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96
Overview of Analog I/O Boards
Section 6-1
6-1
Overview of Analog I/O Boards
Analog I/O Boards are available in three models, which are the CPM2B-
MAD63 (6 analog inputs and 3 analog outputs), the CPM2B-MAD42 (4 analog
inputs and 2 analog outputs), and the CPM2B-MAD21 (2 analog inputs and 1
analog output).
Up to three Analog I/O Boards, with a total of 8 inputs and 4 outputs, can be
connected to a CPM2B CPU Board.
Note
1.
The maximum number of Analog I/O Boards that can be connected de-
pends on the model of the Board.
2.
Analog I/O Boards can be connected to CPU Boards with a 24-V DC power
supply only.
List of Models
Note When two CPM2B-MAD42 Analog I/O Boards are connected, the maximum
I/O configuration is 8 inputs and 4 outputs.
Average Processing (Analog Inputs)
A DIP switch setting can be turned ON to activate average processing for
analog inputs. Average processing stores the converted data of the average
value (moving average) of the last eight inputs. Average processing allows
inputs subject to minute fluctuations to be handled as stable inputs. Use pin 2
of the DIP switches to set average processing for each input.
Model
Analog input
Analog output
Number of
allocated
words
Number of
Boards
Input signal range
Number of
inputs
Output signal
range
Number of
outputs
CPM2B-MAD63
0 to 5 V, 1 to 5 V, 0
to 10 V,
−
10 to 10 V,
0 to 20 mA, and 4 to
20 mA
6 points
1 to 5 V, 0 to 10 V,
−
10 to 10 V, 0 to
20 mA, and 4 to
20 mA
3 points
Input: 6
words
Output: 3
words
1 max.
CPM2B-MAD42
4 points
2 points
Input: 4
words
Output: 2
words
2 max.
CPM2B-MAD21
2 points
1 point
Input: 2
words
Output: 1
word
3 max.
CPU Board (24 V DC)
Analog I/O Board
Analog I/O Board
Analog I/O Board
Analog inputs
8 points max.
Analog outputs
4 points max.
Analog output devices (8 analog
inputs max.) s
uch as
Temperature, Pressure, Speed,
or Flow Rate Sensors.
Analog input devices (4 analog
outputs max.) s
uch as Inverters,
Controllers, or Recording
Meters.
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