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78M6610+PSU Data Sheet
3.7.3 AlarmMask1 (address 0x09) and AlarmMask2 (address 0x51)
The registers AlarmMask1 and AlarmMask2 allow the user to select which alarm will be used to drive the
corresponding alarm pins: AlarmMask1 controls ACFAULT pin while AlarmMask2 controls ACCRIT pin.
For example, to select OverCurrent and Vsurge to drive the ACFAULT pin, AlarmMask1 should be set to
0x000440. The AlarmMask1 and AlarmMask2 registers can be saved into flash memory.
Table 3-10: AlarmMask1 and AlarmMask2 Registers Bits Assignment
Bit
Alarm/
Status
Default Function
23 DataReady 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
22 OverTemp 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
21 UnderTemp 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
19 ExtOvTemp1
0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
18 ExtOvTemp2
0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
17-12
Not Used Not used
11 Vsag 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
10 Vsurge 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
9 VdropOut 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
8 OverVolt 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
7 UnderVolt 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
6 OverCurrent 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
5 OverPower 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
4 OverFreq 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
3 UnderFreq 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
2 Relay_On 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
1 Zero_Cross 0 1 = Alarm drives alarm output pin; 0 = Alarm has no effect on alarm output pin.
0 Not Used Not used
Rev 3 33