GD350A series high-performance multifunction VFD
-328-
Master
device
Slave device 2
RJ45
RJ45
Slave device 1
RJ45
RJ45
Slave device n
RJ45
RJ45
Switch
A.7 PG expansion card function description
A.7.1 Sin/Cos PG card——EC-PG502
The terminals are arranged as follows:
PE
AO+
BO+
ZO+
A1+
B1+
R1+
A2+
B2+
Z2+
PWR
GND
AO-
BO-
ZO-
A1-
B1-
R1-
A2-
B2-
Z2-
GND
C1+
C1-
D1+
D1-
Indicator definition:
Indicator
Name
Function
LED1
Disconnection
indicator
This indicator is off when A1 and B1 of the encoder are
disconnected; it blinks when C1 and D1 of the encoder are
disconnected; and it is on the encoder signals are normal.
LED2
Power
indicator
This indicator is on after the control board feeds power to the
PG card.
LED3
State
indicator
This indicator is on when the expansion card is establishing a
connection with the control board; it blinks periodically after the
expansion card is properly connected to the control board (the
period is 1s, on for 0.5s, and off for the other 0.5s); and it is off
when the expansion card is disconnected from the control
board.
