www.atestgaz.pl
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
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.
Atest Gaz
A. M. Pachole sp. j.
ul. Spokojna 3, 44-109 Gliwice
VAT NO.: 969-143-32-31
tel.: +48 32 238 87 94
fax: +48 32 234 92 71
e-mail: contact@atestgaz.pl
s. 1/4
Appendix: PU-Z-096-ENG R03
•
