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8 Using Expansion Units and Expansion I/O Units
8-52
CP1E CPU Unit Hardware User’s Manual(W479)
(b) CP1W-MAD44
Write the set data to words (n+1 to n+4). A/D or D/A conversion begins when the set
data is transferred from the CPU Unit to the Analog I/O Unit. Setting contents are
shown as the following table.
Even if analog inputs are not used, bit 15 in word (n+1) and (n+2) must be set to 1.
•
Set Data of Analog Inputs
•
Set Data of Analog Outputs
•
The Analog I/O Unit will not start converting analog I/O values until the set data has been
written.
•
Before range code is written, 0 V or 0 mA will be output in the 0 to 10 V,
−
10 to +10 V,
and 0 to 20 mA ranges, and 1 V or 4 mA will be output in the 1 to 5 V and 4 to 20 mA
ranges.
•
Once the range code has been set, it is not possible to be changed while power is being
supplied to the CPU Unit. To change the code range, turn the CPU Unit OFF then ON
again.
Word (n+1)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
1
0
0
0
0
0
0
0
Analog input 2
Analog input 1
Word (n+2)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
1
0
0
0
0
0
0
0
Analog input 4
Analog input 3
Word (n+3)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
1
0
0
0
0
0
0
0
Analog output 2
Analog output 1
Word (n+4)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
1
0
0
0
0
0
0
0
Analog output 4
Analog output 3
Range Code
Analog input range
00
−
10 to 10 V
01
0 to 10 V
10
1 to 5 V (4 to 20 mA)
11
0 to 5 V (0 to 20 mA)
Range Code
Analog output range
000
−
10 to 10 V
001
0 to 10 V
010
1 to 5 V
011
0 to 20 mA
100
4 to 20 mA
Value
Enable
Enable Bit
0 : Disable channel
1 : Enable channel
Average Bit
0 : Disable
1 : Enable
7
6
0
1
2
3
4
5
Average AD Range Code
Enable Average AD Range Code
AD Range Code
00 :
−
10 to 10V
01 : 0 to 10V
10 : 1 to 5V (4 to 20mA)
11 : 0 to 5V (0 to 20mA)
Value
Enable
Enable Bit
0 : Disable channel
1 : Enable channel
7
6
0
1
2
3
4
5
DA Range
Enable
DA Range
DA Range
000 : -10 to 10
001 : 0 to 10V
010 : 1 to 5V
011 : 0 to 20m
100 : 4 to 20m
Summary of Contents for CP1E-E**D Series
Page 3: ......
Page 66: ...2 Basic System Configuration and Devices 2 22 CP1E CPU Unit Hardware User s Manual W479...
Page 318: ...Appendices A 54 CP1E CPU Unit Hardware User s Manual W479...
Page 322: ...Index 4 CP1E CPU Unit Hardware User s Manual W479...
Page 324: ...Revision 2 CP1E CPU Unit Hardware User s Manual W479...
Page 325: ......