Siemens FC361 Series - Page 53

Installation
Accessories
6
A6V10421795_en--_k
53 | 151
T
Participant with RS232 interface
RS485
PIN
Designation
Description
4
RS485_A
Line A
3
RS485_B
Line B
2
-
Not connected
1
-
Not connected
Admissible cable cross-section: 0.2…1.5 mm²
T1
First participant
Tn
Last participant
*) Stub lines must not exceed 20 m!
● Do not forget about the polarity A, B!
● Up to eight participants are allowed.
● Terminate the line after the last participant with 120 Ω!
● Use shielded cables.
Configuration:
The participant address and communication trouble setting can be configured in
‘FC360 Panel Configurator’. See document A6V10450595 for more details. Other
parameter settings are not configurable.
X3
6
5
7
8
RTS
TXD
DTR
RXD
0 V
CTS
DSR
DCD
DTE-HOST
T
1
2
3
4
3
4
X2
RS485_B
RS485_A
T1
Tn
2
1
*)
A
B
RS485 module