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FS-8700-48 Fike Cheetah Manual Page 17 of 36
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4.5.3. Map Descriptor Example 3 – Zone Status as a numeric value
In this example, the driver stores zone data for any zone. It will store data for all possible states that the panel reports for each of the
zones. It will store this information by storing a number in the Data Array. The number can be inspected to determine which states
are active.
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Cheet_Device, Cheet_DT, Cheet_Zone
Device1_L1_Alm, DA_DI1, 20, Passive, Node_A, None Any, All
This data type tells the driver that this Map Descriptor must be
used to store zone status data of any type.
The driver writes a number into the array location for each device.
The value of number indicates the status of the zone. The value
is based on which bits in the binary number are set.
Bit 0: Abort State
Bit 1: Trouble State
Bit 2: Supervisory State
Bit 3: Zone is disabled
Bit 4: Pre Alarm State
Bit 5: Alarm State
Bit 6: Pre-Discharge State
Bit 7: Release State
Bit 8: Process State
Example : Value = 32 indicates an alarm state
Example : Value = 96 indicates an alarm & pre-discharge state
For the driver to effectively report the
status as a number the Data Array
format must be suitable for storing the
number. You can use UINT16, UINT32
and FLOAT formats.