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Modbus writes should only be performed when necessary. Every time new values are written to registers highlighted in orange, the settings are saved to flash.
There is a finite limit of typically 100,000 writes to flash memory before PCB failure.
Items highlighted in yellow are activated in V8 firmware onwards.
Items highlighted in green are activated in V10 firmware onwards.
Items highlighted in blue are activated in V15 firmware onwards.
Modbus
Name
Type
Bytes
address
(16 bit)
1 lo
Firmware version
uc
1
1 hi
Display version
us
1
2
Current focal distance
us
2
3,4
Current IP address
ul
4
5 lo
Requests - set the
uc
1
relevant bit to request
the function. The bit
will be cleared auto-
matically
5 hi
Reserved
uc
1
6 lo
Language
uc
1
6 hi
Unlock PIN
uc
1
7,8
Set IP Address
ul
4
9 lo
Mode
uc
1
9 hi
Units
uc
1
10
Emissivity 1
us
2
11
Emissivity 2
us
2
12
Background tempera-
us
2
ture
13
Set focal distance
us
2
Bits
Default
Permitted Range
300 - 10000 mm
Any 8 digit hex
5. unlock
0
Used internally
4. lock
0 = unlock, 1 = lock
(also clear the unlock
number, register 6 hi)
3. reload display
0 = off, 1 = on
2. default values
0 = off, 1 = on
1. reboot
0 = off, 1 = on
0. jpeg
0 = off, 1 = on
0
0
0
0 = unspecified (uses
English UK)
1 = English UK
2 = English US
3 = German
4 = Italian
5 = French
6 = Spanish
7 = Brazilian Portu-
guese
8 = Japanese
9 = Mandarin Chinese
10 = S Korean
11 = Russian
12 = Polish
230
230 to unlock
0x0A010A32 Any digit hex
0, 1, 2: mode
0
0 = first detector
selected
1 = second detector
2 = duo
3 = ratio
4 = multi
5+ = application spe-
cific
C
C or F
1000
50 - 1000 (for emissivi-
ty 0.05 - 1)
1000
50 - 1000 (for emissivi-
ty 0.05 - 1)
0
0 - 5000 deg C or F
1000
Access Notes
ro
ro
ro
ro
rw
To lock the instrument, also clear the unlock number, register 6 hi
rw
rw
Other languages may be added
rw
rw
Used on startup if Set IP selected (register 14 bit 15). Also used as a default if DHCP is set.
rw
Only modes which are enabled on a particular instrument can be selected. Mode 0 will be set if the user attempts to set a mode
which is not available.
rw
rw
See Example 3
rw
rw
rw
Note the instrument does not respond while moving the focus mechanism.
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