Sharp IV-C35M User Manual page 365

(3) Connections
Shown below are the connections with a calculator link module.
Example of RS-232C connection
Communication connector on
the IV-C35M (RS232C/RS422)
Signal
Pin No.
name
Connector
FG
shield FG
2 RD
3 SD
5 SG
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-C35M
(RS232C/RS422)
Pin No. Signal name
Connector
FG
shield
4 TA
7 TB
8 RA
9 RB
5 SG
Shielded cable
15m or less
RS-232C
Note: Jumper the RS, CS, DR and CD lines.
Do not jumper the SG.
Calculator link
module
Shielded, twisted-pair cable
1 km max.
RS-422 (4-wire system)
23-29
Calculator link module
In case of 25 In case of 9
pins connector pins connector
Signal
Pin No. Pin No.
name
1 FG
2 3 SD
3 2 RD
4 7 RS
5 8 CS
20 4 DTR
6 6 DSR
7 5 SG
Signal name
FG
RDA
RDB
SDA
SDB
SG
Computer Link
23