Sav 20191109, Руководство по эксплуатации

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Technical Data subject to change without prior notice 33
EN
BAL 876.10 / .02
OPERATING INSTRUCTIONS
For Electronic Polarity Reversing Control Units
WORKHOLDING AND AUTOMATION
Symptome Possible cause Measures for locating the fault Solution Remarks
„Display“
Holding force
too less
Threshold machine release
/ Holding force coding does
not correspond
Check „minimum holding force“
for machine release according
instruction manual
Check „minimum holding force“
for machine release according
instruction manual
Please note
the safety
aspects for
machining
operation and
machine
Check selected holding force Increase holding force
Check holding force coding
at orange terminal of polarity
reversing unit
When required, change remote
control unit or machine software
when using NC-operation
When measu-
ring short
circuit, please
prevent tes-
ting peaks of
the measuring
device
„Display“
black blocks
Mains voltage variations
bigger than 5% / Phase
shifts in mains
When step-down transformer is
used, measure the secondary
voltage during first demagneti-
zing pulse
Use isolation transformer with
suitable rating.
Only to be
performed by
experienced
electrian!
Switch-off
mains supply!
Mains power factor compen-
sation unit defective. Check
Cos-Phi.
Software-reset by pressing Red
and Green push buttons. When
required, change compensators.
Is a frequency converter present
in mains?
Software-reset by pressing Red
and Green push buttons. When
required, set-up separate mains
supply.
Wrong mains voltage
Check mains voltage according
instruction manual
Software-reset by pressing Red
and Green push buttons. When
required, use correct main voltage.
Cable diameter to small
Software-reset by pressing Red
and Green push buttons. Use cable
with suitable diameter according
instruction manual.
„Display“
System
o.k. but no
reaction to
„Magnetize“
or
„Demagne-
tize“
Connector connection to
control unit defective
Check connector connection Repair connector connection
Connector connection to
machine control (with NC-
operation) defective
Check connector connection Repair connector connection
Push button or NC signal to
short (1-2 seconds) or not
avaiable
Check input signal Increase signal time with 1 second
BauteDefective componen-
tildefekt
Check if continuous signal is
aveilabler on signal lamps (red
or green).
Order spare part (transistor field)
from SAV or send unit to SAV for
repair with clear failure description
„Display“
Clamped level
XX but no
holding force
Supply voltage to magnetic
system not connected
correctly
Check connection according
electrical diagram
Check connection according electri-
cal diagram
Fuse to power unit is
defective
Check fuses inside housing of
polarity reversing unit
change defective fuses
Incorrect mains supply
voltage
Check voltage instruction on
magnetic chuck / type plate of
polarity reversing unit
Connect to correct voltage.
in case of slip ring unit: slip
rings contaminated
Visual check Clean