WAGO SYSTEM 750 - Special Conditions for Safe Use According to ANSI;ISA

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WAGO-I/O-SYSTEM 750 Use in Hazardous Environments 93

750-493 3-Phase Power Measurement Module

Manual

Version 1.2.0

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11.2.5 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.”

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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.