TECHTOP TD350 - Page 327

TD350 Series VFD Extension cards
-322-
The following figure shows the external wiring of the extension card used in combination with a
differential 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+
AO-
BO+
BO-
ZO+
ZO-
pulse A
pulse B
A2+
A2-
B2+
B2-
Forward
jogging
Forward
running
CNC
PLC
Upper computer
A1+
Fault reset
Z2+
Z2-
PGND
PWR
5V
12V
SW1
A.7.5 24 V multi-function incremental PG card (EC-PG505-24)
The terminals are arranged as follows:
PE
AO
BO
A1+
B1+
Z1+
A2+
B2+
Z2+
PWR
GND
PGND
ZO
A1-
B1-
Z1-
A2-
B2-
Z2-
PGND
Indicator definition
Indicator No.
Definition
Function
LED1
State indicator
On: The extension card is establishing a connection with
the control board.