Omron CPM2C User Manual

24
Comparison with the CPM1A and CPM2A Section 1-5
Program capacity 4,096 words Same as CPM2C. 2,048 words
Maximum num-
ber of I/O points
Stand-alone CPU Unit 10, 20, or 32 points 30, 40, or 60 points 10, 20, 30, or
40 points
CPU Unit with Expansion I/O
Units
170, 180, or 192 points
max.
90, 100, or 120 points
max.
90 or 100 points max.
Expansion Units
and Expansion
I/O Units
Maximum number of Units A maximum of 5 Units
can be connected to any
of the CPU Units.
A maximum of 3 Units
can be connected to
any of the CPU Units.
A maximum of 3 Units
can be connected to
the 30-point and
40-point CPU Units.
Available models Expansion I/O Units,
Analog I/O Unit, Temper-
ature Sensor Unit, Com-
poBus/S I/O Link Unit,
and Simple Communica-
tions Unit
Same as CPM2C. Same as CPM2C.
I/O memory Input bits IR 00000 to IR 00915 Same as CPM2C. Same as CPM2C.
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 (including PC Setup)
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-/32-point CPU
Unit),
2 (10-point CPU Unit)
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Item CPM2C CPM2A CPM1A

Omron CPM2C Specifications

General

Brand	Omron
Model	CPM2C
Category	Controller
Language	English