IC-KP-B17-AIDA1
Commands
2014-02
25
7 Commands
7.1 Data Exchange
The transferred data is composed of command, confirmation and response telegrams.
The control software (client) sends a command to the IDENTControl (server). The
IDENTControl then sends confirmation of receipt (not with MODBUS TCP/IP). The
IDENTControl sends the response after the command is executed.
The IDENTControl can send multiple responses for enhanced commands. However, only a
single confirmation is sent.
A command consists of the telegram length (TCP/IP und MODBUS TCP/IP only), the
command code, the channel associated with the read/write head (ident channel), a specified
number of parameters and the data relating to the command.
The confirmation consists of the telegram length (TCP/IP and MODBUS TCP/IP only), the echo
of the command code, the echo of the ident channel, the status FFh and the reply counter.
The response consists of the telegram length (TCP/IP and MODBUS TCP/IP only), the echo of
the command code, the ident channel, the status, the reply counter and the requested data.
Command
Control IDENT Control
* in case of an "enhanced" command
Confirmation
(Status FFh)
Response
(Execution Status)
Response *
(Execution Status)
Note!
Power Supply Reset
The IDENTControl communicates via one of the following protocols:
■
TCP/IP
■
MODBUS TCP
■
Ethernet/IP
■
PROFINET IO
The Java applet of the IDENTControl web function also uses the TCP/IP protocol. To change
the protocol that the IDENTControl uses to communicate, reset the power supply.
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