Exchange Of Position Sensor; Dismounting; Pme120-An (For Separate Electronic Unit); Pme120-Ai (With Integrated Electronic Unit) - ABB PME120-AI Service Instruction

PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A

7 Exchange of position sensor

Dismounting

1. Drive actuator into 50 % position.
2. Delete the current position settings by pressing the drive
buttons on the LCP for at least 5 sec.
3. Switch-off the voltage supply.

PME120-AN (for separate electronic unit)

Figure 31: Dismounting PME120-AN
1. Remove the rear actuator cover.
2. Undo the two fastening screws
pull the sensor out of the gears.
3. Disconnect the plug of the cable
1 of the position sensor and
2 on the pcb.

PME120-AI (with integrated electronic unit)

Figure 32: Removal of connection pcb at PME120-AI
Figure 33: Free access to sensor of PME120-AI
1. Remove the electronic unit (see Removal of integrated
electronic unit on page 15).
2. Loosen the 4 screws 1
pcb aside.
3. Undo the two fastening screws
pull the sensor out of the gears.
4. Disconnect the plug of the cable
of the connection pcb and push the
of the position sensor and
2
on the pcb.
3
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