User`s manual

5-14
5
Connection and Installation Methods
(1) When communicating through the RS-232C port
- The controller pin arrangement of the communication connector (for RS-232C)
1
6
FL1
FL2
Memory protection 1
Memory protection 1
Communication connector on the IV-C35M
(RS232C/RS422: 9-pin D-sub)
2
3
5
RD
SD
SG
Received data
Transmitted data
Signal ground
Function
3
2
5
7
8
6
1
4
Pin No. Pin No.
Pin No.
DOS/V, IBM-PC
SD
RD
SG
RS
CS
DSR
CD
DTR
Signal
name
Signal
name
PC98 series
2
3
7
4
5
6
8
20
*(RS-232C)
Personal computer
Connector
case
Connector
case
Connector
case
9-pin D-sub 25-pin D-sub
FG FG
Frame ground
Note: When terminal 1 and 6 are opened, flash
memory protection will be ON. If you do not
want to use a flash memory in serial, we
recommend not to short circuit terminal 1 and 6.
* The maximum length of the communication cable depends on the communication speed.
9.6, 19.2
38.4, 57.6, 115.2
15 m or less
2 to 3 m
Communication speed (kbps) Cable length
- Conduct a communication
test before using the devices for
measurements.
(2) When communicating through the RS-422
4-line system or 2-line system of RS422 shall be set as serial communication on the "I/O condition
settings."
See "Chapter 21: Setting the Input/Output Conditions" in the IV-C35M User’s Manual, Function
and Operation.
4-wire system
1
6
FL1
FL2
Memory protection 1
Memory protection 2
RS-232C/422 converter
Z-101HE
IV-C35M (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
(IV-C35M - Personal computer)
Received data
(Personal computer -IV-C35M)
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
Note: When terminal 1 and 6 are opened, flash
memory protection will be ON. If you do not
want to use a flash memory in serial, we
recommend not to short circuit terminal 1 and 6.