104
Sec
tion
5
How to Use Command
L
in
k
Un
it
V7
00-
L1
2
V500-R521B2/C2
User’s Manual
Section 5
Example of System Configuration
ID connection port specification
This is a dedicated port to connect the bar code reader.
Pin arrangement
Item
Specification
Connector specification
D-Sub 9 pin connector socket M2.6
Power supply
Electrical power
supply
5 V ±5 %
Communication
part
Communication
system
In compliance with RS-232C
Synchronous
system
Asynchronous system
Communication
control system
One-to-one procedure dedicated to OMRON
Communication
speed (fixed)
9600 bps
Character format
(fixed)
Start bit
Data bit
Parity bit
Stop bit
Total
1
8
None
1
10
Error detection
system
Even number parity
Pin No.
Signal
name
Function
Signal
direction
1
-
Not connected
-
2
SD
Transmission data
Output
3
RD
Received data
Input
4
RS
Transmission request
Output
5
CS
Transmission permitted (Normally
ON when operating)
Input
6
5V
+5 V (5VDC ±5 %) supply
Output
7
0V
+0 V supply (connected to SG
internally)
Output
8
-
Transmission allowed
-
9
SG
Ground for signal
-
9
8
7
6
5
4
3
2
1
V500-R521.book 104 ページ 2008年7月18日 金曜日 午後1時1分