Introduction to Fipio communication
(Original Document)
About us
At a Glance
The addressing of the main bit and word objects of remote modules on the Fipio bus is performed on a geographical basis. That means that it depends on:
Illustration
Addressing is defined in the following way:
Syntax
The table below describes the different elements that make up addressing.
Family
Element
Values
Meaning
Symbol
%
-
-
Object type
I
Q
-
-
Image of the physical input of the module.
Image of the physical output of the module.
This information is exchanged automatically for each cycle of the task to which they are attached.
M
-
Internal variable
This read or write information is exchanged at the request of the project.
K
-
Internal constant
This configuration information is available as read only.
Format (size)
X
-
Boolean
For Boolean objects the X can be omitted.
W
16 Bit
Single length.
D
32 Bit
Double length.
F
32 Bit
Floating point. The floating point format used is the IEEE Std 754-1985 standard (equivalent to IEC 559).
Module/channel address and connection point
b
2
Bus number.
e
1 to 127
Connection point number.
Rack No.
r
0
Virtual rack number:
Module No.
m
0 or 1
0: base module, 1: extension module.
Channel No.
c
0 to 999 or MOD
MOD: channel reserved for managing the module and parameters common to all the channels.
Channel data No.
d
0 to 999 or ERR
ERR: Used to read a module or channel fault.
Examples
The table below shows some examples of addressing objects.
Object
Meaning
%MW\2.1\0.0.5.2
Status word at rank 2 of the image bit of input 5 of the remote input base module situated at connection point 1 on the Fipio bus.
%I\2.1\0.0.7
Image bit of input 7 of remote input base module situated at connection point 1 on the Fipio bus.
%Q\2.1\0.1.2
Image bit of output 2 of the remote output extension module situated at connection point 1 on the Fipio bus.
%I\2.2\0.0.MOD.ERR
Fault information for Momentum module situated at connection point 2 on the Fipio bus.
%I\2.3\0.0.0.ERR
Fault information for channel 0 of Magelis module situated at connection point 3 on the Fipio bus.