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112
Application Procedure
Section 6-4
Output Word Data (for Setting Analog Output Data)
The source data to be used for D/A conversion is set in the output data words
as 4-digit hexadecimal.
The CPM2B-MAD21 uses word n+1 only. The CPM2B-MAD42 uses words
n+1 and n+2 only.
I/O Word Allocation Example
Setting I/O Range Codes
Analog input or output conversion is started when one of the following range
codes is set in the output words allocated to the Analog I/O Board.
(Output words are also used to write output data.)
Range codes can be set separately for each input/output.
Note Analog input is switched between voltage and current input by setting DIP
switch 1.
Output words
CPM2B-MAD63
CPM2B-MAD42
CPM2B-MAD21
Word n+1
Output data 1
(4-digit hexadecimal)
Output data 1
(4-digit hexadecimal)
Output data 1
(4-digit hexadecimal)
Word n+2
Output data 2
(4-digit hexadecimal)
Output data 2
(4-digit hexadecimal)
---
Word n+3
Output data 3
(4-digit hexadecimal)
---
Board
Allocated I/O words
Input words
Output words
CPM2B-40C2DR-D
CPU Board
IR 000 and IR 001
IR 010 and IR 011
CPM2B-40EDR
Expansion I/O Board
IR 002 and IR 003
IR 012 and IR 013
CPM2B-MAD63
Analog I/O Board
IR 004 to IR 009
IR 014 to IR 016
Range code
Analog input signal range
Analog output signal range
000
−
10 to 10 V
−
10 to 10 V
001
0 to 10 V
0 to 10 V
010
1 to 5 V/4 to 20 mA (See note.)
1 to 5 V
011
0 to 5 V/0 to 20 mA (See note.)
0 to 20 mA
100
---
4 to 20 mA
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