GF EA 21 Bedienungsanleitung Seite 65

Signal configuration
The four DIP switches on the controller print serve for the
configuration of the signals.
DIP switch:
ON
OFF
S1 S2 S3 S4
Switch combination
Signal type S1
0-10 V OFF
4-20 mA ON
S3:
ON: input inverted
OFF: input not inverted
S4:
ON: use S3L Master
OFF: use S3L Slave
Example:
Set signal value 4 – 20 mA, not inverted, use S3L Slave
ON
OFF
S1 S2 S3 S4
S2
OFF
ON
DIP switch
LED's
63