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DIESEL ENGINE CONTROL AND GENERATOR EQUIPMENTS >> FW MURPHY Controls (Compressor, Power Generator& Engin >> Controllers and Annunicators (Gas Compression)
FW MURPHY Controls (Compressor, Power Generator& Engin
Controllers and Annunicators (Gas Compression)
- TTD Series
- Centurion™ (C4 Series)
- Centurion™ PLUS
- MX Series
- S1501
Engine Controllers (Electronic)
PowerCore Diesel Engine Panels
TTD Series

Fully-configurable fault annunciator
  • Alarm and shutdown control system for engine-driven pumps and compressors
  • Monitors 48, user-configurable, sensor inputs from N.O. and/or N.C. sensors
  • User selectable templates provide ease of retrofit by selecting configuration of existing annunciators via display keypad or download from computer with windows based MConfig® installed.
  • Intuitive display icons to display status and assist in setup and operation result in greater ease of operation and interface
  • Serial communications port with selectable baud rates up to 38,400
  • Universal power supplies powered by 12/24VDC or CD ignition (neg. ground).
  • CSA Class I, Divisions 1 & 2, Groups B, C, and D.
  • Optional tachometer function with overspeed and underspeed protection using CD Ignition or magnetic pickup input.
  • Optional prelube and postlube functionality.
  • Optional lubricator No-Flow detection for up to 4 proximity switches.
  • One display head is common to all configurations allowing fewer spare parts required to be maintained in the field.
  • Internal monitoring of DC Supply, CD ignition, and internal battery voltage

  • Description

    The TTD product is a solid-state fault annunciator and shutdown control system designed to protect engines, compressors and their associated equipment. The TTD model will accept 48 sensor inputs from normally open and/or normally closed sensors. Each of the 48 inputs can be configured for “Shutdown” or “Alarm Only”. Any input can be locked out by one of the two Start-Run timers, or configured as Class C, ESD or Ignore. The annunciator provides 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
    • Last 10 Shutdowns with associated run hours
    • Last 4 Alarms with associated run hours
    • Selectable RS232/RS485 serial communications
    • Selectable baud rates

    Optional Features

    • Pre/Post lube timed functionality
    • Tachometer w/ Overspeed and Underspeed setpoints and running hours.
    • Lubricator No-Flow detection for up to 4 proximity switches.

    Two Separate Components

    1. Display Head
    The Display Head displays operational and configuration data. Configuration parameters are entered via keypad or download from 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 Phoenix connector 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 inputs, displays engine speed, and 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 on-board backup battery to retain the fault display after shutdown on ignition powered units.

    2. Power and Control Inputs/Outputs
    The Power Input and Control Output Terminals are mounted on the Plug-in Power Supply (PSU-2). The Power Supply also includes an RS485/RS232 serial communication port (MODBUS RTU slave) to interface with micro-controllers, PC’S, PLC’s, and/or communication and control systems. The serial communication provides read and write register capability and selectable Baud rate up to 38,400 bps.

    The Power Supply is reverse polarity protected and can be powered by 10-32vdc or 90-400vdc negative ground CD ignition. The TTD annunciator is fully operable with the internal battery; the external DC power enables communications support (Modbus slave) and turns on the display backlight.


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