ProSoft Technology ProSoft i-View - Manual (Page 20)

Data Source Files ProSoft i-View ♦ Mobile Process Monitoring and Control Application
User Manual Version 2.0.2
Page 20 of 106 ProSoft Technology, Inc.
September 29, 2011
3.1.3 Variable Addresses (Column C)
A variable address represents a memory location or a register in a PLC to which a
variable refers. Addresses are specified in different ways depending on which
communications protocol they belong to. Therefore, each protocol has its own set of valid
addresses. Addresses belonging to different protocols cannot be mixed in a particular
source file. Use a separate source file for each PLC and communication protocol. The
relevant communication protocol for a source file is uniquely determined by the kind of
variable addresses included in it.
The particular protocol to use can be specified by means of a comment on the
first line as described in Specification of Communication Protocol. This comment
may look something like this:
# %protocol eip/native
For protocols based on registers or memory locations, Variable Addresses are specified
by a prefix referring to the appropriate memory area followed by a numeric value
indicating the position in that area.Allen Bradley's Ethernet/IP for Logix Controllers is
based on symbolic names. Write PLC Tag symbolic names in Column C