93
V500-R521B2/C2
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 UC command (collective setting for link unit connection).
p.60
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.93
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
V500-R521.book 93 ページ 2008年7月18日 金曜日 午後1時1分