WAGO-I/O-SYSTEM 750
Notes about this Documentation
5
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
1
Notes about this Documentation
Always retain this documentation!
This documentation is part of the product. Therefore, retain the documentation
during the entire service life of the product. Pass on the documentation to any
subsequent user. In addition, ensure that any supplement to this documentation
is included, if necessary.
1.1
Validity of this Documentation
This documentation is only applicable to the I/O module 750-439
(8DI NAMUR Ex i).
The I/O module 750-439 shall only be installed and operated according to the
instructions in this manual and in the manual for the used fieldbus coupler or
controller.
Consider power layout of the WAGO I/O SYSTEM 750!
In addition to these operating instructions, you will also need the manual for the
used fieldbus coupler or controller, which can be downloaded at
There, you can obtain important information including information on electrical
isolation, system power and supply specifications.
1.2
Revision History
Table 1: Revision History
Document
version
Device version
Description of change
Hardware Firmware
1.0.0
01
01
First issue
1.0.1
01
01
Editorial revision
1.1.0
01
01
Changes to approvals
1.2.0
02
02
Approvals updated (AEX)
1.3.0
03
03
New function: Channel-wise selection
option for the connection of positive or
negative switching sensors