FW Murphy Selectronic S1501 series User manual
00-02-0271
2018-10-23
Section 50
SeriesS1501Selectronic®
Micro-Controller/Annunciator
ModelYear 2011 and Earlier
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.
Please read the following information before installing.
BEFORE BEGINNING INSTALLATION OF THIS FW MURPHY
PRODUCT:
Read and follow all installation instructions.
A visual inspection of this product before installation for any
damage during shipping is recommended.
Disconnect all electrical power to the machine.
Make sure the machine cannot operate during installation.
Follow all safety warnings of the machine manufacturer.
Please contact FW MURPHY immediately if you have any
questions.
Table of Contents
Product Description...................................................................................................................1
Installation...................................................................................................................................4
Mounting Dimensions...................................................................................................4
Typical Hazardous Areas Installation...........................................................................6
S1501 System - Typical Hook Up ................................................................................7
Power Supply –Typical Wiring Diagram....................................................................11
Operation...................................................................................................................................12
Operating the S1501 Interface...................................................................................12
Sequence of Operations - Engine Mode....................................................................13
Sequence of Operations –Motor Mode .....................................................................15
System Set Up Menus ...............................................................................................17
Editing System Set Up ...............................................................................................18
Troubleshooting.......................................................................................................................25
Specifications...........................................................................................................................27
Replacement Parts and Accessories....................................................................................28
(THIS PAGE INTENTIONALLY LEFT BLANK)
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Product Description
The Series S1501 system is a microprocessor based alarm, shutdown, and control system
with tachometer/hourmeter function. It tells in alphanumeric characters which protective device
has signaled an alarm or caused equipment shutdown. Application programming is completed
at Murphy and can be changed in the field.
The system consists of:
S1501 Head
Power Supply - explosion proof
Terminal Block Assembly, rail mount type, accommodates 32 sensors (2 needed for 64
sensor models)
Flat Ribbon Cable - 36 inch (914 mm) to connect the terminal block to the head.
The S1501 is powered from 120 VAC or 12/24 VDC. It is approved for Class I, Div. 1, Groups
C & D areas.
S1501 Head
The Head is the brain of the micro-controller system. It contains a microcomputer, an
alphanumeric display and keypad for operator access to field adjustable functions, and a
communication port: RS232 or RS485 (Modbus RTU slave). This port allows for remote
control functions such as Start/Stop, Load/Unload, etc., and for access to S1501 data
registers.
Alphanumeric Display
The S1501 Head displays each mode of operation. The display is a dot matrix alphanumeric
32-character display arranged in two lines (each with 16 characters). By observing the monitor,
the operator can determine the operating status of the control system.
Power Supply
An explosion-proof enclosure designed for Class I, Division 1, Groups C & D hazardous
locations contains the supply voltage conditioning circuits, head power supply, and the
intrinsically safe barriers for isolation between the power supply and the low energy head
circuits. The power supply accepts 120 VAC, 50-60 Hz and/or 12-24 VDC input power.
12-24 VDC power can be used as primary power or as a backup source of power when
120 VAC is used.
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Control Relays
The power supply has seven control relays to provide form “C” SPDT outputs for control
functions of either the engine or electric motor application.
Terminal Block Assembly
Each sensor input terminal block consists of a 64-position, 32 pair input rail-mount terminal
block for interface of panel or field-mounted end devices. For Class I Division 1 areas, end
devices must be non-energy storing devices, such as mechanical switches with dry contacts.
The terminal block is used for Normally Open sensors (one wire close to ground), and/or
Normally Closed sensors (two wires).
Ribbon Cable
A 36 in. (914 mm) flat ribbon cable is required for connection of the S1501 head and the
sensor input terminal block. The cable is supplied with two D-sub 37 PIN connectors at each
end of the cable.
Power and Control Cable
The S1501 is connected to the power supply via the Power and Control Cable
(15-conductor shielded cable, 72 in. [1.81 m] long). The cable is factory-sealed on the power
supply end, and has a 15-pin, D-sub connector on the S1501 Head end.
Sensor Inputs
User-selectable Sensor Input types (Shutdown or Alarm Only) are available for each sensor.
The sensor inputs are identified as follows:
Class A: Inputs are operative (armed) all the time.
Class B1: Inputs are enabled after the first preset Start-Run time period.
Class B2: Inputs are enabled after the second preset Start-Run time period.
Class C: Inputs are armed after the fault has been cleared for 2 seconds.
Class P: Armed after the Load Relay has exergized and the process time has expired.
Class ESD: Emergency Stop overrides the test lockout timer.
Permissive Function
This function was designed to monitor pre-lube pressure input. Terminal 32 of the sensor
terminal block is reserved for a permissive pre-lube input. The pressure signal can be obtained
from a pressure switch with normally open or normally closed contacts that indicates whether
or not sufficient oil pressure has been reached during pre-lubing. If permissive pressure has
not been reached, the system will not allow start-up. If the Permissive Function is not required,
install a wire jumper in Terminal 32 and set the Permissive Timer setting at zero.
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Opto-Isolated Tach/Run Input
The S1501 features an opto-isolated tach/run input located within the explosion-proof power
supply. This special input is used for Run Input Sensing from a CD ignition, Magnetic Pickup,
Motor Auxiliary Signal, or AC or DC run signals meeting the opto-isolated Tach/Run input
specifications (refer to the Specifications section of this manual).
NOTE: For tachometer sensing a magnetic pickup is recommended.
Built-In Barrier (within the Power Supply)
The S1501 power supply circuit is isolated from the Head by the intrinsically safe barrier
located on the printed circuit board (power supply enclosure), between the power supply
output and the power and control cable terminal block.
A fuse barrier mounted inside the Power Supply isolates the power output to the Head. Zener
diode shunt barriers isolate the seven control outputs from the Head.
Hourmeter
A hourmeter feature is available for the S1501 to record the engine or motor elapsed running
time.
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Installation
WARNING: Perform the mounting operation with power source off.
The S1501 Head was designed to be mounted within a
weatherproof enclosure. It is intended for mounting in a flat panel.
First, cut a square mounting hole of 3-5/8 in. (92 mm) x 3-5/8 in. (92 mm).
Insert the Head from the front side of the panel and install the two mounting clamps, one on
each side of the case, (see mounting clamp detail).
Secure the unit to the panel by tightening the clamps with a blade type screwdriver.
Mounting Dimensions
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Section 50 00-02-0271
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Typical Hazardous Areas Installation
WARNING: FOR HAZARDOUS APPLICATION REQUIREMENTS, THE
S1501 COMPLETE SYSTEM MUST BE INSTALLED IN ACCORDANCE
WITH THE NATIONAL ELECTRICAL CODE (NEC) CLASS I, DIVISION
1, GROUP D (ARTICLE 504) SPECIFICATIONS. SENSOR INPUT
WIRES MUST BE SEPARATED A MINIMUM OF 2 IN. (51 MM) FROM
OTHER WIRES. USE OF SENSOR INPUT WIRE TYPE CONDUIT IS
RECOMMENDED.
Table of contents
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