Technical data
Operation Manual
b maXX safe PLC
BMC-M-SAF-02
Document no.: 5.07020.04
111
D
D.2.3
EMC properties
D.3
Pin configuration of sub-D socket for RS232 interface
D.4
Pin configuration of sub-D socket for RS485 interface
EMC resistance / emission
in accordance with EN 61000-6-2 / EN
61000-6-4
Pin no.
Configuration
9-way sub-D socket
1
Not allocated
2
TxD (transmit data)
3
RxD (receive data)
4
Connected to pin 6
5
GND (signal ground)
6
Connected to pin 4
7
CTS (clear to send)
8
RTS (request to send)
9
Not allocated
NOTICE!
The signal grounds of the RS232 and RS485 interfaces are connected to one anoth-
er.
Pin no.
Configuration
9-way sub-D socket
1
TxD- (transmit data negative)
2
VCC (+5 V output for supply of external
RS485/RS232 converter)
3
GND (signal ground RS232 / RS485)
4
GND (signal ground RS232 / RS485)
5
RxD- (receive data negative)
6
RxD+ (receive data positive)
7
GND (signal ground RS232 / RS485)
8
GND (signal ground RS232 / RS485)
9
TxD+ (transmit data positive)
Содержание b maXX BMC-M-SAF-02
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