The difference of those devices can be found in their input and output characteristics.
CI581-CN: Input/
Parameter
Output charac-
Inputs and outputs
teristics
Resolution of the analog channels
Fast counter
CI582-CN: Input/
Parameter
Output charac-
Inputs and outputs
teristics
1.7.2.2
CI581-CN
●
4 analog inputs (resolution 12 bits plus sign)
●
2 analog outputs (resolution 12 bits plus sign)
●
8 digital inputs 24 V DC
●
8 digital outputs 24 V DC, 0.5 A max
●
Module-wise galvanically isolated
●
Fast counter
●
XC version for use in extreme ambient conditions available
2022/01/31
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply, short circuit and continuous overvoltage up to 30 V DC.
3ADR010278, 3, en_US
Communication interface modules (S500) > CANopen
Value
8 digital inputs (24 V DC; delay time configu-
rable via software)
8 digital transistor outputs (24 V DC, 0.5 A
max.)
4 analog inputs, configurable as:
●
-10 V...+10 V
●
0 V...+10 V
●
-10 V...+10 V (differential voltage)
●
0 mA...20 mA
●
4 mA...20 mA
●
Pt100 , Pt1000, Ni1000 (for each 2-wire
and 3-wire)
●
24 V digital input function
2 analog outputs, configurable as:
●
-10 V...+10 V
●
0 mA...20 mA
●
4 mA...20 mA
12 bits
Integrated, configurable operating modes
Value
8 digital inputs (24 V DC)
8 digital transistor outputs (24 V DC, 0.5 A
max.)
8 configurable digital inputs/outputs (24 V DC,
0.5 A max.)
Device specifications
619