Omron CPM1A Manual page 6

J CHARACTERISTICS
Input type
CPU type
Control method
I/O control method
Programming language
Instruction word
Types of yp
Basic instructions
instructions i t ti
Special instructions
Instruction Basic instructions
execution execution
Special instructions
time
Program capacity
User data memory
Maximum I/O
CPU only
points
With Expansion I/O
Module
Memory protection
Memory backup
Self-diagnostic function
Program check
Pulse output
High-speed counter
Quick-response inputs
Input time constant
Interrupt processing:
External interrupt
Analog settings
J I/O ALLOCATION
Input bits
Output bits
Work bits (IR Area)
Special bits (SR Area)
Temporary bits (TR Area)
Holding bits (HR Area)
Auxiliary bits (AR Area)
Link bits (LR Area)
Timers/Counters
Data memory y Read/Write
Read only
DC input
10-point I/O 20-point I/O
Stored program method
Combination of the cyclic scan and immediate refresh processing methods.
Ladder diagram
1 step per instruction, 1 to 5 words per instruction
14 types
79 types, 139 instructions
0.72 to 16.2 µs
MOV instruction = 16.3 µs
2,048 words
1,024 words
10 points 20 points
(6 input/ (12 input/
4 output 8 output
points) points)
— —
Maintains the contents of the HR, AR, Counter and Data Memory Areas.
Flash memory: User program, data memory (Read only) and PLC setup area are backed
up without a battery.
Super capacitor: Data memory (Read/Write), holding bits, auxiliary memory bits, counter
values, error log area are backed up by a capacitor for 20-days at an
ambient temperature of 25°C.
CPU error (watchdog timer), memory errors, I/O bus errors
No END instruction programming errors (constantly checked during operation)
1 point: 2 kHz
1 point: Single phase at 5 kHz or two-phase at 2.5 kHz (linear counting method)
Incremental mode: 0 to 65535 (16-bit)
Decremental mode: --32767 to 32767 (16-bit)
Together with the external interrupt input (minimum pulse width of 0.2 ms)
Can be set at 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms, 64 ms, or 128 ms.
2 points (Re- 4 points
sponse time (Response time of 0.3 ms max.)
of 0.3 ms
max.)
2 points: (0 to 200 BCD)
00000 to 00915; words not used for input or output bits can be used for work bits.
01000 to 01915; words not used for input or output bits can be used for work bits.
512: IR 20000 to IR 23115 (IR 200 to IR 231)
384: SR 23200 to SR 25515 (SR 232 to SR 255)
8: TR 0 to TR 7
320: HR 0000 to HR 1915 (HR 00 to HR 19)
256: AR 0000 to AR 1515 (AR 00 to AR 15)
256: LR 0000 to LR 1515 (LR 00 to LR 15)
128: TIM/CNT 000 to 127
100-ms timer: TIM 000 to TIM 127
10-ms timer: TIM 000 to TIM 127
Decremental counter, reversible counter
1,024 words (DM 0000 to DM 1023)
512 words (DM 6144 to DM 6655)
Micro Programmable Controller
30-point I/O 40-point I/O
30 points 40 points
(18 input/ (24 input/
12 output 16 output points)
points)
Up to 90 Up to 100 points
points (60 input/
(54 input/ 40 output points)
36 output
points)
CPM1A
A--27