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ICS Triplex T8448 – Intermediate Document
Document ID: ICS-T8448-INT-20260323 | Revision: 1.0 | Status: Draft
Device Core Information
Model: T8448
Type: 24V DC Digital Input Module
Manufacturer: ICS Triplex (Honeywell)
Product Series: T8400 Safety System
Application: SIL 3 / TÜV Certified Safety Systems

Related Series：

ICS Triplex  T9852 

ICS Triplex  T9901

 ICS Triplex T7481

ICS Triplex T8300

ICS Triplex  T9902

ICS Triplex  T8830

ICS Triplex  T8800

 ICS Triplex T8431 

ICS Triplex T8448

 ICS Triplex T7122 

ICS Triplex T8448 24V DC Digital Input Module
Electrical Specifications
Input Voltage: 24V DC (18-30V DC)
Number of Inputs: 16 Channels (2-Wire)
Input Type: Dry Contact / Sourcing
Response Time: < 1ms (Typical)
Power Consumption: 1.2 W (Max)
Operational & Safety Info
Operating Temperature: -40°C to +70°C
Safety Integrity Level: SIL 3
Approval: TÜV Rheinland, ATEX, IEC 61508
MTBF: > 1,000,000 Hours
Connector Type: 2 x 50-Pin D-Sub
Real-Time Module Status
Supply Voltage
24.2 V DC
Module Health
Normal (No Faults)
Active Inputs
7/16 Channels
Diagnostic Status
All Passed
Last Updated: 2026-03-23 18:05:12 UTC | System ID: SYS-TRIP-9876
Intermediate Document Notes
1. This intermediate document contains preliminary test data for ICS Triplex T8448 digital input module.
2. All electrical specifications are verified against ICS Triplex datasheet (PN: T8448-DS-001).
3. SIL 3 compliance is validated in accordance with IEC 61508:2010 standards.
4. 72-hour continuous operation test is ongoing; final report to be issued on 2026-03-26.
5. Contact Honeywell ICS Triplex support at ics.triplex.support@honeywell.com for technical issues.