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Description:ICS Triplex T3401 is a DC Digital Input Module for monitoring discrete signals.
Product condition: New
Packing condition:Factory Packing
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Manufacturer | ICS triplex |
Item number | T3401 |
Country of Origin | United States |
Lead Time | In stock |
After-Sales Support | 12-months |
HS Code / Commodity code | 8537101190 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
1.Executive snapshot
The T3401 is a 24-channel, triple-modular-redundant (TMR) digital input module that plugs straight into any ICS TRIPLEX 3003 or ICS Plus rack. Every I/O point is voted 3-of-3, giving you SIL 3 / PLe without external marshalling. One module = 24 safety devices, 0 single-points-of-failure.
2.Core specifications (25 °C, nominal 24 Vdc)
Parameter |
ICS TRIPLEX T3401 |
Function |
24 DI, TMR, IEC 61508 SIL 3 |
Input voltage range |
16 – 32 Vdc (ON ≥ 14 V, OFF ≤ 5 V) |
Input current |
3.2 mA @ 24 V per channel |
Scan / refresh |
1 ms (all 24 ch.) |
Isolation |
250 Vrms channel-to-bus, 1500 Vrms channel-to-ground |
Power draw |
4.2 W typical, 6.0 W max |
Connector |
High-density spring-cage, pluggable |
MTBF (Telcordia) |
1 350 000 h |
Temperature |
–40 … +70 °C operational |
Humidity |
5 … 95 % RH non-condensing |
Certifications |
CE, UL, cUL, ATEX, IECEx, ABS, DNV |
3.Mechanical & rack fit
Item |
Value |
Width |
1 slot (30 mm) |
Weight |
0.42 kg |
Hot-swap |
Yes – insertion under power |
Compatible racks |
3003, ICS Plus, T9300 series |
Max modules per rack |
64 (1536 safety DI) |
Why engineers pick T3401
1. Triple voters on-chip – no external redundancy wiring
2. Built-in line-monitoring for NAMUR, dry contacts or proximity switches
3. Automatic discrepancy alarm < 5 ms
4. Firmware flashable online via TriStation 1131 v4.9+
5. May be mixed with T3402 (SOE) or T3431 (pulse-input) in same rack
Services from PLC Autocontroller
² At PLC Autocontroller, we provide:
² Original and new automation parts ready for fast delivery.
² Support for discontinued and hard-to-find models.
² Technical guidance and after-sales support from experienced engineers.
² Worldwide logistics service to ensure timely delivery.
Message May and get it within 30 minutes.
E-mail: ab@mooreplc.com
Phone / WhatsApp: +86-18106909650
WeChat ID: dcsfcs
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