Trusted® TMR 40-Channel Digital Output Module T8451CX ICS
Manufacturer: ABB
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Part Number: T8451CX
Condition：New with Original Package
Product Type: 40-Channel Digital Output Module
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Product Overview
The T8451CX from ICS Triplex (Honeywell Trusted® systems) is a Trusted® High-Density Digital Output Module engineered for mission-critical safety and process control applications. Featuring 40 DC output channels in a compact form factor, it provides robust fault-tolerant control with Triple Modular Redundancy (TMR) for high reliability and SIL 3 compliance.
Functional Description
T8451CX delivers:
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40 DC output channels organized into 8 independent power groups (5 channels per group)
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Output voltage range: 0–32 VDC; maximum withstand voltage: –1 to +40 VDC
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Continuous output current: 2 A per channel, limited to 8 A per power group
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Output short-circuit protection: electronic (latching) with automatic detection
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Channel-to-channel crosstalk: >–40 dB for signal integrity
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Pre-release 3.5 supports capacitive loads up to 2800 μF at 2 A
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Hot-swap capability allows online module replacement without system shutdown
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Built-in diagnostics including open/short circuit detection and Sequence of Events (SOE) logging
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Optical isolation for field common, rated up to ±250 V sustained and ±2.5 kV maximum withstand
Technical Specifications
| Parameter | Details |
|---|---|
| Model | T8451CX |
| Manufacturer | ICS Triplex (Honeywell Trusted® systems) |
| Product Type | High-Density Digital Output Module |
| System Supply Voltage | 20–32 VDC |
| Field Supply Voltage | 18–32 VDC |
| Output Channels | 40 channels |
| Power Grouping | 8 independent groups, 5 outputs per group |
| Rated Output Current | 2 A per channel, 8 A per group |
| Output Voltage | 0–32 VDC; withstand –1 to +40 VDC |
| Max Capacitance | Pre-release 3.5: 30–55 μF |
| Minimum On-State Load | 50 mA |
| Output On-State Resistance | 0.6 Ω |
| Output Off-State Resistance | 33 Ω |
| Turn-On/Off Delay | 0.5 ms |
| Sample Update Time | 0.5 ms |
| Event Resolution | 1 ms |
| Isolation | Optical barrier for field common |
| Protection | Electronic short-circuit, fault-tolerant circuitry |
| Hot-Swap | Supported |
| Operating Temperature | –5 °C to +60 °C |
| Non-Operating Temperature | –25 °C to +70 °C |
| Humidity | 5–95% RH non-condensing |
| Dimensions | 30 cm × 3 cm × 24.1 cm |
| Weight | 1.13 kg |
| Compliance | SIL 3 (IEC 61508), CE, UL, RoHS |