Goodrive3000 series medium voltage VFD
Optional peripheral accessories
-235-
PG card open-collector output
COM1
OB
OA
PWR
COM1
IB-
IB+
IA-
IA+
A
B
Encoder signal
input terminals
Optocoupler
Optocoupler
Optocoupler
Optocoupler
Frequency divided
signal output
terminal
User end
Frequ
ency
divisio
n circuit
Figure 11-9 Wiring diagram of PG card frequency-divided open collector output
Note: During open collector output, PWR at J1 and that at J2 are short connected to COA and COB.
③
PG card frequency-divided push-pull output connection
F
re
q
u
e
n
c
y
Push-pull output of PG card
d
iv
is
io
n
c
irc
u
it
PWR
COM
AO+
AO-
BO-
BO+
OA
OB
COM
Figure 11-10 Wiring diagram of PG card frequency-divided push-pull output
Note:
1.
Note: During push-pull output, PWR at J1 and that at J2 are short connected to HOA and HOB.
2.
Incremental encoder PG cards are mainly used to closed-loop vector control on asynchronous motors.
11.1.3 Resolver encoder PG card
11.1.3.1 Terminal and description
The resolver encoder card has one signal line interface and three user terminals, as the following figure:
1
5
6
9
OUT_A
OUT_B
COM
Figure 11-11 Terminal diagram
Input terminal:
Terminal symbol
Terminal name
Description
1
SIN+
Encoder signal input
2
SIN-
3
COS+
4
GND
5
Empty
