Table of Contents
Advertisement
Deployment PtP communication
Deployment of RS485 interface for PtP
Setting PtP parameters
Properties RS485
RS485
88
1.
By double clicking the CPU 317-4PN23 placed in the slave system the properties
dialog of the CPU may be opened.
2.
Switch the Parameter 'Function RS485 X3' to 'PtP' .
n
Logical states represented by voltage differences between the two cores of a twisted
pair cable
Serial bus connection in two-wire technology using half duplex mode
n
n
Data communications up to a max. distance of 500m
n
Data communication rate up to 115.2kbaud
9pin SubD jack
Pin
RS485
1
n.c.
2
M24V
3
RxD/TxD-P (Line B)
4
RTS
5
M5V
6
P5V
7
P24V
8
RxD/TxD-N (Line A)
9
n.c.
VIPA System 300S
HB140 | CPU | 317-4PN23 | en | 18-01
+
Advertisement
Table of Contents
