Siemens SIMOVERT MASTERDRIVES Motion Control Instructions De Service page 302

Faults and Alarms
Number / Alarm Cause
A121 See user manual for TB board
TB alarm 2
not Compact PLUS
A122 See user manual for TB board
TB alarm 2
not Compact PLUS
A123 See user manual for TB board
TB alarm 2
not Compact PLUS
A124 See user manual for TB board
TB alarm 2
not Compact PLUS
A125 See user manual for TB board
TB alarm 2
not Compact PLUS
A126 See user manual for TB board
TB alarm 2
not Compact PLUS
A127 See user manual for TB board
TB alarm 2
not Compact PLUS
A128 See user manual for TB board
TB alarm 2
not Compact PLUS
A129 Machine data 1 (position encoder type/axis
type) is 0 (axis does not exist).
Axis does not exist -
machine data 1 = 0 Effect:
Operation of the axis is inhibited and the
position controller is deactivated.
A130 The "in operation [IOP]" checkback signal was
missing when a traversing command was
Operating conditions initiated. The following causes inhibit the "in
do not exist operation" checkback signal (status bit No.2,
refer to function diagram sheet 200) :
-Control signals [OFF1], [OFF2], [OFF3]
and/or "enable controller" [ENC] are not
activated.
-Checkback signals [OFF2] and/or [OFF3] are
not activated.
-A fault [FAULT] is active.
Effect:
The traversing command is inhibited.
12-20
Counter-measure
See user manual for TB board
See user manual for TB board
See user manual for TB board
See user manual for TB board
See user manual for TB board
See user manual for TB board
See user manual for TB board
See user manual for TB board
You must assign a valid value to machine data
1 in order to operate the axis.
Activate control signals [OFF1], [OFF2],
[OFF3] and "enable controller" [ENC].
-If checkback signals [OFF2] and/or [OFF3]
are missing, check the supply of control word
1 (MASTERDRIVES function diagram, sheet
180).
-Analyze the queued fault number
[FAULT_NO], remedy the fault, and then
cancel the fault using the acknowledge fault
[ACK_F] control signal.
Note:
To activate the "in operation" [IOP] status
again, you must deactivate [OFF1] and then
activate it again.
6SE7087-7JP50
Operating Instructions SIMOVERT MASTERDRIVES
08.2006
Siemens AG