Special Notes Regarding Ansi/Isa Ex - WAGO I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-484 2AI 4-20mA HART Ex i
10.2.2

Special Notes Regarding ANSI/ISA Ex

For ANSI/ISA Ex acc. to UL File E198726, the following additional requirements
apply:
• Use in Class I, Division 2, Group A, B, C, D or non-hazardous areas only
• ETHERNET connections are used exclusively for connecting to computer
networks (LANs) and may not be connected to telephone networks or
telecommunication cables
• WARNING – The radio receiver module 750-642 may only be used to
connect to external antenna 758-910!
• WARNING – Product components with fuses must not be fitted into circuits
subject to overloads!
These include, e.g., motor circuits.
• WARNING – When installing I/O module 750-538, "Control Drawing No.
750538" in the manual must be strictly observed!
Additional Information
Proof of certification is available on request.
Also take note of the information given on the operating and assembly
instructions.
The manual, containing these special conditions for safe use, must be readily
available to the user.
Use in Hazardous Environments 93
Manual
Version 1.4.0