Wiring - YASKAWA Varispeed G7 Series Instruction Manual



Wiring

Wiring examples are provided in the following illustrations for the option boards.
 Wiring the PG-A2
Wiring examples are provided in the following illustrations for the PG-A2.
PG power
supply
+12 V
Short for
open-col-
lector
input
Pulse
input
-42
2
Inverter
Three-phase, 200
VAC (400 VAC)
R/L1
S/L2
T/L3
Fig 2.23 Wiring a 12 V Voltage Input
Three-phase,
Inverter
200 VAC (400 VAC)
R/L1 U/T1
S/L2 V/T2
T/L3 W/T3
4CN
•
Shielded twisted-pair wires must be used for signal lines.
•
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.
•
The length of the pulse generator's wiring must not be more than 100 meters.
Fig 2.24 Wiring an Open-collector Input
Fig 2.25 I/O Circuit Configuration of the PG-A2
U/T1
V/T2
W/T3
PC-A2
+12 V power supply
1
0 V power supply
2
4CN 4CN
3
4
12 V voltage input (A/B phase)
TA1
5
Pulse 0 V
6
E
E
7
TA2 (E)
8
PG-A2
+12 V power supply
1
0 V power supply
2
4CN
3
4
TA1
Pulse input (+)
5
Pulse input (-)
6
E
E
7
TA2 (E)
8
Pulse monitor output
(Short circuit across
terminals 3-4)
Pulse monitor output
Pulse input
Pulse
monitor
output