Sharp IV-S30J User Manual page 285

When a JW-21CM or JW-10CM is used
- Communication through the RS-422 port (4-wire system)
Communication connector on
the IV-S30J (RS232C/RS422)
Pin No. Signal name
4 TA
7 TB
8 RA
9 RB
Connector
FG
shield
When a Z-331J/332J is used
- Communication through the RS-422 port (2-wire system)
Communication connector on
the IV-S30J (RS232C/RS422)
Pin No. Signal name
4 TA
8 RA
7 TB
9 RB
Connector
FG
shield
Ground
Shielded, twisted-pair cable
1 km or less
RS-422 (4-wire system)
Z-331J/332J
(Host communication port T1)
Shielded, twisted-pair cable
1 km or less
RS-422 (2-wire system)
18-25
JW-21CM
JW-10CM
Signal name
L3
L4
L1
L2
SHIELD
GND
Terminal name
L1
L2
S
FG
Computer Link
18