HBM we2111 - Page 24

WE2111
24 A3983-1.0 en/de/fr
Contact assignment Serial 1
Connector socket Function Contact No.
(Pin)
Abbreviation
1
5
6
9
RS-232 Receive 2 RX1
RS-232 Transmit 3 TX1
RS-232 Ground 5 GND1
RS-422/485 Receive A (-) 6 RA
RS-422/485 Receive B (+) 7 RB
RS-422/485 Transmit A (-) 8 TA
RS-422/485 Transmit B (+) 9 TB
Cable shield: Attach to connector housing
If the RS-422/485 interface is not used, the inputs must
not be used. These contacts are connected through to
the second serial interface Serial 2.
The termination resistors required for the RS422/485
interface are integrated in the WE2111 and are activated
via software.
Contact assignment Serial 2
Connector socket Function Contact No.
(Pin)
Abbreviation
1
5
6
9
RS-232 Transmit 3 TX2
RS-232 DTR Handshake 4 DTR
RS-232 Ground 5 GND2
RS-422/485 Receive A (-) 6 RA
RS-422/485 Receive B (+) 7 RB
RS-422/485 Transmit A (-) 8 TA
RS-422/485 Transmit B (+) 9 TB
Cable shield: Attach to connector housing