Lenze E84DGFCRFNP - Frame Example: Read Request

9 Parameter data transfer
9.2 Reading parameters from the inverter
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Lenze · Inverter Drive 8400 motec (PROFINET® option) · DMS 5.0 EN · 02/2019 · TD23
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9.2.3 Frame example: Read request
The heatsink temperature of the inverter is to be read.
• Code to be read: C00061
• Heatsink temperature: 43 °C
Parameter request
Parameter response to a correctly executed read request
Byte 1 Byte 2 Byte 3 Byte 4
Request reference Request identification Axis Number of indices
0xXX 0x01 0x00 0x01
Request parameters for reading
Byte 5 Byte 6
Attribute Number of subindices
0x10 0x00
Value No subindex
Byte 7 Byte 8 Byte 9 Byte 10
Index Subindex
High byte Low byte High byte Low byte
0x5F 0xC2 0x00 0x00
Index = 24575 - code no. = 24575 - 61 = 24514 = 0x5F C2 No subindex
Byte 1 Byte 2 Byte 3 Byte 4
Request reference Response identification Axis Number of indices
0xXX 0x01 0x00 0x01
(mirrored) Parameter has been read (mirrored)
Byte 5 Byte 6
Format Number of values
0x43 0x01
Double word 1 value
Byte 7 Byte 8 Byte 9 Byte 10
Value
High word: high byte High word: low byte Low- word: high byte Low word: low byte
0x00 0x00 0x00 0x2B
Read value = 0x00 00 00 2B = 43 x 1 (internal factor) = 43 [°C]