
DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
45
Chapter 1. Programming Site Data
Table 26: DF868 2-Channel MODBUS Registers
MODBUS
Reg #
Description
Units
Scaling
(decimal
places)
Size in Bytes
1
1
Clear Totalizers
none
2 (16 bit signed)
2
CH 1 Velocity
ft/s or m/s
2
4 (32 bit integer)
4
CH 1 Volumetric
VOL_U
--
4 (IEEE 32 bit)
6
CH 1 +Totals
TOT_U
Register 10
4 (32 bit integer)
8
CH 1 -Totals
TOT_U
Register 10
4 (32 bit integer)
10
CH 1 #T Digits
none
0
2 (16 bit integer)
11
CH 1 Totalizer Time
sec
2
4 (32 bit integer)
13
2
CH 1 Error Value
none
0
2 (16 bit integer)
14
CH 1 SSUP
none
1
4 (32 bit integer)
16
CH 1 SSDN
none
1
4 (32 bit integer)
18
CH 1 SNDSP
ft/s or m/s
0
4 (32 bit integer)
20
CH 2 Velocity
ft/s or m/s
2
4 (32 bit integer)
22
CH 2 Volumetric
VOL_U
--
4 (IEEE 32 bit)
24
CH 2 + Totals
TOT_U
Register 28
4 (32 bit integer)
26
CH 2 - Totals
TOT_U
Register 28
4 (32 bit integer)
28
CH 2 # T Digits
none
0
2 (16 bit integer)
29
CH 2 Totalizer Time
sec
2
4 (32 bit integer)
31
2
CH 2 Error Value
none
0
2 (16 bit integer)
32
CH 2 SSUP
none
1
4 (32 bit integer)
34
CH 2 SSDN
none
1
4 (32 bit integer)
36
CH 2 SNDSP
ft/s or m/s
0
4 (32 bit integer)
38
3
AVG Velocity
ft/s or m/s
2
4 (32 bit integer)
40
3
AVG Volumetric
VOL_U
--
4 (IEEE 32 bit)
42
3
AVG + Totals
TOT_U
Register 46
4 (32 bit integer)
44
3
AVG - Totals
TOT_U
Register 46
4 (32 bit integer)
46
AVG #T Digits
none
0
2 (16 bit integer)
47
3
AVG Totalizer Time
sec
2
4 (32 bit integer)
49
4
AVG Error Value
none
0
2 (16 bit integer)
50
3
AVG SSUP
none
1
4 (32 bit integer)
52
3
AVG SSDN
none
1
4 (32 bit integer)
54
3
AVG SNDSP
ft/s or m/s
0
4 (32 bit integer)
56
CH 1 Power
Power_u
--
4 (IEEE 32 bit)
58
CH 1 +Energy
Energy_u
Register 62
4 (32 bit integer)
60
CH 1 -Energy
Energy_u
Register 62
4 (32 bit integer)
62
CH 1 # Energy Digits
none
0
2 (16 bit integer)
63
CH 1 TempS
°F or °C
2
4 (32 bit integer)
65
CH 1 TempR
°F or °C
2
4 (32 bit integer)