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Jumper opened – device memory is protected from writing, from device side it is only
enabled to read measured value, writing to memory is disabled (no change of settings is
enabled)
Jumper closed – writing to regulator memory is enabled
6.1.3. Modbus registers of the regulator
Common registers:
Variable
[-]
[-]
[-]
[-]
[-]
Address
[hex]X
0x0031
0x0032
0x0033
0x003B
0x003C
0x003D
0x003E
0x003F
Address
[dec]X
49
50
51
59
60
61
62
63
[-]
0x0008
[-]
[-]
[-]
[-]
[-]
[-]
[-]
0x0007
0x1035
0x1036
0x3001
0x3002
0x2001
0x2002
Unit
measured temperature
measured relative humidity
computed value*
relay 1 status [0/1] (Alarm 1)
relay 2 status [0/1](Alarm 2)
binary input 1 status [0/1]
binary input 2 status [0/1]
binary input 3 status [0/1]
status of all binary inputs
(bit0, 1, 2)
status word (described below)
device serial number Hi
device serial number Lo
firmware version Hi
firmware version Lo
device address
communication speed code
[°C/°F]*
[%]
Format
Size
Status
Int*10
Int*10
Int*10
Int
Int
Int
Int
Int
BIN16
BIN16
BIN16
BIN16
BIN16
BIN16
BIN16
BIN16
R
R
R
R
R
R
R
R
8
Int
BIN16
R
7
4149
4150
12289
12290
8193
8194
Int
BCD
BCD
BCD
BCD
Int
Int
BIN16
BIN16
BIN16
BIN16
BIN16
BIN16
BIN16
R
R
R
R
R
R/W**
R/W**
Addition for H7430 and H7431 regulators with barometric pressure measurement:
Variable
Unit
barometric pressure
Legend:
*
Int*10
R
W**
22
hPa
PSI
inHg
mBar
oz/in2
mmHg
inH2O
kPa
Address
[hex]X
0x0034
Address
[dec]X
Format
Size
Status
52
Int*10
Int*1000
Int*100
Int*10
Int*10
Int*10
Int*10
Int*100
BIN16
R
depends on device setting (by User´s software)
register is in format integer *10 (likewise *100, *1000)
register is designed only for deading
register is designed for writing, but direkt write is not availavle, for details see
desctription of communication protocols
IE-HGS-HX43X-08