Wiring - YASKAWA Varispeed G7 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.
Three-phase, 200
VAC (400 VAC)
Three-phase,
200 VAC (400 VAC)
•
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.
PG power
supply
+12 V
Short for
open-col-
lector
input
Pulse
input
Inverter
R/L1 U/T1
S/L2 V/T2
T/L3 W/T3
PC-A2
4CN 4CN
E
E
TA2 (E)
Fig 2.23 Wiring a 12 V Voltage Input
Inverter
R/L1 U/T1
S/L2 V/T2
T/L3 W/T3
PG-A2
4CN 4CN
E
E
TA2 (E)
Fig 2.24 Wiring an Open-collector Input
Fig 2.25 I/O Circuit Configuration of the PG-A2
Installing and Wiring Option Boards
+12 V power supply
1
0 V power supply
2
3
4
12 V voltage input (A/B phase)
TA1
5
Pulse 0 V
6
7
Pulse monitor output
8
+12 V power supply
1
0 V power supply
2
(Short circuit across
3
terminals 3-4)
4
TA1
Pulse input (+)
5
Pulse input (-)
6
7
Pulse monitor output
8
Pulse input
Pulse
monitor
output
35
2-