Bronkhorst R Modules for Ex-proof applications Manual do Utilizador descarregar pdf (Página 8)

BRONKHORST HIGH-TECH B.V.

2 MODEL CONFIGURATION

E - 7 N N 0 - N N - N N - . . . . .

Module code (14TE)

20 R/C panel + transmitter supply unit for MFM (Ex-proof)

21 R/C panel + supply for MFM (Ex-proof) + control function for valve with XB-coil

22 R/C panel + supply for MFM (Ex-proof) + control function for valve with XC-coil

Code for external output/input signals:

N N - A A

Module output signal

Code

0 - 5 Vdc

0 - 10 Vdc

0 - 20 mA

4 - 20 mA

Other/Specify

2.1 Modules

An Ex-proof module is a combination of an R/C panel, a transmitter supply unit and if needed, an isolating

repeater to drive a XB coil. To comply with the intrinsic safe requirements, the system power supply is located

in a separate 14 TE wide location.

2.2 Intrinsic safe electronic units

2.2.1 Transmitter supply unit for flow sensors

Power supply for intrinsic safe flow sensor, providing galvanic isolation between input, output and power

supply.

The unit is a one channel power supply and signal converter. 4(15) - 20 mA input; 4(15) - 20 mA output.

Power supply for the transmitter supply unit is 18 .. 35 Vdc (24 Vdc nominal)/63 mA.

Manufacturer : R. Stahl Schaltgeräte GmbH

Type : ISPac 9160/**-1*-1*

Type of protection II 3 (1) G Ex nA nC [ia] IIC T4

Certificate no. : DMT 03 ATEX E 010 X

Uo = 27 V

Io = 88 mA

Po = 576 mW

Co ≤ 90 nF (IIC) / ≤ 705 nF (IIB)

Lo ≤ 2.3 mH (IIC) / ≤ 14 mH (IIB)

Ci negligible

Li negligible

Mechanical data

Dimensions : 17.6 x 108 x 114 mm

Mounting type : on top hat rail 35

Housing

Power supply

Modules

Ext. setpoint/module input signal

Code

0 - 5 Vdc

0 - 10 Vdc

0 - 20 mA

4 - 20 mA

1 - 5 Vdc

Other/Specify

page 8 9.17.034

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