ICP DAS USA ET-7000 series, User Manual

Page: 134 / 148

Appendix D: Modbus Application Notes
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104
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134
635 1 Clear AI Latch Low (all) 1 1=clear W (pulse)
636 10 AI Alarm High switch 1
0=disabled high alarm
1=enabled high alarm
R/W/E
668 10 AI Alarm Low switch 1
0=disabled low alarm
1=enabled low alarm
R/W/E
700 10 AI Alarm High mode 1
0=Moment
1=Latched
R/W/E
732 10 AI Alarm Low mode 1
0=Moment
1=Latched
R/W/E
764 10 AI High Alarm 1
0=OK
1=alarm (clear)
R/W (pulse)
796 10 AI Low Alarm 1
0=OK
1=alarm (clear)
R/W (pulse)
828 1
High Alarm of Average value of all
AI channel
1
0=OK
1=alarm (clear)
R/W (pulse)
829 1
Low Alarm of Average value of all
AI channel
1
0=OK
1=alarm (clear)
R/W (pulse)
830 1 Enable/Disable calibration 1
0=disabled
1=enabled
R/W
831 1 Zero calibration channel 0 1 1 = write W (pulse)
832 1 Span calibration channel 0 1 1=write W (pulse)
(3xxxx) AI address
Begin address Points Description
Registers
per Point
Range
Access
Type
0 10 Analog Input word -32768 ~ +32767 R
143 1 CJC temperature word -32768 ~ +32767 R
144 10 Average value of one channel word
0 ~ 65535 or
-32768 ~ +32767
R
176 1
Average value of all enabled AI
channel
word
0 ~ 65535 or
-32768 ~ +32767
R
177 1
Average value of all maximum
latched AI value
word
0 ~ 65535 or
-32768 ~ +32767
R
178 1
Average value of all minimum
latched AI value
word
0 ~ 65535 or
-32768 ~ +32767
R
236 10 Analog Latched value (High) word
0 ~ 65535 or
-32768 ~ +32767
R
268 10 Analog Latched value (Low) word
0 ~ 65535 or
-32768 ~ +32767
R
310 1 DO (channel number) word 0 ~ 79 R
311 1
Power on value for DO (channel
number)
word 0 ~ 79 R
312 1
Safe value for DO (channel
number)
word 0 ~ 79 R
320 1 AI (channel number) word 0 ~ 16 R
350 1 OS image version word
123 (hex) means
version=1.2.3
R
351 1 Total firmware version word
123 (hex) means
version=1.2.3
R