Instruction 3015-4148
79
Fault
Log
Register
Register 0x1900, 0x1901h
R
302 bytes
These registers contain the 20 most recent fault events, the time they occurred, and a pointer to the most
recent event. The data is split into 2 registers. The first register contains 200 bytes and the second register
contains 102 bytes. The results of these two register reads should be recombined into the Fault Log Data
Structure after both have been received
Variable Type
Length
Description
Fault
UI
40 bytes
20 most recent fault events. Each event is decoded as
indicated in Fault Flag Structure given after the Status
Register Description
Time
TIM
260 bytes
Time of each fault occurrence. TIM value as defined in
NOTE 2 of Zone Data
Ptr
UC
1 byte
Pointer to most recent event
Unused UC
1
byte
Alarm Log Register
Register 0x1A00h, 0x1A01h, 0x1A02h R 582 bytes
These registers contain the 20 most recent alarm events, the time they occurred, and a pointer to the most
recent event. The data is split into 3 registers and should be recombined into an appropriate structure after
all three registers have been received. Register 0x1A00h contain 200 bytes, Register 0x1A01h contains 200
bytes, and register 0x1A02h contains 181 bytes.
Variable Type
Length
Description
Event
UC
320 bytes
20 most recent alarm events. Each event contains 1 byte
for each zone. Each zone Byte is defined as 0=No Alarm,
1=Leak Alarm, 2=Spill Alarm, 3=Evac Alarm.
Time
TIM
260 bytes
Time of each alarm event. TIM value as defined in NOTE 2
of Zone Data
Ptr
UC
1 byte
Pointer to most recent event
Unused UC
1
byte
