Shinko JIR-301-M Communication Instruction Manual

COMMUNICATION INSTRUCTION MANUAL
To prevent accidents arising from the misuse of this indicator, please ensure the operator receives this manual.
Warning
Turn the power supply to the instrument off before wiring or checking.
Working on or touching the terminal with the power switched on may result in severe injury or
death due to electric shock.

1. System Configuration

Host computer
2. Wiring
When using communication converter IF-400
• D-sub 25-pin connector
Host computer
Shielded wire
D-sub 25-pin connector
Shielded wire
Connect only one end of the shielded wire to the FG terminal so that current cannot flow to the shielded
wire. If both ends of the shielded wire are connected to the FG terminal, the circuit will be closed
between the shielded wire and the ground. As a result, current will run through the shielded wire and
this may cause noise.
Be sure to ground FG terminal.
Recommended cable: OTSC-VB 2PX0.5SQ (made by Onamba Co., Ltd.) or equivalent
Terminator (Terminal resistor)
Communication converter IF-400 (sold separately) has a built-in terminator.
The terminator is mounted at the end of the wire when connecting a personal computer with multiple
peripheral devices. The terminator prevents signal reflection and disturbance.
Do not connect the terminator to the communication line because each JIR-301-M has built-in pull-up
and pull-down resistors instead of a terminator.
Communication converter IF-400
RS-232C RS-485
(Fig. 1-1)
• D-sub 9-pin connector
Host computer
D-sub 9-pin connector
To the JIR-301-M via CDM
(Fig. 2-1)
(Use a twisted pair cable.)
JIR-301-M (C5)
JIR-301-M (Max 31 units)
JIR-301-M JIR-301-M
No.0 No.1
Shielded
wire
1
No.JIR3CE4 2014.01
JIR-301-M
No.30
JIR-301-M (Max 31 units)
11 YA(-)
4
3 14 YB(+)
1
17 SG
6
Shielded wire
11 YA(-)
14 YB(+)
17 SG
Shielded wire
11 YA(-)
14 YB(+)
17 SG