Rockwell Automation 1440-TB-A XM-940 Dynamic Measurement Terminal Base User Manual
Page 7
XM-940 Dynamic Measurement Terminal Base 7
Publication
GMSI10-IN020C-EN-P - October 2013
WARNING
•
This equipment shall be mounted in an ATEX-certified enclosure with a
minimum ingress protection rating of at least IP54 (as defined in
IEC 60529) and used in an environment of not more than Pollution Degree
2 (as defined in IEC 60664-1) when applied in Zone 2 environments. The
enclosure must have a tool-removable cover or door. The installation of
the product within an ATEX approved enclosure shall not raise the
surrounding ambient temperature above the limit specified for the
product.
•
This equipment shall be used within its specified ratings defined by
Rockwell Automation. The XM-940 is only approved for use with ATEX
approved measurement modules with relays up to 120V AC.
•
Provision shall be made to prevent the rated voltage from being exceeded
by transient disturbances of more than 140% of the rated voltage when
applied in Zone 2 environments.
•
Secure any external connections that mate to this equipment by using
screws, sliding latches, threaded connectors, or other means provided
with this product.
•
Do not disconnect equipment unless power has been removed or the area
is known to be nonhazardous.
WARNING
An electrical arc can occur if you do the following:
•
Insert or remove the module while backplane power is on
•
Connect or disconnect wiring while the field-side power is on
This can cause an explosion in hazardous location installations. Be sure that
power is removed or the area is
nonhazardous before proceeding.
ATTENTION
Do not remove or replace a terminal base unit while power is applied.
Interruption of the backplane can result in unintentional operation or
machine motion.
WARNING
Wiring to or from this device, which enters or leaves the system enclosure,
must utilize wiring methods suitable for Class I, Division 2 Hazardous
Locations, as appropriate for the installation in accordance with the product
drawings as indicated in the following table.