Sharp IV-S30J User Manual page 288

Computer Link
(3) Connections
Shown below are the connections with a calculator link module.
Example of RS-232C connection
Communication connector on
the IV-S30J (RS232C/RS422)
Pin No.
Connector
shield FG
Remarks
- For RS-232C communications, create the sequence program shown below in order to set "no
CD terminal check" for the CD terminal check setting. For details, see the instruction manual
for Mitsubishi's calculator link module.
Example of RS-422 communication
Communication connector
on the IV-S30J
(RS232C/RS422)
Pin No.
Connector
shield
4
7
18
8
9
5
Shielded cable
Signal
name
FG
2 RD
3 SD
5 SG
15m or less
RS-232C
Shielded, twisted-pair cable
Signal name
FG
TA
TB
RA
RB
SG
1 km max.
RS-422 (4-wire system)
Calculator link module
In case of 25 In case of 9
pins connector pins connector
Pin No. Pin No.
1
2
3
4
5
20
6
7
Note: Jumper the RS, CS, DR and CD lines.
Do not jumper the SG.
Calculator link
module
Signal name
FG
RDA
RDB
SDA
SDB
SG
18-28
Signal
name
FG
3 SD
2 RD
7 RS
8 CS
4 DTR
6 DSR
5 SG