Siemens 7MF8.23 Series - Technical Support

SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
30 A5E03434759-01, 08/2011
Certificates and approvals
HART PROFIBUS PA or Foundation Fieldbus
Permissible ambient temperature -40 ... +85 °C (-40 ... +185 °F) (for mineral glass windows only -20 ... +85 °C (-
4 ... +185 °F)) temperature class T4
-40 ... +70 °C (-40 ... +158 °F) (for mineral glass windows only -20 ... +70 °C (-
4 ... +158 °F)) temperature class T5
-40 ... +60 °C (-40 ... +140 °F) (for mineral glass windows only -20 ... +60 °C (-
4 ... +140 °F)) temperature class T6
To certificated intrinsically safe circuits
with maximum values:
To certified intrinsically safe circuits with
the following maximum values:
Connection
Ui = 30 V, Ii = 100 mA, Pi = 750 mW Ui = 24 V, Ii = 380 mA, Pi = 5.32 mW
Effective inner capacitance Ci = 6 nF Ci = 5 nF
Effective inner inductance Li = 0.4 μH Li = 10 μH
● Ex nA/nL/ic protection (Zone 2)
PTB 05 ATEX 2048
Designation II 2/3 G Ex ic IIB/IIC T4/T5/T6
II 2/3 G Ex nA T4/T5/T6
II 2/3 G Ex nL IIB/IIC T4/T5/T6
Permissible ambient temperature -40 ... +85 °C (-40 ... +185 °F) (for mineral glass windows only -20 ... +85 °C (-
4 ... +185 °F)) temperature class T4
-40 ... +70 °C (-40 ... +158 °F) (for mineral glass windows only -20 ... +70 °C (-
4 ... +158 °F)) temperature class T5
-40 ... +60 °C (-40 ... +140 °F) (for mineral glass windows only -20 ... +60 °C (-
4 ... +140 °F)) temperature class T6
Ex nA connection To certified intrinsically safe circuits with
the following maximum values:
Um = 45 V
To certified intrinsically safe circuits with
the following maximum values:
Um = 32 V
Ex ic/nL connection To certified intrinsically safe circuits with
the following maximum values:
Ui = 45 V
To certified intrinsically safe circuits with
the following maximum values:
Ui = 32 V
Effective inner capacitance Ci = 6 nF Ci = 5 nF
Effective inner inductance Li = 0.4 mH Li = 20 μH
Appendix A
Certificate
The certificates can be found on the enclosed CD and on the Internet under:
Certificates (http://www.siemens.com/processinstrumentation/certificates
)
Technical support
Technical Support
You can contact Technical Support for all IA and DT products:
● Via the Internet using the Support Request:
Support request (http://www.siemens.com/automation/support-request
)
● E-mail (mailto:support.automation@siemens.com
)
● Phone: +49 (0) 911 895 7 222
● Fax: +49 (0) 911 895 7 223
Further information about our technical support is available in the Internet at
Technical Support (http://www.siemens.com/automatio
n/csi/service)