ICS Triplex T8402 Digital Input Module with TMR Reliability
Manufacturer: ABB
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Part Number: T8402
Condition：New with Original Package
Product Type: Digital Input Module with TMR Reliability
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Product Overview
The T8402 from ICS Triplex (Honeywell Trusted® systems) is a Trusted® Digital Input Module designed for high-integrity monitoring of field devices. It provides 40 DC input channels, advanced diagnostics, hot-swap capability, and Triple Modular Redundancy (TMR) for fault-tolerant operation in safety-critical environments.
Functional Description
T8402 delivers:
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40 DC digital input channels grouped into 8 independent power groups (5 inputs per group)
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Supports 24 VDC logic inputs; typical input current ~6 mA per channel
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Optical isolation barrier rated up to 2500 V for channel-to-channel and system isolation
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Built-in diagnostics: open-circuit detection, Sequence of Events (SOE) logging
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Hot-swap capability for online replacement without system shutdown
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Operating temperature: –40 °C to +70 °C; storage: –40 °C to +85 °C
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Humidity tolerance: up to 95% non-condensing
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Compact module dimensions: 30 cm × 3 cm × 24 cm (L × W × H)
Technical Specifications
| Parameter | Details |
|---|---|
| Model | T8402 |
| Manufacturer | ICS Triplex (Honeywell Trusted® systems) |
| Product Type | Trusted® Dual 24Vdc Digital Input Module |
| System Supply Voltage | 20–32 VDC |
| Input Channels | 40 DC digital inputs |
| Signal Type | 24 VDC logic inputs |
| Input Current | ~6 mA per channel |
| Power Grouping | 8 groups (5 inputs per group) |
| Isolation | Optical barrier rated 2500 V |
| Diagnostics | Built-in self-test, open-circuit detection, SOE logging |
| Hot-Swap Capability | Yes, supports online replacement |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | Up to 95% non-condensing |
| Dimensions | 30 cm × 3 cm × 24 cm |
| Weight | 1.1–1.2 kg |
| Compliance | SIL 3 (IEC 61508), CE, UL, RoHS |