Honeywell FC-TSHART-1620m Safe Analog Input Field Termination Assembly
The Honeywell FC-TSHART-1620m, also cataloged as the FC-TSHART-1620m Safe Analog Input Field Termination Assembly, operates as a dedicated hardware component for terminating 16 analog input channels and supporting HART communication loops within Honeywell Safety Manager systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-TSHART-1620m |
| Brand | Honeywell |
| Origin | Standard manufacturing origin |
| Weight | Nominal industrial profile |
| Dimensions | 250 x 70 x 60 mm (9.84 x 2.76 x 2.36 in) |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Quiescent current 3 mA (without input loop loads) |
| Input Channels | 16 analog input channels (2 groups of 8) |
| Input Signal | 0(4)-20 mA DC (0-25 mA range) |
| Input Resistance | 250 ohm +/-1% |
| Supply Voltage | 30 VDC |
| Output Voltage | 0-4 VDC to SAI-1620m module |
| Mounting | DIN EN TS32 / TS35 x 7.5 rail (251 mm length) |
4-20 mA HART Loop Protocol Integration
The assembly manages multi-channel 0(4)-20 mA DC field signals while passing transparent HART communication multiplexer outputs up to 5 V peak-to-peak through integrated HART series impedance. Channel-to-channel isolation and conformal coating protect the circuitry against harsh industrial environments and hazardous Class I, Division 2 locations. Furthermore, cold junction compensation (CJC) and precise internal input resistance structures preserve loop signal integrity when connected to the high-density SAI-1620m module.
Frequently Asked Questions
Q: What is the primary function of the FC-TSHART-1620m assembly?
A: It provides secure field termination, 250 ohm input resistance, and HART communication interfaces for 16 analog input channels within Honeywell Safety Manager platforms.
Q: How is the assembly powered and fused against overcurrent events?
A: The unit accepts an external 30 VDC power supply and utilizes slow-acting 315 mAT fuses measuring 5 x 20 mm to protect individual channel loops.
Field Installation Guidelines
Ensure that system cabinet power is completely disconnected before mounting or servicing the hardware. Mount the 250 mm long assembly securely onto standard DIN EN TS32 or TS35 x 7.5 rails inside the control enclosure. Terminate field wires up to 2.5 mm² (AWG 14) onto the screw terminals, stripping exactly 7 mm of insulation, and tighten terminal screws to a torque of 0.5 Nm. Route signal cables away from high-voltage lines and ensure proper shield grounding to prevent loop noise interference.
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