Appendix B. Change Of Unit Area Allocation; Appendix C. Change In Plc Settings; Appendix D. Change Of Execution Timing Etc - Omron C200HS Series Replacement Manual

Appendix B. Change of unit area allocation

This section describes the differences in unit area allocation between C200HS and CJ2. Refer to related manuals for details.
Item
I/O allocation "Free location and fixed word allocation" "Free location and free word allocation"
Basic I/O
I/O allocation IR 100 to IR 199
Special I/O (10 words allocated for each Unit No.)
DM 1000 to DM 1999
(100 words allocated for each Unit No.)
I/O allocation IR 030 to IR 049
Group-2 (2 or 4 words allocated for each I/O
High-density I/O word)
Special Relay Area SR 236 to SR 255
(SR) SR 256 to SR 299
Auxiliary Relay Area AR 00 to AR 27
(AR)
PLC Link Words SR 247 to SR 250
(in SR Area)
Link Relay Area LR 00 to LR 63
(LR)
SYSMAC BUS Area IR 050 to IR 099
Optical I/O Unit and IR 200 to IR 231
I/O Terminal Area
Error Log Area DM 6000 to DM 6030
Temporary Relay Area TR 00 to TR 07
(TR)
Holding Relay Area HR 00 to HR 99
(HR)
Work Area (WR) IR 030 to IR 235
IR 300 to IR 511

Appendix C. Change in PLC Settings

Functions which can be configured in the PLC Setup differ between C200HS and CJ2.
Although the DM Area (DM 6600 to DM 6655) is allocated for the PLC Setup in C200HS, CJ2 does not use the DM Area for the
PLC Setup; the settings are changed from the CX-Programmer or a Programming Console.
Item
PLC Setup Always uses the DM Area (DM 6600
to DM 6655).

Appendix D. Change of execution timing etc.

Item
Interrupt execution Write interrupt programs in subroutines. Write interrupt programs in interrupt
method and execution
timing
Cycle time -
Read Protection FUN49
function
18
C200HS
Change the word and bit addresses
used in the program.
CIO 2000 to CIO 2199
(10 words allocated for each Unit No.)
D20000 to D21999
(100 words allocated for each Unit No.)
Change the word and bit addresses
used in the program.
The allocation is decided in the same
way as Basic I/O Units depending on
the installed position (rack and slot).
Change the word and bit addresses
used in the program.
(1) Auxiliary Area and bits
Change the word and bit addresses
used in the program.
(2) Condition flags and clock pulses
Change the arithmetic flags in the
program to the condition flags. Clock
pulses are specified using global
symbols, such as "P_0.1ms" and
"P_1ms".
None
None
None
None
A100 to A199
TR 00 to TR 15
H 000 to H 511
CIO 1200 to CIO 1499
CIO 3800 to CIO 6143
W000 to W511
C200HS
Uses dedicated area for PLC Setup
(there is no address for setting by
users).
C200HS
tasks.
The cycle time is shortened with CJ2.
If the system operation is affected by
cycle time, check the operation after
conversion.
Use password protection function of the
CX-Programmer.
CJ2
Refer to the
CJ2H-CPU6□-EIP/CJ2H-CPU
6□/CJ2M-CPU□□ SYSMAC CJ
SERIES CJ2 CPU UNIT
SOFTWARE USER'S
MANUAL (Cat. No. W473) for
details on I/O allocation.
In CJ2, operation flags and
condition flags are specified by
labels.
PC Link cannot be used with
CJ2.
PC Link cannot be used with
CJ2.
SYSMAC BUS cannot be used
with CJ2.
The Optical I/O Unit cannot be
used with CJ2.
Change the program if the
Error Log Area is read in the
program.
CJ2
Refer to related manuals for
details.
CJ2
In CJ2, interrupt tasks are
executed even when an
instruction is being executed
or I/O is being refreshed.
To keep the same cycle time
as C200HS, set Minimum
Cycle Time in the PLC Setup.
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