Description
Product Overview
The 3501T Digital Input Module from Triconex delivers high-density input capability for mission-critical automation systems. Built for Tricon Systems, this rugged module supports diverse signal types and integrates seamlessly via RS-485 communication.
Engineers rely on the 3501T for its Triple Modular Redundant (TMR) architecture, ensuring fault-tolerant operation in safety instrumented systems (SIS). It withstands extreme temperatures from -40°C to +85°C and offers IP67-rated protection against dust and water ingress.
Each channel supports robust relay outputs rated at 3A@250VAC/30VDC, enabling reliable switching in heavy-duty industrial environments. The module meets global safety standards including UL, CE, and CSA, making it suitable for international deployments.
Its compact form factor and stable performance under power fluctuations make the 3501T a trusted solution for high-availability control systems in oil, gas, chemical, and power sectors.
Technical Specifications
| Parameter |
Specification |
| Model Number |
3501T |
| Manufacturer |
Triconex |
| Product Range |
Tricon Systems |
| Module Type |
Digital Input Module |
| System |
DCS |
| Input Type |
High-density digital signals |
| Relay Output Rating |
3A @ 250VAC / 30VDC |
| Communication |
RS-485 interface |
| Architecture |
Triple Modular Redundant (TMR) |
| Protection Rating |
IP67 dust and water resistance |
| Certifications |
UL, CE, CSA, IEC 61508 SIL3 |
| Operating Temp. |
-40°C to +85°C |
| Dimensions |
49 × 45.3 × 6.8 cm |
| Weight |
2.6 kg |
| HS Code |
8537101190 |
| Condition |
Brand New |
| Lead Time |
In Stock |
| Minimum Order |
1 Unit |
| Origin |
USA |
| Discontinued |
Active |
Applications & Compatibility
The 3501T integrates with Tricon controllers and supports:
-
Safety Instrumented Systems (SIS)
-
Emergency shutdown and interlock logic
-
Harsh environments requiring IP67-rated modules
-
High-reliability digital input in oil, gas, and chemical plants
