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Component
Description
<signature>
The signature specifies whether the value is an input or an output
value, and how many words or bytes the value contains. The signa‐
ture syntax is as follows:
<Direction><Number><Unit>
<Direction>:
•
i: For an input value for the master
•
o: For an output value from the master to the device
<Unit>:
•
b: Bytes
•
w: Word
Nomenclature:
•
A byte is an 8-bit value.
•
A word is a 16-bit value.
•
Consistency means that all values within a module are updated simultaneously.
•
An input value is transmitted cyclically from the device to the master (PLC).
•
An output value is transmitted cyclically from the master (PLC) to the device.
•
A configuration value is only transmitted once from the master to the device when
the PROFIBUS device is switched on.
Relative address specification:
•
<Offset in Byte>
•
<Offset in Byte>.<Bit position within the entry> or
•
<Offset in Byte>.<Start bit position ... End bit position within an entry>.
3.7.4.7
Module overview
Module
Contents
Description
Type
Size
Relative address
1
Distance
Input
2 words
0.0
Distance resolution
Parameter
1 byte
0.0
Free distance resolution [µm]
Parameter
4 bytes
1.0
2
Speed
Input
2 words
0.0
Speed resolution
Parameter
1 byte
0.0
Free speed resolution [µm]
Parameter
4 bytes
1.0
3
RSSI
Input
1 word
0.0
4
Distance, RSSI
Input
2 words, 1 word
0.0, 4.0
Distance resolution
Parameter
1 byte
0.0
Free distance resolution [µm]
Parameter
4 bytes
1.0
5
Status
Input
2 words
0.0
6
Number of echoes
Input
1 byte
0.0
7
I/O Counter
Input, Output
4 words, 1 byte
0.0, 0.0
PRODUCT DESCRIPTION
3
8024560/1A19/2021-06-30 | SICK
O P E R A T I N G I N S T R U C T I O N S | DT1000 PROFIBUS DP and DL1000 PROFIBUS DP
29
Subject to change without notice