Baumer CombiPress PFMH Manual de usuario descargar pdf (Pagina 10)

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Operators instructions

CombiPress™, type PFMx

ATEX Gas nA

For ATEX nA zone 2 is approved without using zener barrier to separate the hazardous and safe area and must be installed in

accordance with prevailing guidelines for zone 0.

ATEX data:

Approval: Gas Zone 2 II 3 G, Ex nA II T5

Voltage drop U

Disp

4,5 or 6,5 VDC

Temperature class T1…T5 -30 < T

amb

<65°C

Internal inductivity L

<10 µH

Internal capacity Ci <15 nF

Maximum voltage U

max

<35 VDC

Maximum current I

max

<0,1 A

1 +

2 -

4…20 mA

Display without relay output Display with relay output

4…20 mA

1 +

2 -

Relay 1

Relay 2

Programming the CombiPress™ w./w.o. DFON in ATEX area

Programming the CombiPress

™

and the CombiView

™

, in hazardous area with the FlexProgrammer is not allowed, as the FlexPro-

grammer (and/or the PC) is not ATEX approved for use in hazardous area.

Follow below procedure to programme the instrument:

a Disconnect mains from the 4…20 mA loop circuit

b Disconnect the instrument from the circuit within the hazardous area

c Uninstall the instrument and bring it to safe area

d Connect the FlexProgrammer and perform the configuration session.

e Re-install the instrument in the hazardous area

f Connect the instrument to the circuit

g Connect mains from the 4…20 mA loop circuit

Operators instructions: 11120948 PFMx Page 10 / 12

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