Festo Контроллер позиционирования CPX-CMAX - Manual (Page 166)

4. Faults and diagnostics
4−30
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Fault group 8 ć measuring system error
CPX error group 108 (CPX−MMI: [Encoder error] ) continued
No. Message Cause/description Error handling Type 1)
84 Reference position of the
measuring system lost Although the controller
has set the status to
Referenced", the
measuring system/
sensor interface reĆ
ported Not referenced". · Reference again. Level: F2
Reset: N
Info: x
85 Operating voltage of the
measuring system/senĆ
sor interface outside of
the tolerance range (unĆ
dervoltage) Operating voltage of the
measuring system too
low. · Check the power
supply.
· Check the cables at
the axis string.
Level: F2
Reset: F
Info: x
87 Defective measuring sysĆ
tem cable or measuring
system in the electrical
end−position (potentioĆ
meter) Faulty measuring system
cable. · Check the power
supply.
· Check the cables at
the axis string.
· It may be necessary to
switch on/off.
· Exchange measuring
system or sensor inĆ
terface if necessary.
Level: F2
Reset: N
Info: x
Measuring system in the
electrical end position
(only potentiometer) · Move the measuring
system (potentioĆ
meter) away from the
end position.
89 Faulty data contents in
the position measuring
system / sensor interface The position measuring
system / sensor interĆ
face contains incorrect
or contradictory data. · Switch the power
supply off and then on
again.
When the error is sigĆ
naled again:
· Replace the measurĆ
ing system/sensor inĆ
terface.
· Check firmware of the
CMAX.
Level: F2
Reset: N
Info: x
1) Level: fault level, see section 4.2.3; (can alternatively be parametrised as a warning or error)
Reset: behaviour upon reset, see section 4.2.4
Info:
ć = no info; x = additional info, see FCT or section 4.3.3