2-44
I/O Circuit Configuration
+12 V
0 V
+12 V
0 V
+12 V
1 K
2 K 2 K
3 K
3.9 K
0 V
0 V
+12 V
1 K
PG power
supply +12 V
Pulse input
Pulse input
Pulse
monitor
output
Note
When connecting to a voltage-output-type PG (encoder), select a PG with an output impedance
of no more than 3 kΩ.
D 3G3FV-PPGB2 (For Flux Vector Control Mode Only)
Three-phase 200 VAC
(400 VAC)
A-phase pulse
monitor output
B-phase pulse
monitor output
Encoder
Power supply +12 V
Power supply 0 V
Power supply +12 V
A-phase pulse output
B-phase pulse output
Power supply +12 V
L1
L2
L3
T1
T2
T3
3G3FV-PPGB2
Note 1. Twisted-pair shielded wire must be used for signal lines.
Note 2. Do not use the pulse generator’s power supply for anything other than the pulse generator
(encoder). Using it for another purpose can cause malfunctions due to noise.
Note 3. The length of the pulse generator’s wiring must not be more than 30 meters.
Installation Chapter
2
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