IO-Link Master with AS-Interface Interface StandardLine 4 Ports IP 65 / IP 66 / IP 67
22
>
9.1.3
Using the command interface
51971
The AC6000 has a command interface. Via the interface and using acyclic commands, the user can
access parameters, process and diagnostic data as well as events of the IO-Link master. In addition,
the command interface offers simple maintenance functions.
Documentation of the command interface:
→
Command interface
(
→
Requirements for access to the command interface of the AC6000:
•
AC6000 is integrated in the AS-i network.
•
AS-i master is in the operating mode "Protected mode".
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Principle of the command processing
51973
The basic AS-i slave of the AC6000 has the CTT1 profile S-7.4. It supports the AS-i command
interface. The user can use the following AS-i commands to access the IO-Link master using acyclic
IO-Link commands:
•
Write Parameter String (S-7.4): Send IO-Link command request
•
Read Parameter String (S-7.4): Reading IO-Link command request
•
Read Diagnosis (S-7.4): Read status information about the command processing
The IO-Link command request is sent encapsulated in the data range of the AS-i command "Write
Parameter String (S-7.4)" to the basic AS-i slave of the AC6000.
The basic AS-i slave verifies the received data and indicates their validity in the status bit [CMD Req].
After that, the basic AS-i slave gives the IO-Link command request to the IO-Link master.
The IO-Link master executes the IO-Link command. After that, it provides the IO-Link command
response. The availability of the IO-Link command response is indicated in the status bit [CMD Resp].
[CMD Req] and [CMD Resp] are part of the status information of the basic AS-i slave (
→
Mapping:
Status information
(
→
)). The status information can be read using the AS-i command "Read
Diagnosis (S-7.4)" or via the cyclic input data of the basic AS-i slave.
The provided IO-Link command response will be read back using the AS-i command "Read Parameter
String (S-7.4)". The IO-Link command response is stored in the data range of the AS-i command.
Documentation of the acyclic AS-i commands:
→
User manual of the AS-i master
