Honeywell FS-TSDO-0824 Safe Digital Output Field Termination Assembly

The Honeywell FS-TSDO-0824 is an 8-channel safe digital output Field Termination Assembly (FTA) engineered for safety control architectures. It acts as an interface between the SICC-0001/Lx system interconnection cable and field device wiring, routing digital control signals reliably to actuators and final control elements.

System Connectivity and Channel Isolation

The assembly interfaces with a redundant pair of SDO-0824 output modules via a dedicated SICC-0001/Lx system interconnection cable. Across its 8 independent channels, discrete activation commands are distributed directly to external field wiring without compromising redundant signal routing.

Electrical Ratings and Current Limits

Designed in accordance with IEC 61010-1 (IEC 1010) overvoltage category 3, the assembly supports maximum voltages up to 36 V DC. Each channel supports a maximum continuous current of 1.5 A, though the actual operational maximum current is ultimately determined by the connected output module.

Mechanical Design and Terminal Wiring

The unit features universal snap-in mounting for standard DIN EN rails (TS32 or TS35 × 7.5 profiles), consuming 61 mm (2.40 in) of rail length. Field connections are made using screw terminals that accommodate wire diameters up to 2.5 mm² (AWG 14), with a required strip length of 7 mm (0.28 in) and a tightening torque of 0.5 Nm (0.37 ft-lb).

Frequently Asked Questions

Q: How does the FS-TSDO-0824 connect to the main safety output modules?

A: It connects to a redundant pair of SDO-0824 digital output modules using an SICC-0001/Lx system interconnection cable.

Q: What defines the maximum output current for each channel on the FS-TSDO-0824?

A: While the FTA hardware is rated for up to 1.5 A continuous current per channel at 36 V DC, the actual maximum current limit is governed by the connected output module.