40
6-3-2. Multi power supply connection to RS232 or RS485 bus
Up to 31 units can be connected to RS232 or RS485 bus. The first unit connects to the controller via RS232 or
RS485 and the other units are connected with RS485 bus.
1. First unit connection:
◆
Refer to
for connecting the first unit to the controller.
2. Other units connection: The other units on the bus are connected via their RS485 interface.
◆
Refer to Fig.6-5 for typical connection.
- Set rear panel setup switch SW1-6 to it's UP position
- Using the Linking cable supplied with each unit (refer to Fig.6-6), connect each unit OUT connector to the next
unit IN connector.
IN
OUT
POWER SUPPLY
#1
IN
OUT
POWER SUPPLY
#2
IN
OUT
POWER SUPPLY
#3
IN
OUT
POWER SUPPLY
#31
RS232/485
RS485
RS485
RS485
Fig.6-5: Multi power supplies RS232/485 connection
L=0.5m typ.
DB-9 connector
8 Pin connector (out)
Pin No.
Name
Pin No.
name
Housing
SHIELD
Housing
SHIELD
1
SG
1
SG
6
TXD-
6
RXD-
3
TXD+
3
RXD+
5
RXD-
5
TXD-
4
RXD+
4
TXD+
Fig.6-6: Serial link cable with RJ-45 shielded connectors
Summary of Contents for PU100-15
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