Consilium SELUX ST, Installation And Service Manual

Page: 70 / 180

SERIAL INTERFACE SPECIFICATION
2.35 Rev. E
2.7 Serial Line 7
It is possible to receive RS422 or RS232 standard signal at 4800 indifferently on TB10 (422).
Note that the circuit is able to receive at 4800 bps also with RS232 connection, but this is not
a standard connection according to the IEC 61162-2 standard.
RS 422 Interface Listener
Connection
+ RX_7 "A" Data Input
- RX_7 "B" Data Input
GND “C” Ground
Input Load
≥ 3 K
Ω
RS 232 Interface Listener
Connection
- RX_7 RX Data Input
GND and + RX_7 Ground
Input Load
≥ 3 K
Ω
RS 232 Output Talker Connection
TX_7 TX Data Output
GND GND
Output Drive 10 mA
The output is the source of RAALR sentences.