74 266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A
… 8 Operation
… Interface description
Coil Register
Address Parameter Function code Diagnosis condition
Read Write
1 Diagnosis Main[0] bit 0 01, 02
Differential pressure sensor fail
2 Diagnosis Main[0] bit 1 01, 02
Static pressure sensor fail
3 Diagnosis Main[0] bit 2 01, 02
Sensor temperature fail
4 Diagnosis Main[0] bit 3 01, 02
Process temperature sensor fail
5 Diagnosis Main[0] bit 4 01, 02
Differential Pressure Sensor out of Limits
6 Diagnosis Main[0] bit 5 01, 02
Static Pressure Sensor out of Limits
7 Diagnosis Main[0] bit 6 01, 02
Sensor temperature out of limit
8 Diagnosis Main[0] bit 7 01, 02
Process Temperature out of Limits
11 Diagnosis Main[1] bit 2 01, 02
Differential Pressure Sensor out of Range
12 Diagnosis Main[1] bit 3 01, 02
Static Pressure Sensor out of Range
13 Diagnosis Main[1] bit 4 01, 02
Process Temperature out of Range
14 Diagnosis Main[1] bit 5 01, 02
Fourth sensor out of Range
17 Diagnosis Main[2] bit 0 01, 02
Sensor invalid
18 Diagnosis Main[2] bit 1 01, 02
Sensor memory fail
19 Diagnosis Main[2] bit 2 01, 02
Non–Volatile memory burn error
20 Diagnosis Main[2] bit 3 01, 02
Electronic Interface error
21 Diagnosis Main[2] bit 4 01, 02
Electronic Interface communication error
24 Diagnosis Main[2] bit 7 01, 02
Memory failure
25 Diagnosis Main[3] bit 0 01, 02
Non–Volatile memory burn error
26 Diagnosis Main[3] bit 1 01, 02
Non–Volatile storage active
27 Diagnosis Main[3] bit 2 01, 02
Non–Volatile checking active
31 Diagnosis Main[3] bit 6 01, 02
Input simulation active
32 Diagnosis Main[3] bit 7 01, 02
Max. Working pressure exceeded
33 Diagnosis Main2[0] bit 0 01, 02
Pressure over range
37 Diagnosis Main2[0] bit 4 01, 02
Electronic Diagnosis warning
38 Diagnosis Main2[0] bit 5 01, 02
Configuration error
39 Diagnosis Main2[0] bit 6 01, 02
PILD output
40 Diagnosis Main2[0] bit 7 01, 02
Changed operating conditions
41 Diagnosis Main2[1] bit 0 01, 02
Electronic Diagnosis alarm
42 Diagnosis Main2[1] bit 1 01, 02
Electronic Temperature error
43 Diagnosis Main2[1] bit 2 01, 02
Replace info
44 Diagnosis Main2[1] bit 3 01, 02
Multivariable Calculation out of Range
46 Diagnosis Main2[1] bit 5 01, 02
Multivariable Input out of range
47 Diagnosis Main2[1] bit 6 01, 02
Multivariable Input invalid
48 Diagnosis Main2[1] bit 7 01, 02
Wrong flow direction
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