Appendix
A.3 Tags of the technology object external encoder
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
365
A.3.11
ErrorWord tag (external encoder)
The <TO>.ErrorWord tag indicates errors at the technology object (technology alarms).
Notes on the evaluation of the individual bits (e.g. bit 3 "CommandNotAccepted") can be
found in the section Evaluating StatusWord, ErrorWord and WarningWord (Page 175).
Tag
Tag
Data type
Values
W
Description
ErrorWord DWORD
-
RON
Bit 0
-
-
-
"SystemFault"
System error
Bit 1
-
-
-
"ConfigurationFault"
Configuration error
One or more configuration parameters are inconsistent or invalid.
Bit 2
-
-
-
"UserFault"
Error in the user program in a motion control instruction, or in its
use
Bit 3
-
-
-
"CommandNotAccepted"
Command cannot be executed.
A Motion Control command cannot be executed, because neces-
sary preconditions are not met.
Bit 4
-
-
-
Reserved
Bit 5
-
-
-
"SensorFault"
Error in the encoder system.
Bit 6
-
-
-
Reserved
Bit 7
-
-
-
"CommunicationFault"
Communication error
Missing or faulty communication.
Bit 8
-
-
-
Reserved
Bit 9
-
-
-
Reserved
Bit 10
-
-
-
"HomingFault"
Error during homing process
The homing cannot be completed.
Bit 11
-
-
-
Reserved
Bit 12
-
-
-
Reserved
Bit 13
-
-
-
"PeripheralError"
Error accessing a logical address
Bit 14...
Bit 31
-
-
-
Reserved