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2.5 Color and contact assignments for the incremental encoder (HTL)
Function
24V supply
0V supply
Track A
Track A inverse (A /)
Track B
Track B inverse (B /)
Track 0
Track 0 inverse
Cable shield
1)
Wire colors depend on the type of encoder and may differ. Please note the encoder data sheet!
Note the current consumption of the encoder (normally up to 150 mA) and the permissible load on the
voltage source.
Only digital inputs DIN 2 and DIN 3 are in a position to process the signals of an HTL encoder. To use
an encoder, activate parameters (P300) and/or (P600) according to requirements (speed
feedback/servo mode or positioning).
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Information
Digital inputs DIN2 and DIN3 are used for 2 different functions:
1. for digital functions that can be parameterized (e.g. "enable left"),
2. for evaluation of an incremental encoder.
Both functions are coupled by an OR link.
Evaluation of an incremental encoder is always activated. This means that when an incremental encoder is
connected, make sure that the digital functions are switched off (parameter (P420 [-02] and [-03]) or with DIP
switch (chapter 4.3.2.2)).
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Information
The "counting direction" of the incremental encoder must correspond to the direction of rotation of the motor. If the
two directions are not identical, the connections of the encoder tracks (track A and track B) must be switched.
Alternatively, the resolution (line number) of the encoder can be set with a negative prefix in the P301 parameter.
Information
Wires that are not required (e.g. track A inverse/B inverse) must be insulated.
Otherwise, if these wires come into contact with each other or the cable shield, short circuits can occur that can
cause encoder signal problems or destruction of the encoder.
Pos : 173 /Anleitungen/El ektr onik /FU und Starter/2. M ontage und Installation/Elek trischer Ans chl uss/Dr ehg eber/F arb- und Kontak tbeleg ung für Inkr emental drehgeber (HT L)_Ergänzung [SK 2xx E] @ 11\m od_1458311618705_14638.docx @ 314438 @ @ 1
If the rotary encoder has a zero track, connect this to digital input 1 of the device. The zero track is
read out by the variable frequency drive if parameter P420 [-01] has been set to function 43.
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BU 0200 en-US-4920
Wire colors,
for incremental encoder
brown/green
white/green
brown
green
gray
pink
red
black
Large-area connection to variable frequency drive housing.
DIN 2 and DIN 3 double allocation
Rotation direction
Encoder signal faults
2 Mounting and installation
Assignment for SK 2xxE
1)
43 (/44)
40
22
--
23
--
21
--
24V (VO)
0V (GND)
DIN2
DIN3
DIN1
75
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