S1501

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  • Alarm/Shutdown for 32 or 64 N.O. or N.C. Sensors
  • Operating Sequence Selection
  • Field Adjustable Sensor Nomenclature
  • Selectable Sensor Lockouts Class A, B, C or P
  • Built-In Tachometer/Overspeed Function
  • RS232 or RS485 Modbus RTU Communications
  • Two Start/Run Timers and Elapsed Time Meter
  • CSA Certified or NRTL Approved for Use in Class I, Div. 1 Grps. C & D Hazardous Locations

FW Murphy Production Controls offers support for all our products. If you are unable to find the product that you need, please call us at 918-317-4100.

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Product Overview: 

The S1501 instrument is a microprocessor-based alarm, shutdown and control system with tachometer/hourmeter function. It annunciates in alphanumeric characters the protective device that has signaled an alarm or caused equipment shutdown. Information is called up and adjustments are made on a six-button keypad on the face of the unit. Configurations such as alarm or shut-down nomenclature, preset timers and tachometer calibration can be made in the field.

The FW Murphy S1501 system has seven SPDT relays. On the standard model, the relays are assigned to the following functions: lube, crank, ignition/motor, fuel valve/cooler, load, alarm and shutdown.

The complete S1501 system consists of a head, sensor input terminal strip (two needed for 64 sensor models), 36-inch (914 mm) flat ribbon cable(s) for connecting the terminal block to the head and a Class I, Div. 1, explosion-proof power supply.

The S1501 system is powered from 120 VAC or 12 or 24 VDC. The head is rated intrinsically safe and includes a communication port, jumper selectable for either RS232 or RS485, operating as a MODBUS RTU slave. This port allows for remote control functions such as start/stop, load/unload, etc., and for read access to S1501 holding registers.

The S1501 system can be configured to monitor applications such as air and natural gas compressors, natural gas refueling and other industrial operations. For a list of applications and our cataloged programs contact a Murphy sales representative. 

Custom programming is available at additional charge.

MConfig™ Software can be used to download to or upload from the S1501 and to save configurations.