Page 138 - PLC Automation

136 MAIN CATALOG PLC AUTOMATION

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AC500
Technical data

Communication interface modules
Type DC551-CS31 CI590-CS31-HA (1) CI592-CS31
Data when using the AI as digital input
Input time delay – 8 ms typically, configurable
from 0.1 up to 32 ms
signal voltage – 24 V DC
Outputs, single configurable as
Possible configuration per AO – 
-10…+10 V – 
0…20 mA / 4…20 mA – 
Output resistance (load) when used as – 0...500 Ω
current output
loading capability when used as – ±10 mA max.
voltage output
04
Potential isolation
Per module   
Between fieldbus interface against the rest of   
the module
Voltage supply for the module By external 24 V DC voltage via terminal UP
Process voltage UP
Nominal voltage 24 V DC
Current consumption on UP
Min. (module alone) 0.100 A 0.100 A 0.070 A
Max. (min. + loads) 0.100 A + load 0.100 A + load 0.070 A + load
Reverse polarity protection 
Fuse for process voltage UP 10 A miniature fuse
Approvals See detailed page 272 or www.abb.com/plc
(1) Dedicated to High Availability.