CS1D-IC102D Omron, CS1D-IC102D Datasheet - Page 307
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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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Special I/O Unit Area
Initialization
IOM Hold Bit Operation
8-9
Work Area Initialization
IOM Hold Bit Operation
272
Work Area
Work Area
1,2,3...
1,2,3...
Bits in the Special I/O Unit Area can be force-set and force-reset.
The contents of the Special I/O Unit Area will be cleared in the following
cases:
1. The operating mode is changed from PROGRAM mode to RUN/MONITOR
2. The PLC’s power supply is cycled and the IOM Hold Bit is OFF or not pro-
3. The Special I/O Unit Area is cleared from a Programming Device.
4. PLC operation is stopped when a fatal error other than an FALS(007) error
By default, the Special I/O Unit Area is cleared when power is interrupted or
the CPU Unit is restarted.
If the IOM Hold BIt (A50012) is ON, the contents of the Special I/O Unit Area
won’t be cleared when a fatal error occurs or the operating mode is changed
from PROGRAM mode to RUN/MONITOR mode or vice-versa.
If the IOM Hold BIt (A50012) is ON and the PLC Setup’s “IOM Hold Bit Status
at Startup” setting is set to protect the IOM Hold Bit, the contents of the Spe-
cial I/O Unit Area won’t be cleared when the PLC’s power supply is cycled.
The Work Area contains 512 words with addresses ranging from W000 to
W511. These words can be used only in the program as work words.
There are unused words in the CIO Area (CIO 1200 to CIO 1499 and
CIO 3800 to CIO 6143) that can also be used in the program, but use any
available words in the Work Area first because the unused words in the CIO
Area may be allocated to new functions in future versions of CS1D CPU Units.
Bits in the Work Area can be force-set and force-reset.
The contents of the Work Area will be cleared in the following cases:
1. The operating mode is changed from PROGRAM to RUN or MONITOR
2. The PLC’s power supply is cycled and the IOM Hold Bit is OFF or not pro-
3. The Work Area is cleared from a Programming Device.
4. PLC operation is stopped when a fatal error other than an FALS(007) error
By default, the Work Area is cleared when power is interrupted or the CPU
Unit is restarted.
If the IOM Hold BIt (A50012) is ON, the contents of the Work Area won’t be
cleared when a fatal error occurs or the operating mode is changed from
PROGRAM mode to RUN/MONITOR mode or vice-versa.
If the IOM Hold BIt (A50012) is ON and the PLC Setup’s “IOM Hold Bit Status
at Startup” setting is set to protect the IOM Hold Bit, the contents of the Work
Area won’t be cleared when the PLC’s power supply is cycled.
mode or vice-versa and the IOM Hold Bit is OFF.
tected in the PLC Setup.
occurs. (The contents of the Special I/O Unit Area will be retained when
FALS(007) is executed.)
mode or vice-versa and the IOM Hold Bit is OFF.
tected in the PLC Setup.
occurs. (The contents of the Work Area will be retained when FALS(007)
is executed.)
Section 8-9
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