Festo Контроллер позиционирования CPX-CMAX User Manual
Page 150
5. Diagnostics and error handling
5−28
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
Malfunction group 8 ć Displacement encoder error
CPX error group 108 (CPX−MMI: [Encoder error] )
Continued
No.
Message
Cause/description
Error handling
Type
1)
84
Reference position of disĆ
placement encoder was
lost
Although the controller
has set the Referenced"
status, the displacement
encoder/sensor interface
signalled Not referĆ
enced".
·
Reference again.
Error level: F2
Reset: N
85
Operating voltage of
measuring system /
sensor interface is out of
specified tolerance range
(undervoltage)
The operating voltage of
the displacement encoder
is too low.
·
Check the power
supply.
·
Check the cables on
the axis string.
Error level: F2
Reset: F
87
Defective measuring sysĆ
tem cable or measuring
system in the electrical
end−position (potentioĆ
meter only)
Defective displacement
encoder cable.
·
Check the power
supply.
·
Check the cables on
the axis string.
·
It might be necessary
to switch it off and on
again.
·
Exchange the sensor
or sensor interface,
if necessary.
Error level: F2
Reset: N
Displacement encoder in
the electrical end position
(potentiometer only)
·
Move the displaceĆ
ment encoder (potenĆ
tiometer) away from
the end position.
1)
For the error level and reset type, see section 5.2.3.