MC Technologies MC100 - RS485 Interface 2-Wire Bus Without Galvanic Isolation; CAN-Interface; RS232-Interface

MC100
Mobile programmable gateway
MC Technologies GmbH, Kabelkamp 2, 30179 Hannover, Germany
Tel: +49511 67 69 99-0, Fax: +49511 67 69 99-150, Website & Shop: www.mc-technologies.net, Email: info@mc-technologies.net
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RS485 interface 2-wire bus without galvanic isolation
Port
Description
-/A
Inverted line
+/B
Non-inverted line
GND
Ground / Earth
Note: The RS485 interface is not galvanically isolated.
The RS485 interface can be addressed as /dev/ttymxc4 from the console.
Example: picocom -b 115200 /dev/ttymxc4
Now it is possible to communicate with the RS485 port. RX / TX is switched automatically.
Finally terminate picocom with Ctrl + a + x.
CAN-Interface
Port
Description
CH
CAN High
CL
CAN Low
GND
Ground / Earth
RS232-Interface
Port
Signal
Description
1
nc
Not connected
2
RXD
receive data
3
TXD
Transmit Data
4
nc
Not connected
5
GND
Ground
6
nc
Not connected
7
RTS
Request to Send
8
CTS
Clear to Send
9
nc
Not connected
Note: A hardware handshake is, using RS232 interface, not possible.