Table 10: MODBUS registers for a 2-channel XGF868i
MODBUS
Reg #
DPR hex
addr
Description
Scaling
(decimal places)
Size in bytes
40
4E
Ch2 std volumetric
#Q DIGITS
4 (IEEE 32 bit)
42
52
Ch2 fwd totals
#T DIGITS
4 (2 16 bit int)
44
56
Ch2 rev totals
#T DIGITS
4 (2 16 bit int)
46
5A
Ch2 #tot digits
0
2
47
5C
Ch2 mass flow
#M DIGITS
4 (IEEE 32 bit)
49
60
Ch2 Fwd mass totals
#MT DIGITS
4 (2 16-bit int)
51
64
Ch2 rev mass totals
#MT DIGITS
4 (2 16-bit int)
53
68
Ch2 #mass tot digits
0
2
54
6A
Ch2 timer
2
4 (2 16-bit int)
56
6E
Ch2 error code
0
2
57
70
Ch2 sound speed
3
4 (2 16-bit int)
59
74
Ch2 molecular weight
4
4 (2 16-bit int)
61
78
Ch2 sig strength upstream
1
4 (2 16-bit int)
63
7C
Ch2 sig strength downstream
1
4 (2 16-bit int)
65
80
Ch2 temperature
2
4 (2 16-bit int)
67
84
Ch2 pressure
3
4 (2 16-bit int)
69
88
Avg velocity
2
4 (2 16-bit int)
71
8C
Avg act volumetric
#Q DIGITS
4 (IEEE 32 bit)
73
90
Avg std volumetric
#Q DIGITS
4 (IEEE 32 bit)
75
94
Avg fwd totals
#T DIGITS
4 (2 16 bit int)
77
98
Avg rev totals
#T DIGITS
4 (2 16 bit int)
79
9C
Avg #tot digits
0
2
80
9E
Avg mass flow
#M DIGITS
4 (IEEE 32 bit)
82
A2
Avg fwd mass totals
#MT DIGITS
4 (2 16-bit int)
20
Summary of Contents for DigitalFlow XGF868i
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