52
5.10.4 XTPro HMI-Based Implementation
A representative implementation based upon a stand-alone HMI client is detailed in Figure 70. In this
scenario, the client application is developed by using tools provided by the HMI manufacturer, and is
hosted independently of the actual server device.
5.10.5 XTPro Supported Commands
For a summary of XTPro commands which are supported on the OPC-G1-ETH, refer to Table 4.
Table 4: Supported XTPro Commands
Command
Supported
Notes
noop
Yes
-
vzn
Yes
Supports XTPro specification version 1
id
Yes
-
read_data
Yes
“reference” is the inverter’s function code (e.g. “F07” for
acceleration time #1), while “data_value” is a 16-bit hexadecimal
value (e.g. “1F4” for a decimal value of 500)
write_data
Yes
load_file
Yes
The absolute file path must start with a forward slash ‘/’
store_file
Yes
reinit
Yes
Reinitializes only the configurable drivers and services (does not
perform a complete device soft reboot)
auth
Yes
Authorization is not required
cov
Yes
COV notification messages are sent every 200ms
Notes
•
Two simultaneous XTPro connections are available.
Server
Device
Content
is
loaded
onto
HMI
device
2
XML
socket
(port
2000)
<xreq>
<read_data>
<ref>Pr_2</ref>
</read_data>
</xreq>
HMI
content
executes
and
establishes
XML
socket
3
XML
socket
(port
2000)
<xresp>
<read_data>
<ref>Pr_2</ref>
<val>123</val>
:
</xresp>
6
Programmer
authors
HMI
(client)
content
1
Client
initiates
XTPro
requests
4
Server
responds
to
client’s
requests
5
XTPr
o
Se
rv
er
Figure 70: HMI-Based Implementation
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