Hardware Accessories
157
2
Assigning Addresses to GV-I/O Box 8
Up to 9 pieces of GV-I/O Box 8 can be chained together to expand the I/O capacity. Use the
ID switch (1~9) to assign addresses 1~9 to the connected pieces of GV-I/O Box 8.
GV-IOBOX 8
Output
Input
DC 12V
D
com.D
DO 8
DO 7
DO 6
DO 5
C
com.C
DO 4
DO 3
DO 2
DO 1
RS- 485 RX
RX- 485 TX
B
com.B
DI 8
DI 7
DI 6
DI 5
A
com.A
DI 4
DI 3
DI 2
DI 1
USB RX
USB TX
GV-IOBOX 8
Output
Input
DC 12V
D
com.D
DO 8
DO 7
DO 6
DO 5
C
com.C
DO 4
DO 3
DO 2
DO 1
RS- 485 RX
RX- 485 TX
B
com.B
DI 8
DI 7
DI 6
DI 5
A
com.A
DI 4
DI 3
DI 2
DI 1
USB RX
USB TX
GV-IOBOX 8
Output
Input
DC 12V
D
com.D
DO 8
DO 7
DO 6
DO 5
C
com. C
DO 4
DO 3
DO 2
DO 1
RS- 485 RX
RX- 485 TX
B
com.B
DI 8
DI 7
DI 6
DI 5
A
com.A
DI 4
DI 3
DI 2
DI 1
USB RX
USB TX
F
i
gure 2-40
ID Switch
B
E
1. Addresses 0 and A to F are NOT functional.
2. Assign the addresses when the power is off.
3. If you want to change the assigned address of the connected GV-I/O
Box 8, set the switch to the new address, and then re-plug the power
adaptor.
