88
Function Description
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
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7.3.2.1
Addressing of I/O Modules
Addressing first references complex modules (modules that occupy several bytes)
in accordance with their physical order downstream of the fieldbus
coupler/controller; i.e., they occupy addresses starting from word 0.
Following these is the data for the remaining modules, compiled in bytes
(modules that occupy less than one byte). In this process, byte by byte is filled
with this data in the physical order. As soon a complete byte is occupied by the bit
oriented modules, the process begins automatically with the next byte.
Note
Hardware changes can result in changes of the process image!
I f the hardware configuration is changed and/or expanded; this may result in a
new process image structure. In this case, the process data addresses also change.
If adding modules, the process data of all previous modules has to be taken into
account.
Note
Observe process data quantity!
For the number of input and output bits or bytes of the individual IO modules
please refer to the corresponding description of the IO modules.
Table 26: Data with for I/O modules
Data width
≥
1 word (channel)
Data width = 1 bit (channel)
Analog input modules
Digital input modules
Analog output modules
Digital output modules
Input modules for thermocouples
Digital output modules with
diagnostics (2 bits/channel)
Input modules for resistor sensors
Supply modules with fuse
carrier/diagnostics
Pulse width output modules
Solid-state load relays
Interface modules
Relay output modules
Up/down counters
I/O modules for angle and distance
measurement
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