Siemens PC 670 Wartungshandbuch PDF herunterladen (Seite 66)

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:

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.

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.

WARNING:

DO NOT DISCONNECT WHILE CIRCUIT IS LIVE

UNLESS LOCATION IS KNOWN TO BE NONHAZARDOUS.

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Siemens PC 670 Wartungshandbuch Seite 66