ACU-RITE SENC 150 Manuel utilisateur
SENC 150
SENC 150
SENC 150
READING HEAD REPLACEMENT INSTRUCTIONS
SENC 150 Reading Head Replacement Instructions
3
Table of Contents /Warnings
Page
1Introduction / Supplied items ........................................ 4
2Preparing the removal ................................................... 5
3Removing the encoder ................................................. 6
4Removing the reading head .......................................... 7
5Cleaning the scale ......................................................... 7
6Inserting the reading head ............................................ 8
7Preparing the remounting ............................................. 9
8Remounting the encoder assembly ............................ 10
9Checking the mounting ............................................... 11
4
SENC 150 Reading Head Replacement Instructions1 Introduction / Supplied items
SENC 150
REFERENCEMANUAL
SENC 150
SENC 150
REFERENCEMANUAL
Before you begin:
Read the instructions completely before replacing the reading
head.
Please ensure that no further damage occurs while
removing the reading head.
Note: Mounting and commissioning is to be conducted
by a qualified specialist under compliance with local safety
regulations. Do not engage or disengage any connections
while under power. The system must be disconnected from
power.
ASENC 150 reading head
BReference manual
CDisposal notice
DHead replacement hardware kit
Contents
Contents key
B
A
C
D
SENC 150 Reading Head Replacement Instructions
5
2 Preparing the removal
Remove all cable ties or retaining clips.
Disconnect the reading head cable from the readout.
Slide brackets against
reading head snap into place. Insert brackets at 45°
and twist to lock in scale grove.
Preparing the removal Installing alignment brackets
Attach the alignment brackets (included in head replacement
hardwarekit)byinserting thetop earsinto thebottom grooves
in the scale case.
Numbers and letters on reading head casting and alignment
brackets correspond when assembled.
6
SENC 150 Reading Head Replacement Instructions
Center
support
1
1
M6 x 25 mm
(1/4”-20 x 3/4” BHCS)
M6 flat washer
Removing the reading head screws Removing the end hole or set screws
Removing the end cap(s)Removing the center support
M4 x 25 mm SHCS low head
(8-32 x 5/8” SHCS low head)
(8-32 x 3/4” SHCS low head)
11
Do not remove any mounting brackets unless it is completely
unavoidable.
Remove the two reading head mounting fasteners.
Remove the end hole mounting fasteners unless encoder is
spar mounted, then loosen the set screws and remove the
scale case from the spar.
The reading head can be removed from either end.The view
shown is for illustration only. Use caution not to lose the
spring clip during the end cap removal.
Remove the fastener from the center support if one is
present.
11
M6 x 25 mm
(1/4”-20 x 3/4” BHCS)
M6 flat washer
set screws
spring clip
3 Removing the encoder
SENC 150 Reading Head Replacement Instructions
7
Removing the reading head Cleaning the glass scale
Remove the alignment brackets.
Gently slide the reading head out of the end of the scale case.
Place the defective reading head in a safe location.
Saturate a clean cotton swab or lint-free cloth with alcohol.
Clean the glass scale by wiping the surface and edge.
Wipe until no residue is found on the swab or cloth.
Do not scratch the inside of the scale.
Lip seals may be removed for glass cleaning if desired.
Gently pull seals out through the end of the scale case.
Reinsertthelip sealsinto theend ofthe scalecase, andgently
pull them through the extrusion. Center the seals in the case.
Runaplasticpinbetweenthelipsealsto resetthemintoposition.
Slide brackets away from
reading head and cable.
Twist brackets 45° to remove.
4 Removing the reading head
5 Cleaning the scale
8
SENC 150 Reading Head Replacement Instructions
Insertion tool
Aligning of insertion tool and scale
Inserting the tool
Inserting the reading head
Remove tape keeping the reading head contained within the
insertion tool.
Note the orientation of the reading head to the insertion tool.
Theinsertiontool and thereading headhavetobe in alignment. Slide the reading head gently to the center of the scale
case and remove the insertion tool.
Push the tool into the end of the scale case until it is stopped
by the blade touching the glass.
Gently slide the reading head assembly onto the scale glass
from the tool. Do not force the reading head; it will glide
smoothly.
If resistance is felt, ensure that the tool is inserted correctly
into the end of the encoder case.
6 Inserting the reading head
insertion tool
glass scale
SENC 150 Reading Head Replacement Instructions
9
Installing end cap(s)
Slide brackets against
reading head snap into place. Insert brackets at 45°
and twist to lock in scale grove.
Installing alignment brackets
Attach the alignment brackets provided by inserting the top
ears into the bottom grooves in the scale case.
Numbers and letters on reading head casting and alignment
brackets correspond when assembled.
Determining cable direction
Determine cabel exit direction before mounting the encoder.
To change the cable exit direction, remove the cover plate
and rotate it 180°.
7 Preparing the remounting
K1 - cable exit right side
K2 - cable exit left side
T-10 torx screw
Do not pull out the PCB!
Do not clamp the wires!
T-10 torx screw
1
1
1
1
1
1
max. 70 Ncm!
spring clip
10
SENC 150 Reading Head Replacement Instructions
Remounting the encoder assembly
Remount the encoder as it was originally installed, using the
same brackets, fasteners and spar or support.
Refer to the encoder manual (ID: 516291-22) as from section 5.
Removing the alignment brackets
Slide the brackets away from the reading head.
Remove the alignment brackets and save for future use.
8 Remounting the encoder assembly
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4
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