Datalogic Arex 420 - Protocol Error

Department
TSS L3 LM
Classification
Public
Page 24 18/04/2019
Version
1.0
Date
4/18/2019
Page 24/27
© 2019 Datalogic S.r.l – All Rights Reserved
15
Invalid Field Symbol Object ID
16
Invalid reader result
17
Result not found
18
Symbol not found
19
Bad Grade required validation
20
MARVIS is not enabled
21
MARVIS License is not enabled
22
Focal Distance Sensor Unavailable
24
Focal Distance Sensor Focus Error
25
Focal Distance Sensor Reference Invalid
26
Focal Distance Sensor Out Of Range
27
Focal Distance Sensor Connection Error
28
Focal Distance Sensor Communication Error
29
Focal Distance Sensor Invalid Focus Search
100
Command exceeds memory area
Command Error are not blocking errors which request an acknowledgement from the
PLC: after that any kind of Command Error is reported, the PLC will be able immediately
request a new command to the Laser Marker, which will try to execute it normally.
Protocol Error
A Protocol Error is notified to the PLC when the Laser Marking System is not able to
correctly determinate a single command to execute.
In addition to the single ‘Protocol Error’ notification bit, a whole byte (address 5) of the
Input Assembly Memory Map describes the reason of the error:
Value
Description
1
Command conflict: more than 1 command bit is set to 1
2
Unknown command: bit(s) in a reserved area is/are set to 1
3
Busy: Protocol in Executing state when Command bit is set to 1 (except for STOP command bit)
255
Critical: Protocol state machine is faulted