1.Module snapshot
Model: DI3301
Series: Tricon MP (Main-Processor) 3000
Function: 32-channel, isolated, 24 VDC digital input (sink/source)
Safety rating: TÜV-certified to IEC 61508 SIL 3 / AK 6
Hot-spare: yes – replace without dropping the Tricon triple-modular-redundant vote
Typical scan: ≤ 1 ms per 32 pts; fault reaction < 2 ms
Isolation: 1 500 V channel-to-bus; 250 V channel-to-channel
Power draw: 4.5 W max (from Tricon back-plane)
Connector: two 50-pin D-sub, keyed (cable kit 9562-610)
Firmware: V10.3 or later (backward-compatible to Tricon V9)
2.Where it fits
DI3301 occupies any non-safe-slot in a Tricon chassis. Pair it with DO3401 for ESD valve logic, or AI3509 for pressure-trip comparators. All 32 LEDs mirror the field status in real time—no laptop required on the plant floor.
3.“Can I connect my field device?”
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Device Type
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Rated Voltage
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Min ON Current / Voltage
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Max OFF Current / Voltage
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DI3301 Conclusion
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Namur Sensor
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8 V
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> 2.1 mA
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< 0.35 mA
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Supported (internal 1 kΩ)
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Mechanical Contact
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24 V dry contact
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> 15 V
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< 5 V
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Supported, external 10 kΩ pull-up
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Solid State Relay
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24 V
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> 15 V
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< 5 V
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Supported, reverse polarity protection
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2-wire Transmitter
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24 V loop
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> 18 V
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< 9 V
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Not recommended (use AI module)
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4.Comprehensive After-Sales Service
PLC Autocontroller provides:
ü One-year warranty on DI3301 and other modules
ü 24/7 technical support for installation, troubleshooting, and compatibility guidance
ü Global sourcing assistance for discontinued or rare modules
Our professional team ensures continuous operation and reliable system performance for all clients.
What happens next?
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Your quote
You’ll get a fully customized quote to fit your unique needs.
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