TECHTOP TD350 - Page 329

TD350 Series VFD Extension cards
-324-
The following figure shows the external wiring of the PG card when it is used in combination with an
open-drain collector encoder. A pull-up resistor is configured in the PG card.
+24V
PE
COM
S4
S3
S2
S1
HDIB
PW
HDIA
A1-
B1+
B1-
Z1+
Z1-
R
S
T
U
V
W
U
V
W
M3~
PG
AO
BO
ZO
pulse A
pulse B
A2+
A2-
B2+
B2-
CNC
PLC
PLC
A1+
Z2+
Z2-
AGND
PWR
Z
B
A
Forward running
Forward jogging
Fault reset
The following figure shows the external wiring of the PG card when it is used in combination with a
push-pull encoder.
+24V
PE
COM
S4
S3
S2
S1
HDIB
PW
HDIA
A1-
B1+
B1-
Z1+
Z1-
R
S
T
U
V
W
U
V
W
M3~
PG
AO
BO
ZO
pulse A
pulse B
A2+
A2-
B2+
B2-
CNC
PLC
A1+
Z2+
Z2-
AGND
PWR
Z
B
A
PLC
Forward running
Forward jogging
Fault reset