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IO-SA0800Y Analog Buffer Memory

Memory Address
(Hexadecimal)
Memory Address
(Decimal)
DetailsDefaultReadWrite
00H0Channel 1 Digital conversion value
01H1Channel 2 Digital conversion value
02H2Channel 3 Digital conversion value
03H3Channel 4 Digital conversion value
04H4Channel 5 Digital conversion value
05H5Channel 6 Digital conversion value
06H6Channel 7 Digital conversion value
07H7Channel 8 Digital conversion value
08H8Channel 1 Precise value
09H9Channel 2 Precise value
0AH10Channel 3 Precise value
0BH11Channel 4 Precise value
0CH12Channel 5 Precise value
0DH13Channel 6 Precise value
0EH14Channel 7 Precise value
0FH15Channel 8 Precise value
10H16Channel 1 Percentile value
11H17Channel 2 Percentile value
12H18Channel 3 Percentile value
13H19Channel 4 Percentile value
14H20Channel 5 Percentile value
15H21Channel 6 Percentile value
16H22Channel 7 Percentile value
17H23Channel 8 Percentile value
18H24Channel 1 Setup input signal range0
19H25Channel 2 Setup input signal range0
1AH26Channel 3 Setup input signal range0
1BH27Channel 4 Setup input signal range0
1CH28Channel 5 Setup input signal range0
1DH29Channel 6 Setup input signal range0
1EH30Channel 7 Setup input signal range0
1FH31Channel 8 Setup input signal range0
20H32Setup Raw Value digital output0
21H33Reserved
22H34Channel 1 Average processing setting value2000h
23H35Channel 2 Average processing setting value2000h
24H36Channel 3 Average processing setting value2000h
25H37Channel 4 Average processing setting value2000h
26H38Channel 5 Average processing setting value2000h
27H39Channel 6 Average processing setting value2000h
28H40Channel 7 Average processing setting value2000h
29H41Channel 8 Average processing setting value2000h
2AH42Channel 1 Maximum alarm setting value0
2BH43Channel 2 Maximum alarm setting value0
2CH44Channel 3 Maximum alarm setting value0
2DH45Channel 4 Maximum alarm setting value0
2EH46Channel 5 Maximum alarm setting value0
2FH47Channel 6 Maximum alarm setting value0
30H48Channel 7 Maximum alarm setting value0
31H49Channel 8 Maximum alarm setting value0
32H50Channel 1 Minimum alarm setting value0
33H51Channel 2 Minimum alarm setting value0
34H52Channel 3 Minimum alarm setting value0
35H53Channel 4 Minimum alarm setting value0
36H54Channel 5 Minimum alarm setting value0
37H55Channel 6 Minimum alarm setting value0
38H56Channel 7 Minimum alarm setting value0
39H57Channel 8 Minimum alarm setting value0
3AH58Maximum alarm status
3BH59Minimum alarm status
3CH60Channel 1 Digital filter constant30
3DH61Channel 2 Digital filter constant30
3EH62Channel 3 Digital filter constant30
3FH63Channel 4 Digital filter constant30
40H64Channel 5 Digital filter constant30
41H65Channel 6 Digital filter constant30
42H66Channel 7 Digital filter constant30
43H67Channel 8 Digital filter constant30
44H6814/16 Bit Set
45H69Error Code
46H70Operating System Version
47H71Reserved
48H72Reserved
49H73Reserved
4AH74Reserved
4BH75Reserved
4CH76Reserved
4DH77Reserved
4EH78Reserved
4FH79Check AD channel use0
50H80Reserved
51H81Reserved
52H82Channel 1 Digital conversion value (16-Bit)
53H83Channel 2 Digital conversion value (16-Bit)
54H84Channel 3 Digital conversion value (16-Bit)
55H85Channel 4 Digital conversion value (16-Bit)
56H86Channel 5 Digital conversion value (16-Bit)
57H87Channel 6 Digital conversion value (16-Bit)
58H88Channel 7 Digital conversion value (16-Bit)
59H89Channel 8 Digital conversion value (16-Bit)

Digital Conversion Value

  • The digital conversion value is used to save A/D conversion of a digital output value.
  • The digital conversion value indicates 0 ~ 64,000 (unsigned) or -32,000 ~ 32,000 (signed) by 16-bit (WORD).
    • If the digital conversion value is over this range, its value is fixed with -384/64,383 (unsigned) or -32,384/32,384 (signed).

Precise Value

  • The precise value is used to convert A/D conversion values to precise values.
  • Refer to the table below for the analog input range with its precise value.
Analog InputPrecise Value
4mA ~ 20mA4,000 ~ 20,000
0mA ~ 20mA0 ~ 20,000
+1V ~ +5V1,000 ~ 5,000
0V ~ +5V0 ~ 5,000
-10V ~ +10V-10,000 ~ 10,000
0V ~ +10V0 ~ 10,000

Percentile Value

  • The percentile value is used to save an analog input value for each channel as a percentile value compared with input signal range.
  • The conversion value is 0 ~ 10,000
    • 0.00% ~ 100.00%

Setup Input Signal Range

  • The setup input signal range is used to setup the analog input range for each channel.
  • Refer to the table below for the setup input signal ranges.
Input Signal RangeSetting Value
4mA ~ 20mA0
0mA ~ 20mA1
+1 ~ +5V2
0V ~ +5V3
-10V ~ +10V4
0V ~ +10V5

Setup Raw Value Digital Output

  • Setup range of the digital conversion value to output raw value.
    • Two bits for each channel are assigned.
      • Refer to the table below for bit mapping.
00000000Channel 4Channel 3Channel 2Channel 1

Conversion Input & Full Value Range:

CodeNormal Input RangeFull Range
00 (0)-8,000 ~ 8,000-8,191 ~ 8,192
01 (1)-8,000 ~ 8,000-8,000 ~ 8,000
10 (2)-192 ~ 16,191-192 ~ 16,191
11 (3)0 ~ 64,0000 ~ 64,000

Full range is used when exceeding the normal input range.

Average Processing Setting Value

The average processing setting value is used to specify average processing methods.

  • Count average:
    • Upper 1 bytle
    • 1 ~ 256
  • Time average:
    • Lower 1 byte
    • 0 ~ 256 (10ms)

Maximum Alarm Setting Value

The maximum alarm setting value sets the maximum value for the alarm.

  • The alarm occurs when the A/D conversion value exceeds the maximum alarm setting value.

Minimum Alarm Setting Value

The minimum alarm setting value sets the minimum value for the alarm.

  • The alarm occurs when the A/D conversion value is less than the minimum alarm setting value.

Maximum Alarm Status

  • If the A/D conversion value exceeds the maximum alarm setting value, the related channel’s bit is ON (1).
000000000000Channel 4Channel 3Channel 2Channel 1

Minimum Alarm Status

  • If the A/D conversion value is less than the minimum alarm setting value, the related channel’s bit is ON (1).
000000000000Channel 4Channel 3Channel 2Channel 1

Error Code

Error CodeDescription
0No Error
1System Error
A/S needed
2Calibration fault for A/D conversion value

Operating System Version

  • The operating system version indicates the firmware version of the module.