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Main technical characteristics of PLC-DI-24 input discrete signals module:

Name of parameter Unit of
measurement
Value
Number of discrete inputs - 24 (one galvanically isolated group)
Rated input voltage, DC V 24
Input voltage range, "ON" state (log. 1), DC V 10 – 34
Input current, "ON" state (log. 1) (upon input voltage 10 V < U < 30 V) 2.8 – 3.6 per channel
Input voltage range, "OFF" state (log. 0), DC V 0 – 4
Minimum input current, "OFF" state (log. 0), max. 2.0 per channel
Data response delay at output upon signal switching at input ms 0, 1 or 3 (hardware-based)
+ from 0 up to 5000 (software-based)
Electrical insulation resistance of galvanically isolated circuits (upon test voltage frequency 50 Hz and testing time 1 min.) V 1000
Electrical insulation resistance of galvanically independent circuits (at U test = 1000 V DС), min MОhm 100
Module address setting from 0 up to 15 - mechanical switching device
Interface for communication with control controller - RS-485 (Modbus-RTU Slave up to 115200 bps) or CAN (from 50 kHz up to 500 kHz)
Connection/disconnection of matching impedance of connection line 120 Ohm - configured with a parameter
Module power supply voltage in +24 V DC circuit V 12 – 34
Module power supply voltage in +5 V DC circuit V 4.7 – 5.5
Consumption power in +5 V circuit W 0.35
Environmental conditions
Operation temperature  °C from -20 up to +45 
Storage temperature  °C from -40 up to +60 
Relative humidity - up to 80 % with no condensed water
Atmospheric pressure kPa from 86 up to 106 (645 – 795 mm Hg)
Operation mode - continuous
Cooling   natural
Type of installation mm DIN rail, 35 mm
Protection level DIN EN 60529:2014 - IP 20