CS1D-IC102D Omron, CS1D-IC102D Datasheet - Page 116
CS1D-IC102D
Manufacturer Part Number
CS1D-IC102D
Description
CS1D Dual IO Control Unit
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-IC102D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Leaving a PT or Host Computer Connected Constantly to RS-232C Port
Programming Devices
Note
If a PT (Programmable Terminal) or host computer (running SCADA software)
is left connected constantly for monitoring a Duplex CPU System, and if the
connection is only to the active CPU Unit, then writing will become impossible
when an operation switching error occurs and the active CPU Unit becomes
the standby CPU Unit.
For that reason, it is recommended that the following connection be used. For
this, it is required that the Standby CPU Unit RS-232C Port Setting in the PLC
Setup be set so that independent communications are disabled (i.e., the
default setting).
PT Connection Example
In this example, communications between the CPU Unit and the PT are con-
tinued even after an operation switching error occurs.
1. The above Conversion Adapter is not required for the RS-422A/RS-485
2. When the CPU Units are switched, communications may be momentarily
RS-422A/485 (See note a.)
Active CPU Unit
Note a) Use shielded twisted-pair cable for the RS422A/RS-485 cable.
port at the PT.
interrupted, so enable communications retries in the PT communications
settings.
ER R /A LM
P R P H C O M M
R U N
I N H B K U P
C S
D P L01
R
L
b) The CJ1W-CIF11 does not provide isolation. The total length of
O N
O N
M O D E
I N I T .
S W
Standby CPU Unit
R I G H T C P U
LEFT C P U
D P L S T A T U S
A C T I V E
C P U S T A T U S
A C T I V E
C P U S T A T U S
A C T.
LEFT
SP L
N O U SE
U SE
N O U SE
O N
A 39512
C O M M
P R P H L
R SV
the transmission path must therefore be 50 m or less. If the trans-
mission distance is greater than 50 m, use the NT-AL001, which
provides isolation, and do not include the CJ1W-CIF11 in the
transmission path. When only the NT-AL001 is used, the total
length of the transmission path can be a maximum of 500 m.
A C T.
R I G H T
O FF
D P L
C S
CO-HC-ESV-3P 7/0.2
ER R /A LM
P R P H C O M M
R U N
I N H B K U P
Model
C S
RS-422A/485 (See note a.)
CJ1W-CIF11 R422A
Conversion Adapter or
NT-AL001 Link Adapter
(See note b.)
Hirakawa Hewtech Corp.
Manufacturer
PT
NS-AL002 RS-232C/RS-422A
Conversion Adapter for NS
Series
Section 2-6
81
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