Danfoss MCO 351 Operating Instructions Manual page 34

Positioning controller vlt automationdrive fc 301/302
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Commissioning
32-31 Incremental Resolution
Range:
1024
[1 to
*
1073741823]
5
5
NOTICE
The parameters for the incremental resolution (32-01 or
32-31) are always used, even if the CAN encoder is an
absolute encoder. However, a quarter of the encoder
resolution must be set for a CAN absolute encoder.
The maximum frequency of the encoder signal must not
exceed 410 kHz.
This parameter is only visible when parameter 32-30 is
not set to [0] None.
32-32 Absolute Protocol
Specifies the type of absolute encoder connected to Encoder 1
interface (X56/X62).
Option:
[0]
None
*
[4]
SSI
[5]
SSI with filter An absolute encoder with SSI interface is
32-33 Absolute Resolution
Range:
8192
[1 to 1073741823] This parameter is only visible when
*
32
Operating Instructions
Function:
Set the resolution of the incremental
encoder connected to Encoder 1 interface
(X56). The encoder resolution can be
found on the encoder nameplate or
datasheet.
Digital incremental encoder
(parameter 32-30 = [1]): The
resolution must be set in pulses
per revolution.
CAN encoder (parameter 32-30 =
[3]):
-
Incremental encoder:
Pulses per revolution
-
Absolute encoder:
Pulses per revolution/4
Function:
No absolute encoder is connected.
An absolute encoder with SSI interface is
connected.
connected and the communication/signal is
unstable.
Function:
parameter 32-32 Absolute Protocol is
not set to [0] None.
Danfoss A/S © 04/2014 All rights reserved.
32-34 Absolute Encoder Baudrate X56
Select the baud rate of the attached encoder.
Option:
[0]
600
[1]
1200
[2]
2400
[3]
4800
[4]
9600
*
[5]
19200
[6]
38400
32-35 Absolute Encoder Data Length
Range:
Function:
25
[8-37 Bit] Specifies the number of data bits for the
*
connected absolute encoder, see encoder
datasheet. This is required for the MCO to
generate the correct number of clock bits.
NOTICE
The parameter is only visible when parameter 32-32
Absolute Protocol is not set to [0] None.
32-36 Absolute Encoder Clock Frequency
Range:
Function:
262.000
[78.125–
Specifies the frequency of the
*
2000.000 kHz]
absolute encoder clock signal
generated by the MCO. Set a
frequency appropriate for the
connected encoder.
NOTICE
The parameter is only visible when parameter 32-32
Absolute Protocol is not set to [0] None.
32-37 Absolute Encoder Clock Generation
Select whether the MCO should generate an absolute encoder
clock signal or not.
Option:
Function:
[0]
Off Select this option if more MCOs are connected to the
same absolute encoder and another MCO generates
the clock signal. Only 1 device is allowed to generate
the clock signal and only 1 device (encoder or MCO) is
allowed to generate the data signal when multiple
MCOs are interconnected.
[1]
On Select this option if the MCO is the only clock
*
generator for the connected absolute encoder.
NOTICE
This parameter is only visible when parameter 32-32
Absolute Protocol is not set to [0] None.
Function:
Baud
Baud
Baud
Baud
Baud
Baud
Baud
MG33R302

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