User Manual RCx-B-xxxAx-8.09
Page 5 of 18
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Rev.2021.8 [email protected]
Control Signal and Feedback
Locate the correct connection terminals/wires as shown on the previous page, then connect your input signal
on positions 1 and 2 (yellow and blue wires) as shown below. Feedback, if applicable is connected to
position 4 (grey wire).
1 2 3 4 5 6
P1
4-20 mA Signal source, user
powered
-
+
Actuator
SIGNAL GND
RCx-B-xxxAx
Internal
RES
R66
NOTE 1:
Usually, the actuators are
shipped for 4-20 mA signal input.
For 1-5 V signal input, remove 250 ohm
resistor R66.
The actuator 4-20 mA output is internally supplying the signal current and can drive sufficient voltage for any
sensing resistor of up to 250 ohms.
The potential of the external GND after the sensing resistor may not be more than +6 VDC / -2 VDC away from
the power GND of the actuator.
This feedback signal output is only available in RCx-AC-B-xxxAF model actuators.
External
4-20 mA
Sensing
resistor
NC
NOTE 3:
DO NOT CONNECT pin 4
directly or through a multimeter only to
ground.
A sensing resistor of 50 ohms or more
needs to be present.
Not observing this warning will damage
the equipment.
NOTE 2:
Signal Gnd. is NOT
ISOLATED from Power Gnd. in all
RCx-AC-B-xxxAB basic models.
If your signal Gnd. is different from
Power Gnd. use HANBAY
RCx-B-xxxAI or RCx-B-xxxAF model
actuators.
B B B B
4 3 2 1
