Chapter 3 Analog Input Module AS04/08AD-A
3- 11
3.2.5 AS08AD Control Registers
*If you use HWCONFIG to set values in CRs, once the set value is downloaded, the values can be retained in
the module; however if you use TO instruction to write data into CRs, the values CANNOT be retained, after
power failure or after transition of the CPU from STOP to RUN.
Note: The attribute of the CR must be W (write) to use TO instruction.
CR# Name Description
Atr.
Defaults
0
Format Setup
0: integer format
1: floating point format
R
0
1
Channel 1 mode setup
AS08AD-B
0: closed
1: -10 V to +10 V
2: 0 V–10 V
3: -5 V to +5 V
4: 0 V–5 V
5: 1 V–5 V
AS08AD-C
0: closed
1: -20 mA to +20 mA
2: 0 mA–20 mA
3: 4 mA–20 mA
R/W
1
2
Channel 2 mode setup
3
Channel 3 mode setup
4
Channel 4 mode setup
5
Channel 5 mode setup
6
Channel 6 mode setup
7
Channel 7 mode setup
8
Channel 8 mode setup
9
Channel 1 offset
Range: -32768 to +32767
R/W
0
10
Channel 2 offset
11
Channel 3 offset
12
Channel 4 offset
13
Channel 5 offset
14
Channel 6 offset
15
Channel 7 offset
16
Channel 8 offset
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