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PCI-1202/1602/180x Series Card
Multi-Function Boards
User Manual/ Ver. 4.8/ Mar. 2015/ PMH-0014-48/ Page: 95
7.8.4 The High/Low Alarm of MagicScan
There are 5 alarm types are given as follows:
Type 0 : no alarm
Type 1 : high alarm
any AD data > High_alarm_value
Type 2 : low alarm
any AD data < Low_alarm_value
Type 3 : in alarm
Low_alarm_value < any AD data < High_alarm_value
Type 4 : out alarm
any AD data < Low_alarm_value or
any AD data > High_alarm_value
All the alarm_value are defined in HEX format.
7.8.5 The MagicScan Function
The features of MagicScan are given as follows:
1.
Different gain for each channel
2.
Non-sequential order for channel scan
3.
Different sampling rate for each channel (use with digital filter)
4.
Programmable different digital filter for each scan channel
5.
Programmable HI/LO alarm for each channel
6.
Three external trigger: post-trigger, pre-trigger and middle-trigger
7.
Maintain at 330 k max. for total channel scan
8.
Easy programming
The MagicScan function is implemented with software and hardware. The feature 1 and feature 2
are implemented in hardware. The other features are implemented in software.
The block diagram of MagicScan function is given as follows: