Lenze E94AYCPM Instrukcja Użytkownika Pobierz pdf (Strona 56)

9 Parameter data transfer

9.2 DRIVECOM parameter data channel (DP-V0)

Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17

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9.2.7.2 Write request: Setting the deceleration time for quick stop (QSP)

In the controller, the deceleration time for quick stop (QSP) is to be set to 50 ms.

• Code to be written: C00105

Byte 1: Service (request)

Request = 0t110010

bin

• Bit 0 ... 2 = 010

bin

for write request

• Bit 3 = 0 (reserved)

• Bit 4/5 = 11

bin

for 4-byte data length

• Bit 6 = handshake bit (t ≡ status is changed in the response telegram)

• Bit 7 = status bit (only relevant for the response telegram)

Byte 2: Subindex

Subindex = 0 because code C00105 does not contain any subindices.

Bytes 3+4: Index

Index = 24575 - code number = 24575 - 105 = 24470 = 0x5F96

• Byte 3 (high byte) = 0x5F

• Byte 4 (low byte) = 0x96

Bytes 5 ... 8: Data

The parameter value of 0.05 s to be set is multiplied by the code-specific factor of "1000" and

entered in the user data:

Data 1 ... 4 = 0.05 [s] x 1000 (internal factor) = 50 = 0x00000032

Result:

Request telegram from master to drive:

Response telegram from drive to master (for correct execution):

Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

Service Subindex Index

High byte

Index

Low byte

Data 4 Data 3 Data 2 Data 1

0x72 0x00 0x5F 0x96 0x00 0x00 0x00 0x32

0t110010

bin

00000000

bin

01011111

bin

10010110

bin

00000000

bin

00000000

bin

00000000

bin

00110010

bin

Waiting for change of handshake bit 6 in service byte 1 of the response

Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

Service Subindex Index

High byte

Index

Low byte

Data 4 Data 3 Data 2 Data 1

0x40 0x00 0x5F 0x96 0x00 0x00 0x00 0x32

0t000000

bin

00000000

bin

01011111

bin

10010110

bin

00000000

bin

00000000

bin

00000000

bin

00110010

bin

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 124 125

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