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emPC-CXR
(
Hardware Manual
)
•
Installation
©
Janz Tec AG
Rev. V1.2
3.2.6
RS485
If the product is equipped with RS485 interface(s), 5 pin B-coded M12 female connectors are
equipped.
3.2.7
RS232
If the product is equipped with RS232 interface(s), 5 pin B-coded M12 female connectors are
equipped.
3.2.8
Digital IO
4 digital IO signals are available on 8 pin A-M12 female connector.
CAUTION
The digital IO must be powered by a SELV power supply, that complies with the
requirements of a limited energy source (LPS) (By using an appropriate supply or an
external fuse).
Digital IO pins drive VIN-DIO to the output pins (high side switch). Each digital IO pins can be read
back so that it can be used as input as well. See figure 5 for details.
5 pin female M12 B-coded
1 NC
2 DM (A)
3 GND-RS485
4 DP (B)
5 NC
table 6: M12 RS485 connector
5 pin female M12 B-coded
1 RTS (out)
2 TxD (out)
3 GND-RS232
4 RxD (in)
5 CTS (in)
table 7: M12 RS232 connector
8 pin female M12 A-coded
1 VIN-DIO (10..34V DC)
2 DIO4
3 DIO3
4 DIO2
5 DIO1
6 NC
7 NC
8 GND-DIO
table 8: M12 RS232 connector