T8448 Trusted TMR Zone Interface Module | ICS Triplex
Manufacturer: ABB
-
Part Number: T8448
Condition：New with Original Package
Product Type: Trusted TMR Zone Interface Module
-
Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Product Overview
The T8448 from ICS Triplex (Honeywell Trusted® systems) is a Trusted® Digital Output Module designed for high-reliability control of field devices in safety-critical applications. It provides 32 DC output channels with advanced diagnostics, hot-swap capability, and Triple Modular Redundancy (TMR) for fault-tolerant operation.
Functional Description
T8448 delivers:
-
32 DC output channels, grouped into 8 independent power groups (4 outputs per group)
-
Field supply voltage: 18–32 VDC; system tolerance: –1 to +40 VDC
-
Rated output current: 2 A per channel, up to 8 A per power group; 8 A peak surge capacity
-
Optical isolation barrier rated 2500 V for channel-to-channel and system isolation
-
Built-in diagnostics: open/short circuit detection, Sequence of Events (SOE) logging
-
Hot-swap support for online replacement without system shutdown
-
Operating temperature: –40 °C to +70 °C; storage: –40 °C to +85 °C
-
Humidity tolerance: up to 95% non-condensing
-
Compact module dimensions: 30 cm × 3 cm × 24 cm (L × W × H)
Technical Specifications
| Parameter | Details |
|---|---|
| Model | T8448 |
| Manufacturer | ICS Triplex (Honeywell Trusted® systems) |
| Product Type | Trusted® Digital Output Module |
| System Supply Voltage | 20–32 VDC |
| Field Supply Voltage | 18–32 VDC |
| Maximum Tolerance Voltage | –1 to +40 VDC |
| Output Channels | 32 DC outputs |
| Power Grouping | 8 independent groups (4 outputs per group) |
| Rated Output Current | 2 A per channel |
| Group Output Current | Up to 8 A per group |
| Surge Capacity | 8 A peak |
| Isolation | Optical barrier rated 2500 V |
| Diagnostics | Built-in self-test, open/short 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 |