FW Murphy Selectronic S1501 series, Installation And Operation Manual

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Section 50 00-02-0271
2018-10-23 - 27 -
Specifications
Power Consumption

120 VAC (7.5 VA)

12 VDC (3.5 watts)

24 VDC (3.5 watts)
Sensor Inputs
32 or 64 N.O. and/or N.C. inputs such as Murphy Swichgage®
instruments.
Field selectable as a Class A, B1, B2, C, P or ESD for shutdown,
alarm, or control function.
NOTE: Sensor inputs 27 through 32 reserved for control
functions.
Outputs
7-SPDT relay outputs, 5 A, 1/16 HP,
125/250 VAC/ 1 A, 30 VDC
NOTE: For hazardous areas an approved isolation barrier must
be used between sensor switch and input terminals if the sensor
output comes from any energy storing device such as a relay or
transistor.
Adjustable Time Delays

Permissive

Prelube

Purge

Fuel

Crank

Run

Class B1 Lockout

Class B2 Lockout

Process Lockout

Idle/Cooldown

Ignition Ground

Postlube

Cooler
Sensor Inputs Terminal Block
Rail mount DIN type; 32 terminals, screw type
Opto-Isolated Tach/Run Input
Magnetic pickup, 4.5 to 120 Vrms, 0-10 kHz. CD ignition,
positive or negative ground, 100 to 300 VDC, 3-666 Hz.
12 to 125 VDC or 120 Vrms, 50/60 Hz may be used for
run signals.
Operating Temperatures: 32 to 122°F (0 to
50°C)
Storage Temperatures: -4 to 158°F (-20 to
70°C)
Case : ABS plastic, 1/4 DIN (90 x 90 mm)
Communications
Factory configured for RS232; field-selectable for
RS485.
Alphanumeric Display
2 lines, each line with 16 characters (32 characters total)
Power Supply Enclosure
Explosion-proof, Class I, Division 1. Intrinsically safe
barrier built into the power supply, 120 VAC with 7 form
“C” relay outputs for the following functions (with
standard S1501):

Lube

Crank

Ignition/Motor

Fuel/Cooler

Load

Alarm

Shutdown