User`s manual

5-21
Connection and Installation Methods
5
(2) When communicating through the RS-422
Specify the 4-wire or 2-wire RS-422 system on the [SET COMM PARMS] menu.
- The controller pin arrangement of the communication connector (for RS-422C)
1
6
FL1
FL2
Memory protection 1
Memory protection 2
RS-232C/422 converter
Z-101HE
Controller (9-pin D-sub)
4
7
8
9
FG
TA
TB
RA
RB
Pin No.
SHIELD
RD(+)
RD(—)
TD(+)
TD(—)
FG
TD
RD
SG
1
2
3
7
(RS-232C)
Shielded twisted-pair cable
Transmitted data
(Controller - Personal computer)
Received data
(Personal computer -Controller)
Connector frame ground
Personal
computer
FG
TD
RD
SG
Signal
name
Signal
name
15 m
or less
(RS-422)
1 km or less
Function
Connector
case
2 2-wire system
SHIELD
RD(+)
RD(—)
FG
TD
RD
RS
SG
1
2
3
4
7
FG
TD
RD
RS
SG
1
6
FL1
FL2
Memory protection 1
Memory protection 2
RS-232C/422 converter
Z-101HE
Controller (9-pin D-sub)
4
7
8
9
FG
TA
TB
RA
RB
Pin No.
(RS-232C)
Shielded twisted-pair cable
Transmitted data
(Controller - Personal computer)
Received data
(Personal computer -Controller)
Connector frame ground
Personal
computer
Signal
name
Signal
name
15 m
or less
(RS-422)
1 km or less
Function
Connector
case
1 4-wire system
51
96
(9-pin D-sub female)
RS-422
Connector field
4
7
8
9
TA
TB
RA
RB
FG
Output
Input
−
Transmitted data
(Controller - Personal computer)
Received data
(Personal computer - Controller)
Communication
standard
Signal
name
Pin No. Details
Direc-
tion
Frame ground