PC Control / Profi Control 645-12M Instruction Manual pdf - Kuhnke
PC Control / Profi Control 645-12M Instruction Manual pdf - Kuhnke
PC Control / Profi Control 645-12M Instruction Manual pdf - Kuhnke
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4.9.2.7. Service 8: change user parameters of DP slave<br />
Use this service to overwrite the DP slave's user parameters.<br />
Parameter field<br />
Byte<br />
Parameter<br />
0<br />
B yte 1 Error#<br />
Input<br />
Descriptio n<br />
Service<br />
8 Specifies the service<br />
0 No error<br />
1 Parameter error<br />
7 Internal error<br />
B yte 2 Station#<br />
0...99<br />
Number of DP slave<br />
Byte<br />
3 Length<br />
1...237<br />
Length of user parameter field<br />
Byte<br />
4 U ser_Prm<br />
? Start of user parameter field<br />
User parameter field<br />
The field starts with byte 3 and ends after the length set in<br />
byte 3. For details of this and other entries please refer to<br />
the technical documentation of the relevant device.<br />
What else?<br />
The master does not automatically send the new user parameters<br />
to the DP slave. Proceed as follows to start parameter<br />
transfer:<br />
-- Deactivate the DP slave (service 7)<br />
-- Activate the DP slave (service 7)<br />
Refer to chapter "4.9.2.4. Service 7: activate/deactivate<br />
the DP slave"<br />
Further situations that cause the master to send the user<br />
parameters:<br />
-- After bus failure and subsequent restart<br />
-- After DP slave reset (switch off/on)<br />
-- After master reset (switch off/on)<br />
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