ICS Triplex T8403 Trusted TMR 24 Vdc Digital Input Module
The ICS Triplex T8403 is a digital input module for ICS Triplex platforms. Module Location: T8100, T8300 I/O Module Slot | Number of Inputs: 40 | Channel to Channel: None. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24 hours.
Why the T8403 Matters
When a digital input module fails in a ICS Triplex system, the consequences range from nuisance alarms to complete process shutdown. The ICS Triplex T8403 Trusted TMR 24 Vdc Digital Input Module is not a generic part you can substitute — it is engineered for a specific slot in a specific chassis with specific firmware requirements.
ICS Triplex (Rockwell Automation) Trusted TMR safety systems provide fault-tolerant safety control for critical applications in oil & gas and power generation.
Here is what defines this particular module: Field Supply: N/A
Maximum Power Dissipation: 29 W
Module Location: T8100, T8300 I/O Module Slot
Number of Inputs: 40.
We stock this unit in our Shenzhen warehouse — physically, not as a virtual listing. Each one is powered up and tested before shipping, with a 48-hour burn-in at elevated temperature. If you are maintaining a ICS Triplex system with no spare modules on the shelf, we strongly recommend ordering at least one backup. The cost of the spare is negligible compared to the cost of emergency sourcing during a plant trip. 12-month warranty, ships within 24 hours.
Technical Specifications
| Field Supply | N/A |
|---|---|
| Maximum Power Dissipation | 29 W |
| Module Location | T8100, T8300 I/O Module Slot |
| Number of Inputs | 40 |
| Channel to Channel | None |
| Fusing | None |
| Impedance | 5 kΩ |
| Measurement Range | -6 to +36 Vdc |
| Thresholds | Configurable |
| Maximum Withstanding | ±50 Vdc |
| Safety Accuracy | 0.5 Vdc |
| Intrinsic Safety | None - External barrier required |
| Event Resolution (LSB) | 1 ms |
| Time stamp Accuracy | ±10 ms |
| Operating Temperature | 0 °C to +60 °C (+32 °F to +140 °F) |
| Storage Temperature | -25 °C to +70 °C (-13 °F to +158 °F) |
| Relative Humidity – Operating and Storage | 10% – 95%, noncondensing |
| Environmental Specifications | Refer to Trusted 8000 Series International Safety and Environmental Approvals, publication ICSTT-TD003 |
| Height | 266 mm (10.5 in) |
| Width | 31 mm (1.2 in) |
| Depth | 303 mm (12.0 in) |
| Weight | 1.18 kg (2.6 lb) |
| Manufacturer | ICS Triplex |
| Model / SKU | T8403 |
✓ Ships within 24 hours | ✓ 12-Month Warranty | ✓ Worldwide Delivery
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