RS232
Wieland Electric GmbH | BA000917 | 01/2019 (Rev. B)
27
Example of the PC connection to router:
•
Cable KD2 is connected to serial port PC (example COM1)
Example of the RS232 equipment connection to router (possibility to use all
RS232 ports):
7.3
Port status
LED port indicator
Green LED
Indicates receive data
Yellow LED
Indicates transmit data
Status indication is supported from 4
th
revision of boards.
7.4
Technical specifications
Expansion port RS232
Power supply
Internal
+3.3 V
Environment
Operating temperature
-30 … +60 °C
Storage temperature
-30 … +85 °C
Standards
Emission
EN 55022/B
Immunity
ETS 300 342
Safety
EN 60950
Isolation
EN 60747
RS232 specifications
(EN 1434)
Max. operating bus current
15 mA
Max. data rate
230400 bps
Max. overvoltage
±30 V
Max. total cable length
(300 Bd, 200 nF/km)
20 m
Figure 14: PC connec-
tion to the router
Figure 15: RS232
equipment connection
to router
Table 15: RS232 status
indication
NOTICE
Table 16: RS232 Tech-
nical specifications