Omron V500-R2 Series, User Manual

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103
V500-R2 series
User’s Manual
Sec
tion
5
Ex
ample of
M
ulti-d
rop Conne
ct
ion
Section 5
Example of System Configuration
Setting at bar code reader side
Set as follows, using EDA command (collective setting for link unit connection).
p.61
Setting at link unit V700-L12 side
* In case of connection example shown here, termination resistors of the machine No. 3 and the upper
equipment (interface converter) are turned ON.
Specification and wiring of the link unit p.103
Setting item Setting content Command
Communication speed 9600 bps (Same as initial setting)
Data length 8-bit (Same as initial setting)
Parity Even number L3
Stop bit 1-bit (Same as initial setting)
Header None (Same as initial setting)
Footer CR (Same as initial setting)
RS/CS control None P0
Process when reading is NG ? [CR] or > [CR] is transmitted 5H
Other setting Same as factory default
setting. -
Setting item Setting content Setting
Machine No. Set the machine No. differing in each link unit Set DIP-SW 1 to 5.
Communication
speed 9600 bps DIP-SW 6, 7 are OFF
Transmission
procedure Normal procedure (polling procedure) DIP-SW8 is OFF
Connection check None DIP-SW9 is OFF
RS-485 termination
resistance 2 sets on both sides of transmission path are
turned ON (*) In case when turned ON, DIP-
SW10 is ON