ICP DAS USA ET-7000 Series User Manual page 140

Appendix D: Modbus Application Notes


AI5
AI6
AI7
AI8
AI9
The analog input High/Low Alarm contains two alarm types, Momentary Alarm and Latch
Alarm. Address 00700 of Modbus register can be used to set the High Alarm type of channel
0 and the total number of channels depends on the type of module. Address 00732 of
Modbus register can be used to set the Low Alarm type of channel 0.
ET-7017 AI High/Low Alarm Type Table
Channel Number
AI0
AI1
AI2
AI3
AI4
AI5
AI6
AI7
AI8
AI9
The following are the descriptions for two alarm types.
Momentary Alarm
The alarm status is cleared while the analog input is not exceeding the alarm value.
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104
40271 -32768 ~ 32767
40272 -32768 ~ 32767
40273 -32768 ~ 32767
40274 -32768 ~ 32767
40275 -32768 ~ 32767
AI High Alarm Type
Register Description
0: Momentary Alarm
00700
1: Latch Alarm
0: Momentary Alarm
00701
1: Latch Alarm
0: Momentary Alarm
00702
1: Latch Alarm
0: Momentary Alarm
00703
1: Latch Alarm
0: Momentary Alarm
00704
1: Latch Alarm
0: Momentary Alarm
00705
1: Latch Alarm
0: Momentary Alarm
00706
1: Latch Alarm
0: Momentary Alarm
00707
1: Latch Alarm
0: Momentary Alarm
00708
1: Latch Alarm
0: Momentary Alarm
00709
1: Latch Alarm
40333 -32768 ~ 32767
40334 -32768 ~ 32767
40335 -32768 ~ 32767
40336 -32768 ~ 32767
40337 -32768 ~ 32767
AI Low Alarm Type
Register Description
0: Momentary Alarm
00732
1: Latch Alarm
0: Momentary Alarm
00733
1: Latch Alarm
0: Momentary Alarm
00734
1: Latch Alarm
0: Momentary Alarm
00735
1: Latch Alarm
0: Momentary Alarm
00736
1: Latch Alarm
0: Momentary Alarm
00737
1: Latch Alarm
0: Momentary Alarm
00738
1: Latch Alarm
0: Momentary Alarm
00739
1: Latch Alarm
0: Momentary Alarm
00740
1: Latch Alarm
0: Momentary Alarm
00741
1: Latch Alarm
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