Leuze electronic DCR 40 Original Operating Instructions page 67

Tab. 9.7: Command packet for example 2
Section
Start of Frame
Packet Version
Packet Length
Destination Address
Source Address
Protocol Type
Flags
Payload Protocol
Acknowledgement Num-
ber
Transaction Number
Request ID
Payload
CRC16
Upon reception of the command, the device sends an acknowledgement.
Tab. 9.8: Device acknowledgement for example 2
Section
Start of Frame
Packet Version
Packet Length
Destination Address
Source Address
Protocol Type
Flags
Payload Protocol
Acknowledgement Num-
ber
CRC16
Leuze electronic
Bytes (or Range) Number of
Bytes
0x01 3
0x43
0x54
0x31 1
0x001D 2
0x01234567 4
0x40000000 4
0x01 1
0x00
0x02 1
0x0000 2
0x0001 2
0x8000 2
10
0x4501 2
Bytes (or Range) Number of
Bytes
0x01 3
0x43
0x54
0x31 1
0x000F 2
0x40000000 4
0x01234567 4
0x01 1
0x01
0x00 1
0x0001 2
0xFD38 2
DCR 40
Description
19 + 10 = 29 = 0x001D
Following the convention, we add 0x8000 to
the transaction number.
The bytes represent the ASCII command
SYC128PEN1.
Description
The device returns its unique address.
Command protocol
68