ALTUS Nexto Series User Manual

5. CONFIGURATION
Resulting Quality Resulting VALIDITY Description
FLAG_COMM_FAIL AND
FLAG_RESTART
VALIDITY_INVALID
Communication error. The
point never was updated.
FLAG_COMM_FAIL AND
FLAG_OLD_DATA
VALIDITY_QUESTIONABLE
An error has occurred but
the point was updated and
now has an old value.
FLAG_FAILURE AND
FLAG_RESTART
VALIDITY_INVALID
It has received an exception
response and the point kept
its initial value.
FLAG_FAILURE AND
FLAG_OLD_DATA
VALIDITY_QUESTIONABLE
It has received an exception
response, but the point has a
valid old value.
FLAG_RESTART AND
FLAG_OLD_DATA
VALIDITY_QUESTIONABLE
Device stopped. The point
has an old value.
Table 54: MODBUS Quality
5.1.5.1.4. Local Bus I/O Modules Quality
To help in the use of each I/O point’s diagnostic, MasterTool automatically creates a quality structure to each local bus
module used on the PLC project, through an own internal structure accessible by structure QUALITY, available in GVL
IOQualities.
The table below describes the quality types to each input and output point.
For further information look at GVL IOQualities.
Diagnostics Resulting Quality Resulting VALIDITY Description
Don’t care FLAG_RESTART VALIDITY_INVALID
The quality has this value
before have been read or
written for the first time.
None - VALIDITY_GOOD
Communication OK. The
point is updated.
None
FLAG_OLD_DATA AND
FLAG_FAILURE
VALIDITY_QUESTIONABLE
Non-operational module.
However, the data have been
read or written at least once.
bOverRange OR bUnder-
Range
FLAG_OUT_OF_RANGE VALIDITY_INVALID
The value is above or below
the module’s input allowed
range.
bInputNotEnable OR
bOutputNotEnable
FLAG_OPERATOR_BLOCKED VALIDITY_INVALID Input/Output not enable.
bOpenLoop FLAG_FAILURE VALIDITY_INVALID Open loop in input module.
bFatalError FLAG_FAILURE VALIDITY_INVALID Hardware fatal failure.
bNoExternalSupply FLAG_FAILURE VALIDITY_INVALID
External power supply is
under operational minimum
limit.
bShortCircuit OR bOut-
putShortCircuit
FLAG_FAILURE VALIDITY_INVALID Output short-circuit.
bCalibrationError FLAG_INACCURATE VALIDITY_INVALID Calibration error.
bColdJunctionSensorError FLAG_INACCURATE VALIDITY_INVALID Cold junction sensor error.
Table 55: I/O Modules Quality
80

ALTUS Nexto Series Specifications

General

Brand	ALTUS
Model	Nexto Series
Category	Computer Hardware
Language	English