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Is there any document to solve a problem with READ_VAR EFB in Unity Pro 7.0 when using ETG100 Gateway?

Please check the attached technical note to communicate  through the gateway. 
See an example in attached help file for device behind gateway if its not a CPU native port then it can be addressed as below :-
R - rack
m -  module
C- ethernet channel number
Modbus device #14 behind Ethernet gateway whose address is 192.168.100.18 on NOE Ethernet link
ST language.  but for FBD its straight as detailed in document.
ADDM('0.3.0{192.168.100.18}41')
ADDM('Ethernet_1{192.168.100.18}41')

Example : syntax will be
'0.1.0{192.168.100.18}41'   - > example  Rack  = 0, module slot  = 1,  channel  = 0
Or may test with 'Ethernet_1{192.168.100.18}41'

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