T8800 ICS Triplex Trusted 40-Channel Digital Input FTA Fused 24Vdc
Introduction:
The ICS Triplex T8800 is a digital input Field Termination Assembly (FTA) for the Trusted TMR System. This unit provides 40 individual fused input channels. Each channel delivers a nominal 6.4 mA of current. The T8800 accepts a wide supply range from 18 to 32 Vdc. It consumes zero watts of power from the supply. Use this FTA for high-density digital input applications.
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Technical Specifications of T8800
Manufacturer: ICS Triplex (now part of Schneider Electric).
Model Number: T8800 for ordering and identification.
Catalog Family: Trusted TMR System for safety-critical applications.
Description: Digital Input Field Termination Assembly with 40 channels.
Supply Voltage Range: Accepts 18 to 32 Vdc input power.
Power Consumption: Draws 0 Watts from the supply.
Input Current per Channel: Provides 6.4 mA for each input.
Fuse Type: TR5, rated at 50 mA (quantity 40).
Certification: OrdLoc, HazLoc, ATEX, and IECEx approved.
Total Channels: 40 individually fused digital input channels.
Installation and Application Guide
Mount the T8800 inside a Trusted TMR system cabinet. Connect the 18-32 Vdc power source to the FTA. Each input channel includes its own 50 mA TR5 fuse. Replace blown fuses with the exact same TR5 type. The ICS Triplex T8800 works directly with Trusted digital input modules. Keep the input current at 6.4 mA per channel for proper operation. This FTA carries multiple hazardous location certifications. Install the unit according to ATEX and IECEx requirements. Use shielded cables for long field wiring runs.
Package Contents
One ICS Triplex T8800 digital input FTA board.
40 pre-installed TR5 fuses (50 mA each).
Mounting hardware and terminal blocks.
Product documentation and wiring diagram.
Frequently Asked Questions (FAQ)
Q: What field devices work with the T8800 inputs?
A: The T8800 accepts dry contacts, proximity switches, and push buttons. Each channel provides 6.4 mA of sourcing current.
Q: Why does this FTA consume zero watts of power?
A: The T8800 draws all its operating current from the input field devices. No additional power supply is needed for the FTA itself.
Q: Can I use a different fuse rating than 50 mA?
A: No, always use the specified 50 mA TR5 fuse. A higher rating may damage the Trusted input module.
Q: What does the HazLoc certification allow me to do?
A: You can install the ICS Triplex T8800 in hazardous locations. The unit carries ATEX and IECEx approvals for gas and dust environments.
Q: How do I know if a channel fuse has blown?
A: Check the input status on your Trusted processor. A blown fuse will show a permanent off state for that channel.
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