Murphy Selectronic TTD Series Manuale utente
00-02-0329
01-09-07
Section 50
TTD™Series Selectronic®
FaultAnnunciator
Installation and Operations Manual
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.
Warranty - A limited warranty on materials and workmanship for one year is given with this FW Murphy product.
A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm
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.
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, Divisions 1 & 2 wiring methods.
This equipment is suitable for use in Class I, Division 1 & 2, Groups B, C, and D
hazardous Areas.
WARNING–Explosion Hazard–Substitution of components may impair suitability
for Class I, Division 2.
Please contact FW MURPHY immediately if you have any questions.
Table of Contents
Product Description................................................................................................................ 1
Display Head (TTD-H)..................................................................................................1
Power and Control Inputs/Outputs (PSU-2) .................................................................2
Installation ............................................................................................................................... 3
Installation Diagram for the TTD Display......................................................................3
Typical Installations for TTD Power and Control Inputs/Outputs..................................5
TTD G-Lead Choke Installation Instruction ..................................................................8
Backup Battery Replacement.......................................................................................9
Product Features................................................................................................................... 11
The Display................................................................................................................12
Front Panel Key Functionality ....................................................................................13
TTD Keypad Features................................................................................................13
Operational Display Messages...................................................................................17
Backlight used as Status Indication............................................................................19
Configuration / Setup of the TTD Annunciator.................................................................. 20
Navigating the TTD Front Panel.................................................................................20
Entering Setup Mode .................................................................................................21
Setup 1 – Timer Setup ...............................................................................................23
Setup 2 – Sensor Mode .............................................................................................25
Setup 3 – Sensor Type ..............................................................................................28
Setup 4 – Remote Reset Remote Lockout Select and No-Flow Enable Delay...........30
Setup 5 - Hourmeters.................................................................................................32
Setup 6 – Speed Calibration ......................................................................................33
Setup 7 – Tachometer Overspeed Option..................................................................34
Setup 8 – Tachometer Underspeed Option................................................................35
Setup 9 – Communication Settings............................................................................36
Setup A – Output Mode..............................................................................................37
Setup B – Unit Identification (ID)................................................................................38
Setup C – Factory Default..........................................................................................39
Voltage Readings.......................................................................................................40
Software Version........................................................................................................41
Special Features (Password Code)............................................................................41
Communications................................................................................................................... 42
Communications Port.................................................................................................42
Modbus Register Address Listings.............................................................................43
Specifications........................................................................................................................ 46
Power Requirements:.................................................................................................46
Magnetic Pickup Input:...............................................................................................46
Outputs:......................................................................................................................46
Operator Interface:.....................................................................................................46
Communication Ports: 1.............................................................................................46
Third Party Approvals Pending:..................................................................................46
Intuitive Display Icons: ...............................................................................................47
TTD Numbering System....................................................................................................... 48
TTD Replacement Parts and Assemblies ..................................................................48
Dimensions............................................................................................................................ 49
Section 50 00-02-0329
01-09-07 - 1 -
Product Description
The TTD™Annunciator System is comprised of two separate components, the Display Head
unit and Control Inputs/Outputs mounted on a Plug-in Power Supply. 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 annunciator’s 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 running hours
•Running hours
Optional Features:
•Pre/Post lube timed functionality
•Tachometer w/ Overspeed and Underspeed setpoints
•No-Flow Switch Detection
Display Head (TTD-H)
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 onboard
backup battery to retain the fault display after shutdown on ignition powered units.
Section 50 00-02-0329
01-09-07 - 2 -
Power and Control Inputs/Outputs (PSU-2)
The Power Input and Control Output Terminals are mounted on the Plug-in Power Supply
(PSU-2) and include 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 is fully operable with the internal battery; the external
DC power enables communications support (Modbus slave) and turns on the display backlight.
Section 50 00-02-0329
01-09-07 - 3 -
Installation
Installation Diagram for the TTD Display
Section 50 00-02-0329
01-09-07 - 4 -
Section 50 00-02-0329
01-09-07 - 5 -
Typical Installations for TTD Power and Control Inputs/Outputs
Section 50 00-02-0329
01-09-07 - 6 -
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