2. Installation, Piping, and Wiring
86
TI 11B08A01-01E
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
V1 +
V1 -
TxD1 +
TxD1 -
RxD1 +
RxD1 -
24V DC
RS-422
(L)
V2 +
V2 -
TxD2 +
TxD2 -
RxD2 +
RxD2 -
24V DC
RS-422
(H)
(H)
5 V +
6 V -
1 RxD +
2 RxD -
3 TxD +
4 TxD -
5 V +
6 V -
1 RxD +
2 RxD -
3 TxD +
4 TxD -
D-sub9 pin
male
D-sub9 pin
male
Communication converter *3
K9806AS (rack-mounted type)
K9806AT desk-top type)
*1: The ground wire is connected to the earth bar.
*2: The ground wire is connected to the earth terminal on site.
*3: Two communication converters are required for 2ch.
*4: (a) shows cable connection of RS-232C communication.
Please refer to the following for flow control setting.
RS control: None, DR check: YES (Recommended), CD check: None
If the instrument to be connected accepts NULL modem-type connection, wiring (b) is also applicable.
Example: Regular personal computers, “FA-M3” (Yokogawa PLC).
RS-232C
RS-232C
(L)
*1
*2
*1
*4
*4
*2
Communication
converter
Instrument to
be connected
(a)
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
CD
RD
SD
ER
SG
DR
RS
CS
CD
RD
SD
ER
SG
DR
RS
CS
Connector Shell
Cable connector
D-sub 9 pins
Cable connector
D-sub 9 holes socket (F)
Fixing screw: inch
Communication
converter
Instrument to
be connected
(b)
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
CD
RD
SD
ER
SG
DR
RS
CS
CD
RD
SD
ER
SG
DR
RS
CS
Connector Shell
Cable connector
D-sub 9 holes socket (F)
Fixing screw: inch
Cable connector
D-sub 9 pins
For 2ch
Figure 2.29 Wiring for serial communication cards
The serial communication card is labeled “COM”.
The external I/O cutoff output (power cutoff signal) (L) is also wired.
The shield is grounded at the earth bar in Figure 2.24. Remove the cover on the upper right of the
electronics section and perform wiring.
Sep. 07, 2017-00
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