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Innovative Circuit
Technology Ltd.
Modular Power System
INSTRUCTION MANUAL
855-340-000
Models:
Modular Power Shelf with Intelligent Controller
12V 50A Power Module ICT700-12PM
24V 25A Power Module ICT700-24PM
48V 12.5A Power Module ICT700-48PM
Battery Management Module
Load Distribution Module
WARNING
Risk of serious personal injury or damage to equipment and property! Always observe the following:
Install and operate unit in a Restricted Access location, such as an enclosed equipment rack
Operate the supply from a grounded 3 wire 120Vac or 230Vac source (50 or
60Hz) with a branch circuit breaker rated 30A or less
Always observe the following for applications requiring a backup battery:
Use only a Lead-Acid battery with rating and capacity appropriate for the model of supply in use
Use an appropriate dc over-current protection device in line with the backup battery connection
Use a disconnect switch or circuit breaker in series with the battery connection, to ensure installation and service is done with the battery deenergised
Use wire and connectors rated for the maximum load current and size of battery fuse or circuit breaker
Ensure battery polarity is correct before connecting
Do not attempt to charge a frozen battery
Handle batteries with care, never short circuit battery terminals
Always install batteries in a well ventilated area
CAUTION
Risk of personal injury or damage to equipment! Always observe the following:
Install in a protected environment, keep sources of moisture away from unit
Ensure the total power consumption of the load does not exceed the continuous rated capacity of the power supply output
Do not block air inlet or outlet openings in the unit
Do not place the power supply directly above or below an exposed battery, due to possible presence of corrosive and/or flammable gasses
Rev 1.0
2016
Copyright © 2016 Innovative Circuit Technology Ltd. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of Innovative Circuit Technology Ltd.
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Contents
Network Status and Advanced Options ............................................................22
Battery Backup (with optional BMM) ..............................................................26
Load Distribution (with optional LDM) ...........................................................30
Troubleshooting Network Communications .....................................................45
STATUS INDICATORS AND ALARMS ............................................................46
Innovative Circuit Technology Ltd. 3
INTRODUCTION
The Modular Power System is a complete flexible redundant power supply with intelligent networked control, advanced battery management, and load distribution options in a 1U high rack mounted chassis. The main rack shelf unit can accommodate an intelligent network controller module (ICM) with front graphic display and up to four parallel connected hot-swappable 12, 24 or 48V power modules with a combined 2,800W or 150A maximum output rating.
Alternatively you may use the two right hand side flex module slots for a built in battery input module (BMM) with LVD contactor, 100A circuit breaker, current monitor, and advanced battery SOC estimation and test capability – and an intelligent four channel Load Distribution Module (LDM) to provide four 20A breaker protected outputs with advanced monitoring and remote on/off control.
For additional power connect a slave shelf with up to another 4 power modules for up to a fully redundant 4,900W N+1 remote controlled power system.
Basic Power Module Ratings:
Module
Output Voltage adjustment range (V)
12V 50A
ICT700-12
24V 25A
ICT700-24
48V 12A
ICT700-48
11.5 – 15.5 23.0 – 31.0 46.0 – 62.0
Default Output Voltage (V)
Output Current Limit adjustment range (A)
Default Current Limit (A)
(+5%, -0%)
13.8
10 – 50
50.0
27.6
5 – 25
25.0
55.2
2.5 – 12.5
12.5
A typical configuration is illustrated below, consisting of a power shelf with an
Intelligent networked Controller Module (ICM), two 700W Power Modules, a
Battery Management Module (BMMD) with two battery input breakers (Battery
1 lower, 2 upper), and a Load Distribution (LDM) module (with output breaker 1 to 4). This single 1U high shelf illustrated provides a remotely controlled 1400W hot-swap power supply with built in battery breakers, LVD contactor, advanced battery management capability, and four channels of intelligent remotely controlled power distribution.
ICM Power Module Power Module
BMM LDM
4
Figure 1: Typical Intelligent Power Shelf Configuration
Innovative Circuit Technology Ltd.
INSTALLATION
Check Unit
Perform a quick physical check of the unit as it is being taken out of the box to ensure it has not been damaged during shipping. Check that the system configuration matches the version ordered, and that the following chassis accessories were shipped with your unit:
Instruction Manual
Removable 3 pin AC input wire clamp connector plug (installed)
Removable 7 pin alarm and temp sensor wire clamp connector
(installed)
Removable 3 pin Form-C alarm relay connector (installed)
Plastic u-shaped cover for output bus bars (installed)
Two rack mounting ears (installed)
Two bolt/washer/nut sets for connections to the output bus bars (in bag)
Module slot plastic snap-in front blanking plate (ICT-BPM, installed in any empty module locations)
Plastic u-shaped connector cover for optional BMM bus bar (if ordered)
Remote battery temperature sensor (ICT-TMP) included when a BMM
Battery Management Module is installed in the shelf
Configure a System
A complete Modular Power System will consist of at least one power shelf with the Intelligent Control Module (ICM) installed, one to four matching 700W power modules, with up to two module slots used for an optional Battery
Management Module (BMM), and/or a four channel Load Distribution Module
(LDM). A second slave shelf without an ICM (ICT-SPS) may also be used to add up to an additional four modules to a system, two of which may be a BMM and/or a LDM. The ICM, BMM, and LDM are factory installed options, but the power modules are field installable and can be used in any of the remaining slot locations in a power shelf.
Standard Power Shelf Versions:
Description
Intelligent Power Shelf with Control
Module, up to 150A output max
Model No. (-48V) Model No. (+12, 24,
48V)
ICT-IPS ICT-IPS
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Description Model No. (-48V) Model No. (+12, 24,
ICT-IPS-BMM
48V)
ICT-IPS-BMMP
1
Intelligent Power Shelf with Control
Module and a Single 100A input
Battery Module (specify + or – bat
V)
Intelligent Power Shelf with Control
Module and a Single 100A input
Battery Module, and Load
Distribution Module (up to 4 x 20A at -48V, or 4 x 20A at +12/24V)
Intelligent Power Shelf with Control
Module and Load Distribution
Module (up to 4 x 20A at -48V, or 4 x 20A at +12/24V)
Intelligent Power Shelf with Control
Module, and a Dual 100A input
Battery Module (Dual matching battery strings combined through single LVD and current monitor)
Intelligent Power Shelf with Control
Module, and a Single 100A input,
100A load output Battery Module
(specify + or – bat V)
Basic slave Power Shelf, no Control
Module
ICT-IPS-BMM-LDM ICT-IPS-BMMP-LDMP
1
ICT-IPS-LDM
ICT-IPS-BMMD
ICT-IPS-BMML
ICT-SPS
ICT-IPS-LDMP
1
ICT-IPS-BMMDP
1
ICT-IPS-BMMLP
1
ICT-SPS
Contact ICT for other possible Power Shelf configurations
Power Module Versions:
Description
12V 700W Power Module (13.8V, 50A)
24V 700W Power Module (27.6V, 25A)
48V 700W Power Module (55.2V, 12.5A)
Accessories:
Model No.
ICT700-12PM
ICT700-24PM
ICT700-48PM
Description
5A Circuit Breaker for LDM
15A Circuit Breaker for LDM
25A Circuit Breaker for LDM
Blanking Plate for unused power shelf positions (snap-in)
Model No.
ICT-CB5
ICT-CB15
ICT-CB25
ICT-BPM
1
Suffix “P” denotes shelf configured for Positive battery voltage. Blank denotes Negative battery
Voltage ( i.e. for use with a -48V system)
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Description
Blanking Plate for unused LDM breaker locations (snap-in)
Remote Battery Temperature Sensor (1pc included with Power Shelf/BMM)
Slave Power Shelf parallel output bus bar jumper strap (for two Power Shelves)
Slave Power Shelf parallel RJ-11 control cable jumper (4”)
Model No.
ICT-BLP
ICT-TMP
ICT-PAR
ICT-JMP
Set Up the Power Shelf:
Ensure you have received the correct Power Shelf, with the Battery (BMM)
Module and/or the Load Distribution (LDM) module factory configured for
Positive or Negative battery voltage. (See shelf model numbers, above)
Install the Distribution Module (LDM) breakers if not already installed, in the four front slots of the optional LDM by snapping into the four breaker openings, (“On” or “I” facing up, “Off” or “0” down) ensuring the breaker connector tabs securely seat in the LDM breaker sockets.
(contact ICT Ltd. for instructions on how to remove a circuit breaker from the LDM when installed in a Power Shelf)
Snap in a breaker blanking plate (ICT-BLP) in any unused breaker locations on the LDM
Install one to four matching power modules with the same voltage rating in any remaining open shelf positions. The modules will share the total output load, automatically disconnecting from the internal power bus in the event of an internal failure, and may be “hot-swapped” (you can insert or remove a module while the shelf is powered). Ensure the combined power rating of all the installed power modules exceeds the total requirement of the planned load by at least 700W for true “N+1” redundant operation. (N+1 operation requires excess power module capacity to ensure that the load can be fully powered, even if one power module should fail or be removed)
Carefully align each module with the internal shelf guides and firmly push into the shelf back plane until the module latch clicks into place, and the module is flush with the shelf front panel. Note that Power
Modules can be easily removed by pressing the black release latch located under the module handle to the right while firmly pulling the module from the Power Shelf. (the shelf may be powered while swapping modules)
Snap in a shelf blanking plate (ICT-BPM) into any unused shelf positons to prevent accidental access to the internal circuitry of the shelf.
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Module Latch
Figure 2: Installing Power Module in a Power Shelf
(Module numbering is 1 to 4, L to R)
Install Unit
WARNING
Risk of serious personal injury or damage to equipment and property! Always observe the following!
When using a backup battery ensure the nominal battery voltage is correct for the model of Power Modules installed, and that the battery positive is connected to the positive (+) terminal and the battery negative is connected to the (-) terminal.
Note that the BAT terminal on the BMM may be internally tied to the (+) or (-) shelf output through the LVD contactor, depending on the polarity of the Power Shelf used
Use an appropriate dc over-current protection device such as a fuse or circuit breaker in line with and near to the battery connection
Do not tie either Power Shelf main output to the BAT terminal on the BMM, as this may short circuit the battery or will bypass the internal LVD circuitry in the BMM
Make any earth Ground connection to only a single LOAD or BAT terminal if required. Do not ground both the load and battery as this may bypass the internal LVD circuitry
AC input wiring to the Modular Power Series unit must be protected using an outlet with a branch rated circuit breaker of 30A or lower value
Check that the default system output voltage and current limit match the requirements of the battery and the loads to be connected.
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BMMD
with dual 100A
BAT inputs,
150A total
LDM
with
4 x 20A
Load output
Main Shelf
DC Output
Main Shelf
AC Input
Alarm
Output
Remote
Inputs
Network
Input
Figure 3: Typical Rear View (Showing optional BMM, LDM Connectors)
Mount the unit in an enclosed standard 19 inch equipment rack or other restricted access location, using rack mounting screws (not supplied). Support the rear of the unit with rack shelf supports or back rail if required. Remove the plastic connector covers by removing the 2 mounting screws and set aside
Make connections to the load using wire and connectors appropriately rated for the maximum output current capability of the unit. The load may be powered three different ways:
Load Connection Point
Directly from main Shelf DC Output
Bus Bars
Features
Full current rating of the shelf is available to operate the load, limited only by the maximum output capability of the combined Power
Modules
Channel over current protection with One of four LDM Intelligent Output
Channel Connector Ports (optional
“LDM” installed)
High Current BMM Load Output Bus
Bar (optional “BMML” installed)
LDM front circuit breaker (1 to 4), individual remote channel on/off control and current monitoring
Output Over current protection with
BMM front 100A load breaker
(breaker 2), load current monitoring
The
LDM
outputs have
Output
and
Return
connection provided for each channel. Verify supply polarity before connecting loads
The
BMM Load
Output provides the switched
Hot
lead connection only.
Connect the load
Return
to either the
Pos
or
Neg
Shelf Output Bus bar, depending on the Shelf Polarity
Connect a ground bonding wire from the chassis rear ground stud to the rack
See the following Modular Power System Block Diagram for internal details on connection options. Note that a
POS BATTERY
Voltage (typically +12V or +24V) system Shelf is shown. A
NEG BATTERY
Voltage (-48V) system Power Shelf will have the optional BMM and LDM internal back plane power connection made to the
DC-
bus.
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Figure 4: Battery Backed Power Shelf - Internal Block Diagram (Positive V Output)
Make Sensor and Alarm Connections
Connect the form-C alarm contact monitoring wiring to the ALARM Output connector if needed, as shown in the following table. The master shelf contacts are flagged for all system alarms while the slave shelf contacts indicate slave power module faults only, on dual shelf systems.
Pin Number
1
2
NC
NO
Name Function
Alarm NC (alarm state)
Alarm NO (alarm state)
3 Common Alarm output common
Alarm Output Connector: (use 22-26AWG wire)
Connect the external Battery Temperature Sensor (ICT-TMP, included with a
BMM equipped shelf) to the REMOTE input plug on the back panel (see
Remote input table, below), to compensate the shelf output voltage according to the battery temperature. Mount the sensor to the mid-level side of the middle battery in a set using the adhesive backed clip, as shown below. The rate of voltage compensation (with optional BMM installed) can be adjusted via the ICM front panel interface, or the WEB GUI in the BMM
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Settings section. The default compensation is 0mV/C per cell (no compensation), so this must be set according to the manufacturer’s recommendation for your battery to enable charge voltage temperature compensation. Battery temperature is assumed to be 25°C if no sensor is installed.
Figure 5: Battery Temperature Sensor Installation
Install wiring to monitor up to four external voltage free alarm contacts, typically for external sensors such as a door or window switch, smoke detector output, or water detector etc. The contact normally open (default) or contact normally closed alarm logic can be set via the WEB GUI, Alarm
Settings section.
Pin Number
1
2
3
4
5
6
7
Name
Alarm 1
Bat Temp
Bat Temp
Function
Remote alarm 1 input
Alarm 2
Alarm 3
Remote alarm 2 input
Remote alarm 3 input
Alarm 4 Remote alarm 4 input
Alarm Return Common remote alarm return point
Remote Battery Temperature sensor
Battery temp sensor return
Remote Input Connector: (use 22-26AWG wire)
Make Battery Connections to Optional BMM
The optional Battery Management Module (BMM) provides a convenient and safe way to connect an external back-up battery to the modular power system.
A high current Hydraulic-Magnetic circuit breaker (100A standard) provides over current protection, while an internal LVD contactor will disconnect the battery should it discharge below a safe level. Internal battery current monitoring provides a full suite of remote battery charge monitoring features.
WARNING
Risk of serious personal injury or damage to equipment and property! Always observe the following!
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When connecting a battery ensure the nominal battery voltage is correct for the model of Power Modules installed, and that the battery positive is connected to the positive (+) terminal and the battery negative is connected to the (-) terminal. Note that the BAT terminal on the BMM may be internally tied to the (+) or (-) shelf output through the LVD contactor, depending on the polarity of the Power Shelf used.
Check shelf model polarity before connecting a battery to the BMM!
Use the Equalize Charge setting for flooded lead-acid batteries in a well ventilated location only.
Do not use Equalize Charge on sealed batteries!
Do not tie either of the Power Shelf main outputs to the BAT terminal on the BMM, as this may short circuit the battery or will bypass the internal
LVD circuitry in the BMM
Make any earth Ground connection to only a single LOAD or BAT terminal if required. Do not ground both the load and battery as this may bypass the internal LVD circuitry
Use wire and connectors appropriately rated for the highest possible system current when making connections to the battery, BMM, and power shelf
Note:
Check that the default system output voltage and current limit match the requirements of the battery and the loads to be connected. Adjust the system output Voltage and Current Limit (see System Settings section) to match the combined battery and system load requirements before making final connections, if required. Use only identically rated battery strings for the dual battery BMMD option to ensure equal charging of each battery set.
Verify the polarity of BMM installed in your Power Shelf by noting the label under the rear BMM BAT bus bar input. (“
BAT +
” indicates a positive battery voltage system with the LVD contactor and battery breaker connecting this terminal to the shelf
“+” output
, “
BAT –
“ indicates a negative battery voltage system, with the LVD contactor and battery breaker connecting this terminal to the shelf
“–“ output
)
Use wire and connectors appropriately rated for the highest possible system current when making connections to the battery, BMM, and power shelf. Ensure dual battery string systems are wired with matching gauge and length of cables for each string. Check that you are installing the correct BMM configuration for your application per the following table:
BMM Variations:
-V BAT +V BAT Description
BMM BMMP Single 100A battery circuit breaker with LVD contactor with advanced battery management capability
Connections
Single BAT input bus bar (+ or – polarity, see note above)
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BMMD
BMML
BMMDP Dual 100A battery breakers to connect two identical battery strings through an LVD and current sensor with advanced battery management capability for the combined battery
BMMLP Single 100A battery breaker with LVD contactor with advanced battery management capability, and a 100A
Load output breaker for high current dc output connections
BAT 1 and BAT 2 input bus bars (both either + or – polarity, see note above)
Single BAT input, and load output bus bars (both either + or – polarity, see note above)
Make Load Connections to Optional LDM
The Load Distribution Module (LDM) provides four remotely controlled and monitored outputs, with front panel over current protection provided by hydraulic-magnetic circuit breakers.
System Voltage
12, 24, or 48V
LDM Output Capacity
4 x 20A continuous output (25A pk)
Locate the four controlled outputs on the LDM back panel connector block.
Note that the internal channel relay, current sensor and circuit breaker are in the Hot or output line, with Voltage polarity depending on the configuration of the Power Shelf. (Each output = NEG V, for -48V Power Shelf systems, each output = POS V, for +12, +24, or +48V configured systems)
Verify the polarity of your Modular Power System, and then connect up to four external loads using appropriately rated wire inserted and torqued in the four
Cage-clamp output connector pairs on the LDM module back panel.
Finalize all Shelf Wiring
Make a Network Connection:
Connect a 10/100Base-T Ethernet cable to the
RJ45 LAN port on the back panel to allow for remote monitoring and control of the Power Shelf.
(See the Network Monitoring and Control section for information on configuring and using the built in Web-GUI, e-mail, or SNMP functions)
Check that all connections
to the power supply are correct and tight; re-install the plastic bus bar cover(s) using the original screws provided.
Connect the AC power source
: De-energise the AC source by switching off its circuit breaker. Create a power cable using 3 conductor cord rated for the maximum input current of the unit (Up to 26A max for a 2800W configuration
Innovative Circuit Technology Ltd. 13
operating from a 120Vac line) by stripping and terminating the three wires in the Line, Neutral, and Ground terminals of the removable AC input connector provided with the unit (AC line or neutral to either outer connection, safety ground to the middle pin).
Plug the AC connector into the AC input on the power shelf back panel, and tighten the captive retaining screws.
Wire the source end of the cord to the de-energised AC supply (120V 30A, or
230V 16A, 50 or 60Hz) equipped with a branch rated circuit breaker of 40A or less.
Parallel Shelf Installation
Use a slave Power Shelf for applications that require up to an additional 2800W of DC power. The ICT-SPS standard (Slave) Shelf has no internal ICM, as it is controlled and monitored by the ICM on the main unit, requiring only an additional AC line input connection, a control jumper cable (ICT-JMP) connection, and the installation of tie bars (ICT-PAR) to parallel the shelf outputs.
Do not attempt to connect shelves in series, they are meant for parallel operation only!
The main and the slave power shelf must be installed as a set in adjacent rack locations to ensure the output power tie bars and control cable jumper will correctly fit.
Parallel Bus
Bars ICT-PAR
Parallel Control
Cable ICT-JMP
Master
Unit
Slave
Unit
Figure 6: Master and Slave Shelf connected in Parallel
CAUTION
Risk of damage to equipment!
Do not use the internal BMM battery LVD contactor for parallel applications where load current can exceed the 150A maximum rating of the LVD contactor
Do not parallel BMM modules. A battery connection may be made to a single BMM module, with maximum battery current not to exceed the rating of the individual BMM unit (150A)
14 Innovative Circuit Technology Ltd.
Install the Shelf Paralleling Bus Bars (ICT-PAR) and plastic bus bar covers as shown in Figure 6, using the hardware included with the Modular Power
System.
Install the Parallel Control Cable (ICT-JMP) connecting the two RJ-11 style SHARE ports as shown in Figure 6 to allow the Master ICM to control the slave shelf.
(Shelf slots 1 to 4 (front, L to R) are on the main shelf, slots 5 to 8 (front, L to R) on the slave shelf)
Connect alarm monitoring wiring to the Form-C contacts on the slave shelf if desired, to remotely monitor for slave shelf module alarm conditions.
Connect a load to the parallel shelf outputs to utilize the combined power of all power modules installed in the two shelves, or connect the loads to the back panel output ports of any installed LDM modules for built in intelligent power distribution.
Connect a separate AC power cord to each shelf, using independent circuits rated for the full power operation of each shelf.
OPERATION (Front Panel)
Switch on the external AC power source circuit breaker, and check that the green POWER LED is lit on each Power Module, and that the ICM front graphic display is lit.
Your ICT Modular Power System will start up and operate at the factory default settings when AC power is connected, generally requiring no other set up or adjustment for basic operation.
Use the front graphic display and four interface buttons on the Intelligent
Control Module (ICM) to monitor the supply operation and to make changes to settings such as output voltage, current limit, and battery Low Voltage disconnect points. (The display will go off after approximately 60 minutes of no use, and can be re-activated by momentarily pressing any of the front control buttons.)
Figure 7: ICM Front Control Interface – System Status Screen
The ICM Interface panel consists of the following elements:
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Default System Display screen (shown):
Displays the Shelf output voltage, the
AC input voltage, and the total output current. (Numerically, and with a graphical indication of relative magnitude of system output current level) The screen will also show any active alarm conditions, and the current reading will flash to indicate when the unit is operating at its current limit.
Up/Down Buttons:
Use to scroll through display screens, and to adjust selected settings
Enter Button:
Press to select a screen for adjustment, or to enter a new value after adjustment
Back
X
Button:
Press to return to the previous higher level menu item, or to exit from a setting without making any change
See the complete menu structure in the following diagram. Navigate through the various screens using the up and down arrows, the back button, and the
Enter button.
Note that output voltage and current limit settings apply to the combined output of all installed power modules. The ICM treats the combined modules as a single high power supply. Adjust the system output Voltage and Current Limit
(see System Settings section) to match the battery type and system load requirements if required.
LEVEL 1:
(STATUS)
SYSTEM STATUS
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT CURRENT
ADVANCED OPTIONS
Enter
\/
120V
13.8V
20.0A
\/ Scroll /\
(if installed)
BMM MODULE X
BATT VOLTAGE
BATT CURRENT
BATT SOC
Enter
\/
13.8V
0.0A
100%
\/ Scroll /\
(if installed)
LDM MODULE X
CHANNEL 1 STATUS
CHANNEL 2 STATUS
CHANNEL 3 STATUS
CHANNEL 4 STATUS
Enter
\/
10.0A
5.0A
DISABLED
5.0A
\/ Scroll /\
ALARM INPUTS
ALARM INPUT 1 STATUS TRIGGERED
ALARM INPUT 2 STATUS
ALARM INPUT 3 STATUS
ALARM INPUT 4 STATUS
Enter
READY
READY
READY
\/
\/ Scroll /\
ALARM HISTORY
MODULE #4 ALARM
Battery Breaker Open
Set: 4/20/15 12:33
Clr: 4/21/15 16:05
Enter
\/
\/ Scroll /\
NETWORK STATUS
DEVICE NAME
CONNECTION STATUS
IP ADDRESS
Enter
\/
/\
Back
LEVEL 3:
(SELECT SETTING)
SYSTEM SETTINGS
OUTPUT VOLTAGE
OUTPUT CURRENT
DC OUTPUT ENABLE
Enter
\/
/\
Enter / Back
LEVEL 4:
(ADJUST SETTING)
SET OUTPUT VOLTAGE
/\ 13.8V
\/
13.8V
100A
ON
/\
Back
BMM MODULE X SETTINGS
DISC VOLTAGE 10.5V
RECON VOLTAGE
OVERCURRENT
BAT CAPACITY
BAT RATE
LOW SOC ALARM
TEMP-CO/cell
EQUALISE CHARGE
DISCHARGE TEST
Enter
\/
12.0V
80A
100Ah
10hr
25%
-8mV/C
/\
Enter / Back
SET DISCON VOLTAGE
/\ 10.5V
\/
/\
Back
LDM MODULE X SETTINGS
CHANNEL ENABLE
CHANNEL OVERCURRENT
CHANNEL UNDERCURRENT
Enter
\/
\/
\/ >
/\
Back
>
ALARM HISTORY 1 / 10
MODULE #4 ALARM
Battery Breaker Open
Set: 4/20/15 12:33
Clr: 4/21/15 16:05
/\
Back
ADVANCED OPTIONS
SET LCD PASSWORD
CLEAR LCD PASSWORD
SET LOCKOUT TIMER
RESET COMM SETTINGS
Enter
\/
/\
Enter / Back
SET LCD PASSWORD
/\ 0 * * *
\/
SUB-MENUS: BMM EQUALISE CHARGE
VOLTAGE
DURATION
INTERVAL
STATUS
15.0V
30 min
7 days
READY
BMM DISCHARGE TEST
MAX TIME
STOP VOLTAGE
INTERVAL
STATUS
Enter
\/
60 min
10.5V
30 days
READY
/\
Enter / Back
SET EQUALISE VOLTAGE
/\ 15.0V
\/
LDM MODULE X CHANNEL ENABLE
CHANNEL 1
CHANNEL 2
ON
ON
CHANNEL 3
CHANNEL 4
OFF
ON
LDM MODULE X OVERCURRENT
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
ON
ON
OFF
ON
LDM MODULE X UNDERCURRENT
CHANNEL 1
CHANNEL 2
CHANNEL 3
ON
ON
OFF
ON CHANNEL 4
Enter
\/
/\
Enter / Back
SET CHANNEL 1
/\ [] Enabled
\/ [] Disabled
Figure 8: ICM Menu Structure
16 Innovative Circuit Technology Ltd.
System Status
The main system status screen will show the most current operating conditions for the unit, primarily the Input Voltage (Vac), the Output Voltage (Vdc), and the total Output Current (Adc). Other information will be shown depending on the operating state of the unit, as shown below.
A small thermometer symbol to indicate that the remote temperature sensor is installed and may be compensating the output voltage
A bargraph indicating relative output current
Indication that the output has been Disabled (off)
Indication that a battery discharge test is in process
System Settings:
The output voltage and output current limit settings come with factory default values that should be adjusted to match your actual system and battery float voltage requirements, as shown below:
Press Enter to move to the System Settings
Scroll to highlight the parameter to change
System Voltage
Max total Output Current Limit
Output Enable ON/OFF (default = ON)
Advanced Options (Set screen Password,
Clear Password, Set screen Lockout timer, Reset Comm settings to defaults)
Press Enter to select
Scroll to adjust parameter (Output V shown), press Enter to set value. Press Back
X
to return to System Settings Screen
Alarms will be shown as they occur, press Back
X
button to return to the
Status screen, press Enter for
Alarm History info
Once the output voltage and current limit values are configured to suit the connected battery and loads, switch on the optional BMM battery breaker 1, and battery breaker 2 (if installed) to connect the backup battery string(s) to the
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system. Switch on the LDM output breakers 1 to 4 (if installed) to energise any loads connected to the Distribution Module outputs.
Battery Management Module
The optional Battery Management Module (BMM) provides a convenient and safe way to connect an external back-up battery (2 matching battery strings with the BMMD) to the modular power system. A high current Hydraulic-
Magnetic circuit breaker (single 100A standard, two on the BMMD) provides over current protection, while an internal LVD contactor will disconnect the battery should it discharge below a safe level. Internal battery current monitoring provides a full suite of remote battery charge monitoring features.
The BMM Status Screen indicates the Battery Voltage (Vdc), the combined
Battery Current (+ Adc for charging, -Adc for discharging), the approximate battery State of Charge (SOC %), and a bar graph showing relative magnitude of the total battery current. A battery graphic marked with
X
indicates the battery is disconnected, replacing the SOC reading, as shown below.
BMM Status Screen with Battery-
Disconnected icon
The SOC% is estimated by counting the Ah flowing into and out of the battery while knowing the nominal rated capacity of the battery (See
BMM Settings
Screen below to adjust the battery Ah capacity) The system resets the SOC to
100% whenever it detects that the battery is at the rated Float Voltage with minimal charge current for at least 24hr.
BMM Settings:
The module comes with factory default settings loaded that should be configured to match the actual battery used in the system.
Adjust the
LVD
contactor
Disconnect
and
Reconnect Voltage
according to the battery manufacturer’s recommendations.
Set the
Battery Overcurrent
Alarm level (Amps) to trigger an Alarm for excessive discharge current or charge current. (set to 0A to disable this alarm)
Configure the combined
Battery Capacity
(Ahr) so the system can estimate the total battery SOC%. Also set the
Battery Rate
(hrs) used in the battery specification to determine the battery capacity. (Usually will be 20hr or 10hr rate) Note that series connected batteries have the Ahr capacity of a single battery, while connecting batteries in parallel increases the total Ahr capacity.
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Set the
Low SOC Alarm
(%) if desired, to raise an alarm when the battery is nearly discharged
Ensure the Battery temperature sensor (ICT-TMP) is installed and connected to the battery case (see
Make sensor and Alarm Connections
in the Installation section) for optimal Lead-Acid battery charging and best battery life. Set the
Temperature Compensation/°C
level per battery cell to match the recommendation of the battery manufacturer. (-4mV/°C per cell typical)
Configure the
Battery Equalize Charge
voltage, duration, and automatic repeat interval if desired when using flooded lead-acid type batteries only. The system will step up the output voltage to the Equalize Voltage for the Equalize Duration time whenever the Equalize Status is set to Enable, or automatically each interval time (days) when an Interval is set (default is 0, or off), once the battery is fully charged.
WARNING
Use the Equalize Charge setting for flooded lead-acid batteries in a well ventilated location only.
Do not use Equalize Charge on sealed batteries!
Configure the Battery
Discharge Test
to either manually or automatically check on the battery’s ability to power the system for a set duration. Set Max
Discharge Time, minimum Stop Voltage, and the automatic repeat Interval if desired. Each time the test is run the output voltage from the power modules will be reduced so that the external battery will power the system load until either the Max Discharge Time limit or the Stop Voltage is hit. A
Discharge Test
Complete
notification (on the front display and with an e-mail if messaging is configured via the Network GUI) will indicate a
Test Failure
if the Stop Voltage is hit before the Max Time limit, as the battery was not able to power the load for the desired duration. Set the test
Interval
(days) to have the system initiate a discharge test every interval, once the battery reaches 100% SOC.
You may alternatively manually initiate a Battery Discharge Test of a fully charged battery by changing the discharge test Status parameter to
Enabled
.
Optional BMM versions are available which have the status screens shown below:
Dual Battery String BMMD
Status Screen
Battery 1 Voltage
Battery 2 Voltage
Combined Battery Current
Combined SOC%
Battery with Load BMML
Status Screen
Battery Voltage
Approximate SOC%
Battery Current
Load Current
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Press Enter to move from the Status screen to the BMM Settings screen
Scroll to highlight parameter to change
LVD Disconnect V
LVD Reconnect V
Over Current Alarm level
Battery Capacity (Ahr) rating
Battery discharge rate (hrs) used for capacity spec. (typically either 10 or 20hrs)
Low SOC Alarm (default 25% SOC)
V Temp-co/cell (default = 0, typ = -4mV/°C)
Equalize Charge settings
Discharge Test settings
Press Enter to select parameter to adjust
Scroll to choose parameter in selected submenu. Press Enter to select that item for adjustment
A notification will automatically appear indicating the results of a Discharge Test at completion of the test
Load Distribution Module
The optional Load Distribution Module (LDM) provides a convenient way to include four channels of remotely managed DC power distribution within the
Modular Power System shelf. Front panel mounted hydraulic-magnetic circuit breakers give over current protection for each channel, while independent current monitoring and on-off control allow for complete remote management of the connected loads.
The LDM Status screen shows the output current for each of the four outputs, plus indicates if a breaker is OPEN, and if an output has been switched OFF.
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LDM Settings:
Each output on the LDM may be forced ON or OFF by using the
OUTPUT CONTROL
function.
Set a load current level alarm by adjusting the output overcurrent, or output undercurrent threshold.
LDM Status Screen (OFF = channel set to off, OPEN = channel breaker tripped)
Press Enter to move from the Status screen to the LDM Settings screen
Scroll to choose parameter or sub-menu.
Press Enter to select that item for adjustment
Press Enter to select setting to be changed
Scroll to choose Output to be changed
(On/Off control shown)
Scroll to change setting. Press Enter to set, press Back
X
button to exit without changing
Alarm Inputs
The Alarm Inputs Status screen displays the current status of the four alarm inputs provided on a Power Shelf equipped with the Intelligent Control Module.
Use these inputs to monitor voltage free external contact closures such as door sensors, smoke alarm outputs or a water sensor.
The alarm input Status screen shows the state of these contacts, changing from
OK to ALARM when a contact activates. Configure the logic of the inputs to activate for either normally-open or normally-closed contacts using the Network
GUI interface. The factory default setting assumes normally open contacts.
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Alarm Input Status screen
Press Enter or scroll to see the Alarm
History log
Alarm History
Scroll through the Alarm History screens to see the log of the 20 most recent alarm events. These alarms may have been raised by any module experiencing an alarm, or by one of the four external Alarm Inputs being triggered.
Scroll through the history screens to see the 20 most recent Alarm events. Shows the Module that raised the alarm, date, and time when set, and cleared
Note: The system date and time are normally set by the network. These may be manually set, see Network GUI Operation, Communication Basic Setup section.
22
Network Status and Advanced Options
Scroll to the Network Status Screen to check the network connectivity,
IP address
of the system, and the assigned MAC address. Access the Advanced
Options screen by pressing the Enter button when on the Network Status screen to set or clear a 4 digit
LCD Password
(to lock out the ICM Display adjustments after the LOCKOUT TIMER has expired), set the display
Lockout Timer
duration
(0 to 60minutes), or
Reset Comm Settings
(sets GUI password, Communication settings, and IP address to the factory defaults).
Note: You will be prompted to enter the LCD PASSWORD once it is activated, when attempting to change any of the power system settings.
Network Status Screen
Press Enter to move to the Advanced
Options screen
Scroll to setting to be changed
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Scroll to adjust setting (Display Password setting shown) Press Enter to save each setting, or Back
X
to exit with no change
Password Reset (Front panel)
Always record the display password when set, as it must be entered to change any supply settings. To clear the display password in cases where it is lost, switch off the AC power to the unit, then simultaneously press the ENTER and
BACK
X
buttons while restoring the AC power. A new password will then have to be re-entered as shown above if password protection is required.
Reset the network GUI password back to the factory default (user: admin, no pw) by selecting
RESET COMM SETTINGS
in the Network Status front panel display menu shown above.
OPERATION (No ICM)
Power modules installed in a basic shelf without an Intelligent Control Module
(ICM) will behave as a fixed output power supply, with the output voltage and current limit set to the factory default levels. Modules may still be hot-swapped with identical replacement units, and the output load will share across all active power modules.
Check that each module’s green “POWER” LED is lit, indicating normal operation. A lit red “FAULT” LED indicates a faulted module. Momentarily withdraw the faulted module then re-insert once the LED is off to check if the fault can be re-set. If the fault persists while other modules are operating normally the faulted module must be replaced.
Alarm indications can be monitored remotely using the Form-C alarm relay contacts accessible via the back panel ALARM connector. (See the installation section for connection information)
OPERATION (Network GUI)
Connect to your Intelligent Power System via the Ethernet for full access to all system settings, status, and alarm conditions. Units with the ICM installed are equipped with a built in Web server that can be accessed via any standard web browser on a network connected computer or phone. No additional software is required on your device.
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Log In to the Unit
1) Connect to the Modular Power System by entering the IP address of the unit in the location/address field of your browser as shown:
The default IP address of the unit is
192.168.0.184
, but any MPS connected to a network with a DHCP server will be assigned a different IP address automatically. To find the assigned address use the front graphic display interface on the power shelf, and navigate to the NETWORK STATUS screen.
Note the assigned IP address displayed, and use this in your browser address field to access the unit remotely.
You can also find the IP address of any ICT unit on a local network by running the ICT
IP Address Discovery tool
, after installing it on your Windows computer connected to the same network (tool available for download from ICT http://www.ictcorporate.com/resources/tools/ )
2) You will be prompted for a user name and password to log into the Modular
Power System’s built in server. The default user name is
admin,
and no password is required as the factory default.
To log out of the ICT Modular Power System GUI close your browser session.
System
Once successfully logged in the
System
page will be shown in your browser:
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The
STATUS
tab proves a snap-shot of the operating status of the unit, showing the output voltage and current, the AC input voltage, the optional Battery
Management Module parameters, the state and loading on the four optional
Load Distribution module outputs, and the Alarm states of the internal alarm relay, and the four remote alarm inputs.
Click on the
SETTINGS & CONTROL
tab, to access the following functions:
Use the
ON/OFF
buttons to remotely disable the system output by shutting off all power modules
Use the
Auto Re-start
button to momentarily shut off the main output, and then restart automatically after a time delay (set in the
Auto-
Restart Delay
field). This feature can be used to remotely force connected equipment to re-boot.
Set the system
Output Voltage
(to match the float voltage requirement for your external battery)
Set the system output
Current Limit
, to limit the total current that can be drawn by all the external loads
Power Modules
Use this page to see the current status of all installed power modules in the system. Use the
System
page
SETTINGS & CONTROL
tab to make any changes to the output voltage and current limit of the combined modules. The combined maximum output capacity of all active power modules is shown here.
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Battery Backup (with optional BMM)
Select the
Battery Backup
page (
STATUS
tab) on units with the optional Battery
Management Module installed to observe the status of the external battery
(which may consist of 2 battery strings with the dual breaker BMMD versions).
You may check battery string voltage, combined current (+ is charging, - is discharging), temperature (if ICT-TMP probe installed), Net Ah count
(approximate Ah discharged from the battery, where 0Ah denotes full charge), the estimated run time remaining at the current load when in back-up mode, approximate battery state of charge in %, and the LVD threshold voltage settings.
Click on the
SETTINGS & CONTROL
tab to configure all battery related settings.
Click on the
Save Settings
button at the bottom of the page to store your changes.
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Output Voltage Control
Make adjustments to the Battery voltage Temperature Coefficient/cell and
Equalize Charge settings to optimize the automatic control of the battery charging voltage, to keep your battery in a good state of health.
Temperature Coefficient/Cell:
Adjust this setting to match the battery manufacturers recommended compensation value in –mV/°C per cell. This value will typically be -4mV/°C for a flooded lead-acid battery (i.e. will compensate output voltage -24mV/°C for a 6 cell 12V battery) to help ensure the battery is fully charged in cold locations, and is not overcharged when warm. Note that the system must have the battery temperature sensor (ICT-TMP) installed on the battery for this setting to have an effect.
(default setting is 0mV, assumes 25°C operation)
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Equalize Voltage:
Adjust this setting to the battery manufacturer’s recommended value for an Equalize (or Boost) charge (for flooded lead-acid batteries only). A regular high voltage Equalize charge will help prevent stratification of the electrolyte in your battery, and can help extend its life.
WARNING
Risk of serious personal injury or damage to equipment and property! Always observe the following:
Equalize charging is intended for Flooded Lead-Acid batteries only, and may produce higher than normal levels of hydrogen gas.
Ensure the battery compartment is well ventilated to avoid any risk of explosion!
Equalize Duration:
Set the duration time (20-240 minutes) for the equalize charge voltage to be applied (as recommended for your battery).
Equalize Interval:
Set the Equalize Charge Interval (0 – 180 days) so the system will perform an automatic Equalize charge once every interval time has elapsed. Set this time to 0 (default) to disable the automatic equalize charge.
Note that an Equalize Charge can only be initiated when the battery is fully charged. Press the Manual Equalize Charge button to manually initiate an equalize charge for the set Duration time once the battery is fully charged.
(System will state that Manual Equalize Charge is Not Ready, if battery is not yet fully charged)
The days since the last equalize charge and the duration of that charge is noted here, along with the days remaining until the next automatic equalize charge. This information is to help track where the system is within the automatic charge cycle.
Configure Battery
Set the rated
Battery Capacity
in Ah (50 to 1000Ah) of the total battery pack connected to the power system, and the discharge
RATE
(in hr) used by the battery manufacturer to determine the battery capacity. Normally the 10 or
20hr rate is used. The system will use this information to help determine the battery state of charge, and remaining battery capacity when in use. Note that connecting two batteries in parallel will double the total Ah capacity, while connecting batteries in series will increase the voltage with no change to the Ah capacity.
LVD Settings
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Set the battery Low Voltage
Disconnect Voltage
threshold to a level that will protect the battery from excessive discharge. (default is 10.5/21/42V) The LVD contactor will open when the battery discharges to this level for at least 30s.
Set the
Reconnect Voltage
to a level at least 1.5V more than the disconnect voltage to prevent the LVD contactor repeatedly cycling on and off. This setting will be used when charging the battery from an external dc source (such as a solar system), otherwise once AC power returns the LVD contactor will automatically close so that the power modules can charge the battery directly.
Battery Over-Current Alarm
Set the shelf output
Over-Current Threshold
to receive an alarm notification when the output current exceeds a set over-current level. Set the threshold to
0A to disable this alarm. (default setting)
Battery Low SOC Alarm
Set the
SOC Threshold
to receive an alarm notification when the battery state of charge falls below the set level. Set the threshold to 0A to disable this alarm.
(default setting)
Alarm Reporting
Configure how you would like to be notified of the BMM alarms. Select the
Activate Form-C Contact
check box (default) to have the back panel alarm contacts change state for an alarm condition, and/or select the
Send E-mail
check box to have an alarm e-mail sent to the e-mail addresses set up on the communications page.
Battery Discharge Test
Configure the Battery Discharge Test settings in this section, so that you may either manually or automatically perform a partial discharge test to gauge the relative capacity of the external battery. You should generally limit the depth of discharge to no more than 50% of the nominal battery capacity to avoid stressing the battery due to a deep discharge.
NOTE:
This test must only be done when AC power will be present during the test and for adequate time after the test to allow for a full re-charging of the battery.
Otherwise the battery may not have sufficient remaining capacity to power the load during an AC power outage.
Set
Max Discharge Time
, minimum
Discharge Voltage Limit
, and the automatic
Discharge Test Interval
if desired. Each time the test is run the output voltage from the power modules will be reduced so that the external battery will power the system load until either the
Max Discharge Time
limit or the
Discharge
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Voltage Limit
is hit. A
Discharge Test Complete
notification (on the front display and with an e-mail if messaging is configured via the Network GUI) indicates the battery is able to power the connected load for the set test duration while maintaining its voltage above the Discharge Voltage Limit. The system will indicate a
Discharge Test Failure
if the minimum Voltage Limit is hit before the
Max Discharge Time limit, as the battery was not able to power the load for the desired duration.
Set the
Discharge Test Interval
(days) to have the system automatically initiate a discharge test every interval, once the battery reaches 100% SOC. Set this interval to 0 days to disable the automatic Discharge Test. (default setting)
You may alternatively manually initiate a Battery Discharge Test of a fully charged battery by changing the
Manual Discharge Test
parameter to
Enabled
.
(This test parameter will show that the discharge test is
Not Ready
if the battery
SOC is less than 100%)
Observe the saved information regarding the most recent discharge test shown here, with fields for days since the
Last Battery Discharge Test
,
Status
(Pass or
Fail),
Discharge Time
,
End Voltage
at the completion of the test, and the
Amp
Hours Discharged
during the test. The scheduled days until the next automatically repeating test will also be shown if this feature has been enabled.
Load Distribution (with optional LDM)
Select the
Load Distribution
page (
STATUS
tab) on units with an optional Load
Distribution Module installed to observe the status and load current of the four controlled outputs on the LDM module.
Click on the
SETTINGS & CONTROL
tab to configure the settings for each output channel.
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Module Output Control:
Click on the
Output #1
to
#4 On or Off
button to close or open the relay on that output channel. Click on the Master Output Control
All Outputs On
, or
All
Outputs Off
button to open or close the relays on all four output channels simultaneously. (All outputs are enabled as the factory default setting)
Module Setup:
Use this section to set the
Power Cycle Delay
time, which will be used as the delay time (in seconds) before energising an output, for each output that has power cycling enabled. (See Output Configuration below)
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Select the Alarm actions to be taken for the LDM
Alarm Reporting
- chose to activate the back panel Form-C alarm contact output and/or send an alarm email to the address’ chosen on the e-mail setup page by ticking the appropriate boxes.
Module Output Configuration:
Select the output to be edited in the
Select an Output to Edit
box. Make any required changes, and then click on the
Save Settings
button at the bottom of the page to save any edits.
Output Settings
Output Label
: Enter a descriptive label for the selected output channel if desired.
Output State After Panel Reset
: Sets the state for the output after an input power failure, or soft reset of the unit. Select one of the following:
Restore last State
: Will return the output contactor to the state prior to the reset event (default)
Enable Output
: Will enable the output contactor, regardless of its previous state
Disable Output
: Will disable the output contactor, regardless of its previous state
Ignore Circuit Breaker Status:
Will mask the circuit breaker open circuit detection, to prevent false alarms on an unused channel.
Enable Power Cycling:
Check this box to enable output power cycling for the selected output, so that the output will automatically be re-enabled after the
Power Cycle Delay
time whenever the output is disabled using the
Output Off
button on the
Settings and Control
page, or when the
Network
Watchdog
is triggered. This feature is useful for remotely resetting power to a router or other hardware required for the network connectivity of the panel.
Note:
The
Power Cycle Delay
time must be set with duration long enough for the connected network hardware to fully reset for this function to be effective. Multiple outputs that are disabled using Power Cycling will be reenabled in sequence from Output 1 to output 4.
Output Load Shedding
Enable Load Shedding
: Check this box to disable this output when the bus voltage drops below the load-shedding threshold for at least 30s. This feature can be used to disconnect less critical loads to preserve back-up battery power as the battery voltage drops when the AC power has failed.
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Load-Shedding Threshold
: Enter the voltage level at which the selected output will be disconnected.
Auto Recovery Threshold
: Enter the voltage level at which the selected output will automatically be reconnected. This value must be at least 0.5V above the
Load-Shedding Threshold
voltage.
Load-Shedding Auto Recovery
: Check this box to allow the output to be automatically reconnected when the bus voltage is above the
Auto
Recovery Threshold
for at least 60s. The output must be manually reenabled using the
Output ON
button if the
Auto Recovery
function is not enabled.
Output Over(Under)-Current Alarm
Over-Current Threshold
: Enter the over-current level. Output current above this level for at least 5s will trigger the Over-Current Alarm. Disable this alarm by setting the threshold to 0A (default).
Under-Current Threshold
: Enter the under-current level. Output current below this level for at least 5s will trigger the Under-Current Alarm. Disable this alarm by setting the threshold to 0A (default).
Click the Save Settings button to save the configuration for that channel, and then repeat the setup process for each of the 4 output channels to be used.
Alarms
Click on the
Alarms
page to check the status and alarm history on the
STATUS
tab.
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Click on the
SETTINGS & CONTROL
tab to set up the four remote alarm monitoring inputs. Give each input a meaningful name to suit the installation
(these will be used for e-mailed alarm messages), and select a
Contact Type
of either Normally Open (NO) or Normally Closed (NC) for each device to be monitored. Set alarm
Contact Type
to Not Used for all unused alarm input channels.
Select the action to be taken in the event of an alarm condition for each input, either activate the local Form-C contact alarm output relay on the MPS shelf, or send an alarm e-mail to the addresses set up in the Communications section.
Communications
Select the
Communications
page tab to configure the Basic system parameters,
Network settings, E-mail settings, User setup, and Maintenance functions. Click the Save Settings button at the bottom of each page to enable any changes you have made.
Select the
BASIC SETUP
tab to configure the device name, set the date and time and enable the watchdog timer and data logging features.
Power System Device Info:
Enter a
Device Name
for the system (used in all email messages), and view the
Model and hardware version.
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Date and Time Settings:
Check the system internal clock settings here, and select the tick box to
Synchronize with NTP Server
(default), then Enter an
NTP Server
address to automatically load network time. You may choose to
Set Time Manually
by selecting the tick box, and then enter the correct
Date
and
Time
.
Network Watchdog:
Enable the Network Watchdog to cycle power to an external device on loss of communications by selecting the
Watchdog Enabled
tick box. Set a
Primary
and
Secondary IP Address
for the unit to ping to determine the network is functioning, and then enter a
Watchdog Timeout
(1-60 minutes) to set how long the system will wait with no ping response from either IP address before initiating a reset. Choose a
Reset Target
(either
LDM Channel Outputs
, or the main
System Output
) which will then be reset for the power cycling delay time to re-boot any connected devices. Selecting “LDM Channel Outputs” as the
Reset Target, will cause all Load Distribution Module channels with the "Enable
Power Cycling" option selected to be cycled when the Network Watchdog times out. When selecting to reset the main “System Output”, set the Auto Restart
Delay time on the System page to define how long the system will be off when the Watchdog timeout is triggered.
Data Logging:
Enable
Data Logging
to keep a running record of the all the key system parameters and alarms, recorded once per minute for up to the last 30 days.
Click on the
Download Log (CSV)
button to store the CSV format log file on your computer for further analysis. Click the
Clear Log Now
tick box to clear the system onboard data log and start a fresh log record.
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Configure network settings on the
NETWORK SETUP
page.
NOTE
:
Saving any changes to the network settings will cause the ICM to re-start, causing momentary loss of communications
Network:
MAC Address:
Displays the MAC address assigned to the panel. It is also shown on line four of the LCD Network Status screen.
Enable DHCP
: Turn on this setting if your network uses a DHCP server to automatically assign IP addresses. (Enabled as default setting). To manually assign a static IP address to the unit uncheck this box, then set the following parameters.
IP Address
: Specify a unique IP address for the unit.
Subnet Mask:
Specify the mask for the subnet the panel is located on
Gateway:
Specify the IP address of the default router (Gateway) used for connecting attached devices to different networks.
Primary DNS
: Specify the IP address of the Primary DNS Server for your network.
Secondary DNS
: Specify the IP address of the Secondary DNS Server for your network.
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Web Server:
CAUTION
:
Changing the web server port numbers may cause loss of communication with the panel
The following ports may be changed within a range of 1 to 65565, if required.
HTTP Port
: This port is used for HTTP traffic between the panel and your browser. The default HTTP port is
80
, and if you change this the new HTTP
Port number must be appended to the URL used to access the panel. (e.g. use URL
http://192.168.0.180:8000
for IP address
192.168.0.180
, port
8000)
HTTPS Port
: The HTTPS (HTTP Secure) protocol uses encrypted data transfer between web browsers and servers for higher security. The default HTTPS port is
443
. Append any changed HTTPS port to the end of the URL for the panel.
To access the panel through a secure HTTPS connection, use
https://
at the start of the units URL. (e.g.
https://192.168.0.180:8888
for IP address
192.168.0.180
, HTTPS port
8888
)
UDP Port
: This port is used when applying firmware upgrades to the panel.
The default UDP port is
9393
.
SNMP:
Configure these settings if you would like to use SNMP based monitoring. SNMP
(Simple Network Management Protocol) is an industry standard protocol for network management software. Enabling the SNMP function on the panel will allow standard SNMP management software to connect to the SNMP agent running on the panel and read real time system information such as bus voltage, and channel currents. The panel can send SNMP traps to the external management software when an alarm or fault occurs.
The information available from the SNMP agent is described in a MIB
(Management Information Base) file, which can be downloaded from the link at the bottom of the SNMP box on this GUI page, or on the panels
Help
page. The unique panel MIB file must then be imported into your external SNMP management software.
Enable SNMP
: Check this box to enable the SNMP agent
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Read Community
: Enter the community string/password for read-only
SNMP access. The default read community string is “public”.
Trap Community
: Assign the community string/password that will be sent with all traps. Some trap receivers are able to filter based on Trap
Community
Trap IP Addresses
: Assign the IP address for up to two devices that will receive SNMP traps from the panel.
Enable SNMP Write Access:
Check this box to allow remote SNMP control of individual panel power outputs. If this box is unchecked information from the panel will be read-only.
Write Community
: Enter the community string/password for read-write
SNMP access. The default write community is “write”.
NOTE:
The community strings should be changed to unique passwords before enabling SNMP, as the defaults are well known.
SNMP Contact Information
: Assign contact information, such as an operator name and phone number for the panel, which can be read via
SNMP queries. This information is optional.
Select the
E-MAIL SETUP
page to configure all e-mail settings to enable automatic e-mail notifications directly from the unit. The information required for this is available from your Network Administrator, or Internet Service
Provider. (ISP)
38 Innovative Circuit Technology Ltd.
E-mail:
SMTP Server
: Enter the name or the IP address of your SMTP server used for sending outgoing e-mail. (e.g. “smtp.gmail.com”)
SMTP Port
: Enter the port used by your SMTP server. (Normally 25)
SMTP Server requires SSL
: Check this box if your SMTP server requires an encrypted SSL connection.
Sender E-mail Address
: Enter an e-mail address that will appear as the sender for all e-mail notifications sent from the panel.
Recipient E-mail Addresses
: Enter one or more e-mail addresses that are to receive all e-mail notifications from the panel. Use commas to separate multiple addresses. This field can also be used to send a text message notification to a phone; see the
Text Message Notifications
section for further information.
SMTP User Name
: Enter a SMTP user name here, if required by your SMTP server. Leave this field blank if the server does not require authentication.
SMTP Password
: Enter a SMTP password here, if required by your SMTP server. Leave this field blank if the server does not require authentication.
Minimum E-mail Interval
: Specify a minimum interval required between email notifications. (Default 1 minute, range 0 to 60 minutes) This time interval is used to prevent an un-intended flood of e-mail alarm notifications that could occur when an alarm limit is incorrectly configured, for example.
General E-mail Notifications
:
Select these options to receive an e-mail when one or more of these events occurs:
AC Input Power is lost
: Check this box to receive an e-mail notification when the ac input drops below a functional level.
Power Module Failure occurs
: Check this box to receive an e-mail notification when any of the installed power modules stop functioning.
System Current Limit is triggered:
Check this box to get a notification each time the system output current hits the maximum current limit value
Intelligent Controller Module reset:
Check this box for notification of an
ICM reset for any reason.
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The Network Watchdog triggers
: Check this box to receive an e-mail notification after the Network Watchdog triggers due to a loss of the network connection and the network has then come back online.
Select the
USER SETUP
tab to set up and configure the password for up to 10 users, with the ability to limit who has access to the panel settings. Click on the
Save Settings
button at the bottom of the page to save any password changes.
The unit has no password assigned by default, so an Administrator password should be assigned to your panel for improved security.
NOTE:
Record your new password(s) for future access! If the Administrator password is lost the unit must be reset to return the password to the blank default setting, causing loss of all other user settings. See the
Password Reset
section for more details.
Select a User to Edit
: Choose which of the user accounts to edit. Set the access level to be appropriate for the amount of control each user requires.
Administrator:
This level has full access to the panel settings, and can set up users and change passwords (“admin” is the default user)
Control:
User has read-only access to the panel, but can enable or disable the outputs, and change some of the basic settings.
View-Only:
User can only view status, cannot change any settings
New Password:
Use these fields to change the password of the selected user.
New Password
: Enter the new password for the chosen user.
Confirm New Password
: Re-enter the new password to confirm the entry.
40 Innovative Circuit Technology Ltd.
Confirm Changes
: Enter the current
Administrator Password
to confirm the new password changes, prior to saving the settings.
Use the
MAINTENANCE
tab to reset the panel (soft reset), restore the panel default settings, or send a test e-mail to verify e-mail functionality.
Reset Intelligent Controller Module
: Clicking the
Reset
button will restart the controller. The LDM channel output states will be restored according to the
Output State after Panel Reset
setting for each output on the
Output Setup
page. All other settings are maintained during the reset.
Restore Factory Default Settings
: Clicking the Restore button will restore
ALL
settings to the original factory default values, including the user passwords. To only restore the network settings and passwords see the
Password Reset
section. (This feature is only available to the system Administrator)
Note:
Restoring the unit to Factory Default settings may cause loss of network communications due to loss of custom changes to any network settings
To reset only the IP address and Administrator password to the original default values, select
Reset Comm Settings
in the graphic display menu on the front of the Intelligent Controller Module.
Export and Import Settings:
The
Manage Settings
button will take you to the
Export and Import Settings page, where you may export all the system settings
(other than the Administrator password, Network and Web Server settings) to
Innovative Circuit Technology Ltd. 41
an encrypted
.cfg
file on the local computer. Use the
Import Settings
section on other systems to locate this file and then import it to any other MPS you are logged in to, greatly simplifying the configuration of multiple identical units.
Firmware Update:
Download the latest Modular Power System firmware file from the ICT website (ict-power.com) to your local computer. De-compress this
.cry
file then press the
Update Firmware
button, and link to this file. Update the firmware on the power system control module by clicking the
Update Now
button. Note that the system settings will not be changed. Do not remove AC power during the update process!
Send Test E-mail
: Click the
Send Test E-mail
button to send a test e-mail to the listed e-mail recipients using the e-mail settings on the
E-mail Setup
page.
Ping Diagnostics Tool
: Use this feature to verify connectivity of any network connected device. Enter the hostname or IP address of the target device, and then click the
Ping
button to check if the device is active.
Router Configuration
Use this section to help you set up your Modular Power System with remote
Internet access when it is located behind a router.
A router allows multiple PC’s to share a single Internet connection, and must be configured correctly to forward incoming remote data to the local IP address of your panel.
Example configuration using a Linksys WRT54G router: (others will be similar)
1.
Log into your router and go to the port forwarding screen. In the example Linksys WRT54G router this is located in the Applications and
Gaming tab. The location of the port forwarding fields may be different on your particular router. (consult the router manual for instructions)
2.
Configure HTTP forwarding: a.
Enter a unique name in the
Application
field b.
Enter the HTTP port number that the panel is using in the
Start
and
End
fields. The default HTTP port for the panel is
80
.
42 Innovative Circuit Technology Ltd.
c.
Select
Both
under
Protocol
(TCP and UDP) d.
Enter the local IP address of the panel (e.g. 192.168.0.180) in the
IP address
field. (see step 2 of the
Operation (Network GUI)
section to verify the panel IP address) e.
Check the
Enable
box, and then click on
Save Settings
NOTE:
Many ISP’s block access to port 80, so if your ISP does block this port you must change the HTTP port the panel uses from 80 to something else, such as 8000.
(Valid port numbers are in the range of 1 to 65535) See the
Network Setup
section for information on assigning new network ports.
You must also change the panel’s HTTP port from 80 if your local network has another device (such as a panel, or web server) already using port 80.
3.
Configure HTTPS forwarding by repeating steps 2a to 2e with the HTTPS port number that the panel is using. The default HTTPS port number is
443
.
4.
Set up your router to allow remote firmware upgrades to the panel by repeating steps 2a to 2e with the UDP port number the panel is using.
(default UDP port is
9393
) This step is optional if firmware upgrades are to be done locally.
Router Port Forwarding Screen
Innovative Circuit Technology Ltd. 43
5.
Determine the WAN IP address of your router assigned by the ISP. With the example router this information is on the
Status
tab, listed as
IP
Address
.
NOTE:
When using a dynamic IP address the router’s WAN IP address may change from time to time without warning, depending on your ISP. In this case you should obtain a Static IP address from your ISP (it will not change) which will ensure more predictable access to the panel from a remote location. If a static IP address is not available you can use a Dynamic DNS service such as
Dyn ( www.dyn.com
) to provide a stable address for the router.
6.
To access the panel over the internet type the WAN IP address of the router in the location/address field of your browser, followed by a colon and the HTTP port number the panel is using. (e.g.
http://209.123.10.33:8000
for a router address
209.123.10.33
, port
8000
)
Panel Access with Router Address
Text Message Notifications
The panel can send alarm notifications as text messages to a cell phone by configuring the alarm e-mails to be sent to your mobile phone service provider.
On the
E-mail Setup
page of the web based utility enter the address of your phone in the
Recipient E-mail Address
field.
Example with an AT&T phone: enter the recipient address
cellnumber
@txt.att.net
, replacing
cellnumber
with your 10 digit cell phone number.
Cell address formats for some common North American mobile phone providers:
AT&T
Verizon
Sprint
cellnumber
@txt.att.net
cellnumber
@vtext.com
cellnumber
@messaging.sprintpcs.com
T-Mobile
Virgin Mobile
Nextel
cellnumber
@tmomail.net
cellnumber
@vmobl.com
cellnumber
@messaging.nextel.com
44 Innovative Circuit Technology Ltd.
Bell Mobility
Rogers
Telus
Virgin Mobile (Can)
cellnumber
@txt.bell.ca
cellnumber
@pcs.rogers.com
cellnumber
@msg.telus.com
cellnumber
@vmobile.ca
Troubleshooting Network Communications
I am unable to access the web-based configuration utility:
Check that you are using the correct IP address for the system by downloading and running the
ICT IP Address Discovery tool
http://www.ictcorporate.com/resources/tools/
Check the network cable connections to the panel and the network
Ensure the network card settings on your computer are configured for accessing the IP address of the MPS. To access a panel with the default
IP address of 192.168.0.180 the typical network settings for your computer are: o
IP Address: 192.168.0.180 o
Subnet Mask: 255.255.255.0 o
Gateway: 192.168.0.1
If the HTTP port of the panel has been changed, you must append the new port number to the URL used to access the panel. (See the
Network Setup
section) See the
Password Reset
section for details on how to reset the port number to the factory default value.
If your network switch allows you to manually configure port speed and duplex settings, turn-on “
Auto Negotiation
” for the switch port that the panel is connected to.
I forgot my password:
See the Password Reset section of the manual
I am not receiving e-mails from the panel:
Verify that the
Send-E-mail
checkboxes are ticked for any alarm conditions for which you wish to receive e-mail notifications.
Verify your e-mail settings by going to the
Communications/Maintenance
page on the unit’s web GUI and clicking on the
Send Test E-mail
button, to send a test message to your designated recipient addresses. The
Send Test E-mail
box will show an error message if the system is unable to send the e-mail.
Innovative Circuit Technology Ltd. 45
Check on the
Communications/E-mail Setup
page and ensure the
SMTP Server
field is the correct address for your e-mail provider, and the
SMTP Port
is correct. (Port should be 25 for most servers)
If your SMTP server requires SSL encryption, ensure the
SMTP Server requires SSL
checkbox is ticked. Otherwise leave blank.
If your SMTP server requires authentication ensure that the
SMTP User
Name
and
SMTP Password
fields are correctly entered.
STATUS INDICATORS AND ALARMS
The status of the Modular Power System generally is indicated on the front graphic display module on units equipped with the ICM, or via the network GUI on remotely monitored units. Green “POWER” and red “FAULT” LED’s on the power modules, along with the Form-C alarm contacts on the back panel indicate the core status of power shelf, even on non-ICM equipped units.
On Intelligent ICM equipped systems there is an option on the Setup page in the
GUI for most alarms to make a selection to have the system send an Email to designated addresses for remote notification.
All alarms and warnings will be displayed on the ICM front graphic display on
Intelligent Power Shelf systems, and entered in the Alarm History log. (Most recent 20 alarms listed)
Alarms generally reset automatically when the trigger condition is removed.
Major alarms such as a Module DC Output Failure or Module Configuration Error require that the module be temporarily removed to cycle input power and clear the fault.
Power Module Alarms:
Alarm
Condition
Power
Failure
Module
Operating
Trigger Condition Module
Output
2
Red
LED
Disabled Off Loss of AC power to module
Normal operation On Off
Green
LED
Off
On
Alarm
Relay
Send
3
Active Yes
No -
2
Other power modules are not affected when one module has its output disabled
3
Email notifications only sent if enabled in the unit’s Network GUI Email Setup page, and either ac or dc power is available for the system to be operational
46 Innovative Circuit Technology Ltd.
Alarm
Condition
Configuration
Error
Current Limit
(Warning only)
Fan Failure
Manual
Disable
Module
Removal
PFC
Shutdown
Trigger Condition Module
Output
2
Different voltage modules in shelf
Off
On Output current approaches within
1A of the max current limit setting
Fan is not operating to spec
Output switched off by ICM or GUI
Module shelf connections open
Internal bus voltage out of range
Module Fault Internal aux voltages out of range
Over Temp
Shutdown
DC Output
Failure
Internal temp too high
Output above set point (Manually reenable dc output to reset)
On
Red
LED
On
Off
Off
Disabled Blink
Disabled On
Disabled On
Disabled On
Disabled On
Disabled On
Green
LED
Off
On
On
Off
Off
Off
Off
Off
Off
Battery Management Module (BMM) Alarms:
Alarm
Condition
Module Power
Failure
No Alarms
Battery Low
SOC
Battery
Overcurrent
Circuit Breaker
Open
Battery Over
Temperature
LVD
Configuration
Error
Trigger Condition
Loss of AC, and battery disconnected
Normal Operation
SOC drops below
Low SOC setting
Battery I rises above
OC setting for 5s
Circuit breaker trips or manually opened
Optional TMP probe temp >50C for 5s
Battery V at LVD or
Overvoltage setting
Mixed polarity modules, or installed in slot 1, 2, 5, or 6
LVD
Contactor
Open
Closed
Closed
Closed
Open
Open
Open
Open
ICM
Required
No
No
Yes
Yes
Yes
Yes
No
No
Alarm
Relay
Send
3
Active Yes
No
No
No
No
Alarm
Relay
-
Yes
-
-
Active Yes
Active Yes
Active Yes
Active Yes
Send
3
Yes
No
Active
4
-
Yes
Active
4
Yes
Active
4
Yes
Active
4
Yes
Active Yes
Active Yes
4
Contact active only if alarm enabled in the Network GUI module Setup page
Innovative Circuit Technology Ltd. 47
Load Distribution Module (LDM) Alarms:
Alarm Condition Trigger Condition Output
Relays
Open Module Power
Failure
No Alarms
Circuit Breaker
Open
Output
Undercurrent
Output
Overcurrent
Configuration
Error
Load Shedding
Output
Manually
Disabled
Loss of AC and dc bus connection
Normal Operation, outputs enabled
Circuit breaker opened or tripped
Output current drops below setting for 5s
Output current rises above setting for 5s
Mixed polarity modules, or installed in slot 1, 2, 5, or 6
V drops below Load
Shed setting for 30s
Output manually disabled via ICM or
GUI page
Closed
Closed
Closed
Closed
No change
Open
Open
ICM
Required
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Intelligent Control Module (ICM) Alarms:
Alarm Condition
Alarm Input
Trigger Condition
Contact open or close on any Alarm input 1 to 4
Alarm Relay
Active ( if set up on
Alarm Input page)
AC Input Failure
Shelf Overcurrent
AC input falls below 90Vac Active
Total output current on shelf is >150Adc for 20s
Active
System Current
Limit
Communication
Bus Error
ALL power modules in system at their current or power limit for 15s
Internal communication bus error condition
Active
Active
Alarm
Relay
No
Active
4
Yes
Active
4
Yes
Active
4
Yes
Active
4
Yes
-
Send
3
Yes
Send Email
3
Yes
Yes
Yes
Yes
-
-
Active
4
Yes
-
48 Innovative Circuit Technology Ltd.
PRODUCT SPECIFICATIONS
AC Input :
Input Power Factor:
Efficiency (typical):
Output V Line Regulation:
110 to 254Vac 50/60Hz
0.99 typ (120Vac input)
90%
+/- 0.1%
Model: Power Shelf
12V
Module
24V
Module
48V
Module
Output Voltage
5
(Nominal
Battery float Voltage) (+/-
0.5%)
Max Current Limit
(+5%, -0%)
Continuous Current Rating
Output Power (max)
Output Noise (max mVrms)
Input Current (max at
120Vac)
Set by Power
Modules installed
150Adc
150Adc
2800W
20Arms
(with 2100W shelf output)
BMM Max Battery Current
(per input)
BMM Max total Battery
Current through LVD
BMM LVD Threshold V
(Default)
BMM LVD Reconnect V
(Default setting)
LDM Max Load per Output
(continuous)
Output V Load Regulation:
100A
150A
13.8V
54A
11.5V
12.5V
20A
27.6
27A
+/- 1% (over full load range)
55.2V
13.5A
50A
700W
25A
700W
12.5A
700W
30mVrms 60mVrms 100mVrms
6.6Arms 6.6Arms
23.0V
25V
20A
6.6Arms
46.0V
50V
20A
5
Actual Operating point may be lower due to battery charge requirement
Innovative Circuit Technology Ltd. 49
Output Grounding: Power Modules are floating, may be connected with
Positive or Negative ground
6
Alarm Output: Form-C contact, 0.5A 60Vdc max
DC Connectors: (Output, Battery)
Load Dist Module (LDM) Connectors:
Bus Bar, 5/16” bolt hole
8 terminal cage clamp style,
22-12AWG, 0.51Nm max torque
Alarm Output Connector: 3 pin removable plug, cage clamp type 16 –24 AWG
Alarm input, Bat temp sense Connector: 7 pin removable plug, cage clamp type 16 –24 AWG
Operating Temperature Range:
Storage Temperature Range:
Humidity:
Cooling:
(Operating)
(Storage)
-30C to +60°C
7
-40 to +70°C
10 – 90% (non-condensing)
5 – 95% (non-condensing)
Temperature controlled fan on power modules
Regulatory Compliance: Designed to meet
UL/CSA60950-1, Meets IC
ICES-003, and FCC Part 15
Class B limits for radiated and conducted emissions
Network Communication: RJ45 10/100-T port (IPv4,
HTTP, HTTPS, SMTP, DNS,
TCP, UDP, ICMP, DHCP, ARP,
SNMP, SNTP Protocols)
6
Optional BMM and LDM modules are available in positive (-48V) or negative (+12/24V) ground configuration. Specify at time of ordering
7
De-rate output 2% per °C above 50°C
50 Innovative Circuit Technology Ltd.
Network Security:
Dimensions (inches):
Password protection, SSL encryption for HTTPS and
SMTP (TLS 1.0)
Weight: 18lbs/8.2kg
EMC Note:
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules and ICES 003. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced RF technician for help.
Caution: Changes or modifications to this equipment not expressly approved by ICT Ltd. could void the user's authority to operate the equipment.
Innovative Circuit Technology Ltd. 51
LIMITED WARRANTY
ICT Ltd. warrants to the original consumer purchaser that this product shall be in good working order, free from defects in materials and workmanship, for a period of three (3) years from the date of purchase. Should failure occur during the above stated time period, then ICT will, at its option, repair or replace this product at no additional charge except as set forth below. All parts, whether for repair or replacement, will be furnished on an exchange basis. All exchange pieces become the property of ICT. This limited warranty shall not apply if the ICT product has been damaged by unreasonable use, accident, negligence, disaster, service, or modification by anyone other than the ICT factory.
Limited warranty service is obtained by delivering the product during the above stated three (3) year warranty period to an authorized ICT dealer or ICT factory and providing proof of purchase date. If this product is delivered by mail, you will insure the product or assume risk of loss or damage in transit, and prepay shipping charges to the factory.
Every reasonable effort has been made to ensure that ICT product manuals and promotional materials accurately describe ICT product specifications and capabilities at the time of publication. However, because of ongoing improvements and updating of ICT products, ICT cannot guarantee the accuracy of printed materials after the date of publication and disclaims liability for changes, errors or omissions.
If this ICT product is not in good working order, as outlined in the above warranty, your sole remedy shall be repair or replacement as provided above. In no event will ICT be liable for any damages resulting from the use of or the inability to use the ICT product, even if an ICT employee or an authorized ICT dealer has been advised of the possibility of such damages, or for any claim by any other party.
ICT reserves the right to make changes without further notice to any products or documentation for improvement of reliability, function, or design.
ICT Ltd. does not recommend use of its products in life support applications wherein a failure or malfunction of the product may directly or indirectly threaten life or cause injury. The user of ICT products, which are to be used in life support applications as described above, assumes all risks of such use and indemnifies ICT against all damages.
INNOVATIVE CIRCUIT TECHNOLOGY LTD.
26921 Gloucester Way
Langley, British Columbia, Canada V4W 3Y3
T
604.856.6303
F
604.856.6365
www.ict-power.com
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Table of contents
- 4 INTRODUCTION
- 5 INSTALLATION
- 5 Check Unit
- 5 Configure a System
- 8 Install Unit
- 14 Parallel Shelf Installation
- 15 OPERATION (Front Panel)
- 16 System Status
- 17 Battery Management Module
- 20 Load Distribution Module
- 21 Alarm Inputs
- 22 Alarm History
- 22 Network Status and Advanced Options
- 23 Password Reset (Front panel)
- 23 OPERATION (No ICM)
- 23 OPERATION (Network GUI)
- 24 Log In to the Unit
- 24 System
- 25 Power Modules
- 26 Battery Backup (with optional BMM)
- 30 Load Distribution (with optional LDM)
- 33 Alarms
- 34 Communications
- 42 Router Configuration
- 44 Text Message Notifications
- 45 Troubleshooting Network Communications
- 46 STATUS INDICATORS AND ALARMS
- 49 PRODUCT SPECIFICATIONS
- 52 LIMITED WARRANTY