Pro-face Pro-face ST Series, User Manual

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4. WARNING: Explosion hazard - when in hazardous locations, turn the power OFF before replacing or wiring mod-
ules.
5. WARNING: Explosion hazard - Confirm that the power supply has been turned OFF before disconnecting equipment
or confirm that the location is not subject to the risk of explosion.
6. WARNING: Explosion hazard - DO NOT connect/disconnect equipment unless area is known to be non-hazardous
or the power has been switched off. TOOL port is for system set-up and diagnostics in a nonhazardous location area
only.
CE Marking Notes
The ST400-AG41-24V, ST401-AG41-24V, ST402-AG41-24Vand ST403-AG41-24V are CE marked products that con-
form to EMC directives EN55011 Class A and EN61000-6-2.
* For detailed CE marking information, please contact your local ST distributor.
Revision Information
Use the metallic label attached to the rear of the ST to identify your unit revision code. This code is at the bottom of the
label, to the right of EV Inthis example, the asterisk mark (*) is in the position, which means this unit revision code is
“D”.
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