Installation and operating conditions for hazardous areas:
NOTICE
Risk of explosion
Risk of explosion of dust-air mixtures or gas-air mixtures. Observe the following conditions
when installing and operating the device in a hazardous area in order to avoid a risk of
explosion and damage to the device:
• Making and breaking of circuits is permitted only in a de-energized state.
• The maximum surface temperature, corresponding to the marking, applies only for
operation without a cover of dust.
• The device may only be operated in such a way that adequate protection against UV light is
ensured.
• The device may not be operated in areas influenced by processes that generate high
electrostatic charges.
• The device must be set up and installed in such a way that it is mechanically protected.
• The grounding of the plug (8-pin) on the reader must be via its supply cable.
• The device may only be operated with accessories specified or supplied by the
manufacturer. All the points above also apply to the accessories (communication / power
supply cable and 8-pin connector).
• The device sockets incl. the metal parts of the connecting cable for the signal/supply line
must have a shrink-on sleeve pulled over them, in other words, all metal parts apart from the
securing sockets of the housing must be fully covered and be inaccessible.
• After removing the connections (signal/supply cable), the connectors must be checked for
contamination and, if necessary, cleaned before being inserted again.
Note
Read the document "A5E44647714"
Read the information in the document "Control Drawing A5E44647714" shipped with the reader
for installation of the reader RF350R - 2nd Generation in a hazardous area.
Readers
5.3 SIMATIC RF340R/RF350R
SIMATIC RF300
System Manual, 02/2021, C79000-G8976-C345-09
169
