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Discontinued On Mar. 2015

CPM1A

Compact PLC series

CPM1A

Ultracompact and Economical ... For a Wide Range of Uses AC or DC power, relay or transistor outputs, sourcing or sinking, etc.

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

Related Contents

last update: February 4, 2014

General Specifications

Item 10-point I/O 20-point I/O 30-point I/O 40-point I/O
Power supply vol
tage/frequency		 AC power supply 100 to 240 V AC, 50/60 Hz
DC power supply 24 V DC
Operating voltage
range		 AC power supply 85 to 264 V AC
DC power supply 20.4 to 26.4 V DC
Power consumption AC power supply 30 V AC max. 60 V AC max.
DC power supply (See below.)
Inrush current 30 A max. 60 A max.
External power supply
( AC only)		 Power supply voltage 24 V DC
Power supply output
capacity		 200 mA 300 mA
Insulation resistance 20 MΩ min. at 500 V DC between the AC terminals and the protective earth terminal.
Dielectric strength 2,300 V AC at 50/60 Hz for one minute with a leakage current of 10 mA max. between all the external AC terminals and the protective earth terminal.
Noise resistance Conforms to IEC61000-4-4, 2 kV (power lines)
Vibration resistance 10 to 57 Hz with an amplitude of 0.075 mm, and 57 to 150 Hz with an acceleration of 9.8 m/s2 in the X, Y, and Z directions for 80 minutes each (i.e. swept for 8 minutes, 10 times).
Shock resistance 147 m/s2 in the X, Y and Z directions 3 times each.
Ambient temperature (operating) 0° to 55°C
Ambient humidity (operating) 10% to 90% (no condensation)
Ambient environment (operating) With no corrosive gas
Ambient temperature (storage) -20° to 75°C
Terminal screw size M3
Power supply holding time 10 ms min. for AC models, and 2 ms min. for DC models
Weight AC model: 400 g max.
DC model: 300 g max.		 AC model: 500 g max.
DC model: 400 g max.		 AC model: 600 g max.
DC model: 500 g max.		 AC model: 700 g max.
DC model: 600 g max.

Note: The specifications of the Expansion I/O Unit are the same as for the CPU except that the power is supplied from
          the CPU and the weight is 300 g.

Performance Specifications

Item 10-point I/O 20-point I/O 30-point I/O 40-point I/O
Control method Stored program method
I/O control method Combination of the cyclic scan and immediate refresh processing methods.
Programming language Ladder diagram
Instruction word 1 step per instruction, 1 to 5 words per instruction
Types of
instructions		 Basic instructions 14 types
Special instructions 79 types, 139 instructions
Instruction
execution time		 Basic instructions 0.72 to 16.2 μs
Special instructions MOV instruction = 16.3 μs
Program capacity 2,048 words
Maximum
I/O points		 CPU only 10 points (6 input/4
output points)		 20 points (12 input/8
output points)		 30 points (18 input/12
output points)		 40 points (24 input/16
output points)
With Expansion
I/O Unit		 --- --- 90 points (54 input/36
output points)		 100 points (60 input/40
output points)
Input bits 00000 to 00915 (Words 0 to 9)
Output bits 01000 to 01915 (Words 10 to 19)
Work bits (IR Area) 512: IR 20000 to IR 23115 (IR 200 to IR 231)
System bits (SR Area) 384: SR 23200 to SR 25515 (SR 232 to SR 255)
Temporary bits (TR Area) 8: TR 0 to TR 7
Holding bits (HR Area) 320: HR 0000 to HR 1915 (HR 00 to HR 19)
Auxiliary bits (AR Area) 256: AR 0000 to AR 1515 (AR 00 to AR 15)
Link bits (LR Area) 256: LR 0000 to LR 1515 (LR 00 to LR 15)
Timers/Counters 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
Data memory Read/Write 1,024 words (DM 0000 to DM 1023)
Read only 512 words (DM 6144 to DM 6655)
Interrupt processing: External interrupt 2 points (Response time of 0.3 ms max.) 4 points (Response time of 0.3 ms max.)
Memory protection Maintains the contents of the HR, AR, Counter and Data Memory Areas.
Memory backup Flash memory:User program, data memory (Read only) (Non-battery powered storage)
Super capacitor:Data memory (Read/Write), holding bits, auxiliary memory bits, counter
20-day storage at an ambient temperature of 25°C)
Self-diagnostic function CPU error (watchdog timer), memory errors, I/O bus errors
Program check No END instruction, programming errors (constantly checked during operation)
Pulse output 1 point: 2 kHz
High-speed counter 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)
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)
Quick-response inputs Together with the external interrupt input (minimum pulse width of 0.2 ms)
Input time constant Can be set at 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 32 ms, 64 ms, or 128 ms.
Analog settings 2 points: (0 to 200)

Note: Bits that are not used for the I/O bits can be used as work bits.

I/O Specifications

Input Circuit

CPU

Item Specifications Circuit
Input voltage 24 V DC +10%/-15%
43_sp_3_1
Input impedance IN00000 to IN00002: 2 kΩ
Others: 4.7 kΩ
Input current (typical) IN00000 to IN00002: 12 mA
Others: 5 mA
ON voltage 14.4 V DC min.
OFF voltage 5.0 V DC max.
ON delay (see note 1) 1 to 128 ms max.
(default: 8 ms)
(see note 1)
OFF delay (see note 1) 1 to 128 ms max.
(default: 8 ms)
(see note 1)

Note: 1. The actual ON/OFF delay includes a digital filter with a time constant of 1, 2, 4, 8, 16, 32, 64, or 128 ms
             (default: 8 ms).
           2. The delays for IN00000 to IN00002 are as follows when used for the high-speed counter.

Input Increment mode Differential phase mode
IN00000 (A-phase) 5 kHz 2.5 kHz
IN00001 (B-phase) Normal input
IN00002 (Z-phase) ON: 100 μs max. OFF: 500 μs max.

Note: 3. The delays for IN00003 to IN00006 are as follows when used for the high-speed counter.

Delay 0.3 ms max. (From the time of input ON until the interrupt subroutine is executed.)*1

*1 For detailed specifications of expansion I/O units, see page 68.

Expansion I/O Unit

Item Specifications Circuit
Input voltage 24 V DC +10%/-15%
43_sp_6_1
Input impedance 4.7 kΩ
Input current (typical) 5 mA
ON voltage 14.4 V DC min.
OFF voltage 5.0 V DC max.
ON delay (see note 1) 1 to 128 ms max.
(default: 8 ms)
(see note 1)
OFF delay (see note 1) 1 to 128 ms max.
(default: 8 ms)
(see note 1)

Note: The actual ON/OFF delay includes an input constant of 1, 2, 4, 8, 16, 32, 64, or 128 ms (default: 8 ms).

Output Circuit

CPU and Expansion I/O Unit
Relay Output

Item Specifications Circuit
Maximum switching capacity 250 V AC/2 A (cosφ =1)
24 V DC/2 A (4 A/common)
43_sp_7_1
Minimum switching capacity 5 V DC, 10 mA
Relay
service
life		 Electrical Resistive
load		 150,000 times (at 24 V DC)
Inductive
load		 100,000 times (at 200 V AC, cosφ =0.4)
Mechanical 20 million times
ON delay 15 ms max.
OFF delay 15 ms max.

Transistor Output (Sink Type/Source Type) (CPU/Expansion I/O Unit)

Item Specifications Circuit
Maximum switching
capacity		 24 V DC +10%/-15%, 300 mA
(see note 1)
43_sp_8_1
Leakage current 0.1 mA max.
Residual voltage 1.5 V max.
ON delay 0.1 ms max.
OFF delay 1 ms max. (see note 2)

Note: 1. The maximum switching capacity of the CPM1A with transistor outputs (sink type and source type) is limited to
             the currents shown in the following table for the common and for the Unit.

Item 10CDT-V1/
10CDT1-A-V1/D-V1		 20CDT-D-V1/
20CDT1-A-V1/D-V1		 30CDT-D-V1/
30CDT1-A-V1/D-V1		 40CDT-D-V1/
40CDT1-A-V1/D-V1		 20EDT/20EDT1 CPM1A-8ET/8ET1
Max. switching capacity 0.9 A/Unit 0.9 A/common
1.8 A/Unit		 0.9 A/common
2.7 A/Unit		 0.9 A/common
3.6 A/Unit		 0.9 A/common
1.8 A/Unit

Note:2. When using the pulse output function of the CPM1A with transistor outputs (sink type and source type):
             The output current must be between 100 to 200 mA when using the output 01000 or 01001 as a pulse output
             with the maximum frequency of 2 kHz.
             The off-delay of outpus 01000 and 01001 will vary depending on the output current.

Load current OFF delay
100 to 200 mA 0.2 ms max.
0 to 300 mA except for the above range 0.5 ms max.

Analog I/O Unit

Item CPM1A-MAD01 CPM1A-MAD11 CPM1A-AD041 CPM1A-DA041
Voltage I/O Current I/O Voltage I/O Current I/O Voltage I/O Current I/O Voltage I/O Current I/O
Analog
inputs		 Number of
inputs		 2 2 (allocated 2 words) 4 (allocated 4 words in +
2 words out)
Input signal
ranges		 0 to 10 V or
1to 5 V		 4 to 20 mA 0 to 5 V,
1 to 5V,
0 to 10 V,
-10 to 10 V		 0 to 20 mA,
4 to 20 mA		 0 to 5 V,
1 to 5V,
0 to 10 V,
-10 to 10 V		 0 to 20 mA,
to 20 mA
Maximum
rated input		 ±15 V ±30 mA ±15 V ±30 mA ±15 V ±30 mA
External input
impedance		 1 MΩ min. 250 Ω rated 1 MΩ min. 250 Ω 1 MΩ min. 250 Ω
Resolution 1/256 1/6,000 (full scale) 1/6,000 (full scale)
Overall
precision		 1.0% of full scale 25°C:±0.3% of
full scale		 25°C:±0.4% of
full scale		 25°C:±0.3% of
full scale		 25°C:±0.4% of
full scale
0 to
55°C:±0.6% of
full scale		 0 to
55°C:±0.8% of
full scale		 0 to
55°C:±0.6% of
full scale		 0 to
55°C:±0.8% of
full scale
Converted
A/D data		 8-bit binary data
Full scale = 0000 to 00FF Hex		 Binary data (4-digit hexadecimal)
-10 to 10 V: F448 to 0BB8
Hex full scale
Other:0000 to 1770 Hex full scale		 Binary data (4-digit hexadecimal)
-10 to 10 V: F448 to 0BB8
Hex full scale
Other:0000 to 1770 Hex full scale
Averaging --- Supported (set for each input
with DIP switch)		 Supported (set for each input
with DIP switch)
Disconnection
detection		 --- Supported Supported
Analog
output
(See note
1.)		 Number of
outputs		 1 1 (1 word allocated ) 4 (4 words allocated)
Output signal
ranges		 0 to 10 V or -10 to 10 V 4 to 20 mA 1 to 5 V,
0 to 10 V,
-10 to 10 V		 0 to 20 mA,
4 to 20 mA		 1 to 5 V,
0 to 10 V,
-10 to 10 V		 0 to 20 mA,
4 to 20 mA
External
output
allowed load
resistance		 2 kΩ min. 350 Ω max. 1 kΩ min. 600 Ω max. 1 kΩ min. 600 Ω max.
External
output
impedance		 --- 0.5 Ω max. --- 0.5 Ω max. ---
Resolution 1/256 (1/512 when the output
signal range is -10 to 10 V.)		 1/6,000 (full scale) 1/6,000 (full scale)
Overall
precision		 1.0% of full scale 25°C:±0.4% of full scale 25°C:±0.4% of full scale
0 to 55°C:±0.8% of full scale 0 to 55°C:±0.8% of full scale
D/A data
setting		 8-bit plus sign binary data
-10 to 10 V output range: Full
scale = 80FF to 00FF Hex
4 to 20 mA output range: Full
scale = 0000 to 00FF Hex		 Binary data (hexadecimal, 4-
digit)
-10 to 10 V output range: Full
scale = F448 to 0BB8 Hex
Other output ranges: Full
scale = 0000 to 1770 Hex		 Binary data (hexadecimal, 4-
digit)
-10 to 10 V output range: Full
scale = F448 to 0BB8 Hex
Other output ranges: Full
scale = 0000 to 1770 Hex
Conversion time 10 ms/Unit max. (See note 2.) 2 ms/point 2 ms/point 2 ms/point
Isolation method Photocoupler isolation between
I/O terminals and PC
(There is no isolation between
the analog I/O signals.)		 Photocoupler isolation between
analog I/O and internal
circuits. (Individual analog I/O
signals are not isolated.)		 Photocoupler isolation between
analog I/O and internal
circuits. (Individual analog I/O
signals are not isolated.)		 Photocoupler isolation between
analog I/O and internal
circuits. (Individual analog I/O
signals are not isolated.)

Note: 1. The voltage output and current output can be used at the same time, but the total output current cannot
               exceed 21 mA.
           2. The conversion time is the total time for 2 analog inputs and 1 analog output.

Temperature Sensor Units

By mounting a Temperature Sensor Unit (CPM1A-TS001/TS002/TS101/TS102) to the PLC, input can be obtained from a thermocouple or platinum resistance thermometer, and temperature measurements can be converted to binary data (4-digit hexadecimal) and cyclically updated in the input area of the CPU Unit.

Specifications

Item Specifications
Model CPM1A-TS001/002 CPM1A-TS101/102
Number of inputs 2 (TS001), 4 (TS002) 2 (TS101), 4 (TS102)
Input types Thermocouple K, J switchable
(Note: Same type for all input points.)		 Pt100, JPt100 switchable
(Note: Same type for all input points.)
Indication accuracy The larger of ±0.5% of the indicated value and ±2°C ±1 digit max. [The larger of ±0.5%of the indicated value and ±1°C]
±1 digit max.
Conversion time 250 ms/2 points (TS001, TS101); 250 ms/4 points (TS002, TS102)
Converted temperature data Binary (4-digit hexadecimal)
Isolation method Photocoupler isolation between the temperature input signals.

Note: The indication accuracy when using a K-type thermocouple for temperatures less than –100°C is ±4°C ±1 digit max.

Input Temperature Ranges for CPM1A-TS001/002

The rotary switch can be used to make of the following range and input type settings for CPM1A-TS001/002 models.

Input type Range (°C) Range (°F)
K -200 to 1300 -300 to 2300
0.0 to 500.0 0.0 to 900.0
J -100 to 850 -100 to 1500
0.0 to 400.0 0.0 to 750.0

Input Temperature Ranges for CPM1A-TS101/102

The rotary switch can be used to make of the following range and input type settings for CPM1A-TS101/102 models.

Input type Range (°C) Range (°F)
Pt100 -200.0 to 650.0 -300 to 1200.0
JPt100 -200.0 to 650.0 -300 to 1200.0

Specifications CPM1A-TS101-DA

Item Specifications
Model CPM1A-TS101-DA
Number of inputs 2
Input types Pt100
Temperature range -40 to 250°C
Converted temperature data 16-bit, 2’s complement, 0.1°C resolution
Indication accuracy 1.0% of full scale max.
Number of outputs 1
Output type 0 to 10 V, -10 to 10 V, 4 to 20 mA
Load resistance 2 kΩ min. (voltage output), 500Ω max. (current output)
Output resolution 8 bit + sign (1/256, 1/512 for -10 to 10 V)
Output accuracy 1.0% of full scale max.
Conversion time 60 ms (all channels)
Isolation method Photocoupler isolation between I/O signals and PLC

DeviceNet I/O Link Unit - CPM1A-DRT21

By connecting the DeviceNet I/O Link Unit (CPM1A-DRT21), the CPM1A can function as the slave of a DeviceNet Master Unit.
In this configuration, 32 input- and 32 output bits are exchanged with the Master Unit.

Specifications

Item Specification
Master/slave DeviceNet Slave
Number of I/O points allocated to Master Input: 32 points / Output: 32 points
Number of words allocated from CPM1A’s I/O memory Input: 2 words / Output: 2 words
(Allocated in the same way as other Expansion Units).
Node address setting method Set using DIP switch.

PROFIBUS-DP I/O Link Unit - CPM1A-PRT21

By connecting the PROFIBUS-DP I/O Link Unit (CPM1A-PRT21), the CPM1A can function as the slave of any PROFIBUS-DP Master Unit.
In this configuration, 16 input- and 16 output bits are exchanged with the Master unit.

Specifications

Item Specification
Master/slave PROFIBUS-DP slave (OC_0658.GSD)
Number of I/O points allocated to Master Input: 16 points / Output: 16 points
(Intel/Motorola format selectable by DIP switch)
Number of words allocated from CPM1A’s I/O memory Input: 1 word / Output: 1 word
(Allocated in the same way as other Expansion Units).
Node address setting method 0-99 using 2 rotary switches

CompoBus/S I/O Link Unit - CPM1A-SRT21

Specifications

Item Specification
Master/Slave CompoBus/S Slave
Number of I/O bits 8 input bits, 8 output bits
Number of words occupied in CPM2A I/O memory 1 input word, 1 output word
(Allocated in the same way as other Expansion Units).
Node number setting Set using the DIP switch.
(Set before turning ON power for the CPU Unit.)

Communications Adapter Specifications CPM1-CIF01/CIF11

RS-232C Adapter and RS-422 Adapter

Item Specifications
CPM1-CIF01 CPM1-CIF11
Functions Level conversion between the CMOS level (CPU side) and the
RS-232C level (peripheral device side)		 Level conversion between the CMOS level (CPU side) and the
RS-422 level (peripheral device side)
Isolation (all in this line) The RS-232C (peripheral device side) is insulated by a DC/DC
converter and photocoupler.		 The RS-422 (peripheral device side) is insulated by a DC/DC
converter and photocoupler.
Power supply Power is supplied by the CPU.
Weight 200 g max.

Expansion Memory Unit CPM1A-EMU01-V1

The CPM1-EMU01-V1 offers simple onsite transfer of user programs and data memory.

Item Specifications
Supported PLCs CPM1, CPM1A, CPM2A, CPM2C, SRM1(-V2), CQM1, CQM1H
Read/write memory areas User Program: 15.2 kWords max.
Data memory: DM 6144 to DM 6655
Espansion instructions 18 instructions
EEPROM 256-Kbit EEPROM, ATMEL: AT28C256, OMRON: EEROM-JD
Current consumption 130 mA max.
Dimensions (not including cables
or connectors)		 57 x 92 x 38 mm (W x H x D)
Weight 200 g max. (not including EEPROM)

CPM2C-PA201 AC Power Supply Unit

The CPM2C-PA201 is a slim and compact AC Power Supply Unit of the same shape as the CPM2C’s CPU Unit. It can be connected simply using the connecting cable (23 cm) provided. It can also be used for CPM1A and CPM2A CPU Units and as display power supply (wired by the user).

Item Specification
Rated output 15 W
Output voltage 24 V
Output current 600 mA
Efficiency 75% min. (at rated output)
Input
conditions		 Rated voltage 100 to 240 V AC
Allowable voltage range 85 to 264 V AC
Frequency 47 to 63 Hz
Current 100 V 0.4 A
200 V 0.2 A
Leakage current 100 V 0.5 mA max. (at rated output)
200 V 1 mA max. (at rated output)
Inrush current 100 V 15 A max. (at 25°C cold start)
200 V 30 A max. (at 25°C cold start)
Output
characteristics		 Output voltage accuracy 10%/-15%
(including input, load, and temperature fluctuations)
Minimum output current 30 mA
Ripple noise voltage 2% (p-p) max.
Input fluctuation 0.75% max.
Load fluctuation 4% max.
Temperature fluctuation 0.05%/°C max.
Startup time 300 ms max.
(at input voltage of 100 V AC or 200 V AC and the rated output)
Output hold time 10 ms
(at input voltage of 100 V AC or 200 V AC and the rated output)
Overcurrent protection Self-resetting, operates at 105% to 335% of the rated current,
suspended and independent operation
Overvoltage protection None
Ambient operating temperature 0° to 55°C
Ambient storage temperature -20° to 75°C (no condensation or icing)
Ambient operating humidity 10% to 90% (no condensation)
Dielectric strength 2,000 V for 1 min between all inputs and GR
Leakage current: 10 mA
3,000 V for 1 min between all inputs and all outputs
Leakage current: 10 mA
1,000 V for 1 min between all outputs and GR
Leakage current: 10 mA
Insulation resistance 100 MΩ min. at 500 V DC between all outputs and any input,
and between all outputs and GR
Vibration resistance 10 to 57 Hz, amplitude, 57 to 150 Hz, acceleration: 9.8 m/s2 in X, Y,
and Z directions for 80 minutes according
(Time coefficient: 8 minutes × coefficient factor 10 = total time 80 min.)
Shock resistance 147 m/s2 3 times each in X, Y, and Z directions
Noise terminal voltage FCC class A
Weight 250 g max.

last update: February 4, 2014

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