EUCHNER AS-i 3.0 Command Interface - Manual (Page 75)

AS-i 3.0 Command Interface Command Interface Examples
Subject to reasonable modifications due to technical advances Id.-No.: 102875 Issue date - 3.12.2007 EUCHNER GmbH + Co. KG
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5 Command Interface Examples
5.1 Reading 16-bit input values
Command RD_7X_IN: Reading of 16-bit input values.
Meaning of the bytes:
The call of the command interaface has not been answered with the valid values
since the toggle bit has not been set.
Set of toggle bit:
PROFIBUS:
PROFIBUS DP V0: cyclic data exchange
Used ID/module in the GSD file: 12-byte management
Request: RD_7X_IN
Byte 1 50
hex
(RD_7X_IN)
Byte 2 00
hex
(master 1, single master)
Byte 3 1D
hex
(slave address 29)
Byte 4 00
hex
… …
Byte 12 00
hex
Response
Byte 1 00
hex
(or old values)
Byte 2 00
hex
(or old values)
Byte 3 00
hex
(or old values)
Byte 4 00
hex
(or old values)
… …
Byte 12 00
hex
(or old values)
Request
Byte 1 50
hex
Byte 2 80
hex
(toggle bit, result)
Byte 3 1D
hex
(slave address 29)
Byte 4 00
hex
… …
Byte 12 00
hex