Honeywell FC-TELD-0001 Temperature Transmitter

Description

Configured for direct digital control in Honeywell Safety Manager networks, the Honeywell FC-TELD-0001provides direct physical/electrical execution. The unit conditions, linearizes, and converts low-level analog signals from primary field temperature sensors into stable, high-level signals, ensuring a deterministic data path between hazardous field processes and the centralized safety backplane.

Hardware Specifications

• Model: FC-TELD-0001
• Brand: Honeywell
• Origin: United States / Netherlands
• Weight: 1.5 kg
• Dimensions: Compact DIN rail profile housing
• Operating Temp: -40 to 70 deg C
• Input Options: Resistance Temperature Detectors (RTD) / Thermocouples (TC)
• Output Signal: Dual-channel isolated analog loops
• Power Supply: 24 VDC nominal loop power

Channel-to-Channel Isolation and Process Loops

The hardware architecture incorporates specialized galvanic isolation barriers to deliver independent channel-to-channel isolation, preventing differential ground loop currents from degrading low-amplitude sensor signals. The input circuitry utilizes cold junction compensation (CJC) for thermocouple links and integrates a native 4-20 mA HART loop protocol interface, allowing simultaneous transmission of process variables and secondary diagnostic data over standard twisted-pair instrumentation wiring.

Frequently Asked Questions

Q: What type of cold junction compensation (CJC) does this module employ for thermocouple inputs? A: The module utilizes an onboard, high-precision thermistor located at the terminal block interface to execute continuous, dynamic cold junction compensation, maintaining temperature reading accuracy across the full operational ambient range.

Q: Can this temperature transmitter be configured to support 2-wire, 3-wire, and 4-wire RTD sensors? A: Yes. The input terminal configuration allows selectable wiring geometry via software, accommodating 2-wire, 3-wire, or 4-wire RTD configurations to optimize lead-wire resistance compensation.

Field Installation Guidelines

• Snap the transmitter housing securely onto a standard TS35 DIN rail, verifying that the grounding spring clip on the rear of the module makes clean, metal-to-metal contact with the unpainted rail surface.
• Route sensor input lines away from high-voltage AC motor cables and switching inductive loads to prevent electromagnetic noise injection into the low-millivolt thermocouple or RTD circuits.
• Strip sensor lead wires back 6 mm, insert them completely into the screw terminal clamps, and torque to 0.4 Nm to maintain stable, vibration-resistant connections.