99
3. Click Save.
Configuring an OPC UA Logic
1. Import OPC UA library, Data types and OPC UA POU.
2. Establish connection with HonUaConnectSecurityNone.
3. Configure target function blocks:
l If you want to read or write variables, configure HonUaRead,
HonUaReadList, HonUaWrite and HonUaWriteList function
blocks.
l If you want to use a method, configure HonUaCallMethod
function block.
l If you want to obtain Nodelds, configure
HonUaTranslatePathList function block.
Communicating with Experion via OPC UA
Experion server to ControlEdge 900 Controller communication is
with the OPC UA protocol, so the OPC UA Server must be enabled on
the Ethernet port(s) connected to the same network as the Experion
Server.
Experion can read, write and monitor global variable, program local
variable and function block instance variable through the Identifier
defined by OPC UA protocol. The maximum length of the Identifier is
73 characters.
Global variable's Identifier is @GV. <Varname>.
Pr
o
gram
lo
ca
l
va
r
ia
ble'
s
I
dent
ifier
is
<Pro
gr
a
m
I
ns
ta
nce
Name>.<Varname>.
Fun
ction
blo
ck
in
st
an
ce
va
r
ia
ble'
s
I
dent
ifier
is
<Pro
gr
a
m
I
ns
t
an
c
e
Name>.<Function Block Instance>.<Varname>.
For more details about the Experion integration with ControlEdge
900 controller, see the Experion PKS ControlEdge PLC Integration
Reference.
Configuring an OPC UA server
A new project is created and a controller is added to the project in
ControlEdge Builder.
Chapter 6 - Communication
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