WAGO-I/O-SYSTEM 750
Use in Hazardous Environments
51
753-501 2DO 24V DC 0,5A
Manual
Version 1.2.0
8.2.5
Special Conditions for Safe Use
According to ANSI/ISA 12.12.01
A. “This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D
or non-hazardous locations only.”
B. “This equipment is to be fitted within tool-secured enclosures only.”
C. “WARNING Explosion hazard - substitution of components may impair
suitability for Class I, Div. 2.”
D. “WARNING – Do not disconnect equipment unless power has been
switched off or the area is known to be non-hazardous” has to be placed
near each operator accessible connector and fuse holder.
E. When a fuse is provided, the following information shall be provided: “A
switch suitable for the location where the equipment is installed shall be
provided to remove the power from the fuse.”
F. For devices with EtherCAT/Ethernet connectors “Only for use in LAN, not
for connection to telecommunication circuits.”
G. “WARNING - Use Module 750-642 only with antenna module 758-910.”
H. For Couplers/Controllers and Economy bus modules only: The instructions
shall contain the following: “The configuration interface Service connector
is for temporary connection only. Do not connect or disconnect unless the
area is known to be non-hazardous. Connection or disconnection in an
explosive atmosphere could result in an explosion.”
I.
Modules containing fuses only: “WARNING - Devices containing fuses
must not be fitted into circuits subject to over loads, e.g. motor circuits.”
J.
Modules containing SD card reader sockets only: “WARNING - Do not
connect or disconnect SD-Card while circuit is live unless the area is known
to be free of ignitable concentrations of flammable gases or vapors.”
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.
