-12-
If the sensor output goes low at the limit, select the option “closed”. If the output is open, or high
voltage, choose “open”.
Other sensors have
sourcing
outputs. That means that current can flow out of the sensor output, but
not into it. In that case, wire the sensor this way:
If the sensor output goes high at the limit, choose the program option “closed”. if the output is low at
the limit, select “open”.
Si5580
CCW LIMIT+
CCW LIMIT-
CW LIMIT-
+
5-24
VDC
SUPPLY
-
CW LIMIT+
Si5580
CW LIMIT-
+
DC
Power
Supply
–
Limit
Sensor
CW LIMIT+
output
+
–
Si5580
LIMIT-
+
DC
Power
Supply
–
Proximity
Sensor
LIMIT+
output
+
–
Wiring a Mechanical Limit Switch
You can use normally open or normally closed limit switches. Either way, wire them as shown here.
Wiring a Limit Sensor
Some systems use active limit sensors that produce a voltage output rather than a switch or relay
closure. These devices must be wired differently than switches.
If your sensor has an open collector output or a
sinking
output, wire it like this:
Wiring for Sinking or Open Collector Output
Wiring for Sourcing Output
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