DI3301S2 Triconex Communication Model

The Triconex DI3301S2 is a 8-channel digital input module designed for Triconex Tricon series safety instrumented systems (SIS). Engineered with Triple Modular Redundancy (TMR) architecture, it provides reliable, fault-tolerant signal acquisition for critical safety applications.

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Description

Triconex DI3301S2 Product Introduction
Brand Triconex
Model Number DI3301S2
Product Name TMR Digital Input Module (8-channel)
Dimensions 163 mm (L) * 38 mm (W) *58 mm (H)
Weight Approx. 0.9 kg (net)
Country of Origin United States
HS Code: 85437090
Temperature Specifications
Operating temperature: -40°C to +70°C
Storage temperature: -40°C to +85°C
Relative humidity: 5%–95% (non-condensing)

DI3301S2

DI3301S2

Input Specifications
Input channels: 8 independent isolated digital input channels
Input type: Dry contact/wet contact (24 VDC), configurable via software
Nominal input voltage: 24 VDC (operating range: 18–30 VDC)
Input current: 7 mA typical per channel @ 24 VDC
Input thresholds:
OFF: 0–5 VDC
Transition: 6–14 VDC
ON: 15–30 VDC
Input impedance: ≥ 10 kΩ per channel
Response time: ≤ 1 ms (signal state change detection)
Isolation: 1500 VAC channel-to-backplane isolation
Input logic: Programmable NO/NC (normally open/normally closed)

DI3301S2

DI3301S2

Output Specifications
Status indication: Multi-color LED indicators for channel status, power, fault, and TMR voting
Communication: Backplane high-speed bus (≥ 1 Gbps) for Tricon controller integration
Diagnostic outputs: Internal fault signaling to system controller; supports SOE (Sequence of Events) recording
Hot-swap capability: Full hot-swappable for replacement without system shutdown
Product Features
1.Triple Modular Redundancy (TMR): 2-out-of-3 voting logic for fault tolerance; single-channel 2.failures do not affect operation
3.SIL 3 certified: Complies with IEC 61508 SIL 3 safety standards
4.Full channel isolation: Prevents cross-channel interference and ground loops
5.Ultra-fast response: ≤ 1 ms input signal detection for critical safety functions
6.Comprehensive diagnostics: >99% fault detection coverage; Force-to-Value (FVD) diagnostics
7.Wide temperature tolerance: Operates in extreme industrial environments (-40°C to +70°C)
8.High vibration/shock resistance: Meets IEC 60068-2-6 (vibration) and IEC 60068-2-27 (shock) standards
9.Long MTBF: ≥ 500,000 hours mean time between failures
10.Hot-swappable design: Online module replacement without system interruption
11.Software configurability: Field-programmable input type, logic, and filtering via TriStation
12.Global certifications: CE, UL, TÜV AK 6, ATEX approved
13.RoHS compliant: Meets environmental protection standards
14.Seamless integration: Compatible with Triconex 3000/4000/5000 series SIS systems
15.Flame-retardant housing: UL 94 V-0 rated for industrial safety

DI3301S2

DI3301S2

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Shipping:
1. Your item will be shipped to all countries via EMS, unless one country cannot be shipped via EMS. We will choose DHL, UPS, or FedEx. Please leave us your phone number.
2. We will ship the product to you on the same day or within 1-2 working days after receiving your payment. The shipping time depends on the country/region where you reside, the customs and habits of your country/region, and especially during peak hours.
3. Assuming (assuming) that the item requires payment of tariffs from your country, the buyer is obligated. We are not responsible for any taxes or customs fees in your country/region.

Return Policy:
1. Please contact us before returning the item.
2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.

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