Magnetrol 2xx Bedienerhandbuch PDF herunterladen (Seite 3)

WIRING

AUTION: power must be switched OFF before wiring the unit.

–+

–

LOOP

CURRENT

0 %

100 %

ositive supply to (+) terminal/HART connection

Negative supply to (-) terminal/HART connection

min 12 V DC – max 28,4 V DC (Exi) - 32 V DC (Exd)

Shield wire to green grounding screw (resistance to

ground must be < 1 Ω).

Use certiﬁed ﬂameproof cable

gland(s) and cable for Explosion

roof area.

Galvanic Barrier:

Intrinsically safe units: max 28,4 V DC @ 94 mA

Not needed for General Purpose / explosion proof

models.

ANALOG I/O

DIGITAL I/O

(only for units with HART)

Customer supplied

local current meter

Do not connect shield

Non Ex

IMPORTANT:

The shield wire should only be grounded at ONE side only. It is recommended to connect the shield to ground in the ﬁeld (at

the transmitter side - as shown above) but connecting in the control room is also allowed.

LOOP RESIST

ANCE

1200

1000

800

600

400

200

40 VDC

20.5 mA

24 VDC

620

Ω

1 2 3 4 5 6 7 8 ... 31 32

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