Endress+Hauser Liquiline CM44 series - Diagnostic Messages; Device Related Diagnostics

SD01189C/07/EN/04.17
Endress+Hauser
23
The status signal can be read via the Modbus diagnostic function code #08 or directly as a parameter.
Parameter
Input
Register
Bit
MB_FC08_DIAGNOSE
500
0
Sensor 1 has a diagnostic message
1
Sensor 2 has a diagnostic message
2
Sensor 3 has a diagnostic message
3
Sensor 4 has a diagnostic message
4
Sensor 5 has a diagnostic message
5
Sensor 6 has a diagnostic message
6
Sensor 7 has a diagnostic message
7
Sensor 8 has a diagnostic message
8
General diagnostic message
9..11
Reserved = 0
12
Status signal F (failure)
13
Status signal C (function check)
14
Status signal M (maintenance required)
15
Status signal S (out of specification)
The FCMS error category can be adapted individually for each diagnostic message.
For device related diagnostic messages:
Path: Menu/Setup/General settings/Extended setup/Diagnostics settings/Diag. behavior
For sensor related diagnostic messages:
Path: Menu/Setup/Inputs/<Sensor>/Extended setup/Diagnostics settings/Diag. behavior
5.4 Diagnostic messages
Via Modbus registers, the device provides detailed information on the current diagnostic message with the
highest priority and the last diagnostic message to be displayed. This information is available for the
device and for each sensor.
The diagnostic codes and the corrective measures which can be taken based on the error code, are
described in the Operating Instructions "Maintenance & diagnostics".
5.4.1 Device related diagnostics
Current, active diagnostic message with the highest priority:
Parameter
Input
Register
Data Type
Info
DEVICE_CURRENT_DIAG_MODUL
504
UNSIGNED16
Slot number 0 to 7 of the
module.
DEVICE_CURRENT_DIAG_PORT
505
UNSIGNED8
Connection 0 to 3 on the module.
DEVICE_CURRENT_DIAG_NE107_STATUS
506
UNSIGNED8
Bit 0: Failure (F)
Bit 1: Function check (C)
Bit 2: Maintenance (M)
Bit 3: Out of specification (S)
Bit 4-7: Reserved = 0
DEVICE_CURRENT_DIAG_CODE
507
UNSIGNED16
Diagnostic code (0 to 999)
DEVICE_CURRENT_DIAG_TIMESTAMP
508
UNSIGNED32
Time stamp (seconds since
1.1.1970)