Murphy TTD Series Configurable Fault Annunciator Installation and Operations Manual
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TTD
Series Configurable
Fault Annunciator
Installation and Operations Manual
00-02-0697
2016-02-22
Section 50
In order to consistently bring you the highest quality, full-featured products, we reserve the right to change our specifications and designs at any time. The latest version of this manual can be found at www.fwmurphy.com
.
Enovation Controls has made efforts to ensure the reliability of the TTD System and to recommend safe usage practices in system applications. Please note that in any application, operation and controller failures can occur. These failures may result in full control outputs or other outputs, which may cause damage to or unsafe conditions in the equipment or process connected to the TTD system.
Good engineering practices, electrical codes and insurance regulations require that you use independent external protective devices to prevent potentially dangerous or unsafe conditions. Assume that the TTD system can fail with outputs full on, outputs full off or that other unexpected conditions can occur.
Please read the following information before installing the TTD annunciator.
This installation information is intended for all TTD Series models. A visual inspection of this product before installation for any damage during shipping is recommended.
Disconnect all power and be sure machine is inoperative before beginning installation.
Installation is to be done only by qualified technician.
Observe all Warnings and Cautions at each section in these instructions.
Device shall be wired in accordance with Class I, Division 2 wiring methods.
This equipment is suitable for use in Class I, Division 2, Groups B, C and D hazardous areas.
WARNING
– Explosion Hazard – Substitution of components may impair suitability for Class I, Division 2.
Please contact Enovation Controls immediately if you have any questions.
Table of Contents
Typical Installations for TTD Power and Control Inputs/Outputs ..................................6
– Remote Reset Remote Lockout Select and No-Flow Enable Delay .......... 32
– Tachometer Overspeed Option .................................................................. 37
– Tachometer Underspeed Option ................................................................ 38
Product Description
The TTD product is a solid-state fault annunciator and shut-down control system designed to protect engines, compressors and their associated equipment. The TTD monitors 48 normally open and/or normally closed sensors. Each of the 48 channels can be configured for
Shutdown or Alarm Only. Any channel can be locked out by one of the two Start-Run timers or configured as Class C, ESD or Ignore. The annunciator provides logic for both closing of a fuel valve and grounding of an ignition after a time delay.
Incorporated in the TTD non-volatile memory:
Run Hours/Elapsed Time Meter (hours roll over at 99,999)
Last 10 Shutdowns with associated run hours
Last 4 Alarms with associated run hours
Optional Features (Model Dependent):
Pre/Post lube timed functionality
Tachometer w/ Overspeed and Underspeed setpoints
Lubricator No-Flow detection for up to 4 pulsing proximity switches
Display Head (TTD-H)
The Display Head shows operational and configuration data. Configuration parameters are entered via keypad or transferred using PC and
Mconfig™ software. The operator interface will accept digital inputs directly on the back of the unit. Power is provided to the Display Head via a direct-mounted power supply or a cable connecting to a remote mounted power supply. The display head contains the microprocessor, the Liquid Crystal Display (LCD), the membrane keys for configuring the sensors inputs and the sensor input terminal blocks.
The TTD liquid crystal display annunciates any fault from the sensor channel, displays engine speed and run hours/elapsed time. Other features for the TTD model are: built-in Test Mode to test the sensor circuits without shutting down; Pre-lubrication and Post-lubrication timers; and onboard backup battery to retain the fault display after shutdown on ignition-powered units.
Power Supply
The Power Input and Control Output Terminals are mounted on the Plug-in Power Supply
(PSU-2) or on the DIN Rail Power Supply (PSU-D2). The Power Supply also includes a
RS485/RS232 serial communication port (MODBUS RTU slave) to interface with microcontrollers, PCs, PLCs and/or communication and control systems. The serial communication provides read and write register capability with selectable baud rates up to 38,400 bps.
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All Power Supply models are reverse polarity protected and can be powered by 10-32vdc or
90- 400vdc negative ground CD ignition. An optional Power Supply (PSU-D2) provides for
120vac power/positive ground CD ignition power. Use the PSU-1* Power Supply for Division 1 applications. The TTD annunciator is fully operable with the internal battery. The external DC power enables communications support and turns on the display backlight.
Dimensions
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Installation
Mounting the Unit
The TTD head was designed to be mounted within a weatherproof enclosure. It is intended for mounting in a flat panel. A square mounting hole of 5-1/2 in. (140 mm) and 4 mounting screw holes are needed.
WARNING! Perform the mounting operation with power source off.
Stud Tightening Pattern
The following stud tightening instructions are required to maintain the IP66 rating when installation requires the display to be mounted in an enclosure door exposed to atmospheric conditions.
Stud tightening pattern should be followed:
1. Top left corner
2. Bottom right corner
3. Top right corner
4. Bottom left corner
5. Top center
6. Bottom center
7. Right center
8. Left center
Tighten holding nuts to 9 in. /lbs.
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Installation Diagram for the TTD Display
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Typical Installations for TTD Power and Control Inputs/Outputs
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TTD G-Lead Choke Installation Instruction
IMPORTANT: This installation is recommended when connecting an ignition primary lead to the TTD Annunciator to avoid potential electrical noise problems.
This choke has been specifically selected for the application.
The choke (Murphy part number 50000774) is shipped with each TTD annunciator.
1. Open the choke and lay it on the table.
2. Lay the wire across the inside of the choke as shown.
3. Wrap the wire around the outside of the choke as shown.
4. Wrap the wire back across the inside of the choke as shown.
The wire should lay next to the wire from step 2.
5. While holding the wires, carefully close the choke as shown.
Be careful not to pinch the wire when closing the choke.
NOTE: Keep the wire loops on the outside of the choke as small as possible.
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Backup Battery Replacement
WARNING! Before disconnecting or connecting equipment, switch the power OFF and, if possible, lock it out. Assure the area is in a non-hazardous condition before beginning the installation of any new equipment or repairing existing equipment. Bypassing these precautions may present an environment in which explosive hazards are present. If you are working in a hazardous location, take the appropriate precautions to assure the safety of all personnel and equipment.
The TTD Annunciator contains a Backup Power Battery (shipped loose with the TTD Annunciator) located in the power supply module.
While this battery has a potential life of up to 1 year, it may require replacement. The LOW
BATT icon will appear when the internal backup battery voltage is below 5.0 volts. If the battery is missing or the voltage falls below 4.6 volts, the LOW BATT icon will blink. Replace the battery when the LOW BATT icon displays in the lower left corner.
NOTE: Internal backup battery is not used during normal operation. Backup battery supplies power to operate TTD Annunciator when CD Ignition is the only source of power and it is not operating (Shutdown), or the user supplied +DC power source has been disconnected.
When CD Ignition or DC voltage is present, power is not consumed from the internal backup battery.
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To replace the battery, follow these steps:
1. Remove the Power Supply cover screws (located on the sides of the PSU-2 Power Supply).
2. Carefully unplug the Power Supply from the Display
Module.
3. Turn the Power Supply over to access the Backup Battery compartment.
4. Use caution not to damage other components in the Power
Supply compartment while removing and replacing the Backup
Battery. Suggested replacements for the Backup Battery: 6 VDC,
1300 mAh, Duracell
®
DL223A or Sanyo
®
CRP2 lithium battery, available from Enovation Controls (p/n 00005125).
5. Plug the Power Supply back onto the Display Module and secure the two mounting screws.
6. P ower up the system and resume normal operations.
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Initial Power Up
Power On Self Test (POST)
• The TTD will perform a Power On Self Test (POST) during the initial power up which will check for the following errors (in this order):
Low Device Voltage (code 53)
Crystal Failure (code 54)
Loss of SPI link (code 61)
• If the error is Low Device Voltage (code 53), the unit will go to the PoStErr display after testing for two seconds.
• If the error is Crystal Failure (code 54) or Loss of SPI link (code 61), the unit will reset three times to try to correct the problem. If the error is not corrected within 3 retries, the unit will go to the PoStErr display.
• The PoStErr will be displayed on the TTD as shown below :
• In the event of error code 53, the supply voltage or internal battery voltage to the annunciator will need to be verified and corrected. Once complete, unit can be reset and used for normal operation.
• Fault Code 53 will deny user access to setup menus as this represents a lack of power necessary to access the EEPROM. If the Setup Menu is accessed and a Code 53 becomes active, the user will see Err 53, and the TTD will exit the Setup Menu and return to the last state (running, stopped, etc).
• Fault code 53 will not cause a shutdown during normal operation of the TTD beyond the initial POST test.
• In the event of error codes 53, 54 or 61, which do not clear, the entire unit (TTD and PSU)
needs to be returned to Enovation Controls for evaluation.
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Product Features
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The Display
The TTD annunciator features a static LCD display (A) with backlight (external DC is required).
The operating temperature is between
−40° to +85°C. The applicable icon and number (B, C and D) will be displayed to clarify the display readings or alert the operator to an operating condition.
Display Icons
RUN
– run mode
RPM
– screen value
HOURS
– screen value
TYPE
– channel type configuration
LOW BATT
– low battery warning (displayed if the condition exists)
HISTORY
– alarm or shut-down history
TEST
– test mode
LUBE
– pre-lubrication timer
POSTLUBE
– post-lubrication timer
SHUTDOWN
– stop mode
ALARM
– alarm(s) warning (displayed if the condition exists)
SETPOINT
– edit setpoint value
SETUP
– setup menu(s)
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Front Panel Key Functionality
The operator can interface with the TTD Annunciator in one of two ways. One is via the Front
Panel keypad. The second way an operator can interface is with the Murphy
Mconfig™ software. This provides the user with a Template displaying the TTD Annunciator setup and status by reading the Modbus registers. Set-up selections can be made and the configuration saved to file for future reference. The software is free and can be downloaded from www.fwmurphy.com
TTD Keypad Features
NOTE: Because the keys have more than one function depending on the operational mode the system is in at the time, the following TTD Keypad
Functionality blocks indicate the keypad action seen if that key is pressed.
The LOW BATT icon can show in any mode if the battery charge is low.
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Shutdown Mode
SHUTDOWN indicates the TTD identified a fault condition and alerts the operator with cause of shutdown code.
The current condition on the display indicates the SHUTDOWN icon is on.
Key
Read Hours
Setup/Enter
Up Arrow
Down Arrow
Function
(B) Shows the operation hours for the displayed History record*.
Press and hold the key for 5 seconds to access the Setup Menu: The model number displays (C) and then the
SETUP icon displays (D).
Shows the previous History record
(E)*.
Shows the next History record*.
Reset
Press [RESET] to start the Run Mode.
*When not in the Setup Mode, History contains records for last 10 shutdowns and last 4 alarms.
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Run Mode
The condition on the display indicates the RUN and RPM icons are shown and the ALARM icon may be on.
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Key
Read Hours
Setup/Enter
Timer 0 / Up Arrow
Test / Down Arrow
Reset
Stop
Function
(G) Shows the current operation hours. RUN icon indicates the hour meter is in increment mode.
Press and hold the key for 5 seconds to access the Setup
Menu: The model number displays and then the SETUP icon displays.
Press [TIMER 0] to clear the active displayed timer. For example: B1, B2 and other timers. Also used for exiting or ending test mode operation.
Press [TEST] to enable the Test
Mode timer. Also used for extending or resetting the test timer. (H)
Press [RESET] to reset the active displayed timer.
DO NOT use to reset Test Mode Timer. This reset button will reset all class lockout timers.
Press [STOP] to begin the Shutdown sequence.
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Setup Mode
– Menus
The condition on the display indicates the RUN and SHUTDOWN icons may be on.
Key
Setup/Enter
Up Arrow
Down Arrow
Reset/ESC
Stop
Function
If the unit is in SETUP 0, pressing [ENTER] exits the unit from the
Setup Mode. If the unit is in any other Setup, pressing [ENTER] accesses the submenu for that Setup.
Press [UP ARROW] to navigate to the next menu.
Press [DOWN ARROW] to navigate to the previous menu.
Press [ESC] to exit from the Setup Menu and return to the operational display for the current mode.
If the system is in Run Mode, pressing and holding the [STOP] key for 2 seconds will begin the Shut-down sequence.
Setup Mode
– Edit Settings
The condition on the display indicates the SETUP icon shows, and either the RUN or
SHUTDOWN icons may show.
Key
Setup/Enter
Up Arrow
Down Arrow
Reset/ESC
Stop
Function
Press [ENTER] to exit or advance a Setup menu and save changes.
Press [UP ARROW] to increment the value to the maximum range.
Holding the key accelerates the incrementing action.
Press [DOWN ARROW] to decrement the value to the minimum range.
Holding the key accelerates the decrementing action.
Press [ESC] to exit or advance the Setup Menu without saving your changes.
If the system is in Run Mode, pressing and holding the [STOP] key for 2 seconds will begin the Shut-down sequence.
NOTE: Editing of selected setpoints can be accomplished during run mode. Please note these changes will NOT take effect until unit has returned to a Shutdown state. During the Shutdown state, these settings are written to the EEProm, which stores settings for operation. This
EEProm CANNOT be written to during a Run operation.
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Operational Display Messages
Several messages display during the start-up and run sequence. This tutorial shows the screens that will display as the system starts. With the unit in shut-down state and ready to start, press the [RESET] key. If Class A channels are not faulted and the unit is equipped with the Pre/Post Lube option, the unit goes into the Pre-Lube cycle. If the unit does not have the
Pre-Lube option, it will go to the B1 Timer display.
Lube Timer 5 shows the remaining time on the cycle and the LUBE icon shows on the display. The Pre-Lube cycle can be completed either by the timer reaching zero or by the operator pressing [TIMER
0]. Pressing the [TIMER 0] key will zero the time on the active visible timer only. All other active undisplayed timers will remain the same.
All outputs are in a shut-down state during LUBE TIMER
Once the Pre-Lube cycle completes, the outputs change state, and the B1 and B2 timers start. This display shows TIMER 1 as the remaining B1 time counts down.
If this is a TTD unit with optional Tachometer, the display alternates between the active TIMER and RPM readings. If the TTD unit does not have Tachometer, the active TIMER reading alternates with the
HOURS reading.
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Once the B1 Timer finishes, any time remaining on the B2 timer will show in the display, and the TIMER 2 icon will be visible in the lower right-hand corner of the display.
On TTD models supplied with tachometer, once the B1 and B2 timers have expired, the unit goes to a normal Run Mode. Both the
RUN and RPM icons will be visible, and the display gives the RPM reading. TTD units without the Tachometer display the HOURS reading.
Any conditions such as LOW BATT or ALARM alert the operator by having the icon show on the display. LOW BATT indicates low voltage on the Backup battery and may indicate it is time to replace the battery.
At the detection of a fault, the TTD annunciator starts the shut-down sequence. The ignition delay timer shows the time remaining on the timer before the ignition is grounded or turned off. In addition, the fault channel shows on the left side of the display and flashes.
If the TTD annunciator is equipped with the Pre/Post Lube option and there is time remaining in the sequence, the POSTLUBE icon, and the TIMER 6 icon displays showing the remaining time on the timer.
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When the Post-Lube time counts down, the Fault Channel numeric display moves to the right. The HISTORY icon is visible, and the current shutdown is indicated in the lower right-hand corner by 01.
This is the only time History records are available from the Front panel. History records can be read via the Modbus registers at any time.
The TTD annunciator stores the Shutdown and Alarm History. The last 10 shut-down codes and 4 alarms are stored with the hourmeter reading when they occur. For example, if the unit is shut-down from sensor input 35, the display shows 01 in the lower right-hand corner of the display to indicate the last shutdown, and the SHUTDOWN icon shows.
Press the [UP ARROW] key to see the History of the last 10 shutdowns. For more information, see Accessing Shutdown & Alarm
History.
If this is a TTD unit with Tachometer option and the unit is in the Run
Mode, when the [READ HOURS] key is pressed, the display shows the running hours for 5 seconds. The display then returns to the RPM reading.
Push the [TEST] key to start the Test Timer for up to 5 minutes. The
TEST icon shows in the display. Test Mode allows the operator to simulate faults without the outputs changing state. In Test Mode, all other functions operate normally. Faulted inputs display, but the system is not shut-down, and the ALARM is not turned on. When more time is needed to simulate inputs, the operator can press
[TEST] again for up to an additional 5 minutes of time. Press
[RESET] to reset the fault and then press the [TIMER 0] to exit the
Test Timer. These shutdowns override Test Mode:
- Emergency Shutdown (47,48)
- Overspeed (50)
- Manual Stop (52)
- Underspeed (51)
- Loss of Ignition (49)
- Optional Additional ESD, if chosen as ESD
If Class C functions are used, they will need to be bypassed to test other sensors. When exiting Test Mode with Class C functions, press the [RESET] and [TIMER 0] keys simultaneously.
In an alarm situation, the ALARM icon is turned on, and the alarm point or channel displays. If the unit is equipped with a Tachometer option, the active point or channel alternates with the running hours at the time of the alarm.
If a fault is detected or an alarm occurs, the appropriate fault codes display
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Fault Codes
Fault Codes Description
1-48 Indicates the channel that has faulted or alarmed
49
Loss of Ignition (When the CD ignition falls below 90 VDC
10%, the firmware activates the fault)
50
51
Overspeed
Underspeed
52
53
54
60
Manual Stop
Low Device Voltage (internal diagnostic)
Crystal Failure (internal diagnostic)
Watchdog Timer
61
62
63
Loss of SPI Link (internal diagnostic)
Low DC Voltage (Alarm)
Low Backup Battery (Alarm)
Backlight used as Status Indication
If AC or DC power is connected, the backlight functionality is implemented on Div. 2 power supplies.
Run Mode
– The backlight will be yellow under this condition.
Shutdown Mode
– The backlight will turn red under this condition. When a shut-down fault is detected, the backlight will blink. The backlight blinking continues for 5 minutes and can be aborted if the user presses any key. After 5 minutes, the backlight stays red. During manual shut-down sequence, the backlight will be red.
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Configuration / Setup of the TTD Annunciator
Navigating the TTD Front Panel
The TTD Annunciator can be set up by using the Front Panel. The Setup Mode can be entered from either RUN or SHUTDOWN. However, settings can only be changed when the
SETUP icon is blinking.
(A) [SETUP or ENTER] key
(B) [UP ARROW] key
(C) [DOWN ARROW] key
(D) [ESC] escape key
(E) Timer information
(F) Sensor types
(G) Setup numbers
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Entering Setup Mode
To enter the Setup Mode, press the [SETUP/ENTER] key and hold until the display shows HOLD. Continue to press the
[SETUP/ENTER] key until the model number is displayed.
The HOLD display counts down for 6 seconds, shows the model number for 3 seconds and then shows SETUP 0 to indicate the unit is in Setup Mode.
Press the [UP ARROW] or [DOWN ARROW] key to move through the Setup values.
After selecting a different Setup to view, press the [SETUP/ENTER] key to display the current configuration of that set up value.
To change a setting, press [SETUP/ENTER] again to access the menu choices.
Enter changes by using the [UP ARROW] or [DOWN ARROW] key.
The only time a new value can be entered is when the Setup icon is blinking.
Press the [SETUP/ENTER] key again to save the new value. The display will show SAVE for a few seconds and then return to the
Setup menu.
To exit without saving the change, press [ESC]. Press [ESC] again to exit from the Setup Mode completely. The display will show ESC and then return to the operational screen.
Access During Run and Shutdown
Setup menus and settings can be viewed during RUN or SHUTDOWN, but most menus cannot be changed while in Run Mode. To assure changes can be made, access Setup menus while in Shutdown Mode. Press and hold the [SETUP/ENTER] key for 6 seconds to enter the
Setup Mode. The display shows HOLD while the seconds count down.
When the countdown completes, the TTD annunciator is in Setup Mode. The unit model message displays for about 3 seconds before the SETUP 0 message shows. At this point, use the [UP ARROW] key to increment to another Setup Mode.
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Password Protected Settings
Some settings are password protected. If a password is required to change a setting, CODE 00 displays indicating a numeric password should be entered (M). If an incorrect password is entered, ERROR (N) displays for a few seconds, and then the CODE 00 (M) notation returns to the display.
The password will only need to be entered once during any editing session. The password is reset when the editing session is exited or is timed-out due to keypad inactivity. Entering a code 0, allows read-only access to
Setup menus.
Use the [UP ARROW] and/or [DOWN ARROW] keys to enter the numeric password specific to that TTD annunciator.
Inactivity Time Out
Set up procedures need to be started and completed in a timely manner.
If the TTD annunciator is in any Setup Mode, the display function returns to the previous level of entry if there are no key presses within 30 seconds. For example, the
TTD annunciator is in SETUP 3 (O), channel 25 is selected and the choice of Sensor Type is displayed (P).
After 30 seconds of keypad inactivity, the TTD returns to
SETUP 3 (Q).
If another 30 seconds pass with no keypad activity, escape is activated, and the unit returns to the operational screens.
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Setup 1
– Timer Setup
This manual explains Setup values in order starting with
SETUP 1. However, once the SETUP icon is blinking, the [UP ARROW] or [DOWN ARROW] keys can be used to increment to any Setup option. Once the option is reached, press the [SETUP/ENTER] key to access the adjustments for that Setup.
All timers are configured in SETUP 1. (R) When the
SETUP icon is blinking, press the [SETUP/ENTER] key to reach the specific timer to be set. (Setup icon should blink about once a second.)
Use the [UP ARROW] or [DOWN ARROW] keys to change the configuration. Once the change is completed, press the [ENTER] key to save the changes.
The unit will display SAVE (S) for few seconds, and then move to the next timer.
If a change is made and the [ESC] key is pressed, the TTD moves to the next timer without accepting the change. If no changes were made to the setting, press the [ESC] key to return to
SETUP 1, or press [ENTER] to move to the next timer.
Continue to press [ENTER] to move through all timers and review values or make changes to values as necessary.
Timer 7 Delay Before No-Flow Shutdown
When an internal input detects a No-Flow condition, the
Channel number that detected the condition is displayed along with Timer 7 and its countdown.
(T) Shows the Timer 7 display during No-flow delay before shutdown.
(U) Shows Setup 1
– Timer 7 menu.
Timer 7 will not be armed until Timer 1 has expired.
During Timer 1 countdown, the channels enabled as No-
Flow (CH41 - CH44) will be ignored.
Setting Timer 7 to zero (Ø) will cause an immediate shutdown when Timer 1 has expired, if No-Flow is detected on any of the four enabled channels.
To enable or disable the No-Flow function use SETUP 4b thru 4E.
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The active timer is indicated by the TIMER icon (A), timer number (B) and numeric display (C).
Timer
Timer 1
Timer 2
Timer Class
Class B1
Class B2
Timer 3
Timer 4
Test
IGN GND
Timer 5*
Pre-lube
Timer 6*
Post-lube
Timer Range
0 to 5 minutes
0 to 10 minutes
0 to 5 minutes
0 to 20 seconds
0 to 5 minutes
0 to 10 minutes
Timer 7**
Delay Before No-Flow Shd. 0 to 10 minutes
* When timer is set to zero (0), the Timer’s feature is disabled or turned off.
** Delay-Only Timer: it does not enable or disable No-Flow functionality.
NOTE: During Run Mode if more than one Timer is active at the same time, the
Timers will be displayed by the TTD in the following priority:
1. Timer 3
2. Timer 1
3. Timer 2
4. Timer 7
Timers not active during the Run Mode will not occur at the same time.
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Setup 2
– Sensor Mode
(D) SETUP 2 is a feature that offers choices for predetermined configurations of sensor class to input channel. These choices can emulate an existing annunciator being replaced or configure a new installation by using the closest template. Units from the factory are set to an Emulation Template default of 1 with all inputs set to Class A.
Once the unit is in Shutdown Mode, enter SETUP 2 and choose from one of the eight pre-configured Emulation
Template Settings or chose 0 and configure each individual sensor channel per your specifications/ requirements. Review the template settings in the first column of the Emulation Table and enter that number to select the template. (F)
Emulation Table
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After selecting and saving a template, any channel can be reconfigured by changing a single channel in SETUP
3. To do this, return to SETUP 2 and enter 0 as the template setting (G). The point on the template originally selected is not changed with this action. Next, go to SETUP 3 and change channels, as necessary, to the preferred configurations.
Terminals 45 & 46 are enabled in SETUP 4 for Remote
Reset and Remote Lockout functionality. If they are not enabled, they can be configured the same as the other channel. If they are enabled, they will override any previous setting. Remote Reset can only be used in terminal 45, and Remote Lockout can only be used in terminal 46.
Terminals 47 and 48 are defaulted to Class ESD. This means they will override the Test function and
Shutdown the unit. The functionality on these channels can be changed, if desired.
When Template 20 is selected (H), the channel assignments will duplicate the DD20. Remaining channels are configured as inactive but can be modified in SETUP 3 once SETUP 2 is set to 0. This also applies to Template 40; with the exception of channels 50 to 57 that are assigned to TTD terminals 1 to 8.
If Template 20 or Template 40 is used in a unit without the tachometer option, the overspeed channel must be configured.
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TTD Terminal Block Configuration NO/NC for DD-20
TTD Terminal Block Configuration NO/NC for DD-40
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Setup 3
– Sensor Type
Unit must be in Shutdown Mode to edit.
Individual sensor channel can be changed in SETUP 3 (A). As shown in the Sensor Types table, any channel can be set to one of the 11 available configurations. SETUP 2 must be set to 0 to make any changes in SETUP 3.
1. Press [SETUP/ENTER].
2. Use the [UP ARROW] key to increment and change the Channel number.
3. Press [SETUP/ENTER].
4. Use the [UP ARROW] key to select the Type (B).
5. Press [SETUP/ENTER] to SAVE the changes.
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Sensor Types
0
Class A
1
Class B1
2
Class B2
3
Class C
4
Class A Alarm
5
Class B1 Alarm
6
Class B2 Alarm
7
Class C Alarm
8
ESD
9
Ignore (Disabled)
10
Special Lockout*
11
Remote Reset**
12
Remote Lockout**
13
No-flow**
* Special Lockout is a fixed 5-minute timer. This timer starts at the same time as the B1 and B2 timers. While timing, the channel assigned this type is locked out. Unlike the B1 and B2 timers, this timer cannot be reset or zeroed while the unit is running. The timer is reset only after shutdown or normal stop.
Up to 48 dry contact sensor inputs or Murphy device transistor outputs can be connected to the TTD via a terminal block with 48 pair, screw type, each with a jumper for N.O. (Normally
Open) or N.C. (Normally Closed) configuration.
** Settings represented as numbers for placeholders only. These values can only be set through other menu options in the TTD.
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Setup 4
– Remote Reset Remote Lockout Select and No-Flow Enable Delay
Press the [ENTER] key to read SETUP 4A. Press a second time to read SETUP 4B.
(D) Use SETUP 4A to set the Remote Reset/Remote
Lockout configuration of preselected channels 45 and
46.
(E) Remote Reset and Lockout are enabled by this setup and will override any template setting. When the
Remote Reset feature is enabled, a closed contact on channel 45 resets the TTD annunciator in the same manner as when using the [RESET] key.
Limit close duration to 1 second. On models with lube option, Remote Reset will start the Prelube timer.
The Remote Lockout feature resets and inhibits the Class B1, B2 and C timers and fault inputs. Any faults configured as B1, B2 or C are ignored when channel 46 is an open contact.
When the contact is closed, the timers will be allowed to time and arm the faults. This feature is intended to be used with automatic start/stop signals, typically connected to a run confirmation signal to enable the faults after running. Upon an auto-stop, the Remote Lockout should be re-activated by opening the channel 46 contact, until the next start auto-start signal.
With the unit running and an open contact on channel 46, the display will flash and display the
B1 timer. On units with Tachometer, the display will flash and alternate between RPM reading and B1 timer.
Configuration Settings
0
Disabled
1
Remote Reset assigned in the CH45 (fixed)
2
Remote Lockout assigned in the CH46 (fixed)
*3
Remote Reset assigned in the CH45 (fixed) and Remote Lockout assigned in the
CH46 (fixed)
* If Remote Reset and Lockout are used simultaneously on models with Lube option, Prelube timer is only activated if the unit is faulted or in Manual Stop and receives the Remote Reset signal. The Remote Lockout signal only inhibits the Class B1 and B2 timers. Therefore Prelube timer is skipped if the system is already reset when the Remote Lockout is released.
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No-Flow Switch Transition Time
Use SETUP 4b through 4E to set No-Flow switch transition times.
Digital input channels 41 to 44 can be configured for detecting a transition of the switches on a divider block of a compressor system. The channels are scanned to determine if a transition has occurred in an acceptable time. The time range settings are from 0 to 59 seconds. (The default setting is zero.)
(G) SETUP 4b is the No-flow screen for CH41
(H) SETUP 4C is the No-flow screen for CH42
(I) SETUP 4d is the No-flow screen for CH43
(J) SETUP 4E is the No-flow screen for CH44
Setting the value to 0 (zero) on any channel will disable the No-flow function for that channel and allows
SENSOR MODE (SETUP 2) or SENSOR TYPE
(SETUP 3) to determine the Sensor channel functionality.
A non-zero value enables No-flow function for that channel and defines the timeout for the channel.
Enabling No-flow function overwrites the channel
SENSOR TYPE or SENSOR MODE configuration
(reserves the channel only for No-flow use).
The Test Mode will be ignored if the No-flow is enabled for the channel.
Because these inputs are always in transition, the channels are always tested for open and close.
NOTE: Use SETUP 1 to configure (TMR7) Timer
7 delay before No-Flow shutdown.
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Setup 5 - Hourmeters
(K) This setup is for reading and/or resetting the hourmeter. There are two separate hourmeters:
Hourmeter 5A can be reset.
Hourmeter 5b is the TTD internal hourmeter and keeps track of total RUN HOURS.
(L) 5A Hourmeter Setting. Range 0 to 99999 hrs. (This hourmeter can be reset.)
(M) 5b Product Life Timer. Range 0 to 99999 hrs. (11.41 years non-stop. This hourmeter cannot be reset.) The
Product Life Timer reading can also be accessed through the Modbus or via the Setup menu.
NOTE: The hourmeter registers are in the display head not in the power supply and are not reset by changing the power supply.
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Setup 6
– Speed Calibration
The optional Tachometer functionality is configured in
SETUP 6 (N).
Pulses per Revolution is calibrated as follows:
Press [SETUP/ENTER] to reach SETUP 6A (O).
Pressing [SETUP/ENTER] a second time increments the display to 6b.
SETUP 6A is the Pulses per Revolution Setting. Speed input can be either Magnetic pickup (MPU) or CD Ignition
Primary Signal (IGN). The range is .5 to 450. Use the
[UP ARROW] or [DOWN ARROW] keys to reach the desired setting. Use Settings .5-16.5 with ignition input for speed, and settings 17-450 for magnetic pickup input (10 kHz max frequency input).
In the Conversion Table, the number of cylinders and cycles of the engine determine the number of pulses per revolution for ignition input. Divide the number of cylinders by 2 for split capacitor ignitions. Multiply the number of cylinders by 2 for throwaway spark ignitions.
Conversion Table
Cylinders Cycles Pulses
1
2
2
2
1
2
2
3
4
4
5
6
6
4
2
2
4
2
2
4
1
3
4
2
5
6
3
8
8
10
12
16
2
4
4
4
4
8
4
5
6
8
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SETUP 6b (Q) is the RPM Filter Enable and Loss of
Ignition selection and setting. Use the [UP ARROW] or
[DOWN ARROW] keys to select a value. Choose a setting from the Loss of Ignition Shutdown and RPM
Filter Table to choose a monitoring combination.
Value
0 (default)
1
2*
3*
Loss of Ignition
Shutdown
Enabled
Disabled
Enabled
Disabled
RPM Filter
Disabled
Disabled
Enabled
Enabled
* If the TTD unit does not have the Tachometer option, only the 0 and 1 values are available.
Loss of Ignition Shutdown is a Class C function that can be armed only after the B1 Timer
(TMR1) expires. When enabled and B1 Timer has expired, CD Ignition must be present (above
90VDC) for at least 15 seconds to arm the Loss of Ignition function. After being armed if CD
Ignition falls below 90VDC for at least 15 seconds, the Shutdown sequence will begin, and code 49 will be displayed. (See Fault Code table on page 19.)
NOTE: The tolerance of the CD Ignition voltage detection is ±10%. The arming and shutdown delay of 15 seconds is not adjustable.
RPM filter allows for a DEBOUNCE time before a loss of ignition, underspeed or overspeed shutdown occurs. The filter (when enabled) will take 3 more RPM readings (typically 500mS) once the threshold for shutdown has been achieved. If after these 3 attempts, the shutdown is still valid, a shutdown will occur. If the RPM reading has re-established at a valid state, the unit will remain running.
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Setup 7
– Tachometer Overspeed Option
Fault Code 50. (See Fault Code table on page 19.)
(A) Use SETUP 7 to adjust the Overspeed Setting. The range is 0 to 5000 RPM.
(B) Press [ENTER] to view the Overspeed setting.
To change the setting, use the [UP ARROW] or [DOWN
ARROW] keys to reach the new Overspeed setting and press [ENTER] to save the change.
NOTE: Overspeed is a Class A Type Shutdown and is not locked out or testable during Test Mode.
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Setup 8
– Tachometer Underspeed Option
Fault Code 51. (See Fault Code table on page 19.)
(C) Use SETUP 8 to adjust the Underspeed Setting. The range is 0 to 5000 RPM.
(D) Press [ENTER] to view the Underspeed setting.
To change the setting, use the [UP ARROW] or [DOWN
ARROW] keys to reach the new Underspeed setting and press [ENTER] to save the change.
NOTE: Underspeed is locked out by the B1 Timer (Timer 1). Underspeed will not cause a fault until the B1 timer expires.
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Setup 9
– Communication Settings
(E) Use SETUP 9 to select ports, characteristics and communication values for remote devices. Use the [UP
ARROW] and/or [DOWN ARROW] to reach setting.
(F) This is the RTU (Remote Terminal Unit) setting. The range is 1 to 99 (Node number).
(G) This is the Port selection. There are two choices:
0
– RS485
1
– RS232
(H) This is the Baud rate selection. There are five choices:
0 - 9600,N,8,1
1 - 9600,N,8,2
2 - 19200,N,8,1
3 - 19200,N,8,2
4 - 38400,N,8,1 (only if the pulses/rev setting is greater than 16.5)
5 - 38400,N,8,2 (only if the pulses/rev setting is greater than 16.5)
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Setup A
– Output Mode
Upon Shutdown, the FV- (Fuel Valve minus) and the
RLY (Relay) terminals change state and either conduct to ground or open to ground. The change of state depends on the configuration of SETUP A.
There are four choices (terminals are shown in shut-down state):
Output
Mode
0
Shutdown Mode
IGN
Kill RELAY FV- ALR
Closed - alarm event
Closed Closed Closed
Open - no event
1 Open* Open Open
Closed - alarm event
Open - no event
2
3
Closed Closed Open
Closed - alarm event
Open - no event
Open* Open Closed
Closed - alarm event
Open - no event
AUX
Open
Open
Open
Open
Table Note: Closed indicates a closed-to-ground state and open indicates an open-to-ground state when the TTD unit is in Shutdown Mode.
Open* -- These outputs do not change state during a run mode
— they remain open. Typically used with IGN as a speed input only and the application does not require grounding ignition on a unit fault.
Use the [UP ARROW] or [DOWN ARROW] key to select the Output Mode setting. Press [ENTER] to save the setting.
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Setup B
– Unit Identification (ID)
(L) This function enables the operator to assign a sixdigit number.
Use the [UP ARROW] arrow key to increment to the
SETUP B option.
(M) Press [SETUP/ENTER] to access the Prefix screen and the [UP ARROW] or [DOWN ARROW] keys to set the Prefix ID. The Range is 0 to 99.
Press [ENTER] to save the selection and the (N) Suffix
ID screen displays. Use the [UP ARROW] or [DOWN
ARROW] keys to set the Suffix ID. The range is 0 to
9999.
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Setup C
– Factory Default
(A) This option returns all settings except the Product
Life Time register back to the default Factory settings.
Use these instructions to return the TTD unit to the original factory defaults:
1. Enter the correct numeric password. (B)
2. Use the [UP ARROW] key to set the value to 1 (C).
3. Press the [SETUP/ENTER] key to save the change.
The screen display returns to SETUP C.
4. Press the [DOWN ARROW] to reach SETUP 0.
5. Press [ENTER]
6. The EEPR screen displays to verify the factory defaults have been reinstated. (D)
CAUTION: Executing SETUP C resets all settings, registers and hours. Shut-down and alarm histories will also be erased.
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Voltage Readings
(E) The internal backup battery, external DC and ignition voltage readings are available in the VOLT menu after SETUP C. These readings are updated approximately every 4 seconds and are read-only.
Press the [ENTER] key to view each of the readings:
- Internal Backup Battery voltage (F)
Press the [ENTER] key to set the Internal Backup
Battery Low Voltage Alarm. Press the up/down arrow keys to enable (1), to disable return to 0. Press
[ENTER].
- External DC (G)
Press the [ENTER] key to set the External DC
Low Voltage Alarm. Press the up/down arrow keys to the desired voltage. Press [ENTER].
- Ignition Voltage peak (H)
If the ignition is wired to the TTD unit.
If Internal Backup Battery, External DC and CD Ignition are connected and operational, power for the TTD
Annunciator has the following priority:
1. External DC is used unless voltage falls below
9VDC.
2. CD Ignition is used unless peak voltage falls below 90VDC.
3. Internal Backup Battery is used when no other voltage is present.
NOTE: The TTD Annunciator will operate normally under Internal Backup Battery power except communication functions and backlight will be disabled.
If Underspeed and/or Loss of Ignition are enabled, the TTD may shut down when
CD Ignition is not present. The tolerance for CD Ignition detection is ±10%.
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Software Version
The Version menu (I) offers a quick and easy way to check the firmware versions in the TTD components.
To verify the current firmware, press [ENTER] to access the Version SETUP H or SETUP P. Press [ENTER] the first time to view SETUP H. Pressing [ENTER] a second time reaches SETUP P.
SETUP H indicates the software version in the Display
Head. In this sample (J), the version is 8.0. (Read 8 point 0)
SETUP P indicates the software version in the Power
Supply. In this sample (K), the version is 8.2. (Read 8 point 2)
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Communications
Communications Port
A single bi-color (GREEN/RED) LED will be provided to give visual indication of active transmit and receive traffic.
Interface: Factory configured for RS485; field-selectable for RS232 or RS485
Baud/Configuration: 9600, 19.2K, 38.4K (*); N,8,1;N,8,2 half-duplex communication (set-up configuration is in SETUP 9)
Protocol: Modbus RTU Slave (*)
(*) The TTD responds to Modbus RTU Read Holding Registers request (Function Code 03).
Reads can be up to 50 registers per request. An attempt to read over 50 will return an exception code. When the TTD is on the same RS485 network with other devices, a minimum
125mS poll delay must be used between each device on the network or time outs will occur from the TTD. The Modbus RTU master should be configured to use retries on the TTD, and typical timeout setting for the TTD should be 500mS or greater.
Connection: There will be 2 screw terminals provided for RS485.
These will be printed or labeled as A and B. A is the non-inverting (+) signal. B is the inverting
(-) signal.
There will be 3 screw terminals provided for RS232.
These will be printed or labeled as RX, TX and GND. RX is the receive signal, TX is the transmit signal and GND is the signal ground reference.
(*) 38.4K Baud will not be available when IGN input is selected as the source for RPM calculations. When MPU is selected, this feature is available for selection.
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Modbus Register Address Listings
40,016
40,017
40,018
40,019
40,020
40,021
40,022
40,023
40,024
40,025
40,026
40,027
40,028
40,029
Address Description
40,001
40,002
40,003
40,004
RPM
ETM
(Elapsed Time Meter 0-65535 Hrs.)
Class B1 Timer
(secs.)
(*)
40,005
40,006
40,007
40,008
Shutdown Code
Output Status Bit Map
Bit 0
– Ignition
(1 ground, 0 ungrounded)
Bit 1
– Fuel Valve
(1 ground, 0 ungrounded)
Bit 2
– Alarm
(1 ground, 0 ungrounded)
Bit 3
– Pre/Post Lube
(1 ground, 0 ungrounded)
Bits 4, 5, 6 and 7
– N/A
Inputs 1-16 Status Bit Map
Inputs 17-32 Status Bit Map
Inputs 33-48 Status Bit Map R
40,009
40,010
40,011
40,012
40,013
40,014
40,015
Class B2 Timer
Test Timer
PreLube Timer
PostLube Timer
No-Flow Timer
TTD-H SPI
(secs.)
(secs.)
Ignition Ground Timer
(secs.)
(secs.)
(secs.)
(secs.)
(diagnostic use only)
40,030
40,031
40,032
40,033
40,034
PS-TTDH Sync. Flag
TTD-P SPI
(diagnostic use only)
Battery Voltage x10
External DC Voltage x10
Ignition Voltage x10
B1 Timer Setting (TMR1)
B2 Timer Setting (TMR2)
Ignition Timer Setting (TMR4)
PreLube Timer Setting (TMR5)
PostLube Timer Setting (TMR6)
Sensor Mode Setting
Input Type #01
Input Type #02
Input Type #03
Input Type #04
Input Type #05
Input Type #06
Input Type #07
Input Type #08
Type Min Value Max. Value Default Value
R
R
R
R
-
-
-
-
-
-
-
-
-
-
-
-
R
0
0
0
0
0
0
0
0
0
0
0
0
-
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
R
R/W**
R/W**
R/W**
R/W**
R/W**
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R
R
R
R
R
R
R
R
R
R
R
R
R
R
- -
-
300
599
20
300
599
40
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10
10
10
10
10
-
-
300
599
3
300
599
1
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
(*) Hours greater than 65535 will rollover to 0. This is a 16-bit limit of the register; however, the TTD supports up to 99,999 hours.
* Only accept Modbus write register(s) during Shutdown Mode.
** Accept Modbus write register(s) during Run and Shutdown Modes.
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Modbus Register Address Listings (continued)
Address Description
40,035
40,036
40,037
40,038
40,039
40,040
40,041
40,042
40,043
40,044
40,045
40,046
40,047
40,048
40,049
40,050
40,051
40,052
40,053
40,054
40,055
40,056
40,057
40,058
40,059
Input Type #09
Input Type #10
Input Type #11
Input Type #12
Input Type #13
Input Type #14
Input Type #15
Input Type #16
Input Type #17
Input Type #18
Input Type #19
Input Type #20
Input Type #21
Input Type #22
Input Type #23
Input Type #24
Input Type #25
Input Type #26
Input Type #27
Input Type #28
Input Type #29
Input Type #30
Input Type #31
Input Type #32
Input Type #33
40,060 Input Type #34
40,061 Input Type #35
40,062 Input Type #36
40,063 Input Type #37
40,064 Input Type #38
40,065 Input Type #39
40,066 Input Type #40
40,067 Input Type #41
40,068 Input Type #42
40,069 Input Type #43
40,070 Input Type #44
40,071 Input Type #45
40,072 Input Type #46
40,073 Input Type #47
40,074 Input Type #48
40,075 Remote Reset / Remote Lockout Setting
40,076 Hours Setting
40,077 Pulses Per Revolution Setting x10
40,078 RPM Filter/Loss of Ignition Setting
40,079 Overspeed Setting
40,080 Underspeed Setting
40,081 Output Mode Setting
40,082 ID- Prefix
40,083 ID- Sufix
40,084 Password
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
Type Min Value Max. Value Default Value
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10 0
R/W*
R/W*
R/W*
R/W*
R/W*
R/W*
R/W**
R/W**
R/W*
R/W**
R/W**
R/W**
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
10
10
5000
5000
3
99
9999
99
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
3
65535(*)
4500
3***
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
(*) Hours greater than 65535 will rollover to 0. This is a 16-bit limit of the register; however, the TTD supports up to 99,999 hours.
* Only accept Modbus write register(s) during Shutdown Mode.
** Accept Modbus write register(s) during Run and Shutdown Modes.
*** Range is 0 to 1 for non-Tachometer models. (See SETUP 6 - SPEED CALIBRATION section for details).
0
0
60
0
1000
100
0
0
0
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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Modbus Register Address Listings (continued)
Address Description
40,085
40,086
40,087
40,088
Test Timer Setting (TMR3)
Life Timer
TTD-H Firmware x10
PSU-X Firmware x10
PSU Type
120 - Base Model + No Flow
121 - Base Model + Tach + No Flow
122 - Base Model + Lube + No Flow
40,089
40,090
40,091
40,092
40,093
40,094
40,095
40,096
40,097
40,098
40,099
40,100
40,101
40,102
40,103
40,104
40,105
40,106
40,107
40,108
40,109
40,110
40,111
40,112
40,113
40,114
40,115
40,116
40,117
40,118
40,119
40,120
40,121
40,122
40,123
40,124
40,125
40,126
40,127
40,128
123 - Base Model + Tach + Lube + No Flow
124 - Base Model
125 - Base Model + Tach
126 - Base Model + Lube
127 - Base Model + Tach + Lube
OSC Calibration
PSU Power-up (PUR or WDT)
PSU Update History Shutdown Data
No-Flow Timer Setting (TMR7)
CH41 TON/TOFF
CH42 TON/TOFF
CH43 TON/TOFF
CH44 TON/TOFF
Low DC Voltage Alarm
Low Backup Battery Alarm
N/A
SD History #1
ETM @ SD1
SD History #2
ETM @ SD2
SD History #3
ETM @ SD3
SD History #4
ETM @ SD4
SD History #5
ETM @ SD5
SD History #6
ETM @ SD6
SD History #7
ETM @ SD7
SD History #8
ETM @ SD8
SD History #9
ETM @ SD9
SD History #10
ETM @ SD10
Alarm History #1
ETM @ AL1
Alarm History #2
ETM @ AL2
Alarm History #3
ETM @ AL3
Alarm History #4
ETM @ AL4
Type Min Value Max. Value Default Value
R/W**
R
R
R
-0
-
-
-
300
-
-
-
300
-
-
-
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W**
R/W*
R/W*
R/W*
R/W*
R/W**
R/W**
R
R
R
R
R
R
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
-
-
0
0
0
0
-
-
-
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
59
59
59
32
1
-
-
-
-
-
599
59
-
-
-
-
-
* Only accept Modbus write register(s) during Shutdown Mode.
** Accept Modbus write register(s) during Run and Shutdown Modes.
*** Range is 0 to 1 for non-Tachometer models. (See SETUP 6 - SPEED CALIBRATION section for details).
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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Section 50
2016-02-22
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00-02-0697
Specifications
Power Requirements
PSU-2: 10-32VDC, 10W (max); 90-400VDC CD Ignition, 750uA @ 100VDC (max)
On-Board Backup Power: Lithium battery, 6 VDC, 1300 mAh
Digital Inputs: 48 (a.k.a. Channels)
Sensor Types: Discrete Input, N.O. / N.C., non-incendive (with use of PSU-2)
Magnetic Pickup Input
One Magnetic Pickup Sensor Input: 3.6 - 120 VAC, 2-10 kHz
Outputs
IGN: 0.4A @ 400VDC (*) for 5 seconds
RLY: 0.5A @ 48VDC cont. duty
0.15A @ 400VDC (*) cont. duty
FV- : 0.5A @ 400VDC (*) cont. duty
ALR: 0.5A @ 48VDC cont. duty
AUX: 0.5A @ 48VDC cont. duty
(*) CSA approval for 250VDC maximum
Operator Interface
Display Type: LCD, Static, 80 segment, custom text with LED Backlight
Display Viewable Area: ~ 2.79 x 1 in. (71.04mm x 25.4mm)
Display Contrast: Automatic
Display Backlight: Yellow (Normal Operation), Red (Shutdown)
(Backlight will only be available when unit is powered by DC or AC.)
Voltage Level Monitor: Monitor and display voltage level of DC Supply, CD Ignition and internal battery
Keypad: 6 switches: Ridge Embossed, Metal Dome, Tactile 14 Oz. Trip Force
Enclosure Cutout: 5.50 x 5.50 inches (133 mm)
Operating Temperature: -40 to +85 degrees C
Viewable Temperature: -40 to +85 degrees C
Storage Temperature: -40 to +85 degrees C
Tachometer Accuracy: ±0.5% of the display reading or ±1 RPM, whichever is greater
Resetable Hourmeter Range: 0 to 99999 hrs.
Non-Resetable Hourmeter Range: 0 to 99999 hrs.
Hourmeter Accuracy: ±1 hour per year
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Specifications (continued)
Communication Port
A single bi-color (GREEN/RED) LED is provided to give visual indication of active transmit and receive traffic
Interface: Factory configured for RS485; field-selectable for RS232 or RS485
Baud/Configuration: 9600, 19.2K, 38.4K (**); N, 8, 1; N, 8, 2 half-duplex communication
Protocol: Modbus RTU slave
Connection: There will be 2 screw terminals provided for RS485
There will be 2 screw terminals provided for RS232
There will be 1 screw terminal common for both ports labeled as GND
(**) 38.4K baud will not be available when IGN input is selected as the source for RPM calculations. When MPU is
selected, this feature is available for selection
Third Party Approvals
TTD-H, PSU-2: CSA Class I, Division 2, Groups B, C, and D
TTD-H: IEC 60529
– IP66 (NEMA 4 and 4X equivalent)
Intuitive Display Icons
Display status and assist in setup and operation resulting in greater ease of operation and interface. The appropriate icon will turn on to indicate unit status or navigation through the set-up features.
RUN - Run mode
RPM
– Screen Value
HOURS
– Screen Value
TYPE
– Channel Type Configuration
LOW BATT
– Low Battery Warning (displayed only when condition exists)
HISTORY
– Shutdown History
TEST
– Test Mode
LUBE
– Pre-lubrication Timer
POSTLUBE
– Post-lubrication Timer
SHUTDOWN
– Stop Mode
ALARM
– Alarm(s) Warning (displayed only when condition exists)
SETPOINT
– Edit Set-point Value
SETUP
– Setup Menu(s)
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TTD Replacement Parts and Assemblies
Part Number Description
50700597
50700596
50700594
50700944
50700942
00005125
50000774
00009741
00009768
TTD-H Display Head
PSU-2 Div 2 Power Supply
PSU-2-T Div 2 Power Supply w/ Tach
PSU-2-L-N Div 2 Power Supply w/Pre/Post Lube and No-Flow
PSU-2-T-L-N Div 2 Power Supply w/ Tach, Pre/Post Lube and
No-Flow
Backup Lithium Battery, 6VCD, 1200mAh
Ignition Choke Filter
TTD-H Plug Kit, Printed Replacement Terminal Plugs for TTD-H
Sensor Inputs
PSU-2-Plug, Printed Replacement Plug for PSU-2 Power Connector
53702325
RS485 toUSB Interface Kit (
53702325)
: To configure TTD using
Mconfig™ software and PC over USB port
Notes
Replacement
Parts and
Assemblies
Configuration
Software
Section 50
2016-02-22
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