Product Introduction

Specifications
Input points: 32 points
Rated input voltage: 24Vdc
Working voltage range: 15-30Vdc
Absolute maximum input voltage: 33Vdc
Absolute maximum reverse input voltage:- 0.6Vdc
Input delay:< 10ms, on-off or switching time tc=6.4ms, -3dB@25Hz
Input impedance:>30k Ω without substrate, 3k Ω with substrate
Input power: 0.2W/point at 24Vdc, 0.5W/point at 33Vdc
Input threshold: 0-5VDC is the off region, 6-14Vdc is the transition region, 15-30Vdc is the on region
Diagnostic testing time:< 2ms/time
Maximum input flipping rate:<20 timescond
Functional and protective ground isolation voltage: minimum 500Vdc
Functional ground and functional ground (logical ground) isolation voltage: minimum 800Vdc


Functional characteristics
Triple Redundancy Compatibility: Compatible with the Triple Redundancy (TMR) structure of the Triconex system, each TMR digital input

module has three independent electronic channels that can independently process onsite data, ensuring that the system can function properly even if some modules fail.
High Security: Compliant with SIL3 safety standards, suitable for high-risk industrial control scenarios.
Online diagnosis: The module has a comprehensive online diagnosis function, which can continuously diagnose each channel, detect

channel faults, input signal abnormalities and other issues, and provide fault indicator lights and system alarm prompts.
Hot plug support: Supports hot plug for easy expansion and maintenance, reducing system downtime.
Mechanical lock design: Each DI module has a mechanical lock to prevent incorrect installation on the configured base plate.


application area
Safety Instrumented System (SIS): Used to receive safety critical digital input signals, such as emergency stop button status, safety door

switch status, etc., and trigger safety control measures.
Process control: Receive status signals from process sensors, such as pressure, temperature, liquid level switches, etc., to provide judgment

basis for the control system and achieve monitoring and adjustment of the production process.
Emergency Shutdown System (ESD): Used to detect changes in the status of external equipment. When abnormal situations are detected,

emergency shutdown operations are triggered in a timely manner to ensure the safety of personnel and equipment.
Industrial automation production line: It can connect various industrial equipment's switch signals, sensor signals, etc., to achieve automation

control and monitoring of the production line, improve production efficiency and quality.



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