Omron V500-R521B2 User Manual page 106

Section 5
Example of System Configuration
Connection with upper equipment
When connected with RS-232C
Upper equipment
DIP-SW 1 to 5: Set to machine No. 1
DIP-SW10:
How to deal in case when RS signal control on the upper
equipment is impossible
Connect the upper equipment to the RS-485 communication line using K3SC-10, which
makes communication switching control using RS signal unnecessary.
Upper equipment
RS-232C
DIP-SW 1 to 5: Set to machine No. 1
DIP-SW10:
V500-R521B2/C2
108
User's Manual
Bar code
reader
RS-232C
24 V power
source
With termination
resistance (ON)
When connecting with 1:N using the link unit, it is required to input the RS signal normally
controlled by the upper equipment to the CS signal. Turn OFF the RS signal within 15 ms after
data transmission is finished. This control should be performed for normal operation.
Bar code
reader
24 V power
RS-485
No termination
resistance (OFF)
Total length: Max. 1 km
Bar code
reader
24 V power
source
Set to machine No. 3
Set to machine No. 2
No termination
No termination
resistance (OFF)
resistance (OFF)
Total length: Max. 1 km
Bar code
Bar code
reader
reader
24 V power
source source
Set to machine No. 2 Set to machine No. 3
No termination No termination
resistance (OFF) resistance (OFF)
Bar code
Bar code
reader
reader
24 V power 24 V power
source source
Set to machine No. 4
With termination
resistance (ON)
Bar code
reader
24 V power 24 V power
source source
Set to machine No. 4
With termination
resistance (ON)