Lenze PROFIBUS E84AYCPM - Telegram Examples; Read Request: Querying the Heatsink Temperature

Lenze · E84AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 5.0 EN · 11/2012 · TD17 76
9 Parameter data transfer
9.3 PROFIdrive parameter data channel (DP-V1)
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9.3.5 Telegram examples
9.3.5.1 Read request: Querying the heatsink temperature
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
(mirrored)
Response identification Axis
(mirrored)
Number of indices
0xXX 0x01 0x00 0x01
Parameter has been read
Byte 5 Byte 6
Format Number of values
0x03 0x01
Integer16 1 value
Byte 7 Byte 8
Value
High byte Low byte
0x00 0x2B
Value read = 0x 00 2B = 43 x 1 (internal factor) = 43 [°C]