Honeywell 10208/2/1 Fail-Safe Relay Output Module
Manufacturer: Honeywell
-
Part Number: 10208/2/1
Condition：New with Original Package
Product Type: Relay Output Modules
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell 10208/2/1 Fail-Safe Relay Output Module
Configured for de-energize-to-trip safety execution in Fail-Safe Controller platforms, the Honeywell 10208/2/1 (10208/2/1 Fail-Safe Relay Output Module) provides direct physical/electrical execution across safety-instrumented system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 10208/2/1 |
| Brand | Honeywell |
| Origin | Standard Industrial Manufacturing |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions | 135 mm x 186 mm x 119 mm |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | 3.5 W (All relays energized) |
| Output Type | 8 Independent Potential-Free (Dry) Relay Channels |
| Contact Rating | 250 VAC / 30 VDC at 2.0 A (Resistive) |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The hardware establishes robust electrical isolation of 2500 Vrms between internal logic processors and field-side relay circuits, preventing high common-mode voltages from compromising safety loops. While the module primarily manages potential-free dry contact switching for safety-instrumented final elements, internal diagnostic monitoring circuits track relay coil continuity and power distribution integrity continuously without interrupting the primary safety de-energization path. Furthermore, channel isolation architectures mitigate cross-talk and preserve strict SIL 3 execution boundaries across all eight independent outputs.
Frequently Asked Questions
Q: What are the maximum contact ratings and minimum load requirements for the relay outputs?
A: The relay channels support a maximum contact rating of 250 VAC or 30 VDC at 2.0 A resistive load, with a specified minimum load requirement of 10 mA at 5 VDC.
Q: Does the module support hot-swapping during active safety system operations?
A: Modular replacement is governed by strict safety system protocols; technicians must observe plant safety interlocks and de-energize associated field loops prior to extracting the rack module.
Q: How is safety integrity maintained during internal component failures?
A: The module incorporates redundant internal circuitry and diagnostic feedback to monitor relay health, ensuring that the de-energize-to-trip safety function executes reliably even under single-fault conditions.
Field Installation Guidelines
Insert the module securely into the designated Fail-Safe Controller rack slot, ensuring proper alignment with backplane connectors. Verify that all field wiring connected to the dry contact terminals is tightened to manufacturer torque specifications before system commissioning. Maintain strict physical separation between low-voltage safety logic wiring and high-voltage power conduits to prevent induced electrical noise. Confirm that all rack grounding bars are bonded with low-impedance conductors prior to energizing the safety system.