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Series Configurable Fault Annunciator Installation and Operations Manual 00-02-0697 2018-10-22 Section 50...
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FW Murphy 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.
Table of Contents Product Description ........................1 Display Head (TTD-H) ....................1 Power Supply .......................2 Dimensions ........................2 Installation ........................... 3 Mounting the Unit ......................3 Installation Diagram for the TTD Display ..............4 Typical Installations for TTD Power and Control Inputs/Outputs ........6 TTD G-Lead Choke Installation Instruction ..............9 Backup Battery Replacement ..................
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Setup A – Output Mode ....................40 Setup B – Unit Identification (ID) ................41 Setup C – Factory Default ..................42 Voltage Readings ....................... 43 Software Version ......................44 Communications ........................45 Communications Port ....................45 Modbus Register Address Listings ................46 Specifications ...........................
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.
Power Supply The Power Input and Control Output Terminals are mounted on the Plug-in Power Supply (PSU-2). The Power Supply also includes a RS485/RS232 serial communication port (MODBUS RTU slave) to interface with micro-controllers, 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.
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.
TTD Annunciator to avoid potential electrical noise problems. This choke has been specifically selected for the application. The choke (FW Murphy part number 50000774) is shipped with each TTD annunciator. 1. Open the choke and lay it on the table.
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.
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1300 mAh, Duracell DL223A or Sanyo CRP2 lithium battery, available from FW Murphy (p/n 00005125). 5. Plug the Power Supply back onto the Display Module and secure the two mounting screws. 6. Power up the system and resume normal operations.
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 FW Murphy for evaluation. Section 50 00-02-0697 2018-10-22...
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.
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 FW Murphy Mconfig™ software. This provides the user with a Template displaying the TTD Annunciator setup and status by reading the Modbus registers.
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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. Function (B) Shows the operation hours for the displayed History record*. Read Hours Press and hold the key for 5 seconds to access the Setup Menu: The model...
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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. Function (G) Shows the current operation hours. RUN icon indicates the Read Hours hour meter is in increment mode. Press and hold the key for 5 seconds to access the Setup Menu: The model number...
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Setup Mode – Menus The condition on the display indicates the RUN and SHUTDOWN icons may be on. Function If the unit is in SETUP 0, pressing [ENTER] exits the unit from the Setup/Enter Setup Mode. If the unit is in any other Setup, pressing [ENTER] accesses the submenu for that Setup.
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.
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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.
Fault Codes Fault Codes Description 1-48 Indicates the channel that has faulted or alarmed Loss of Ignition (When the CD ignition falls below 90 VDC 10%, the firmware activates the fault) Overspeed Underspeed Manual Stop Low Device Voltage (internal diagnostic) Crystal Failure (internal diagnostic) Watchdog Timer Loss of SPI Link (internal diagnostic)
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.
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.
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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.
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.
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The active timer is indicated by the TIMER icon (A), timer number (B) and numeric display (C). Timer Timer Class Timer Range Timer 1 Class B1 0 to 5 minutes Timer 2 Class B2 0 to 10 minutes Timer 3 Test 0 to 5 minutes Timer 4...
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.
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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.
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.
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The timer is reset only after shutdown or normal stop. Up to 48 dry contact sensor inputs or FW 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.
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 (E) Remote Reset and Lockout are enabled by this setup and will override any template setting.
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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.
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.
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).
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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. Loss of Ignition Value RPM Filter...
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.
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.
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.
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): Shutdown Mode Output Mode...
Setup B – Unit Identification (ID) (L) This function enables the operator to assign a six- digit 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.
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.
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.
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.
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).
Modbus Register Address Listings Address Description Type Min Value Max. Value Default Value 40,001 40,002 (Elapsed Time Meter 0-65535 Hrs.) 40,003 Class B1 Timer (secs.) 40,004 Shutdown Code Output Status Bit Map Bit 0 – Ignition (1 ground, 0 ungrounded) Bit 1 –...
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Modbus Register Address Listings (continued) Address Description Type Min Value Max. Value Default Value 40,035 Input Type #09 R/W* 40,036 Input Type #10 R/W* 40,037 Input Type #11 R/W* 40,038 Input Type #12 R/W* 40,039 Input Type #13 R/W* 40,040 Input Type #14 R/W* 40,041...
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Modbus Register Address Listings (continued) Address Description Type Min Value Max. Value Default Value 40,085 Test Timer Setting (TMR3) R/W** 40,086 Life Timer 40,087 TTD-H Firmware x10 40,088 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...
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...
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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...
TTD Replacement Parts and Assemblies Part Number Description Notes 50700597 TTD-H Display Head 50700596 PSU-2 Div 2 Power Supply 50700594 PSU-2-T Div 2 Power Supply w/ Tach 50700944 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 Replacement 50700942 Parts and...
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