16-97 Alarm Word 3
Range:
Function:
0
*
[0 - 4294967295 ] Displays the alarm word sent via the
serial communication port in hex code.
16-98 Warning Word 3
Range:
Function:
0
*
[0 - 4294967295 ] Displays the alarm word sent via the
serial communication port in hex code.
3.17 Parameters: 17-** Feedback
More parameters to configure the feedback from the
encoder (VLT
®
Encoder Input MCB 102), resolver (VLT
®
Resolver Input MCB 103), or the frequency converter itself.
17-00 Encoders Connected
Option:
Function:
This parameter is only available with VLT
®
Encoder Option MCB 102 version 4.00 and
newer. Select this option if one or two
encoders are connected to MCB 102.
[0]
*
One
Encoder
Only one encoder connected, can be any of
the supported encoder types.
[1]
Two
Encoders
Two encoders connected, must be one
incremental (TTL or SinCos) and one absolute
(SSI or Endat) without incremental channel.
3.17.1 17-1* Inc. Enc. Interface
Parameters in this group configure the incremental
interface of the VLT
®
Encoder Input MCB 102. Both the
incremental and absolute interfaces are active at the same
time.
NOTICE
Do not use incremental encoders with PM motors. In a
closed-loop control, consider absolute encoders or
resolvers.
NOTICE
These parameters cannot be adjusted while the motor is
running.
17-10 Signal Type
Option:
Function:
[0]
None
[1]
*
RS422 (5V TTL)
[2]
Sinusoidal 1Vpp
17-11 Resolution (PPR)
Range:
Function:
1024
*
[10 - 16384 ]
3.17.2 17-2* Abs. Enc. Interface
Parameters in this group configure the absolute interface
of the VLT
®
Encoder Input MCB 102. Both the incremental
and absolute interfaces are active at the same time.
17-20 Protocol Selection
Option:
Function:
NOTICE
This parameter cannot be adjusted while
the motor is running.
[0]
*
None
Select
[0] None
if the feedback sensor is an
incremental encoder only.
[1]
HIPERFACE Select
[1] HIPERFACE
if the encoder is absolute
only.
[2]
EnDat
[4]
SSI
[8]
Z Pulse
Select zero pulse as “absolute” track when
using incremental encoder with zero pulse.
17-21 Resolution (Positions/Rev)
Range:
Function:
Size
related
*
[ 4 -
1073741824 ]
Select the resolution of the absolute
encoder, that is the number of
counts per revolution.
The value depends on setting in
parameter 17-20 Protocol Selection
.
17-22 Multiturn Revolutions
Range:
Function:
1
*
[1 - 16777216 ] Select the number of multi-turn revolutions.
Select value 1 for single-turn type encoders.
17-24 SSI Data Length
Range:
Function:
13
*
[1 - 32 ] Set the number of bits for the SSI telegram.
Select 13 bits for single-turn encoders and 25 bits
for multi-turn encoders.
17-25 Clock Rate
Range:
Function:
260 kHz
*
[100 - 260
kHz]
Set the SSI clock rate. With long
encoder cables, the clock rate must be
reduced.
17-26 SSI Data Format
Option:
Function:
[0]
*
Gray code
[1]
Binary code
Set the data format of the SSI data.
Parameter Descriptions
Programming Guide
MG33MP02
Danfoss A/S © 10/2018 All rights reserved.
217
3
3
Summary of Contents for VLT AutomationDrive FC 302
Page 2: ......