PLC Autocontroller | 20 Years in Safety-System Expertise
Technical Brief: ICS Triplex T8461 Trusted TMR 40-Channel Digital Output Module
(With Complementary ICS Family Overview)
Purpose & Slot Location
T8461 is the 40-channel, 24/48 V dc triplicated output module for the ICS Trusted® TMR rack. It drives SIL-3/PL e final-elements such as ESD valves, fire dampers, or motor starters without any single point of failure.
Core Specifications
• Channels: 40 fully-isolated outputs
• Voltage Range: 20–32 V dc or 42–56 V dc (jumper-selectable)
• Output Rating: 0.5 A per channel, 2 A per 8-channel group
• Switching Time: < 2 ms ON↔OFF
• Diagnostics: open/short-circuit, over-current, stuck-on/off
• Isolation: 2.5 kV impulse, 250 V working
• Hot-swap: supported via Companion Slot
Ordering Data
• Part Number: T8461 (latest Rev. J)
• Accessories: 40-way screw or spring FTU, keying plugs, Companion Slot kit
Complementary ICS Trusted Products for a Complete SIL-3 Solution
Controller & Rack Infrastructure
• T8100 Trusted Controller Chassis – main 19" rack frame
• T8110B/C Trusted TMR Processor – triple-core safety CPU
• T8151B/C Trusted Communication Interface – dual Ethernet + quad serial, SIL 3
• T8153 Trusted Communication Interface Adapter – cable-front transition
Power & Distribution
• T8220 / T8222 / T8225 Power Supply Modules – 110–240 V ac or 24 V dc input
• T8290 / T8292 Power Distribution Modules – fused 24 V dc rail
I/O Modules (all TMR)
• T8403 40-Ch 24 V dc Digital Input
• T8431 40-Ch Analogue Input (4–20 mA / 0–10 V)
• T8451 40-Ch 24 V dc Digital Output (0.5 A)
• T8480 40-Ch Analogue Output (4–20 mA / 0–10 V)
Expansion & Interface
• T8300 Expander Chassis – up to 14 extra I/O slots
• T8311 Trusted Expander Interface – fibre link to T8300
• T8312-4 / T8312-7 Expander Interface Adaptor – 4-way or 7-way fibre
All items are factory-new, sealed, and supported by PLC Autocontroller with same-day quotation and global overnight delivery.
