Dwyer Instruments UFM2 - Page 35

UFM2/UBT User Manual
Issue 1.1b July 20 Page 31
The following registers are available.
Register
Offset
Type
Typical
Contents
Meaning
Notes
n/a
Byte
0x01
Instrument Address
n/a
Byte
0x03
Instrument Command
n/a
Byte
0x40
Number of bytes to
read
0
Int-16
0x00
Device ID
0xAC
UFM2/UBT
0xac
1
Int-16
0x00
Status
0x0000 OK
Not[0x0000] Fault
0x00
2
Int-16
0x00
System Type
UBT only
0x04 Heating system
0x0C Chiller system
0x04
3
Int-16
0x00
Serial Identifier
0x01
4
Int-16
0x23
0x45
5
Int-16
0x60
0x00
6
IEEE754
float
0x40
Measured Velocity
Units in m/s
0x1f
7
0x67
0xd3
8
IEEE754
float
0x41
Measured Flow
Units in m
3
/hr for Metric
Units in US Gal/m for
Imperial
0x8c
9
0xd8
0xb0
10
IEEE754
float
0x42
Calculated Power
(UBT only)
Units in kW for Metric
Units in BTU/s for
Imperial
0x1c
11
0x2e
0x34
12
IEEE754
float
0x44
Calculated Energy
(UBT only)
Units in kWh for Metric
Units in BTU for
Imperial
0x93
13
0xc6
0xe8
14
IEEE754
float
0x41
Measured Temperature
(Hot)
(UBT only)
Units in Degrees
Celsius for Metric
Units in Degrees
Fahrenheit for Imperial
0x98
15
0x00
0x00