Compact PLC Series CPM2C
The CPM2C Micro PLC is suitable as a controller for simple
stand−alone machines, as well as a simple networked controller. One
innovation is the new synchronisation instruction, which makes it
possible to generate output pulse trains as a function of an input pulse
frequency, e.g. to emulate the synchronisation of 2 axes through a
variable gear ratio. Furthermore, PID control and pulse width
modulation can also be realised easily by preconfigured instructions.
PLC programs from the CPM1/CPM1A and the CPM2A can be used
with the CPM2C. Programming is carried out using the
CX−Programming software.
Features of the CPM2C series:
Small size, space−saving narrow design
Removable terminal block or connector
Real−time clock and backup battery (dependent on type)
One 20 kHz counter and two 10 kHz pulse outputs
Peripheral and RS−232C ports in one connector
Active RS−232C port (RXD/TXD instruction)
Synchronisation, PID control, and pulse width modulation
instructions
The very small size and DIN rack mounting allow the CPM2C to be
installed in small control cabinets, which can be integrated directly into
machines and therefore save a great deal of space.
−
−
−
−
−
−
−
Performance Data
(Max. Values)
CPM2C–10_
Built–in I/O
With expansion
Execution time (bit instruction)
Program memory
Data memory
Input interrupts
Time–controlled interrupts
Inputs
Outputs
Inputs
Outputs
6
4
86
84
0.64
µs
4 kwords
2 kwords
2
1
CPM2C–S1_
6
4
54
52
0.64
µs
4 kwords
2 kwords
2
1
CPM2C–20_
12
8
92
88
0.64
µs
4 kwords
2 kwords
4
1
CPM2C–32_
16
16
96
96
0.64
µs
4 kwords
2 kwords
4
1
Networks and Communication
Ethernet (open network)
Controller Link (PLC network)
Host Link, SYSMAC WAY (serial network)
DeviceNet (open fieldbus)
CompoBus/S (fieldbus)
AS–Interface (open fieldbus)
PROFIBUS–DP (open fieldbus)
−
−
Yes
−
Yes (slave)
−
−
−
−
Yes
Yes (slave)
Yes (master/slave)
−
−
−
−
Yes
−
Yes (slave)
−
−
−
−
Yes
−
Yes (slave)
−
−
49
Programmable
Logic Contr.
General
Compact PLC Series CPM2C
System Configuration
Configuration
The individual Units of the CPM2C system are plugged in to one
another and secured using 2 locking sliders. The system must be
mounted on DIN rail.
Communication interfaces
The CPM2C has one peripheral and one RS−232C interface on a
miniature peripheral socket. They can both be accessed via the
CPM2C−CN111 adapter cable.
For other adapter cables, see page 61.
Both ports can be used simultaneously.
Miniature peripheral
and RS−232C port
CompoBus/S
connection
24−pin I/O female
connector
DeviceNet
connection
I/O terminal block
Expansion of the CPM2C
Up to five Expansion Units can be connected to CPM2C CPU Units,
and up to three Expansion Units to CPM2C−S100C/S110C Units. Only
a total of four of the CPM2C−MAD11 and CPM2C−TS_ Expansion Units
can be connected.
Interrupt input
Two or four of the normal transistor inputs can also be configured as
interrupt inputs. Various interrupt modes are available.
Pulse outputs
Only CPM2C CPU Units with transistor outputs provide a pulse output
function. These pulse outputs are to be subtracted from the number of
available standard outputs.
High–speed counter inputs
If the high−speed counter function is required, three of the normal
transistor inputs are occupied. The high−speed counter input can be
used to connect an encoder with phases A, B and Z, for example.
– Differential phase mode
The maximum input frequency is 5 kHz.
Each upward and each downward edge is counted, i.e. at 5 kHz,
20,000 pulses per second are counted.
The Z phase can be used as a reset signal.
– Pulse/direction mode
The maximum counting frequency is 20 kHz.
Phase A
(direction)
Phase B
(pulse)
Counting pulse
1
2
DIN rail
CPU
Expansion Units
Phase A
Phase B
Counting pulse
1 2 3 4 5 6
7
8 7 6 5 4 3 2 1
Incrementing
Decrementing
3
2
1
Incrementing
Decrementing
– Up/down count mode
The maximum counting frequency is 20 kHz.
Phase A
(count down)
Phase B
(count up)
Counting pulse
1
2
3
2
1
Incrementing
Decrementing
50
Compact PLC Series CPM2C
CPM2C–CPU Unit
− DIN rail mounting
− LED status display
− Max. 5 Expansion Units
− Removable terminal blocks
− V lt
Voltage supply 24 VDC
l
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
CPM2C–10CDR–D
6 DC inputs
4, relay
Capacitor
−
CPM2C–10C1DR–D
6 DC inputs
4, relay
Battery
Yes
CPM2C–20CDR–D
12 DC inputs
8, relay
Capacitor
−
CPM2C–20C1DR–D
12 DC inputs
8, relay
Battery
Yes
CPM2C–10CDT1C–D
6 DC inputs
4, transistor, PNP
Capacitor
−
CPM2C–10CDTC–D
6 DC inputs
4, transistor, NPN
Capacitor
−
CPM2C–10C1DT1C–D
6 DC inputs
4, transistor, PNP
Battery
Yes
CPM2C–10C1DTC–D
6 DC inputs
4, transistor, NPN
Battery
Yes
CPM2C–CPU Unit
− DIN rail mounting
− LED status display
− Max. 5 Expansion Units
− 24−pin front connector*
− V lt
Voltage supply 24 VDC
l
− Pulse output
− FUJITSU connector
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
* Front connector or terminal block and cable are not included in delivery package, see page 465.
51
Programmable
Logic Contr.
CPU Units
Compact PLC Series CPM2C
CPU Units
(Continued)
CPM2C–CPU Unit
− DIN rail mounting
− LED status display
− Max. 5 Expansion Units
− 24−pin front connector*
− V lt
Voltage supply 24 VDC
l
− Pulse output
− MIL connector
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
CPM2C–10CDT1M–D
6 DC inputs
4, transistor, PNP
Capacitor
−
CPM2C–10CDTM–D
6 DC inputs
4, transistor, NPN
Capacitor
−
CPM2C–10C1DT1M–D
6 DC inputs
4, transistor, PNP
Battery
Yes
CPM2C–10C1DTM–D
6 DC inputs
4, transistor, NPN
Battery
Yes
* Front connector or terminal block and cable are not included in delivery package, see page 465.
52
Compact PLC Series CPM2C
CPM2C–CPU Unit
− DIN rail mounting
− LED status display
− Max. 5 Expansion Units
− 24−pin front connector*
− V lt
Voltage supply 24 VDC
l
− Pulse output
− FUJITSU connector
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
Model code
Inputs
Outputs
Data backup
Real−time clock
CPM2C–20CDT1C–D
12 DC inputs
8, transistor, PNP
Capacitor
−
CPM2C–20CDTC–D
12 DC inputs
8, transistor, NPN
Capacitor
−
CPM2C–20C1DT1C–D
12 DC inputs
8, transistor, PNP
Battery
Yes
CPM2C–20C1DTC–D
12 DC inputs
8, transistor, NPN
Battery
Yes
CPM2C–32CDT1C–D
16 DC inputs
16, transistor, PNP
Capacitor
−
CPM2C–32CDTC–D
16 DC inputs
16, transistor, NPN
Capacitor
−
* Front connector or terminal block and cable are not included in delivery package, see page 465.
53
Programmable
Logic Contr.
CPU Units
(Continued)
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