ET-7000/PET-7000 AIO Series User Manual, version 1.0.1 beta3 Page: 157
Copyright © 2009 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
The following are the descriptions for two alarm types.
The alarm status is cleared while the analog input is not exceeding the alarm value.
e it is 0.
0795 is the High alarm indicator. If a High alarm occurred, the
alue of register is 1. In normal condition, it will be 0. The address 00796 to 00827 is the
When the Latch Alarm mode is enabled, the register stays latched until the specified
leared.
High Alarm value (40296), the address
e if analog input value of channel 0 (30001) < Low Alarm value (40328),
larm occurred, the value of register stays 1 until the address
High Latch Alarm. The address
0796 to 00827 can be used to clear the Low Latch Alarm.
Momentary Alarm
For example:
If analog input value of channel 0 (30001) > High Alarm value (40296), the address
00764 is 1, els
If analog input Value of channel 0 (30001) < Low Alarm value (40328), the address
00796 is 1, else it is 0.
The address 00764 to 0
v
Low alarm indicator. If a Low alarm occurred, the value of register is 1. In normal
condition, it will be 0.
Latch Alarm
registers are c
For example:
If analog input value of channel 0 (30001) >
00764 is 1, els
the address 00796 is 1.
The address 00764 to 00795 is the High alarm indicator. In normal condition, the value
of register is 0. If a High a
00764 to 00795 is cleared. The address 00796 to 00827 is the Low alarm indicator. In
normal condition, the value of register is 0. If a Low alarm occurred, the value of register
stays 1 until the address 00796 to 00827 is cleared.
The address 00764 to 00795 can be used to clear the
0