GHM Delta OHM HD50CR-AS, Operating Manual

Page: 17 / 32

HD50CR-AS
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V1.1
8 MODBUS
The device general information can be read through the function code 0x2B/0x0E :
• Manufacturer (Delta OHM)
•
Model
•
Firmware version
The complete list of MODBUS registers is shown below. If you try to read a register that
is not present, the instrument returns the fixed value 32767. The list of the available
registers can be downloaded in the PC using the function "
Download the list of MOD-
BUS registers of the device " included in the Settings sections of HD35AP-S software
(see software instructions).
The following conventions have been used in the tables:
o
Type: b = bit, B = 8 bits (Byte), W = 16 bits without sign (Word), SW = 16 bits
with sign
o
(x10) = decimal value expressed as an integer (e.g., if the content of the register
is 184, the value is to be intended as 18,4).
o
(x100) = centesimal value expressed as an integer (e.g., if the content of the reg-
ister is 500, the value is to be intended as 5,00).
The commands for requesting units of measurement return an index according to the
correspondence indicated in the table below:
Indexes of the units of measurement
Index
Unit of
meas.
Index
Unit of
meas.
Index
Unit of
meas.
Index
Unit of
meas.
Index
Unit of
meas.
0 °C 13 inchHg 26 J/m
2
39 inch 52 l/min
1 °F 14 inchH
2
O 27 µJ/cm
2
40 counts 53 gallon/min
2 %UR 15 kgf/cm
2
28 V 41 mm/h 54 m
3
/min
3 g/m
3
16 PSI 29 mV 42 inch/h 55 m
3
/h
4 g/kg 17 m/s 30 mA 43 counts/h 56 µmol/(m
2
s)
5 mbar 18 km/h 31 ppm 44 mW/m
2
57 mm/day
6 bar 19 ft/s 32 Hz 45 m 58 kV
7 Pa 20 mph 33 % 46 s 59 A
8 hPa 21 knot 34 degrees 47 µW/lumen 60 kA
9 kPa 22 W/m
2
35 lux 48 dB
10 atm 23 µW/cm
2
36 m
2
/s 49 dBA
11 mmHg 24 Wh/m
2
37 g
(*)
50 kWh
12 mmH
2
O 25 kWh/m
2
38 mm 51 l/s 255 Not
defined
(*)
Gravity acceleration
Discrete Inputs - Read-only parameters
Address Type Discrete Input description
7 b If 1, at least a quantity is in alarm.