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Triconex DI 3301 Digital Input Module
Product status: 1.New & Original 2.In Stock
Series: Tricon Safety System
Product Description
The Triconex DI 3301 is a 32-point, commoned 24 VDC digital input module designed for the Trident safety system. It receives discrete signals from switches, contacts and other field devices and transfers their states to the system’s main processors.
The module contains three independent input-processing channels. Each channel scans all input points and sends the results to the main processors, where the data is voted before the control application uses it. Continuous diagnostics, electrical isolation and hot-spare capability support dependable operation in safety-critical installations.
Specifications
Product Type
Digital Input Module
Number of Input Points
32
Nominal Input Voltage
24 VDC
Operating Voltage Range
15–30 VDC
Absolute Maximum Input Voltage
33 VDC
Maximum Reverse Input Voltage
−0.6 VDC
Input Delay
Less than 10 ms, ON-to-OFF or OFF-to-ON
Filter Time Constant
6.4 ms
Input Impedance Without Baseplate
Greater than 30 kΩ
Input Impedance With Baseplate
Approximately 3 kΩ
Input Power at 24 VDC
0.2 W per point
Input Power at 33 VDC
0.5 W per point
OFF Region
0–5 VDC
Transition Region
6–14 VDC
ON Region
15–30 VDC
ADC Scan Time
Less than 1 ms for all 32 points
Diagnostic Method
Force-to-Value Diagnostic
Diagnostic Test Time
Less than 2 ms per test
FVD OFF-State Glitch Duration
Less than 2 ms
Functional-to-Protective-Earth Isolation
500 VDC minimum
Functional-to-Functional-Earth Isolation
800 VDC minimum
Maximum Module Logic Power
3 W
Maximum Primary Field Power
7 W
Application Areas
Emergency shutdown systems
Burner management systems
Fire and gas detection systems
Process interlock and permissive circuits
Valve position and limit-switch monitoring
Pressure and level switch monitoring
Motor and equipment status feedback
Turbine and compressor protection
Oil and gas production facilities
Chemical and petrochemical plants
Power-generation installations
Other Trident-based safety and critical-control systems
Key Features
Triplicated input processing
Three independent channels scan every input point and send their results to the main processors for voting.
Continuous diagnostics
Force-to-Value Diagnostic tests help identify a channel that has lost the ability to observe changing input states.
Thirty-two commoned inputs
Provides high-density monitoring of 24 VDC discrete field signals.
Fast signal acquisition
All 32 points are scanned by the analog-to-digital converter in less than 1 ms.
Input-state filtering
The specified input delay and filter characteristics help prevent short signal disturbances from affecting system logic.
Company Service
One-Year WarrantyNew and Original Products Available
Large In-Stock Inventory
Fast Worldwide Delivery
Careful Packaging Before Shipment
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