<8. Maintenance>
8-16
IM 01C25W05-01EN
Table 8.6
Extended Device Status and Diagnostic Status 0, 1
Extended device status
(Ext dev Status)
NE107
(Default Value)
Description
Maintenance Required (0x01)
N
Field device requires maintenance.
Device Variable Alert (0x02)
S
Any device variable is in an alarm or warning state.
Critical Power Failure (0x04)
F
Not used
Failure (0x08)
N
One or more device variables are invalid due to a malfunction in the
field device.
Out of Specification (0x10)
N
Deviations from the permissible ambient or process conditions
have been detected that may compromise measurement or control
accuracy.
Function Check (0x20)
N
One or more device variables are temporarily invalid due to
ongoing work on the device.
Diagnostic Status 0
NE107
(Default Value)
Description
Device Variable Simulation Active(0x01)
C
The device is in simulation mode and one or more of its device
variables are not representative of the process.
Non-Volatile Memory Defect(0x02)
F
The Non-Volatile memory check is invalid or maybe corrupt.
Volatile Memory Defect(0x04)
F
Not used
Watchdog Reset Executed (0x08)
F
Not used
Power Supply Conditions Out of Range(0x10)
S
Not used
Environmental Conditions Out of Range(0x20)
S
An internal or environmental condition is beyond acceptable limits.
Electronic Defect(0x40)
F
A hardware problem not related to the sensor has been detected.
Device Configuration Locked(0x80)
N
Device is in write-protect or is locked.
Diagnostic Status 1
NE107
(Default Value)
Description
Status Simulation Active(0x01)
N
Status simulation mode has been enabled and the device status
and status bits are fixed and may not represent the current state of
the device.
Discrete Variable Simulation Active(0x02)
C
Not used
Event Notification Overflow(0x04)
N
Not used
Table 8.7
Data Quality and Limit Status
Data Quality
Description
Good
The value may be used in control.
Poor Accuracy
The quality of the value is less than normal, but the value may still
be useful.
Manual / Fixed
The value is manually fixed.
Bad
The value is not useful.
Limit Status
Description
Constant
The value cannot be changed, no matter what the process does.
Low Limited
The value is out of the high or low limit.
High Limited
Not Limited
The value is free to change.
