80
english
7
System Functions (continued)
PD Description
This parameter is used to specify the structure of the
currently selected process data profile for input and output
data. The individual process data variables are described.
The total list is accessible via subindex 0, a single entry is
possible using a specific subindex. Subindex 1
corresponds to the
least significant
(or the element most
recently transferred in the process data stream). When
reading out the entire list, this element is transferred first.
The length of the list is dependent on which process data
profile is selected. A single element has a length of 3 bytes.
Byte number
Contents
Values
Byte 1
Data type
0: OctetStringT
1: Set of BoolT
2: UIntegerT
4: Float32T
5…255: reserved
Byte 2
TypeLength
0…255 bits
Byte 3
Bit offset
0…255 bits
Tab. 7-21: Process data info and configuration – PD Description
Byte
Data
Data type
Type Length
Bit offset
Description
AdSS
1…3
01 01 00
1: Set of BoolT
1
0
Switching Signal ADSS1
4…6
01 01 07
1: Set of BoolT
1
7
System Error
LSSC
1…3
01 04 00
1: Set of BoolT
4
0
Switching Signal LSSC1…4
4…6
01 01 07
1: Set of BoolT
1
7
System Error
7…9
03 10 08
3: IntegerT
16
8
Transducer Signal
CM
1…3
01 01 03
1: Set of BoolT
1
3
Device Temperature Status
4…6
01 05 07
1: Set of BoolT
5
7
System Error
Switching Signal LSSC1
Switching Signal LSSC2
Switching Signal LSSC3
Switching Signal LSSC4
7…9
03 10 10
3: IntegerT
16
16
Transducer Signal 0x26 (38)
10…12
03 10 30
2: UIntegerT
16
48
Internal Temperature 0x50
(80)
13…15
02 10 68
2: UIntegerT
4
104
Signal Counter 0x0006 (6)
16…18
02 10 78
2: UIntegerT
1
120
Signal Speed 0x0013 (19)
Tab. 7-22: Content of process data input descriptor
Last Valid Process Data
This parameter indicates the most recently valid input or
output data of the device. The first transferred byte in the
process data (MSB) is transferred first. This is an exact
representation. Access occurs via subindex 0.
BCS Q40BBAA-PIM20C-EP _ _ _ -GS04
Capacitive Proximity Switches
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