bihl+Wiedemann AS-i 2.1, Руководство пользователя

Страница: 65 / 102

AS-i/CANopen Gateway CANopen
Subject to reasonable modifications due to technical advances Copyright Bihl+Wiedemann, Printed in Germany
Bihl+Wiedemann GmbH · D-68199 Mannheim · Phone +49-621-339960 · Fax +49-621-3392239 · Internet http://www.bihl-wiedemann.de
is
sue da
te
27
.1
.2
0
0
3
63
AS-i master specification. The AS-i slave response is returned as a parameter
echo in the response data.
Meaning of bit B:
B = 0 Single AS-i slave or A-slave
B = 1 B-slave
10.1.2.7 Read Parameter (READ_PI)
This call returns the current parameter value (actual parameter) of an AS-i slave
sent by the AS-i/CANopen Gateway.
This value must not be confused with the parameter echo that is supplied by the
AS-i slave as a response to the write_parameter job.
Meaning of bit B:
B = 0 Single AS-i slave or A-slave
B = 1 B-slave
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 02
16
2 T – circuit
3 – B slave address
4 – parameter
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 02
16
2 T result
3 – slave response
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 03
16
2 T – circuit
3 – B slave address
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 03
16
2 T result
3 – PI