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C277 Temperature Sensing Module (50701936)

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SKU: C277 Rev G Temperature Sensing Module (50701936)

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The C277 Communications Module adds precision temperature sensing capability to existing and future Murphy controllers via MODBUS RTU communication using an RS-485 port. The C277 module can read up to 18 thermocouples and/or mA sources. UL/cUL Listed Class 1 Div. 2 Groups C & D. Inputs: 18 - can be configured to read thermocouples or end of line 0-24 mA (4-20 mA)m signals. Application: For maximum temperature accuracy the C277 should be at a constant temperature with no channels assigned to 4 to 20 mA signals. The unit will still achieve excellent accuracy with slowly varying temperature as long as the temperature source is not a point source. Input Voltage: 9 to 28 VDC Operating Temperature: -22ø to +158ø F (-30ø to +70ø C) Storage Temperature: -22ø to +158ø F (-30ø to +70ø C) Communications: 1 - RS-485 9600-N-8-1 Communication port. Connection is made via modular RJ45 jack. There are two jacks for simple connection to other Comm Series Modules. If more than one module is used, you can bring your patch cable into Port A and then connect from Port B to the next module. This can be repeated until your input/output resources are satisfied. The last module in line must have a terminating resistor installed in the second jack. A maximum of 32 devices can be hooked together. Product Weight: 1.5 lb. (0.7 kg.) Product Dimensions: 7.0?H x 1.5?W x 4.75?D (178 x 38 x 121 mm) Shipping Weight: 2.2 lb. (1.0 kg.) Shipping Dimensions: 12.0?H x 6.0?W x 6.0?D (304 x 152 x 152 mm) Sales Bulletin


For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.


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