Product Details
The ICS Triplex DO-C5S3, also cataloged as the DO-C5S3 Redundant Digital Output Module, operates as a dedicated hardware component for high-integrity discrete control execution within ICS Triplex Trusted safety instrumented system platforms. The unit conditions and switches physical output command signals to external final elements, including actuators, interlock relays, and alarm indicators.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DO-C5S3 |
| Brand | ICS Triplex |
| Origin | United Kingdom |
| Weight | 1.1 kg (2.43 lbs) |
| Dimensions | 32 mm x 265 mm x 360 mm |
| Operating Temp | 0 to +60 deg C (+32 to +140 deg F) |
| Power Consumption | System Backplane Powered (Load Dependent) |
| Product Type | Redundant Digital Output Module |
| Circuit Architecture | Triple Modular Redundancy (TMR) |
| System Compatibility | ICS Triplex Trusted System |
Triple Modular Redundancy and Galvanic Isolation
The ICS Triplex DO-C5S3 digital output module is engineered to comply with SIL3 certification standards across critical safety instrumented systems. Built upon a triple modular redundancy (TMR) 2oo3 architecture, the module executes voting logic across three isolated processing paths to drive physical output channels. Internal galvanic isolation decouples field-side load circuits from internal backplane logic, preventing transient voltage spikes and ground potential shifts from affecting controller performance while enforcing fail-safe state execution during detected channel faults.
Frequently Asked Questions
Q: Does the DO-C5S3 module support online hot-swapping during active system operation?
A: Yes, in a redundant chassis slot configuration, the DO-C5S3 can be replaced online without disrupting active control signals to external field devices.
Q: How does the internal 2oo3 TMR voting architecture handle a single output channel failure?
A: If one processing channel experiences a failure, the 2oo3 voting circuit overrides the faulted channel, maintaining output state integrity and allowing continuous system execution.
Field Installation Guidelines
- Ensure chassis power and backplane interlocks are verified prior to inserting the DO-C5S3 module into its designated rack slot.
- Align the module top and bottom circuit board edge guides with the chassis card cage slots, pushing firmly until the backplane connectors fully seat.
- Fasten the top and bottom captive retention screws to ensure continuous mechanical ground continuity and prevent vibration-induced unseating.
- Verify that field output wiring to actuators or relays is routed through approved field termination assemblies (FTAs) with appropriate fusing
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























