STEP
iAStar Frequency Inverter For Elevator Door Machine manual Instructions
13
16
Deceleration
position of
closing
Signal input terminal of
Deceleration position of
closing
17 spare
18 COM Input public terminal
edcoder
19 PA
OCT，Push / Pull encoder PA
+24V for A2
+12V for A3
20 PB
OCT，Push / Pull encoder PB
21 +24VGND +24V GND
22 VCC +12/+24V power supply
Important：
Points of attention on main loop wiring：
1. Specification of wiring should be consistent with the rules of electrician standards.
2. Inverter earth contact G is better to use special grounding pole, with grounding
resistance below 10Ω.
3. Grounding cable should be as short as possible.
Points of attention on control terminal wiring:
1. In order not to be influenced by noise, the control wire should be less than 50m in
length.
2. Main loop and control loop must be separately jointed, with enough space
between them, so as to avoid incorrect operation; both cables should cross
over one with the other vertically if necessary.
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