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32-Channel Digital Input Module

32-Channel Digital Input Module

Model:UW5311

The UW5311 32-Channel Digital Input Module consolidates 32 channels of switch input, providing a comprehensive interface for digital signal acquisition.Channels are isolated from each other, and channel failure does not affect the normal operation of other channels

32-Channel Digital Input Module Features:


The system automatically identifies the module type and enables plug-and-play;

Photoelectric isolation is used between on-site signals and the system, with an isolation voltage of 1500V;

Channels are isolated from each other, and channel failure does not affect the normal operation of other channels;

The system power distribution adopts a +24V power supply that is independent of the system power supply to ensure complete isolation from the system power supply;

The module has its own over-current protection function. When the current input of the module is too large due to its own fault, it has a self-protection function. When the fault is eliminated, the module returns to normal operation;

Equipped with a combined industrial terminal block, the cage, cage bottom plate, terminal board and connecting cables are eliminated to facilitate user use and maintenance;

It can have built-in input voting algorithm, output voting algorithm, input/output self-test and fault reporting mechanism, and can adopt multiple redundant combinations of single and dual redundancy, and configure redundancy solutions on a module-by-module basis;




Technical Parameters:

Parameter name Technical indicators
Channel configuration 32 switching inputs
Scan cycle 2ms
Logical 1 (minimum) Contact closure resistance<1KΩ(when UW5371 is configured)
Contact level 18~30VDC (configured UW5374)
logical 0 (maximum Contact disconnection impedance>35KΩ(when UW5371 is configured) Contact level 0~5VDC(UW5374 is configured)
Anti-interference EN61000-4-2(ESD), Level 3
EN61000-4-3(RS),Level 3
EN61000-4-4(EFT),Level 3
EN61000-4-5(Surge),Level 3
EN61000-4-6(CS), Level 3
Module size 266mm×81mm×157mm
266mm×146mm×157mm
Power consumption 1W
Distribution power consumption 10mA/CH @24VDC (when configured with UW5371)
Operating temperature -20°℃ ~ 60℃
Matching terminal block UW6371 digital input terminal block
UW6372 dual redundant digital input supporting terminal block UW6374 digital level signal input terminal block
UW637616 AC relay isolation input terminal block





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