The Honeywell FS-TDO-1624, also cataloged as the FS-TDO-1624 Digital Output Module, operates as a dedicated hardware component for safety-critical discrete actuation within FSC Fail-Safe Controller platforms. The assembly drives 16 digital output channels, converting backplane logic state commands into field-level switching signals over a nominal 24 V DC operating threshold.
Hardware Specifications
Parameter
Specification
Model
FS-TDO-1624
Brand
Honeywell
Origin
USA
Weight
0.45 kg
Dimensions
120 x 100 x 40 mm
Operating Temp
-20 to 70 deg C
Power Consumption
3.2 W
Output Channels
16 Digital Outputs
Operating Voltage
24 V DC
Response Time
5 ms typical
Diagnostics
Individual LED per channel
Channel-to-Channel Isolation and Loop Power Dynamics
The FS-TDO-1624 incorporates high-density channel-to-channel isolation barriers engineered to prevent electrical noise propagation and ground loop currents across the process network. Active output loops are galvanically isolated from the main processor backplane bus to shield control logic from field-side voltage surges. The output switching paths accommodate field instrumentation loads while maintaining signal integrity across adjacent 4-20 mA HART loop protocol wiring channels.
Frequently Asked Questions
Q: What diagnostic feedback is provided on the module faceplate? A: The module features individual LED status indicators per channel to display real-time discrete output states directly on the hardware.
Q: Can the FS-TDO-1624 module be hot-swapped during active system operation?
A: No. System power to the target slot must be de-energized prior to module extraction or insertion to prevent backplane pin damage and transient output tripping.
Field Installation Guidelines
Isolate primary system power feeds to the cabinet rack prior to inserting or removing the module.
Guide the module along the enclosure slot channels and press firmly until the backplane edge connector fully engages.
Fasten all retaining screws to ensure proper physical retention and continuous chassis earthing.
Route low-voltage 24 V DC output wiring through dedicated channels, maintaining at least 200 mm clearance from high-voltage AC cables.
Connect cable shield wires to the central cabinet earth bar at a single point to prevent ground loops.
