Applied Motion BLuAC5-Q - Manual (Page 27)

27
BLuAC5 S/Q Hardware manual
920-0049 Rev. C
12/8/2014
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:
BLU Servo
+
DC
Power
Supply
–
Limit
Sensor
output
+
–
COM
CW LIMIT
If the sensor output goes low at the limit, select the option “closed” (in the software). 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:
BLU Servo
+
DC
Power
Supply
–
Proximity
Sensor
output
+
–
CW LIMIT
COM
BLU
Servo
+
12-24
VDC
SUPPLY
-
CW LIMIT
XCOM
CCW LIMIT