158
Analog Input Functions
Section 7-9
7-9-5
Applicable Instructions
■
With END Refresh Method
The data of analog input value (AR 02) is read using the MOV instruction, etc.
■
With Immediate Refresh Method
The data is acquired with the PRV instruction.
7-9-6
A/D Conversion Value
When a signal exceeding the ranges indicated below is input, the conversion
value is processed as it is. However, inputting that kind of signals will result in
breakdown of the unit or malfunctions. Therefore, do not operate in such a
manner.
AR 19
00 to 15 Adjustment mode
command (valid
when DM6631 =
5A5A Hex)
Analog Input Offset
value
Under the condition of adjust-
ment enable flag (AR 08 bit
00/03) being ON, analog input
offset value can be monitored
here.
-
10 to +10 V: F556 to AAA
Hex
0 to 10 V: FAAB to 555 Hex
0 to 5 V: FD56 to 2AA Hex
1 to 5 V: 888 to CCC Hex
Unit
Disabled
AR 20
00 to 15
Gain
value
Under the condition of adjust-
ment enable flag (AR 08 bit
00/03, AR 08 bit 02) being
ON, analog input gain value
can be monitored here.
-
10 to +10 V: 7554 to 5FFF
Hex
0 to 10 V: 6FFF to 6554 Hex
0 to 5 V: 37FF to 32AA Hex
1 to 5 V: 3777 to 3333 Hex
AR 21
00 to 15 (Reserved by system.)
---
AR 22
00 to 15
AR 23
00 to 15 Adjustment mode
command (valid
when DM6631 =
5A5A Hex)
Analog Input Aver-
age No.
of times
in
adjust-
ment
mode
This indicates the number of
times of an average value
specified for offset/gain value
monitor in adjustment mode.
Average No. of times: 0000 to
0040 Hex (0 to 64 times)
Set this value before turning
ON adjustment enable flag.
User
Address
Bits
Function
Details
Controlled
by
Forced
set/reset
(@) PRV
P
P: Output port (003: Analog input)
C
C: Control specification (000: Present value read)
D
D: Present value storage first word
Содержание CS1W-HCA12-V1
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