Sharp IV-S20 - Page 352

14-27
Computer Link
14
(3) Connections
1 Example of RS-232C communication
2 Example of RS-422 communication
FG
RD
SD
SG
2
3
5
FG
SD
RD
RS
CS
SG
1
2
3
4
5
7
Connector
hood
2
3
4
5
9
C500-LK203
C200-LK201
CV500-LK201
(Communication port 1)
CV500-LK201
(Communication port 2)
CV CPU module
15m or less
RS-232C
Shielded cable
Communication connector on
the IV-S20 (RS232C/RS422)
Pin No.
Signal
name
Pin No. Pin No.
Signal
name
Connector
shield
FG
RDB(RD+)
RDB(RD—)
SDB(SD+)
SDA(SD—)
RS
CS
Calculator link
module
FG
TA
TB
RA
SG
Case
4
7
8
9
IV-S20 communication
connector
(RS232C/RS422)
1 km max.
RS-422 (4-line system)
Shielded, twisted-pair cable
Pin No. Signal name
Signal name
Pin numbers vary with
the module to be used
Memory
D (data register)
Range (address)
0 to 9999
(2) Using memory
To allow the memory to be used by the IV-S20, enter a result write start address within the
following setting range.