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334
PLC Comparison Charts
Appendix A
Auxil-
iary
Area,
contd
Errors
Error log storage
area/pointer
Yes
Yes
No
Yes
No
Error codes
Yes
Yes
Yes
Yes
Yes
Initial
set-
tings
Initializing PLC Setup No
No
Yes
No
Yes
Com-
muni-
cations
PLC Link Operating
Level Flags
Yes (PLC Link Auxil-
iary Area bit)
Yes (PLC Link
Auxiliary Area bit)
Yes (AR)
No
No
Power
supply
Power Interruption
Flag
No
No
No
Yes
No
Power Interruption
Time
No
No
No
Yes
No
Power ON Time
Yes
Yes
No
Yes
No
Time at Power Inter-
ruption (including
power OFF)
Yes
Yes
No
Yes
Yes
Number of Momen-
tary Power Interrup-
tions
Yes (Number of power
interruptions)
Yes (Number of
power interrup-
tions)
Yes (Number of
power interrup-
tions)
Yes
Yes (Number of
power interrup-
tions)
Total Power ON Time Yes
Yes
No
No
No
Allocation meth-
ods
Format
Allocation is based on
number of words
required by Units in
order of connection.
Allocation is
based on num-
ber of words
required by Units
and vacant slots
are skipped.
Fixed word allo-
cation: Each
Unit is automat-
ically allocated
one word
Allocation is
based on num-
ber of words
required by
Units and
vacant slots
are skipped.
Allocation is
based on num-
ber of words
required by
Units in order
of connection.
Group 2 High-den-
sity I/O Unit alloca-
tion
None
Same as for
Basic I/O
Group-2 alloca-
tion area in IR
Area (position
determined by
front panel
switch)
None
None
Word reservation
method
Change I/O table from
CX-Programmer.
Change I/O table
from CX-Pro-
grammer.
Create I/O table
with empty slot
or change I/O
table made
from CX-Pro-
grammer.
Dummy I/O
Unit or change
I/O table from
CX-Program-
mer.
Automatic allo-
cation at star-
tup.
Spe-
cial I/O
Unit
alloca-
tion
CIO Area
Allocation in Special I/
O Unit Area accord-
ing to Unit No.
10 words per Unit for
total of 96 Units.
Allocation in Spe-
cial I/O Unit Area
according to Unit
No. 10 words per
Unit for total of 96
Units.
Allocation in
Special I/O Unit
Area (in IR
Area) accord-
ing to Unit No.
10 words per
Unit for total of
16 Units.
Same as for
Basic I/O Units;
2 or 4 words
allocated in I/O
Area (differs for
each Unit)
Same as for
Basic I/O Units;
1, 2, or 4 words
allocated in I/O
Area (differs for
each Unit)
DM Area
Allocation in D20000
to D29599 according
to unit number,
100 words per Unit for
total of 96 Units.
Allocation in
D20000 to
D29599 accord-
ing to unit num-
ber, 100 words
per Unit for total
of 96 Units.
Allocation in
DM 1000 to
DM 1999, and
DM 2000 to
DM 2599 100
words per Unit
for total of 16
Units.
None
None
CPU
Bus
Unit/
CPU
Bus
Unit
alloca-
tion
CIO Area
Allocation in CPU Bus
Unit Area according to
Unit No. 25 words per
Unit for total of 16
Units.
Allocation in CPU
Bus Unit Area
according to Unit
No. 25 words per
Unit for total of 16
Units.
None
Allocation in
CPU Bus Unit
Area accord-
ing to Unit No.
25 words per
Unit for total of
16 Units.
None
DM Area
Allocation in D30000
to D31599 according
to Unit No. 100 words
per Unit for total of 16
Units.
Allocation in
D30000 to
D31599 accord-
ing to Unit No.
100 words per
Unit for total of 16
Units.
None
Allocation in
D02000 to
D03599
according to
Unit No.
100 words per
Unit for total of
16 Units.
None
Item
CJ Series
CS Series
C200HX/HG/
HE
CVM1/CV
Series
CQM1H
Summary of Contents for CJ1G-CPU series
Page 3: ...iv...
Page 5: ...vi...
Page 21: ...xxii Conformance to EC Directives 6...
Page 169: ...148 Task Control Instructions Section 3 32...
Page 203: ...182 Programming Device Operations for Tasks Section 4 4...
Page 253: ...232 Using File Memory Section 5 3...
Page 337: ...316 Other Functions Section 6 11...
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Page 381: ...360 Revision History...