Yaskawa Matrix Converter User Manual Page 64

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2-30
Wiring
Wiring examples are provided in the following illustrations for the option cards.
Wiring the PG-B2
Wiring examples for the PG-B2 are provided in the following illustrations.
Shielded twisted-pair wires must be used for signal lines.
Do not use the pulse generator power supply for anything other than the pulse generator (encoder).
Using it for another purpose can cause malfunctions due to noise.
The length of the pulse generator wiring must not be more than 100 meters.
The direction of rotation of the PG can be set in parameter F1-05. The factory preset is Phase A leads
with a forward run command.
Fig 2.25 PG-B2 Wiring
When connecting to a voltage-output-type PG (encoder), select a PG that has an output impedance with
a current of at least 12 mA to the input circuit photocoupler (diode).
The pulse monitor dividing ratio can be changed using parameter F1-06 (PG division rate).
The pulse monitor emitter is connected to common inside the PG-B2. The emitter common must be used
for external circuits.
Fig 2.26 I/O Circuit Configuration of the PG-B2
Three-phase
200 VAC (400 VAC)
MxC
4CN
EE
4CN
TA1
1
2
3
4
TA2
TA3 (E)
1
2
3
4
5
6
PG-B2
IM PG
R/L1
S/L2
R/L3
U/T1
V/T2
W/T3
Power supply +12 V
Power supply 0 V
A-phase pulse input (+)
A-phase pulse input (-)
B-phase pulse input (+)
B-phase pulse input (-)
A-phase pulse monitor output
B-phase pulse monitor output
1
TA1
2
3
4
5
6
+12 V
0 V
150 180
150 180
470
150 180
150 180
470
1
2
3
4
TA2
PG power
supply +12 V
A-phase pulse
input
B-phase pulse
input
A-phase
pulses
B-phase
pulses
Division rate
circuit
B-phase pulse
monitor output
A-phase pulse
monitor output
A-phase pulses
B-phase pulses
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