User’s Manual
21
6
DSR
NC
7
RTS
NC
8
CTS
NC
9
RI
NC
2.3.8 Option CAN /AUDIO
SIGM-3250 provides 2* optional CAN/AUDIO port through 1* d-sub 9-pin connector. Table 2.10 provides
detailed descriptions of pin assignments. (When selecting AUDIO, the signal definition can be customized
according to the line.)
Picture 2.15: optional CAN/AUDIO
Table 2.10: Option CAN Connector Pin Assignments
Pin
Signal
Pin
Signal
1
NC
2
CAN1L
3
CAN1G
4
CAN2L
5
NC
6
NC
7
CAN1H
8
CAN2G
9
CAN2H
2.3.9 DIO
SIGM-3250 provides 8-bit isolation DIO, 2.5KV photoelectric isolation input (H: 5-24V, L: 0-1.5V) and
photoelectric isolation output (200Ma) through 1* d-sub 9-pin connector.
Picture 2.16: DIO
Table 2.11: DIO Connector Pin Assignments
Pin
Signal
Pin
Signal
1
DI0
6
DO0
2
DI1
7
DO1
3
DI2
8
DO2
4
DI3
9
DO3
5
GND
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