Siemens Panel PC 870 Manuale Utente
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General Information
Release 11/02
5–2
SIMATIC Panel PC 670/870 Start-Up Instructions
FM approval
Note
Not all unit configurations have an FM approval.
If the unit has been awarded the FM approval, the following symbol appears on the
rating plate:
If the unit has been awarded the FM approval, the following symbol appears on the
rating plate:
Complying with Factory Mutual Approval Standard Class Number 3611 Hazardous
(classified) Locations Class I, Division 2, Group A, B, C, D and Class I, Zone 2,
Group II C.
(classified) Locations Class I, Division 2, Group A, B, C, D and Class I, Zone 2,
Group II C.
Warning
Personal injury and equipment damage can occur.
Personal injury and equipment damage can occur in hazardous areas if a plug
connection is disconnected from the operating unit while the system is running.
In hazardous areas, always switch off the power supply to the operating unit before
disconnecting plugs.
Personal injury and equipment damage can occur in hazardous areas if a plug
connection is disconnected from the operating unit while the system is running.
In hazardous areas, always switch off the power supply to the operating unit before
disconnecting plugs.
WARNING:
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
UNLESS LOCATION IS KNOWN TO BE NONHAZARDOUS.
UNLESS LOCATION IS KNOWN TO BE NONHAZARDOUS.