Example Of Multi-Drop Connection - Omron V500-R521B2 User Manual

Section 5
Example of System Configuration

Example of Multi-drop Connection

When communication link unit V700-L12 (sold separately) is used, you can connect max. 31
sets of the bar code reader to one upper equipment. This is called multi-drop connection.
Connection configuration differs according to the interface (RS-485 or RS-232C) of the upper
equipment side.
Example of connecting communication link unit (hereinafter referred to as "link unit") and the
upper equipment using RS-485 is described in this section.
You can supply 5 V power to the bar code reader from V700-L12.
Upper equipment
PC/AT compatible PC
Bar code reader
V500-R521C2
V500-R521B2/C2
92
User's Manual
Communication converter
K3SC
RS-232C
Communication link unit
V700-L12
Special cable
V509-W019
RS-485
RS-485
Machine
Machine
No. 01
No. 02
Power supply
24 VDC
S8VS-03024
External trigger
Input terminal
RS-485
Machine
No. 03