ICP DAS USA ET-7000 Series User Manual page 139

Appendix D: Modbus Application Notes


enable the settings to take effect.
AI High/Low Alarm
ET-7017 and ET-7017-10 module equip with the High/Low Alarm function. When the alarm
function is enabled, the specified registers are the alarm indicator. The alarm function is to
compare the analog input value with given high alarm value and low alarm value.
Address 00636 to 00667 can be used to enable/disable the AI High Alarm function. Address
00668 to 00699 can be used enable/disable the AI Low Alarm function.
ET-7017 AI High/Low Alarm Switch Table
Channel Number
AI0
AI1
AI2
AI3
AI4
AI5
AI6
AI7
AI8
AI9
Address 40296 to 40327 records the High Alarm value. Address 40328 to 40359 records the
Low Alarm value. By the default, the High Alarm value is 32767 and the Low Alarm value is
-32768.
ET-7017 AI High/Low Alarm Value Table
Channel Number
AI0
AI1
AI2
AI3
AI4
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104
AI High Alarm
Register Description
00636 0: Disable / 1:Enable
00637 0: Disable / 1:Enable
00638 0: Disable / 1:Enable
00639 0: Disable / 1:Enable
00640 0: Disable / 1:Enable
00641 0: Disable / 1:Enable
00642 0: Disable / 1:Enable
00643 0: Disable / 1:Enable
00644 0: Disable / 1:Enable
00645 0: Disable / 1:Enable
High Alarm Value of AI
Register Description
40296 -32768 ~ 32767
40297 -32768 ~ 32767
40298 -32768 ~ 32767
40299 -32768 ~ 32767
40270 -32768 ~ 32767
AI Low Alarm
Register Description
00668 0: Disable / 1:Enable
00669 0: Disable / 1:Enable
00670 0: Disable / 1:Enable
00671 0: Disable / 1:Enable
00672 0: Disable / 1:Enable
00673 0: Disable / 1:Enable
00674 0: Disable / 1:Enable
00675 0: Disable / 1:Enable
00676 0: Disable / 1:Enable
00677 0: Disable / 1:Enable
Low Alarm Value of AI
Register Description
40328 -32768 ~ 32767
40329 -32768 ~ 32767
40330 -32768 ~ 32767
40331 -32768 ~ 32767
40332 -32768 ~ 32767
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