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AMT58x-PB Profibus®
6.4.4 Byte
19Velocity measure unit
This byte is available only when Class 2(+VEL) is set (see also
Class 2 functionality
of measurement for speed value transmitted by the device.
00 = rpm (revolutions per minute);
01 = step/s (steps per second).
Default = 0 (min. = 0, max. = 1)
6.5 DDLM_Chk_Cfg
Configuration function allows the Master to send configuration data to
the Slave for any check operation. The main purpose of this function
is to set the number of bytes used for the Data_Exchange as viewed
from Master side.
Chk_Cfg message structure (1 byte):
bit 7
= Consistency (="1")
bit 6
= Word format ("0"=byte,"1"=word=4byte)
bit 5...4
= In/out data ("01"=Input, "10"=output)
bit 3...0
= Length code
Example
bit
7
6
1
1
Dat
1
1
a
1
1
Class 1 and Class 2:
D1hex = 4 byte input
E1hex = 4 byte output
6.6 DDLM_Data_Exchange
This is the normal operation status of the system. The Slave (for both
Class 1 and Class 2) can transmit the position value (and speed
value if Class 2+VEL is set) and receive the
Master.
Position value
when Class 1 and Class 2 are set (Encoder Master)
Byte
Bit
31-24
31
Data
2
28
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and
Exchange type
5
4
3
2
0
1
0
0
0
1
0
0
1
0
0
0
Class 2(+VEL):
D3hex = 8 byte input
E1hex = 4 byte output
1
2
23-16
24
23
16
to 2
2
to 2
2
items). It defines the unit
1
0
0
1
D1h
1
1
D3h
0
1
E1h
Preset value
3
4
15-8
7-0
15
8
7
0
to 2
2
to 2
from the
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