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Interconnections
32
Heidenhain 309778-xx cable. Maximum length
of the encoder cable (including a pigtail cable,
if applicable) is 15 meters (50’). For Cables
longer than 15 meters
(50’) the sense wires
should be connected and JP1 and/or JP2 on
the EnDAT board should be set to the 2-3
position.
NOTE: In cases where a pigtail cable is being
used, Magnetek recommends paralleling the
power and the power sense connections. For
connection diagram, see Figure 22.
Continuity of wires and shields should be
maintained from the encoder through to the
controller avoiding the use of terminals in a
junction box. The shield and shield drain wires
must be insulated from other objects. This
helps to minimize radiated & induced noise
problems and magnetically induced ground
loops.
HPV 900 S2 PM EnDat Encoder
Specifications
The HPV 900 S2 PM requires the use of an
encoder coupled to the motor shaft. The
absolute encoder option board supports
sine/cosine encoders (also called servo
encoders) with the 13-bit single turn EnDat 2.1
or 2.2 data interface with incremental signals
(EnDat01). The following Heidenhain
encoders can be used: ECN113, ECN1313,
ECN413, and ROC 413. For high pole count
gearless motors use encoders with high
incremental line count (2048).
IMPORTANT
Motor phasing should match the encoder
feedback phasing for both absolute and
incremental feedback. The proper phasing
can be easily established through open loop
rotor alignment procedure. Refer to the open
loop alignment section for more details.
Swapping only incremental leads may be
insufficient to establish proper phasing.
The encoder pulses per revolution must be
entered in the ENCODER PULSES (A1)
parameter from the encoder nameplate.
Encoder signal connections with Heidenhain
309778-xx cable are shown below.
A-
A+
B-
B+
/DT
DT
CK
/CK
TB2
A-_Sine
A_Sine
B-_Sine
B_Sine
DATA-
DATA
CLK-
CLK
to
He
ide
nh
a
in
E
n
Dat
E
nc
o
de
r
FE
IG
a-
a+
b-
b+
TB1
Shield
Common
/A
A
/B
B
46S04327-1100
Cable Shield Clamp at Drive Chassis
IG
IP
S-
S+
FE
FE
Common
+5V
Sense-
Sense+
Shield
Shield
Figure 21: EnDat Encoder Option Card Part
Number 46S04327-1100
65
66
67
68
69
70
72
4
71
TB2
A-_Sine
A_Sine
B-_Sine
B_Sine
DATA-
DATA
CLK-
CLK
to
He
ide
nh
a
in
E
n
Dat
E
nc
o
de
r
59
60
61
1
62
63
64
TB1
Shield
Common
/A
A
/B
B
46S04327-1030
Cable Shield Clamp at Drive Chassis
73
74
75
76
78
4
77
Common
+5V
Sense-
Sense+
Shield
Shield
Figure 22: Previous EnDat Encoder Option
Card Versions
NOTE:
Refer to Encoder Set-up on page ix for
details on wire color schemes on different
EnDat encoder cables
The customer connections are 8 times the
encoder nameplate (i.e. 16384 for a 2048
encoder). The HPV 900 S2 PM EnDat
automatically accounts for the multiplication of
8 and the encoder nameplate data is required
in A1.
Содержание HPV 900 Series 2
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