Econ OP320 - Siemens S7-200 Series PLC

Page
74
of
86
Pages
The connect
ion
diagram
o
f OP
-
FX
-
CAB0
1 TD+
2
RD
-
6 TD
-
1
RD
+
OP
s
id
e
8 RD
-
4
TD
-
PLC
s
id
e
（
9PIN
）
9 RD+
7
TD+
（
8PIN
）
5 GND
3
GND
Note: it is
normal
for OP320, OP320
-
A, OP520.
7
-
3
Siemens
S7
-
200 series PLC
OP series can communicate with
the
program port
or extension port of S7
-
200 series PLC
via PPI protocol.
Item
Content
OP320
communication
port
RS485 communication port
PLC
communication
port
Programming port or expansion port
The default communication
parameter
9600 bps, 8 bit, 1 stop, Even
ID
2
C
ommunication distance
(the
farthest)
100 m (twisted
-
pair)
Communication
format
RS485
The type of the cable
OP
-
S7
-
CAB0
The corresponding addresses of the
switch value
M000
-
M317
The corresponding addresses of the
digital value
VW000
-
VW4096