Omron V500-R521B2 User Manual page 98

Section 5
Example of System Configuration
Upper connection port specification
A port to connect with the upper equipment using RS-232C. A dust cover is attached
before shipping. Remove it when used.
Connector specification
Cable length
Communication system
Synchronous system
Communication control system
Communication speed
Character format (fixed)
Check code (Error detection system)
Pin arrangement
Connector cap is not conducting with GR (frame ground).
Pin No. Signal name
1
2
3
4
5
6
7
8
9
RS signal control from the upper equipment
In case of 1: N connection with RS-232C interface of the upper equipment, the RS signal of the
upper equipment should be input to the CS signal of the link unit. Turn OFF the RS signal within
15ms after data transmission is finished. This control should be performed for normal operation.
V500-R521B2/C2
100
User's Manual
Item
D-sub 9 pin Connector plug
Max. 15 m
In compliance with RS-232C
Asynchronous system
One-to-N procedure dedicated to OMRON
4800/9600/19200/38400 bps (Set with DIP-SW)
FCS (Frame Check Sequence)/Vertical parity system
Function
- Not connected
RD Received data
SD Transmission data
- Not connected
SG Ground for signal
- Not connected
Transmission request (Normally
RS
ON when operating)
CS Transmission allowed
- Not connected
Turn ON only in case when data is transmitted from upper equipment.
Upper side RS
Upper side SD
Specification
Start bit Data bit Parity bit
1 8
5
4
3
2
1
Signal direction
-
Input
Output
-
-
-
Output
Input
-
Within 15 ms
Lock screw: #4-40UNC
Stop bit
None 1
9
8
7
6
Total
10