6.8.1
RS232 interface
The connections for this interface are already described in section 6.6.
Factory default
Baud rate
1200
2400
4800
9600
19200
38400
57600
115200
Table 26: Factory default
RS232
interface
General interface information (factory setting):
Coding:
RTU
Parity:
Even
Stop bits:
1
Note
If the remote station, such as
PLC
/
FACP
, requires other settings, these can be set via the configuration
wizard in the graphical user interface
GUI d-LISTconfig
(→ Operating manual
60T340
).
Important note
This interface is not active at the factory setting. It must be switched from
RS485
to
RS232
via the con-
figuration
wizard
in the graphical user interface
GUI d-LISTconfig
(→ Operating manual
60T340
).
6.8.2
RS485 interface
Communication via galvanically isolated
RS485
interface is available at
P301
and
P302
of the device. Both connect-
ors can be used as input or output for data transmission (→ 3.19).
Contact at P301 / P302
Signal
Cable colour
PE
Cable shield (insulate with heat shrinkable tubing)
[BK]
485-G
RS485
GND
(twisted pair cable)
[WH/OG] or [OG]
A
RS485 – A
(twisted pair cable)
[WH/BU]
B
RS485 – B
(twisted pair cable)
[BU]
Table 27: Pin assignment at
P301
/
P302
Note
For communication via
RS485
serial interface, the corresponding standard must be complied with.
Factory default
Baud rate
1200
2400
4800
9600
19200
38400
57600
115200
Table 28: Factory default
RS485
interface
General interface information (factory setting):
Coding:
RTU
Parity:
Even
Stop bits:
1
60T328-02-LI-en / 29.01.2021
LISTEC GmbH
Page 57/112
Fig. 113: Circuit board cut-out for
MB SCI 835
terminal block →
RS485
interface
