1-5
Section
! ! "
Item
CPM1A
CPM2A
CPM2C
I/O memory
Input bits
IR 00000 to IR 00915
Same as CPM2C.
Same as CPM2C.
y
Output bits
IR 01000 to IR 01915
Same as CPM2C.
Same as CPM2C.
Work bits
928 bits:
IR 02000 to IR 04915,
IR 20000 to IR 22715
Same as CPM2C.
512 bits:
IR 20000 to IR 23115
SR (Special Relay) area
448 bits:
SR 22800 to SR 25515
Same as CPM2C.
384 bits:
SR 23200 to SR
25515
TR (Temporary Relay) area
8 bits: TR0 to TR7
Same as CPM2C.
Same as CPM2C.
HR (Holding Relay) area
320 bits:
HR 0000 to HR 1915
Same as CPM2C.
AR (Auxiliary Relay) area
384 bits:
AR 0000 to AR 2315
Same as CPM2C.
256 bits:
AR 0000 to AR 1515
LR (Link Relay) area
256 bits:
LR 0000 to LR 1515
Same as CPM2C.
Same as CPM2C.
Timer/Counter area
256 bits:
TIM/CNT 000 to
TIM/CNT 255
Same as CPM2C.
128 bits:
TIM/CNT 0 to
TIM/CNT 127
DM (Data
Memory) area
Read/write
area
2,048 words
(DM 0000 to DM 2047)
Same as CPM2C.
1,024 words
(DM 0000 to
DM 1023)
Read-only
area
456 words
(DM 6144 to DM 6599)
Same as CPM2C.
Same as CPM2C.
PC Setup
56 words
(DM 6600 to DM 6655)
Same as CPM2C.
Same as CPM2C.
Memory backup Program area, read-only DM
area
Flash memory backup
Same as CPM2C.
Same as CPM2C.
Read/write DM area, HR
area, AR area, and counters
CPU Unit with clock:
Internal battery backup
(2-year lifetime at 25
°
C,
replaceable)
CPU Unit without clock:
Capacitor backup
(10-day backup at
25
°
C) or optional
battery backup (5 years
at 25
°
C, replaceable)
Internal battery
backup
(5-year lifetime at
25
°
C, replaceable)
Capacitor backup
(20-day backup at
25
°
C)
Interrupt inputs (interrupt input mode)
4 (20-point CPU Unit),
2 (10-point CPU Unit)
4
4
Interrupt inputs
(counter mode)
Counter mode
Incrementing counter
Decrementing counter
Same as CPM2C.
Decrementing
counter
(cou te
ode)
Counter upper limit
2 kHz
Same as CPM2C.
1 kHz
SR 244 to SR 247
Contains counter PV.
Same as CPM2C.
Contains counter
PV--1.
Method(s) to read counter
PV
Read SR 244 to
SR 247.
Execute PRV(62).
Same as CPM2C.
Read SR 244 to
SR 247.
(Counter PV -- 1)
Method to change counter
PV
Execute INI(61).
Same as CPM2C.
Not supported.
Interval timer
One-shot mode
Yes
Same as CPM2C.
Same as CPM2C.
Scheduled interrupt mode
Yes
Same as CPM2C.
Same as CPM2C.
Summary of Contents for CPM2C
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