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NORD Drivesystems BU0590 User Manual

Page 31

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4 Communication

BU 0590 GB-0312

Subject to technical amendments

31

4.2.4.2

Writing the frequency inverter parameter P102 Index 1 (start-up time)

Data record 101 is used:

Field

Data size

Byte

Date

Explanation

Order label

+

Parameter number

2 Byte

2

02 h

+

44E h

_________

244E h

Read parameter value (see Section 4.2.3)

+

Parameter number P102 (+1000) = 44E h

Parameter index

(Data record)

2 Bytes

3

4

01 h

00 h

Parameter sub-index (see Section 4.2.3.2)

Parameter value

4 Bytes

5

6

7

8

00 h

00 h

00 h

FA h

The time 2.5s (250 = FA h) is to be set

Table 27 Example telegram for reading parameter P102[-02]

S7 Code example:

CALL "WRREC" , DB53

WriteRequest

REQ :=#bStart

ID :=DW#16#7FC

Diagnosis address

INDEX

:=101

Data record 101

LEN :=8

Length: 8 Bytes

DONE :=#bEnde

BUSY :=#bBusy

ERROR :=#bError

STATUS:=#wStatus

RECORD:=P#DB10.DBX0.0 BYTE 8

Data: 24h, 4Eh, 01h, 00h, 00h, 00h, 00h, FAh

CALL "RDREC" , DB52

ReadResponse

REQ :=#bStart

ID :=DW#16#7FC

Reference

INDEX

:=101

Data record 101

MLEN :=8

VALID := …

BUSY := …

ERROR := …

STATUS:= …

LEN := …

RECORD:=P#DB10.DBX12.0 BYTE 8

Response: 14h, 4Eh, 01h, 00h, 00h, 00h, 00h, 00h