Pilz PSSu E S RS485 - Manual (Page 32)

6.3 Connecting the module
6 Wiring
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]
6-6
6.3 Connecting the module 6300 Connecting the module 6- ][Anschluss RS485 Ser
Input and output circuit Without C-rail With C-rail
Full duplex mode
Half duplex mode
INFORMATION
The signal lines are equipped with internal terminating resistors.
As a result, the module should be used as the first or last device
when several devices are networked via the serial interface.
21 11
22 12
23 13
24 14
Tx+
Tx+
Rx+
GND
GND GND
Rx+
Tx- Rx-
Tx-
Rx-
21 11
22 12
23 13
24 14
Tx+
Tx+
Rx+
GND
GND GND
Rx+
Tx- Rx-
C C
Tx-
Rx-
21 11
22 12
23 13
24 14
Tx+
Tx+/Rx+
GND
GND GND
Rx+
Tx- Rx-
Tx-/Rx-
21 11
22 12
23 13
24 14
Tx+
Tx+/Rx+
GND
GND GND
Rx+
Tx- Rx-
C C
Tx-/Rx-