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CPM2A Series PLC

Stand-alone CPU Unit

Number of I/O points Power supply Inputs Outputs Model
20 I/O points
(12 inputs and 8 outputs)
100 to 240 VAC 24 VDC Relay CPM2A-20CDR-A
24 VDC 24 VDC Relay CPM2A-20CDR-D
24 VDC Sinking Transistor CPM2A-20CDT-D
24 VDC Sourcing Transistor CPM2A-20CDT1-D
30 I/O points
(18 inputs and 12 outputs)
100 to 240 VAC 24 VDC Relay CPM2A-30CDR-A
24 VDC 24 VDC Relay CPM2A-30CDR-D
24 VDC Sinking Transistor CPM2A-30CDT-D
24 VDC Sourcing Transistor CPM2A-30CDT1-D
40 I/O points
(24 inputs and 16 outputs)
100 to 240 VAC 24 VDC Relay CPM2A-40CDR-A
24 VDC 24 VDC Relay CPM2A-40CDR-D
24 VDC Sinking Transistor CPM2A-40CDT-D
24 VDC Sourcing Transistor CPM2A-40CDT1-D
60 I/O points
(36 inputs and 24 outputs)
100 to 240 VAC 24 VDC Relay CPM2A-60CDR-A
24 VDC 24 VDC Relay CPM2A-60CDR-D
24 VDC Sinking Transistor CPM2A-60CDT-D
24 VDC Sourcing Transistor CPM2A-60CDT1-D
 

CPU Unit, Expansion Units, and Expansion I/O Units

Up to 3 Expansion Units or Expansion I/O Units can be connected to the expan­sion connector with expansion I/O connecting cables. (Only one Expansion Unit or Expansion I/O Unit can be connected if an NT-AL001 Adapter is connected to the RS-232C port because the CPU Unit’s 5-VDC power supply is limited.) There are four types of Units available: Expansion I/O Units, an Analog I/O Unit, Temperature Sensor Units, and a CompoBus/S I/O Link Unit. A PC with 120 I/O points (the maximum) can be assembled by connecting three Expansion I/O Units to a CPU Unit with 60 I/O points.
A PC with 6 analog inputs and 3 analog outputs (the maximum) can be as­sembled by connecting three Analog I/O Units. (Only one Analog I/O Unit can be connected if an NT-AL001 Adapter is connected to the CPU Unit’s RS-232C port.)
A PC with up to 6 temperature inputs for input from thermocouples or platinum resistance thermometers can be assembled by connecting Temperature Sensor Units.
CompoBus/S I/O Link Units (Slave Units) can be connected to a CPU Unit. I/O data (8 inputs and 8 outputs) is transferred between the CPU Unit and the area allocated to the CompoBus/S Slave. (The I/O data exchanged with the Slave is internal data; there are no external input or output terminals.)
Note 1. Different types of Expansion I/O Units or Expansion Units can be connected at the same time. For example, an Expansion I/O Unit, an Analog I/O Unit, and a CompoBus/S I/O Link Unit can be connected to the CPU Unit.
2. When an NT-AL001 Adapter is connected to the RS-232C port, only one Ex­pansion Unit or Expansion I/O Unit can be connected to the CPU Unit be­cause of power supply limitations.

Expansion I/O Units

Unit Max. number of Units Inputs Outputs Model
Expansion
I/O Units
20 I/O points
12 inputs
8 outputs
3 Units max. (See note.) 24 VDC Relays CPM1A-20EDR1
24 VDC Sinking transistors CPM1A-20EDT
24 VDC Sourcing transistors CPM1A-20EDT1
8 inputs 24 VDC --- CPM1A-8ED
8 outputs --- Relays CPM1A-8ER
--- Sinking Transistors CPM1A-8ET
--- Sourcing Transistors CPM1A-8ET1
Note. Only one Expansion I/O Unit can be connected if an NT-AL001 Adapter is con­nected to the CPU Unit’s RS-232C port.

Expansion Units

Unit Max. number of Units Inputs Outputs Model
Analog I/O Unit
2 analog inputs (2 words)
1 analog output (1 word)
3 Units max. (See note.) 2 analog inputs 1 analog output CPM1A-MAD01
Temperature Sensor Unit Thermocouple
inputs
3 Units max. (See note.) 2 inputs (K, J)   CPM1A-TS001
1 Unit max. (See note.) 4 inputs (K, J) CPM1A-TS002
Platinum
resistance
thermometer
inputs
3 Units max. (See note.) 2 inputs (Pt100, JPt100) CPM1A-TS101
1 Unit max. (See note.) 4 inputs (Pt100, JPt100) CPM1A-TS102
CompoBus/S I/O Link Unit
8 inputs and 8 outputs
3 Units max. (See note.) 8 bits
(Inputs from the Master.)
8 bits
(Outputs to the Master.)
CPM1A-SRT21
Note. Only one Expansion Unit can be connected if an NT-AL001 Adapter is con­nected to the CPU Unit’s RS-232C port.