18 CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | CI/FCB400/FCH400-EN REV. H
… 2 Use in potentially explosive atmospheres
… Electrical data
Zone 2, 21 and Division 2 – Model: FCx4xx-A2, FCx4xx-F2
Outputs on basic device Operating values (general) Type of protection – ‘nA’ / ‘NI’
U
N
I
N
U
N
I
N
Current / HART output 31 / U
CO
, active
Terminals 31 / U
CO
30 V 30 mA 30 V
30 mA
Current / HART output 31 / 32, passive
Terminals 31 / 32
30 V 30 mA 30 V
30 mA
Digital output 41 / 42, active*
Terminals 41 / 42 and V1 / V2*
30 V 30 mA 30 V
30 mA
Digital output 41 / 42, active**
Terminals 41 / 42 and U
CO
/ 32**
30 V 30 mA 30 V
30 mA
Digital output 41 / 42, passive
Terminals 41 / 42
30 V 25 mA 30 V
25 mA
Digital output 51 / 52, active*
Terminals 51 / 52 and V1 / V2*
30 V 30 mA 30 V
30 mA
Digital output 51 / 52, passive
Terminals 51 / 52
30 V 30 mA 30 V
30 mA
All outputs are electrically isolated from each other and from the power supply.
Digital outputs 41 / 42 and 51 / 52 are not electrically isolated from each other. Terminals 42 / 52 have the same potential.
* Only in conjunction with additional ‘24 V DC loop power supply (blue)’ plug-in card in slot OC1.
** Only in conjunction with current output U
CO
/ 32 in ‘Powermode’, see Current output Uco / 32 as loop power supply for digital output 41 / 42 or 51 / 52 on
page 49.
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