Atest Gaz LTT2, Руководство пользователя

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Map of GTW functionality memory in LTT2 and
LTT4
1 Memory map
Addresses range Description
40001 – 40064 Status of detectors at channels 1 – 32
40065 – 40066 Condition of optical and acoustic elements
40067 – 40067 Status of signaller
40068 – 40099 Temperature in measuring head of detectors at channels 1 – 32
44001 – 44002 External DI control inputs
46001 Signaller with Modbus interface control
1.1 Detectors' statuses (read-only)
Channel No. Register Name Description Type
1 40001 State_A Detector status flags
40002 N Output signal (concentration) U16 1
2 40003 State_A Detector status flags
40004 N Output signal (concentration) U16
... ... ... ... ...
32 40063 State_A Status Detector status flags
40064 N Output signal (concentration) U16
State_A – status of a detector at the specific channel. Assignment of the individual bits is listed in the table
below.
Bit Flag Description
0 Collective_W1 First warning threshold exceeded
1 Collective_W2 Second warning threshold exceeded
2 Collective_AL Alarm threshold exceeded
3 Collective_CrFail Collective information about a critical failure
4 Collective_NonCrFail Collective information about a non-critical failure
5 - Unused
6 Gas_HiHi_Range Gas overload
7 Sensor_Lock Sensor locked (the last measurement result is stored)
8 Calibration Calibration mode
9 Test Test mode
10 Warm_Up Sensor's warm up
1 U16 – unsigned 16-bit number.
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