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Validity of the information on the device
Note
Markings and approvals
In the manual you can find the markings and approvals which are generally possible or planned
in the system.
The identification or approval that is printed on the device continues to be exclusively valid.
The currently valid markings and approvals are printed on the component.
Information on certificates can be found in the product information.
The product information is made available with the product or on the Internet by specifying the
article number: Service & Support
109748348).
12.1.2.1
Safety instructions for using the SIMATIC Compact Field Unit DIQ (CFU DIQ)
Explosion hazard
If the electric circuit is live, the following must be observed:
● Do not disconnect the device in a flammable or combustible atmosphere.
● Do not open the housing in a flammable or combustible atmosphere.
Area of application
● Type: 6ES7655-5PX31-1XX0
● Type: 6ES7655-5PX31-1AX0
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD
WARNING
WARNING
The device is only suitable for use in the following environments:
– Environments of Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, Group IIC
– Non-hazardous zone
The device is only suitable for use in the following environments:
– Environments of Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, Group IIC and
Zone 22 Dust Group IIIC
– Non-hazardous zone
12.1 General technical specifications
(http://support.automation.siemens.com/WW/view/
Technical specifications
153
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