Technical manual: Automatic Transfer Switch Controller

Technical manual: Automatic Transfer Switch Controller
31100081
I217GB09 06
Technical manual:
Automatic Transfer Switch Controller: Model TL101
31100081
I217GB09 06
Temlogic 2 TL101 Controller Manual
TABLE OF CONTENTS
1.0
WORKING PRINCIPAL……………………………………………………………………………………... 1
2.0
3.0
3.1
3.2
3.3
TECHNICAL FEATURES…………………………………………………………………………………... 1
UNIT OPERATING FEATURES………………………….………………………………………………...
OPERATING CHARACTERISTICS………………………………………………………………………
PROGRAMMABLE FUNCTIONS ………………………………………………………………………..
TRANSFER EQUIPMENT CAPABILITY…………………………………………………………………
2
2
2
2
4.0
5.0
6.0
7.0
8.0
8.1
8.2
8.3
8.4
TECHNICAL CHARACTERISTICS………………………………………………………………………...
FRONT PANEL DESCRIPTION ……………………………………………………………………………
MEASURE VARIABLE SELECTION………………………………………………………………………
STATUS LEDs……………………………………………………………………………………................
OPERATING MODE SELECTION……………………………………………………………………….…
OFF-RESET MODE……………………………………………………………………………………......
MANUAL MODE……………………………………………………………………………………...........
AUTO MODE……………………………………………………………………………………................
TEST MODE…………………………………………………………………………………….................
3
4
5
6
7
7
7
8
8
9.0
10.0
10.1
10.2
10.3
10.4
MAIN LINE FAILURE SIMULATION……………………………………………………………………….
APPLICATION OPERATION………………………………………………………………………………..
UTILITY-TO-GENERATOR APPLICATION……………………………………………………………..
UTILITY-TO- UTILITY APPLICATION…………………………………………………………………...
GENERATOR -TO- GENERATOR APPLICATION…………………………………………………….
EJP FUNCTION…………………………………………………………………….................................
9
9
9
10
10
10
11.0
11.1
11.2
11.3
CONTROL OF CHANGEOVER DEVICES………………………………………………….……………..
CONTROL OF MOTORISED CIRCUIT BREAKER…………………………………………………….
CONTROL OF MOTORISED CHANGEOVER SWITCHES………………………………….………..
CONTROL OF CONTACTORS…………………………………………………….……………………..
10
11
11
11
12.0
12.1
12.2
12.3
12.4
PROGRAMMING OF CONTROLS / PARAMETERS………………………………………………….…
VOLTAGE CONTROLS…………………………………………………………………………………...
PARAMETER MENUS …………………………………………………………………………………....
PARAMETER SETUP ………………………………………………………………………………….....
REAL-TIME CLOCK SETUP ……………………………………………………………………………..
12
12
14
22
23
13.0
13.1
13.2
13.3
13.4
13.5
13.6
OUTPUT DATA / TESTS / REMOTE CONTROL…………………………………………………………
DISPLAY OF STATISTICAL DATA………………………………………………………………………
ALARMS…………………………………………………………………………………..........................
AUTOMATIC TEST………………………………………………………………………………….........
DIAGNOSTIC MESSAGE…………………………………………………………………………………
KEYPAD LOCK…………………………………………………………………………………...............
REMOTE CONTROL………………………………………………………………………………….......
24
24
25
26
26
27
27
14.0
MECHANICAL DIMENSIONS & CUT- OUTS……………………………………………………………. 28
15.0
WIRING DIAGRAMS……………………………………………………………………………………....... 28
ii
31100081
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Temlogic 2 TL101 Controller Manual
1.0
WORKING PRINCIPAL
The Temlogic 2 TL101 automatic transfer switch controller will control & supervise the primary &
secondary power of an installation and initiate transferring of the mains to a back-up source in the
event of main source interruption. The utility changeover, from one power source to the other can be
fully automatic or manually operated. The logic controller includes all necessary features to monitor
energy distribution systems or generating sets, and relative transfer equipment, such as contactors,
motorised circuit breakers and changeover switches.
The automatic transfer takes place when predefined conditions entered by the user take place such
as,
•
•
•
The need for a reliable power source
Power supply voltage/frequency etc. not falling within programmed limits
The need to use the most economical power source
The unit is simply programmed from the front panel with visual led indication and can be remotely
monitored via a Modbus network. The circuit breakers can be manually controlled using the function
keys on the front face of the controller. The list below details typical applications.
Utility-utility, utility to generator or generator to generator
changeover
Control of motorised circuit breakers, motorised switches
or contactors
Generator management with automatic test and rotation
emergency
Three phase, two phase or single-phase voltage controls
L-L voltage and/or L-N voltage control
Controls of minimum voltage, maximum voltage, phase
loss, asymmetry, minimum frequency, maximum
frequency, with independent enable and delay
2.0
•
•
•
•
•
•
•
•
•
•
•
•
•
TECHNICAL FEATURES
Flush mount 144*144 mm housing
Plug in removable connections
AC Rated auxiliary power supply: 220-230-240VAC
DC Rated auxiliary power supply: 12-24-48VDC
Phase to phase voltage measure inputs: 80-800VAC
Voltage transformer programming
TRMS voltage measure
Frequency measurement 45-65Hz
Control function: phase sequence, phase loss, max/min voltage,
asymmetry, max/min frequency
Two displays for voltage/frequency viewing
8 digital programming inputs
7 relay programmable outputs
RS232 interface
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3.0 UNIT OPERATING FEATURES
3.1 Operating Characteristics
Choice of single, two, three-phase lines with or without neutral
Supported applications include mains-mains, mains-genset and genset-genset
Controls include
- Phase loss
- Phase sequence
- Min/Max voltage
- Asymmetry
- Min/Max Frequency
Statistical data logging
- Number of automatic/manual transfers of line 1 & 2
- Number of incomplete transfers of line 1 & 2
- Time of line 1 & 2 voltage out of limits
- Time of line 1 & 2 voltage normal
- Time of utility power supply on line 1 & 2
- Time of no utility power supply
Event logging with time and date entry: source of automatic transfer control,
automatic/manual & incomplete transfer controls, operating mode change and setup data
variations
Data and event storage in non-volatile ferromagnetic memory
keypad setup
Modbus RTU and ASCII communication protocols
3.2 Programmable functions
Automatic test
Transfer strategy
Signal & genset starting supervision
Two generator rotation
Principle line selection
Secondary loads disconnection
Before & after transfer indication
3.3 Transfer equipment capability
Contactors
Motorised circuit breakers
Motorised changeover switches
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4.0
TECHNICAL CHARACTERISTICS
Auxiliary power supply
DC supply operating limits
AC supply operating limits
Frequency
Power consumption max.
Power dissipation max
Current consumption max
Micro-breaking immunity time
Voltage inputs
Rated voltage Ue
Measure limits
Frequency limits
Type of measure
Measure input impedance
Type of connection
Measure error
Digital inputs
Number of inputs
Type of input
Input current
Input signal “0” state
Input signal “1” state
Input signal delay
Relay outputs
Number of outputs
Number of control outputs for circuit breaker closing and precharging
Number of control outputs for circuit breaker closing
Number of control outputs for generating set
Number of spare outputs
Number of alarm outputs
Max current 1.2 and 2.2 terminals
Communication interfaces
RS232 serial port Programmable baud-rate
RS485 serial port (NON STANDARD)
Real time clock (NON STANDARD)
Time of backup energy
Operating autonomy without power supply
Insulation
Rated insulation voltage Ui
Ambient conditions
Operating temperature
Storage temperature
Relative humidity
Pollution degree maximum
Connections
Type of terminal
Conductor section min / max
Tightening torque
Housing
Material
Version
Dimensions l x h x d
Degree of protection
Weight
9…70VDC (Us=12-24-48VDC)
187…264VAC (Us=220-230-240VAC)
45…65Hz
6VA (Us=240VAC)
2.8W (Us= 240VAC or Us=48VDC)
420mA at 12VDC; 200mA at 24VDC
50ms
690VAC phase-phase (400VAC phase-neutral)
80…800VAC phase-phase
45…65Hz
TRMS (True Root Mean Square value)
>1.1M phase-phase; >0.5M phase-neutral
One, two or three phase
Class 0.5 ±0.25% f.s. ±1digit
8 (all programmable)
Negative
9mA
1.5 (2.9V typical)
5.3 (4.3V typical)
50msec
7 (all programmable)
2 (1 N/O – 12A/230VAC) (relay contacts with 16A
capacity in AC1)
2 relays (1 N/O – 8A/230VAC)
1 relay (1 N/O – 8A/230VAC)
1 relay (1 C/O – 8A/230VAC)
1 relay (1C/O – 8A/230VAC)
12A
1200…38400 bps Connection with RJ6/6 jack
Opto-isolated, programmable baud-rate 1200…38400 bps
Plug-in / removable terminal connection
Table 1: Technical characteristics
Capacitor (Super Cap)
7 days
690V
-20…+60°C
-30…+80°C
<90%
2
Plug-in / removable
0.02…2.5 mm (24 – 12 AWG)
0.5 Nm (4.5 lbin)
LEXAN 3412R thermoplastic
Flush mount
144 x 144 x 94mm
IP41 on front, IP20 rear
950g
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Temlogic 2 TL101 Controller Manual
5.0
FRONT PANEL DESCRIPTION
The TL101 Temlogic 2 controller offers full transfer control, parameter alteration and measure variable
display via the panel function keys and LED displays.
Front panel summary:
•
•
•
•
•
•
•
•
•
•
LED displays: Measure variables (voltages & frequency) can be viewed via the two LED displays.
The ‘Line 1’ LED display would typically represent the ‘normal’ or ‘main’ power source and the ‘Line
2’ LED display would typically represent the ‘emergency’ or ‘back-up’ power source.
Measure variable LEDs: These display LEDs indicate for each line whether the LED display is
showing a line-to-line (L-L), line-to-neutral (L-N) or frequency reading.
Scroll Keys: The ‘Scroll keys’ enable the user to switch between the available measure variables
(L-L, L-N, frequency) which are shown via the LED display.
Mimic diagram: Is a visual representation of the transfer switch system.
Line Status LEDs: Indicate whether a supply (normal or emergency) is ready for electrical
connection to a load.
LINE 1 / LINE 2 ON/OFF Keys: Allows the manual control of the motorised circuit breaker.
ON/WITHDRAWN/TRIP Status LEDs: Indicates the status of the circuit breaker.
Alarm Status LED: Indicates an alarm event has occurred.
Test Status LED: Indicates the status of the automatic test function.
Operation mode keys: Four keys ‘OFF RESET’, ‘MANUAL’, ‘AUTO’ and ‘TEST’ which allow
selection of the desired operating mode.
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6.0
MEASURE VARIABLE SELECTION
The SCROLL keys are the only operators required to select a desired measure
variable. Each line has its own SCROLL key and when pressed repeatedly the line-toline (L-L) voltage, line-to-neutral (L-N) voltage or frequency information are shown
on the corresponding line LED display.
Each time a line SCROLL key is pressed the red measure variable LED
combinations for the corresponding line will indicate the measure variable selected.
Configuring the TL101 controller to either three-phase, two-phase or single-phase
control will vary the list of measures.
Example: Typical 3 phase, 4 line system.
After 1 minute without pressing a SCROLL key the measure will revert to the default measure.
During an alarm event the alarm code will occupy the display. Pressing the SCROLL key will mask the
alarm temporarily and allow the measures to be accessed.
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7.0
STATUS LEDs
There are six categories of status LED presented on the front panel which indicate the status of the unit
and/or the circuit breaker it controls. The categories are:
•
•
•
•
•
•
Line Status LED
ON Status LED
WITHDRAWN Status LED
TRIP Status LED
Alarm Status LED
Test Status LED
The table below details the meaning of the different status LEDs. Some LEDs can alternate between two
colours and have a different meaning depending on the colour.
LED
ON
OFF
FLASH
LINE OK
Voltage and frequency
within set limits
Voltage or frequency off
limits
Presence delay time or
failure in progress
ON
❶
Closed circuit breaker
(green)
Open circuit breaker
Operating circuit breaker
(green)
WITHDRAWN ❷
TRIP ❷
Circuit breaker
withdrawn
Trip signal without alarm
Circuit breaker inserted
ok
No protection
intervention
ALARM
––
No active alarm
TEST
Automatic test enabled
(green)
Automatic test disabled
Automatic test in
progress (green)
Timeout (red)
Circuit breaker
withdrawn alarm
Protection intervention
alarm
One or more active
alarms
Calendar watch not set
(red)
❶ If auxiliary signals (feedback) have been suitably connected and programmed, the LEDs
represent the status of the circuit breakers; otherwise the LEDs represent the status of the control
outputs.
❷ If the respective signals are suitably connected and programmed, the LEDs represent the status of the
circuit breakers, if not the status LEDs will remain off.
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8.0 OPERATING MODE SELECTION
The unit front panel is equipped with four Operation mode keys which allow selection of the desired
operating mode. The selectable operating modes are:
•
•
•
•
OFF RESET
MANUAL
AUTO
TEST
When an operation mode is selected the corresponding red LED illuminates. If the LED showing the
selected operating mode flashes, this indicates that the unit is communicating through the serial interface
which may result in commands being preformed via remote.
8.1 OFF-RESET MODE
•
•
•
•
The unit is disabled in this mode and does not perform any functions. Status & measure
LED’s remain active.
If the changeover devices (ie motorized circuit breakers) are pulse-type controlled, in OFFRESET both controls remain disabled. For continuous – type controlled changeover
devices the behavior is determined by the P2.25 programming.
To access the programming menus it is necessary to select the OFF-RESET mode before
commencing.
By pressing the OFF-RESET key retentive alarms can be cleared, provided the conditions
generating the alarms have been addressed.
8.2 MANUAL MODE
•
•
•
•
In MANUAL mode it is possible to control circuit breakers manually by pressing the relevant
line ON/OFF key (YELLOW COLOUR KEY’S) for a minimum time of 300ms.
At each key pressure the circuit breaker status is switched over. The command is accepted
only when 1sec has elapsed from the end of the previous switching.
If a manual command is given to close a circuit breaker while its paired circuit breaker is still
closed, the TL101 unit will first open the currently closed circuit breaker and then close the
desired circuit breaker, while interposing the programmed interlock time.
When operating with a generator set, the generator startup and shutdown can be manually
commanded on the secondary line by pressing and holding down the MANUAL key for 5
seconds.
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8.3 AUTO MODE
•
•
•
•
•
In the AUTO mode the TL101 unit performs both circuit breaker opening and closing
operations, and manages the startup and shutdown of the generator set, if any.
When the main line exceeds the limits, after the set delay times (line LED off), the unit
disconnects the load from the main line and connects it to the secondary line. Both the
startup of the generator set (if any), and the handling and interlock times between circuit
breakers are controlled via the TL101 unit.
The TL101 unit may be programmed to disconnect the load from the main line before or
after the secondary line has been made available.
When the main line returns within the limits, the Tl101 unit switches over the load again and
controls the generator set cooling cycle, if any.
Automatic operating cycles vary both as a function of the type of application (utility-to- utility,
utility-to-generator or generator-to-generator) and as a function of the type of switching
devices used (motorised circuit breakers, switches or contactors).
8.4 TEST MODE
•
•
•
•
•
•
•
The TEST mode allows the TL101 unit to confirm the proper operation of the emergency
generator set while a normal operating main line power source is available.
When TEST mode is selected the generator set on the secondary line is immediately
started.
Both voltage controls are activated and, if an anomaly occurs on the main line during the
test, the load is switched over automatically.
Under standard conditions when the main line is present, the load remains on the line and
the generator set works with no load (offload test).
To test the emergency generator under load (on-load test), the operation mode key ‘TEST’
and line 2 ‘ON/OFF’ MUST BE PRESSED TOGETHER FOR 5 SECONDS.
Once the load has been shifted to the generator under TEST mode, in the event of a main
line failure or if an on-load test is being performed, the TL101 unit will not automatically
revert back to the main line, unless the AUTO mode is selected.
Delay and interlock times are the same as in the automatic mode.
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9.0 MAIN LINE FAILURE SIMULATION
For the purpose of system testing it is possible to simulate a 1 minute voltage failure on the main line.
The unit will respond in the same manner and timeframe set for standard automatic operation. The proper
operation of transfer cycles may thus be controlled. To perform a main line failure simulation:
•
+
Set the TL101 unit for automatic operation by selecting the AUTO key.
•
Press the AUTO key and the line 2 ON-OFF key together for 10
consecutive seconds.
•
The letters F.SI (Failure Simulation) will appear on the display during the execution of the whole
cycle.
•
To stop the test before completion, repeat the starting procedure or switch to the OFF – RESET
mode.
10.0 APPLICATION OPERATION
10.1 UTILITY-TO-GENERATOR APPLICATION
When configured for use in a utility-to-generator application (U-G, default setting) the load is usually
connected to the utility (Line 1). After a voltage or frequency anomaly the following occurs:
•
•
•
•
•
•
A start signal is sent to generator (Line 2) after the delay set in P2.15,
The generator is allowed to run ‘off-load’ until the voltage levels are within programmed limits, at
which time the load is connected to the generator line.
The TL101 unit continually monitors the main utility line for standard values to return.
When the main utility line stabilises the load is transferred back to the utility line and the generator
is kept in operation without load for a time set by P2.16 to allow it to cool.
The TL101 unit then sends a start/stop command to the generator through a relay output. The
TL101 unit can receive digital signals from the generator indicating its status (generator ready, ok
to load taking, etc) through programmable inputs.
An automatic test can be programmed, i.e. the generator can be started at set times to control its
operation even if the utility is generally within limits, by setting execution interval, starting time,
days of the week when the test shall be carried out, its duration, etc.. Refer to the relevant menu to
set the automatic test.
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10.2 UTILITY-TO- UTILITY APPLICATION
When configured for use in a utility-to-utility (U-U) application, the load is usually connected to the main
utility and the transfer to the secondary utility occurs if/when a main line anomaly occurs or a transfer
signal is remotely given.
10.3 GENERATOR -TO- GENERATOR APPLICATION
Generator – to – generator applications involve controlling two generators, each with a start-stop relay and
possible feedback signals.
•
•
•
In this application a rotation between generators can be programmed, i.e. the load can be shifted
from one to the other at regular intervals, with the purpose of dividing the generator work load
equally.
It is possible to set the time of day when rotation shall occur, so that load supply cut-off occurs at a
specified time.
If a problem occurs with either generator, the load is shifted to the stand-by unit in all cases.
10.4 EJP FUNCTION
For applications requiring the EJP function, it is possible to use two programmable inputs set to functions
S.GE (start generator) and E.tr (External transfer).
•
Parameter P2.26 can also be used to define a generator start delay.
11.0 CONTROL OF CHANGEOVER DEVICES
The TL101 unit can control different types of devices such as motorised circuit breakers, motorised
changeovers or contactors for the purpose of line changeover. Depending on the type of changeover
devices used with the TL101 unit, appropriate wiring diagrams shall be used with related programming of
programmable inputs /outputs.
•
•
•
•
•
Programmable outputs are set by default for motorised circuit breaker applications. For further
details please refer to the attached wiring diagrams at the end of this manual.
The device status feedback inputs shall be normally wired, so as to ensure reliable system
operation. Nonetheless, it is however possible to avoid their wiring and set programmable inputs for
other functions. In this case the unit behaves as if the device carried out at once the command sent.
If the device status inputs are not used, after power-on the TL101 unit will send an open command
in order to set the switching devices to a definite position.
If the device status inputs are used, after power-on the TL101 unit will not send commands to the
switching device until the relative line status is not stable, that is when the presence / absence
delay have elapsed.
Internal control relays are neither interlocked electrically nor mechanically.
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11.1 CONTROL OF MOTORISED CIRCUIT BREAKER
•
•
•
•
•
•
For the control of motorised circuit breakers, 4 outputs are needed (open and close commands for line 1
and line 2) and two inputs for circuit breakers status feedback, plus any additional optional inputs for
alarm signaling (WITHDRAWN and TRIP).
Open and close commands can be kept in continuous or pulse mode, i.e. kept until the circuit
breaker has reached the required position + safety time.
The two command modes ("Con" - continuous or "PUL" - pulse) can be selected through the appropriate
parameter P2.07 in the general data menu.
TRIP inputs are ignored for a 15-second window every time an open command is sent to the circuit
breakers. This prevents a false alarm from being activated if a circuit breakers temporarily sends a
TRIP signal during the opening operation initiated by the release coil.
A 0.5-second interval is interposed between the opening and closing commands of the samecircuit
breaker.
If feedback inputs are used, should the circuit breaker not close, a second attempt is conducted before
generating the alarm.
11.2 CONTROL OF MOTORISED CHANGEOVER SWITCHES
Applications utilising motorised switches are configured in a similar fashion to that of motorized circuit
breakers, with the following exceptions:
•
•
•
Only three outputs (line1, line 2 and all open positions) and two inputs for circuit breaker status are
required
CL.1, CL.2 and OP.A output functions and Fb.1 and Fb.2 input functions are required.
It is possible to select the command mode (either pulse or continuous).
11.3 CONTROL OF CONTACTORS
•
•
If a pair of contactors are used, two outputs (CL.1 and CL.2) and two status inputs are required.
In this case, the command must be programmed in contactors control mode (P2.07 = Cnt).
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12.0 PROGRAMMING OF CONTROLS / PARAMETERS
12.1 VOLTAGE CONTROLS
A power source is determined to be suitable or unsuitable for use by the TL101 unit based upon user
defined parameters. The menus used to establish a power sources suitability are:
•
•
•
menu P1 (system ratings)
menu P3 (line 1 voltage control)
menu P4 (line 2 voltage control)
The systems ratings can be set through menu P1, including rated voltage and frequency, which are issued
as references to set percent thresholds.
A voltage ratio (TV ) can be set whenever a voltage lower than the actual system voltage is applied to the
TL101 unit voltage inputs. Also in this case, both the visualisation and the setting of thresholds will be
implemented in actual magnitudes referred to the system.
The controller can be programmed to perform voltage controls on three-phase with or without neutral, twophase or single-phase utilities (P1.03).
In the case of three-phase or two-phase utilities the L-L voltage, L-N voltage, or both (P1.04) can be
monitored. In every case, the rated voltage set within P1.01 has to be equal to the phase-to-phase voltage.
•
At power up or resetting of the device, each line is considered stable when the voltage is within pickup
limits, unless the relative circuit breaker is already closed.
The following table lists the controls made on each line. The controls marked with OFF may be excluded.
Control
Minimum
voltage
Maximum
voltage
Phase loss
Asymmetry
(unbalance)
Minimum
frequency
Maximum
frequency
Phase
sequence
Description
One or more phases are too low
OFF
One or more phases are too high
●
Threshold below which the unit intervention is quicker than with a normal
decrease
Phases within the maximum-minimum range but too different from each other
●
Frequency is too low
●
Frequency is too high
●
Reverse rotation
of phases
●
●
All controls, except minimum voltage, may be excluded independently, by setting the relevant parameters
to OFF.
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Each listed anomaly has an independent delay time. For the TL101 unit to respond to an anomaly, the
event must continually persist uninterrupted more than the set delay time.
When all the line parameters are restored within the specified limits, before the line may be used, the line
presence delay time must elapse. The duration of this time is specified by two independent parameters:
1) the delay time when the alternate line becomes available, and
2) the delay time, which is normally of shorter duration, that exists in the situation where the alternate
line is not available.
Voltage minimums / maximums:
The limits of minimum and
maximum voltage are specified by
setting two thresholds, each one
defining the point beyond which
the voltage is considered no
longer acceptable (e.g. P3.01,
drop-out) and the other, nearer to
the rated voltage, defining the
point where it is again compatible
(e.g. P3.02, pick-up).
The distance between these two thresholds defines hysteresis. For example, it could be stated that below
80% of the rated voltage value, the voltage source can no longer be used. For the voltage source to be
deemed satisfactory, the voltage must rise above 85%, thus defining a 5% hysteresis (dead-band). The
same principle is applied to maximum voltage.
Frequency thresholds: Voltage source frequency thresholds allow for a fixed hysteresis which is equal to
1% of rated frequency.
Phase loss: For the phase loss, the pick-up threshold is the same as the minimum voltage pickup
threshold.
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12.2 PARAMETER MENUS
The TL101 unit has eight menus that can be accessed in order to change the operational and functional
parameters of the TL101. The menus are structured as shown below:
MENU
P1
P2
P3
P4
P5
P6
P7
P8
Description
System Ratings
General Data
Line 1 Voltage control
Line 2 Voltage control
Programmable Inputs
Programmable Outputs
Communication Ports
Automatic Test
Each of the eight parameter menus contain a list of changeable parameters, functions and input / outputs.
These are summarised below:
MENU P1 - RATINGS
PARA.
FUNCTION
RANGE
P1.01
System rated voltage
100...690VAC
DEFAULT
415VAC
P1.02
TV ratio
1.00 ... 9.99
1.00
P1.03
Wiring configuration
3.nE
P1.04
Type of voltage control
P1.05
Rated frequency
P1.06
Rated battery voltage
3.nE - 3 phase + Neutral
3Ph – 3 phase
2Ph- 2 phase
1Ph – single phase
L-L - Line – to Line
L-N – Line – to - Neutral
LLn - Line – to Line + Line – to Neutral
50H - 50Hz
60H - 60Hz
OFF
12 - 12VDC
24 - 24VDC
48 - 48VDC
L-L
50Hz
OFF
P1.01 - Rated voltage used for threshold calculation; thresholds are expressed as Un percentage. Set the
line-to-neutral (L-N) or line-to-line (L-L) voltage depending on what was set on P1.04.
P1.03 - Defines the network wiring configuration used. The setting between 3- phase and 3-phase +
neutral influences the visualisation only.
P1.04 - Specifies if the voltage controls are applied to L-L voltages, to L-N voltages or to both voltages.
P1.05 - Rated frequency used as reference for frequency threshold calculation.
P1.06 - Used for alarms on battery voltage.
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MENU P2 – GENERAL DATA
PARA.
P2.01
FUNCTI
Type of application
ON
P2.02
Phase sequence control
P2.03
Main line selection
P2.04
P2.05
P2.06
Interlock time Line 1 -> Line 2
Interlock time Line 1 <- Line 2
Changeover strategy
P2.07
Circuit breakers control type
P2.08
Maximum time for circuit breaker operation (A03 - A04 Alarms delay)
RANGE
U-G = Utility to
Generator
U-U = Utility to Utility
G-G = Generator to
Generator
OFF - Disabled
L1-L2-L3 - Direct
L3-L2-L1 - Inverse
-1- Line 1
-2- Line 2
0.1 ... 90.0s
0.1 ... 90.0s
ObP - Open Before
Presence
OAP - Open After
Presence
Con - Continuous
PUL - Pulse
Cnt - Contactors
1...900s
DEFAULT
U-G
P2.09
P2.10
P2.11
Open command duration
Close command duration
Maximum time for load not energized (A07 Alarm intervention delay)
1.0...60.0s
1.0...60.0s
OFF / 1...3600s
10.0s
1.0s
60s
P2.12
Lock of automatic restore to main line
OFF
P2.13
P2.14
Pre-transfer time
Post-transfer time
OFF - Disabled
ON - Lock on
OFF / 1...300s
OFF / 1...300s
OFF
OFF
P2.15
Generator start delay
0 .... 900s
3s
P2.16
Generator cooling time
1...3600s
180s
P2.17
Generator rotation interval
OFF
P2.18
Generator rotation hour
OFF / 1h / 2h / 3h / 4h /
6h / 8h / 12h / 1d / 2d /
3d / 4d / 5d / 6d / 7d
0...23
P2.19
Generator rotation minutes
0...59
0
P2.20
Battery minimum voltage threshold
OFF / 70...100%
75%
P2.21
Battery maximum voltage threshold
OFF / 110...140%
130%
P2.22
Battery threshold delay
0...60s
10s
P2.23
Clock setting at startup
OFF / On
OFF
P2.24
Voltage control enable in MAN mode
OFF / On
OFF
P2.25
Continuous command in RESET/OFF mode
Noc
P2.26
EJP start delay
OFF - Release command
output
Noc - No change on
command output
OFF / 1..3600s
L1-L2-L3
-16.0s
6.0s
ObP
PUL
5s
12
OFF
P2.01 - Defines the type of application for the control of one or two generator sets, enabling the
management of the relevant input/output signals.
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P2.03 - Defines which is the main line, i.e. the line taking on the load when both sources are available.
P2.06 - OBP (Open Before Presence) means that, in automatic mode, the open command of a circuit
breaker is generated when the line concerned goes beyond limits, irrespective of the status of the
alternative line.
OAP (Open After Presence) means that, in automatic mode, the open command of a circuit breaker is sent
only after the alternative line is present within limits.
P2.07 - Defines whether open-close outputs must be continuously active (application with circuit breakers
without feedback) or in pulse mode, i.e. activated until the circuit breaker / switch has been positioned as
required. If in pulse mode, the command is extended for a specified time (see P2.09 and P2.10) even after
positioning completion.
If contactors are used, P2.07 must be set to "Cnt".
P2.08 - If, after sending an open or close command to a circuit breaker, this is not positioned correctly
within this time, alarms A03 or A04 are generated. It works when the auxiliary contacts of circuit breaker
status are programmed and wired.
P2.09 - minimum duration of an opening command pulse. For a motorised circuit breaker application, it
must be set to a time sufficient enough to allow the load of the springs. This time is considered also when
working in continuous mode.
P2.10 - Duration of the opening command pulse.
P2.11 - If in automatic mode both sources are not available at the same time for a time exceeding P2.11,
alarm A07 is generated.
P2.12 - If this parameter is enabled, after a transfer to the secondary line, restore to main line does not
occur automatically when
the latter becomes available again, but It must be commanded in manual mode.
P2.13 - Excitation time of the pre-transfer output before switching from one line to the other.
P2.14 - Excitation time of the post-transfer output after switching from one line to the other.
P2.15 - Time elapsing between the underused line loss and the sending of the transfer signal to the
generator on the alternative line. This time is independent of the circuit breaker opening time.
P2.16 - Time during which the generator is left in operation to cool after it has been disconnected from the
load.
P2.17 - P2.18 - P2.19 - These parameters allow to implement a time rotation in G-G applications, switching
the priority between the two generators. P2.17 defines the rotation interval between the two generators.
The time of day when rotation will occur is defined by P2.18 and P2.19. If the rotation interval exceeds 24h,
then rotation always occurs at the time stated every n days. If, on
the contrary, it is less than 24h, then it occurs at the time specified and also at
submultiples. For instance, if you set time at 12:30 and rotation every 6h, there will be a changeover at
12:30, one at 18:30, one at 0:30, etc.
P2.23 - If the real-time-clock is not set after power-on, it returns to the default value.
P2.24 - Enables or disables voltage control in MAN mode. If the control is enabled, no transfers are
performed between the two lines, but the individual switching device is opened/closed when its voltage
goes beyond / reverts to limits.
P2.25 - Defines the behavior of the open/close command outputs when working in continuous command
mode and the TL101 is in RESET/OFF mode. This parameter can be useful when working with contactors.
P2.26 - Delay between the EJP start signal and the effective start signal sent to the generator.
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MENU P3 – LINE 1 VOLTAGE CONTROL
PARA.
P3.01
FUNCTION
Minimum voltage threshold - trip
70...98%
RANGE
DEFAULT
85%
P3.02
Minimum voltage threshold - restore
75...100%
90%
P3.03
Minimum voltage threshold - delay
0.1....900s
1.0s
P3.04
Maximum voltage threshold - trip
102...120% / OFF
115%
P3.05
Maximum voltage threshold - restore
100...115%
110%
P3.06
Maximum voltage threshold - delay
0.1....900s
1.0s
P3.07
Phase loss threshold
60...85% / OFF
70%
P3.08
Phase loss threshold delay
0.1...30.0s
0.1s
P3.09
Voltage unbalance threshold
1...20% / OFF
15%
P3.10
Voltage unbalance threshold delay
0.1...900s
5.0s
P3.11
Minimum frequency threshold
OFF / 80...100% Fe
95%
P3.12
Minimum frequency threshold - delay
0.1...900s
5.0s
P3.13
Maximum frequency threshold
101...120% Fe / OFF
105%
P3.14
Maximum frequency threshold - delay
0.1...900s
3.0s
P3.15
Line 1 restore within limits - delay (when line 2 source not available)
1...3600s
10s
P3.16
Line 1 restore within limits - delay (when line 2 source is available)
1...3600s
60s
P3.01 - P3.02 - P3.03 - The first two parameters define the minimum voltage threshold and the related
hysteresis upon restore. P3.02 cannot be set to a lower value than P3.01. P3.03 defines the intervention
delay of this protection. See paragraph Voltage Controls.
P3.04 - P3.05 - P3.06 - The first two parameters define the maximum voltage threshold and the related
hysteresis upon restore. P3.05 cannot be set to a value exceeding P3.04. Setting P3.04 to OFF will 13
disable the maximum voltage control. P3.06 defines the maximum voltage intervention delay. See
paragraph Voltage Controls.
P3.07 - P3.08 - Voltage threshold below which a phase loss intervention occurs, generally quicker than the
drop. The delay for the phase loss is specified by P3.08.
P3.09 - P3.10 - P3.09 defines the maximum threshold for unbalance between phases, referred to voltage
rating, and P3.10 defines the related intervention delay. This control may be disabled by setting P3.09 to
OFF.
P3.11 - P3.12 - Threshold (it may be disabled) and intervention delay for minimum frequency.
P3.13 - P3.14 - Threshold (it may be disabled) and intervention delay for maximum frequency.
P3.15 - Delay for Line 1 restore to the limit range, used when the line 2 source is not available. Generally
shorter than P3.16, as there is the urgent need to supply power because the load is not energized.
P3.16 - Delay for Line 1 restore to the limit range, used when the load can be connected to line 2.
Generally longer than P3.15, as the load is energized and consequently it is possible to wait longer before
considering voltage steadily restored.
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MENU P4 – LINE 2 VOLTAGE CONTROL
PARA.
P4.01
FUNCTION
Minimum voltage threshold - trip
70...98%
RANGE
DEFAULT
85%
P4.02
Minimum voltage threshold - restore
75...100%
90%
P4.03
Minimum voltage threshold - delay
0.1....900s
1.0s
P4.04
Maximum voltage threshold - trip
102...120% / OFF
115%
P4.05
Maximum voltage threshold - restore
100...115%
110%
P4.06
Maximum voltage threshold - delay
0.1....900s
1.0s
P4.07
Phase loss threshold
60...85% / OFF
70%
P4.08
Phase loss threshold delay
0.1...30.0s
0.1s
P4.09
Voltage unbalance threshold
1...20% / OFF
15%
P4.10
Voltage unbalance threshold delay
0.1...900s
5.0s
P4.11
Minimum frequency threshold
OFF / 80...100% Fe
95%
P4.12
Minimum frequency threshold - delay
0.1...900s
5.0s
P4.13
Maximum frequency threshold
101...120% Fe / OFF
105%
P4.14
Maximum frequency threshold - delay
0.1...900s
3.0s
P4.15
Line 2 restore within limits - delay (when line 1 source not available)
1...3600s
10s
P4.16
Line 2 restore within limits - delay (when line 1 source is available)
1...3600s
60s
Note - For details on the functions of parameters see the previous details concerning Line 1 menu.
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MENU P5 – PROGRAMMABLE INPUTS
PARA.
P5.01
P5.02
P5.03
P5.04
P5.05
P5.06
P5.07
P5.08
FUNCTION
Prg Input Function 1 term. 4.1
Prg Input Function 1 term. 4.2
Prg Input Function 1 term. 4.3
Prg Input Function 1 term. 4.4
Prg Input Function 1 term. 4.5
Prg Input Function 1 term. 4.6
Prg Input Function 1 term. 4.7
Prg Input Function 1 term. 4.8
RANGE
SEE P5 CODE
TABLE BELOW
DEFAULT
Breaker 1 closed feedback
Breaker 2 closed feedback
Breaker 1 tripped
Breaker 2 tripped
Force transfer
Inhibit re-transfer
OFF
OFF
P5 CODE TABLE
CODE
FUNCTION
OFF
Fb.1
Input not used
Line 1 circuit breaker closed (Feedback 1)
Auxiliary contact informing the TL101 of the open/closed status of line 1 circuit breaker. If this signal is not
programmed, the TL101 considers the status of the circuit breaker corresponding to the status of control outputs.
Line 2 circuit breaker closed (Feedback 2)
Like Fb.1, referred to line 2.
Line 1 circuit breaker protection (Trip 1)
When the contact is opened, it generates an alarm of line 1 circuit breaker protection intervention.
Line 2 circuit breaker protection (Trip 2)
Like tr.1, referred to line 2.
Line 1 circuit breaker withdrawn (Withdrawn 1)
When the contact is open, it generates an alarm of line 1 circuit breaker withdrawn.
Line 2 circuit breaker withdrawn (Withdrawn 2)
Like dr.1, referred to line 2.
Transfer to secondary line
When closed, it causes the changeover to the secondary line even if main line voltage is within limits.
The secondary line circuit breaker remains activated until this line remains within limits. Can be used for the EJP
function.
Inhibit Return to main line
In AUTO mode, when closed, it inhibits the return to main line after it has reverted to the limit range. It is used to
prevent the second power cutout due to re-transfer from occurring automatically at an unforeseeable time.
Start Generator
In AUTO mode, when closed, it causes the generator to start after the delay specified by P2.26. It can be used for
the EJP function.
Emergency
NC contact which, if open, causes both circuit breakers to open and generates alarm A09.
Line 1 generator ready (Generator ready 1)
When closed it signals that the generator connected to line 1 is available for use. If this signal is missing, alarm
A08 is generated.
Line 2 generator ready (Generator ready 2)
Like Gr.1.
Enable load on line 1 (Enable Load 1)
It allows load connection on line 1, in addition to internal controls.
Enable load on line 2 (EnableLoad 2)
Like EL.1, referred to line 2.
External control of line 1 (External control 1)
Signal showing that line 1 is within limits. It replaces internal controls.
External control of line 2 (External control 2)
Like EC.1, referred to line 2.
Keypad lock (Lock)
If closed, it locks all the functions from front keypad except measure viewing.
Lock Parameters
If closed, it locks the access to setup menus.
Lock remote control
If closed, locks write access through serial interface ports.
Fb.2
tr.1
tr.2
dr.1
dr.2
E.tr
In.r
S.GE
EME
Gr.1
Gr.2
E.L1
E.L2
E.C1
E.C2
Loc
L.PA
L.rc
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MENU P6 – PROGRAMMABLE OUTPUTS
PARA.
P6.01
P6.02
P6.03
P6.04
P6.05
P6.06
P6.07
FUNCTION
Prg Out Function 1 term. 1.1
Prg Out Function 2 term. 1.3
Prg Out Function 3 term. 2.1
Prg Out Function 4 term. 2.3
Prg Out Function 5 term. 3.1
Prg Out Function 6 term. 3.3-3.4
Prg Out Function 7 term. 3.6-3.7
RANGE
SEE P6 CODE
TABLE BELOW
DEFAULT
Open line 1
Close line 1
Open line 2
Close line 2
Transfer switch ready
Generator 2 control
Global alarm
P6 CODE TABLE
CODE
FUNCTION
OFF
OP.1
Output not used
Line 1 circuit breaker open control (Open 1)
A contact which closes to command the opening of the line 1 circuit breaker. It may remain energized or be released
when the operation is completed, depending on P2.07 setting. (not used when contactors or switches are used).
Line 1 circuit breaker close control (Close 1)
A contact which closes to command the closing of the line 1 circuit breaker. It may remain energized or be released
when the operation is completed, depending on P2.07 setting.
Line 2 circuit breaker open control (Open 2)
Like OP.1, referred to line 2.
Line 2 circuit breaker close control (Close 2)
Like CL.1, referred to line 2.
Open control for both lines (Open All)
Used to set motorised switches to the neutral position, with both lines open.
Generator Control 1
Start / stop control for the generator connected to line 1. When closed it commands the shutdown of the generator
set. Used in Gen-Gen applications only.
Generator Control 2
Start / stop control for the generator connected to line 2. When closed it commands the shutdown of the generator
set. Used in Util-Gen and Gen-Gen applications.
TL101 Ready
It signals that the TL101 is in automatic mode and without alarms, ready for intervention.
Global Alarm
Energized output under standard conditions, de-energized in the presence of any alarm.
Load Shed
Disconnection of non-priority loads which are not energized by the secondary line. It is controlled also in MANUAL
mode. The contact is closed before the secondary line close command and is opened before main line close
command.
Pre-Transfer
The output is energised before transferring the load from one line to the other, for the time set through P2.13.
Post-Transfer
The output is energised after transferring the load from one line to the other, for the time set through P2.14.
Line 1 Status
The output is energised when there are all the conditions to connect load to line 1.
Line 2 Status
The output is energised when there are all the conditions to connect load to line 2.
CL.1
OP.2
CL.2
OP.A
GC.1
GC.2
Rdy
ALA
L.SH
PrE
PoS
L1.S
L2.S
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MENU P7 – SERIAL COMMUNICATION
PARA.
P7.01
P7.02
P7.03
FUNCTION
RS-232 Address
RS-232 Baud Rate
RS-232 Protocol
P7.04
RS-232 Parity
P7.05
P7.06
P7.07
RS-485 Address
RS-485 Baud Rate
RS-485 Protocol
P7.08
RS-485 Parity
RANGE
1 ..245
2400, 4800, 9600, 19200, 38400
Rtu - rtu
ASC - ASCII
Mod - ASCII + modem
Non - None
Odd
EvE – Even
1 ..245
2400, 4800, 9600, 19200, 38400
Rtu - rtu
ASC - ASCII
Mod - ASCII + modem
Non - None
Odd
EvE - Even
DEFAULT
1
9600 baud
Modbus RTU
None
1
9600 baud
Modbus RTU
None
P7.01...P7.04 - They define the transmission format and the protocol used on the RS-232 communication
port.
P7.05...P7.08 - They define the transmission format and the protocol used on the NON STANDARD RS485 communication port.
MENU P8 – AUTOMATIC TEST
PARA.
P8.01
P8.02
P8.03
P8.04
P8.05
P8.06
P8.07
P8.08
P8.09
P8.10
P8.11
P8.12
P8.13
FUNCTION
Automatic Test Enable
Automatic Test Performance Interval
Enable test on Monday
Enable test on Tuesday
Enable test on Wednesday
Enable test on Thursday
Enable test on Friday
Enable test on Saturday
Enable test on Sunday
Automatic Test Start - Hour
Automatic Test Start - Minutes
Automatic Test Duration
Load Changeover
RANGE
OFF / On
1 .. 60 days
OFF / Mon
OFF / Tue
OFF / Wed
OFF / thu
OFF / Fri
OFF / Sat
OFF / Sun
0...23
0...59
1...600 min
OFF / On
DEFAULT
OFF
7
ON
ON
ON
ON
ON
ON
ON
12
0
10 MIN
OFF
P8.01 - In applications with generator sets, it enables or disables the performance of the periodic automatic
test. This parameter can be modified directly from the front panel without accessing setup (see chapter
Automatic Test) and its status is displayed by the relevant TEST LED on the front panel (see Status LEDs).
P8.02 - It defines the minimum time interval between the performance of an automatic test and the
following one, as a function of
the programming of the following parameters P8.03...P8.09. If on the day of expiry of the period the test is
not enabled, the interval will be consequently extended.
P8.03...P8.09 - It enables performance of the automatic test on the individual days of the week. OFF
means that on that day the test shall not be performed. The day is observed when the calendar clock is
properly set.
P8.10 - P8.11 - It defines the starting time of the automatic test on a day. The calendar clock must be
properly set.
P8.12 - It defines the duration of the automatic test in minutes.
P8.13 - It defines whether the automatic test is carried out only by starting the generator or whether load
must also be transferred to the same generator (On).
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12.3 PARAMETER SETUP
To access the TL101 unit parameters follow the procedure below:
•
Set the TL101 unit to the OFF – RESET mode by selecting the OFF – RESET
key.
+
•
•
Press the ‘OFF – RESET’ key and the line 1 SCROLL key together
for 5 consecutive seconds.
The line 1 display will show the code of the first parameter. The first digit of the code is the menu
number which blinks alternating with a P, while the two following digits indicate the number of the
parameter within the menu. The first parameter is P1.01, i.e. menu P1, parameter 01.
LINE 1
•
Press the line 1 SCROLL to advance forward through the parameters
of the same menu and the line 1 ON/OFF key to move backward.
•
Press the TEST key to advance forward through different
menus and the AUTO key to move backward.
The digit identifying the parameter is shown on the LINE 1 display, while the current setting is indicated on
the LINE 2 display as shown below.
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LINE 2
Press the line 2 SCROLL and the line 2 ON/OFF to make changes to the
setting of the selected parameter.
•
By moving to another parameter or quitting, the setting of the selected parameter will be stored
automatically.
•
•
Press the OFF – RESET key to quit the parameters setup.
If no keys are pressed for more than 2 minutes, the TL101 unit exits the setup menu automatically
without storing the changes.
12.4 REAL-TIME CLOCK SETUP
The procedure to set the TL101’s real time clock is shown below:
•
+
•
+
•
•
Set the TL101 unit to the ‘OFF – RESET’ mode by selecting the ‘OFF – RESET’
key.
Press the line 1 ‘SCROLL’ key and the line 1 ON/OFF key together for
5 consecutive seconds.
Use the line 1 ‘SCROLL’ key and the line 1 ON/OFF key to scroll the clock parameters.
Use the line 2 ‘SCROLL’ key and the line 2 ON/OFF key to modify the setting of a selected
parameter.
•
Press the OFF – RESET key to quit the parameters setup.
After de-energizing and energizing the unit the calendar clock is re-set. This situation is signaled by the
flashing wording SET RTC and by the flashing TEST LED.
MENU REAL – TIME CLOCK SETUP
PARA.
Hou
Min
Sec
dAt
Mon
YEA
FUNCTION
Hours
Minutes
Seconds
Day
Month
Year
RANGE
0...23
0...59
0...59
0...31
0...12
00...99
DEFAULT
12
00
00
1
1
06
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13.0 OUTPUT DATA / TESTS / REMOTE CONTROL
13.1 DISPLAY OF STATISTICAL DATA
The TL101 unit records a series of statistical data (operating times, operation counters, etc.) which are
stored in a retentive memory even when the unit is de-energised.
To access the statistical data follow the procedure below:
•
+
•
•
•
Each datum is shown by an acronym occupying both displays.
To view the value of the corresponding datum the line 2 ‘SCROLL’ key. Both displays will show the
numeric value of the 6-digit datum. After 3 seconds the acronym will be displayed again.
For times shorter than 10000 hours, hours and minutes are displayed in the hhhh.mm format. Only
hours are displayed beyond this value.
•
•
•
•
•
Press the line 1 ‘SCROLL’ key and the line 2 ‘SCROLL’ key
together for 5 consecutive seconds starting from any operation mode.
The different data variables available may be selected using the line 1
‘SCROLL’ and the line 1 ‘ON/OFF’ key.
Press the OFF – RESET key to exit the function. operating mode will not be
changed.
The operating times are identified by a cipher starting with letter t, while counters with C.
A set of data may be cleared by pressing the line 1 ‘ON/OFF’ key for 5 seconds (CLEAR is
displayed).
All times or all counters will be cleared, depending on the position from where the clear operation is
performed.
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The following table lists the statistical data available.
STATISTICAL DATA TABLE
DATUM
ACRONYM
DESCRIPTION
t.L1 Loa
t.L2 Loa
t.no Loa
t.L1 PrE
t.L2 PrE
t.L1 AbS
t.L2 AbS
t.totAL
C.L1 Aut
C.L2 Aut
C.L1 Man
C.L2 Man
C.L1 Fau
C.L2 FAu
C.On OFF
Total time for load connected to line 1 (line 1 circuit breaker closed)
Total time for load connected to line 2 (line 2 circuit breaker closed)
Total time for load disconnected from both lines (both circuit breakers open)
Total time for line 1 present (within limits)
Total time for line 2 present (within limits)
Total time for line 1 absent (off limits)
Total time for line 2 absent (off limits)
Total time for TL101 operation
Count of number of operations (closing) -line 1 circuit breaker in automatic mode
Count of number of operations (closing) -line 2 circuit breaker in automatic mode
Count of number of operations (closing) -line 1 circuit breaker in manual mode
Count of number of operations (closing) -line 2 circuit breaker in manual mode
Count of number of failed operations - line 1 circuit breaker (alarm A03)
Count of number of failed operations - line 2 circuit breaker (alarm A04)
Count of total number of Tl101 energizing -de-energizing cycles
13.2 ALARMS
When an alarm event occurs, the TL101 either shows a code on the displays or lights up a dedicated LED.
•
•
•
•
•
For non-retentive alarms, the indication disappears automatically when the alarm conditions stop,
while for retentive alarms a manual reset is needed from the unit front panel: this is done by
pressing the OFF / RESET key (and then shifting to OFF mode).
The presence of any alarm is signaled by the relevant flashing ALARM LED illuminating.
In the presence of an alarm, both the global alarm output (ALA) and the TL101 ready output (rdy)
are de-energized.
An alarm can be disabled by programming to OFF the parameter defining its threshold or the
programmable input generating it.
The following table lists the possible alarms and their meanings. The RET column specifies if the
alarm is retentive, while the MODE column indicates the operating modes (OFF - MANUAL - AUTO
- TEST) where the alarm is enabled.
ALARM CODE TABLE
CODE
A01
A02
A03
A04
A05
A06
A07
A08
A09
LED
LED
DESCRIPTION
Battery voltage too low
Battery voltage too high
Line 1 circuit breaker timeout
Line 2 circuit breaker timeout
Line 1 wrong phase sequence
Line 2 wrong phase sequence
Load not powered timeout
Generator not available
Emergency
Withdrawn Line 1 / 2 circuit breaker withdrawn
Trip Line 1/ 2 circuit breaker protection intervention
RET
MODE
OMAT
OMAT
AT
AT
OMAT
OMAT
AT
OMAT
OMAT
AT
AT
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A01 - A02 - Battery voltage beyond threshold for a time exceeding the time set.
A03 - A04 - The changeover device did not perform the opening or closing operation within the maximum
time set. After alarm tripping, the opening or closing command is inhibited. If motorised circuit breakers are
used, alarms are tripped only if at least one of the two power sources is present, i.e. if it is higher than the
minimum thresholds programmed.
A05 - A06 - The phase sequence recorded does not correspond to the one programmed.
A07 - The load remained de-energized for a time exceeding the one programmed by P2.11, either because
supply lines were not available or because both circuit breakers remained open.
A08 - Can be generated by the opening of the external ‘generator not ready’ input or when, after having
started the generator, the voltage does not become acceptable within the time specified by P2.11. If the
alarm is generated by the external input then it is not retentive. Otherwise it is retentive and thus must be
re-set using RESET/OFF key. In applications with two generators, A08 is shown on the Line 1 or Line 2
display depending on which generator generated the alarm.
A09 - Alarm generated by the opening of the external emergency input. Both circuit breakers are opened.
LED WITHDRAWN - Generated by the opening of programmable input Withdrawn. The open and close
commands of the circuit breaker concerned are inhibited.
LED TRIP - Generated by the closing of programmable input Trip. The open and close commands of the
circuit breaker concerned are inhibited.
13.3 AUTOMATIC TEST
The Automatic test consists of a generator starting cycle that is executed periodically to check the
efficiency of the generator itself, when TL101 is in AUTO mode.
•
•
The frequency and the duration of the automatic test can be defined by the user. See setup menu
P8 for a more detailed description of all parameters involved in automatic test programming.
The dedicated LED TEST indicates that the automatic test is enabled. It can be activated or
disabled by parameter P8.01 or directly from the front panel (without entering setup programming)
by pushing line 2 SCROLL key and then operation mode TEST key . This operation does not
change the TL101 operating mode.
13.4 DIAGNOSTIC MESSAGE
The TL101 display can show messages to signal the implementation of a function or a particular situation.
•
By pressing one of the keys for measure selection, the diagnostic display is temporarily stopped to
allow to view the measure.
CODE
StA
DESCRIPTION
Generator set startup
Coo
Generator set cooling cycle
FSi
Line failure simulation
—-
Interlock time in progress
toL
Test with load in progress
Set rtc
Calendar clock setup needed
(see P2.23)
Loc
Locked keypad
Unl
Unlocked keypad
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13.5 KEYPAD LOCK
The TL101 keypad can be locked either by means of a programmable input or with a particular procedure
from front keys.
•
•
•
•
•
Once the keypad is locked, it will only be possible to view measures, but not to change operating
mode or to operate manually on circuit breakers. Only the keys for measure selection will remain
enabled.
Any attempt to use the locked keys will cause the word Loc to be displayed.
To lock or unlock the keypad, press the line 1 SCROLL key and, while holding it down, press the
line 2 SCROLL key three times without releasing it at the end.
Release then the line 1 SCROLL key and then press it 5 times, then release both keys.
When the keypad is locked, the display shows the word Loc. Conversely it has been unlocked, the
word UnL would appear.
13.6 REMOTE CONTROL
It is possible to connect TL101 to a PC through its serial interface and to monitor the operation of the
device using a generic SCADA software that supports Modbus protocol.
•
TL101 can be connected directly in peer-to-peer configuration using the RS232 serial interface port
and cable. NOTE RS485 is a non standard interface.
Fig.1: Controller rear terminal connections
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14.0 MECHANICAL DIMENSIONS & CUT-OUTS
Fig.2: Controller dimensions & panel cut-out
15.0 WIRING DIAGRAMS
Fig.3: Motorised circuit breaker control
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Fig.4: Motorised changeover switch control
Cnt
Fi g.5: Contactor control
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Fig.6: RS485 Interface wiring
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