Vega Conductive electrodes Bedienungsanleitung PDF herunterladen (Seite 23)

Conductive measuring system 23

d b z

L (+)

N (-)

Electrical connection

max.

min.

200...250VAC 3VA

Relais: max 250V,5A,750VA

power supply

max.

min.

200...250VAC 3VA

Relais: max 250V,5A,750VA

power supply

Power

supply

Relay output 1

Relay output 2

Transistor output 1

Transistor output 2

Meas. data input 2

(channel 2)

Electrode

e.g. type EL 3

Electrode

e.g. type EL 3

Electrode

e.g. type EL 1

Mass

Max

Min

Mass

Max

Min

Meas. data input 1

(channel 1)

Pump control

(Min-Max-control)

3 Electrical connection

3.1 VEGATOR 256C

Level detection

Note

Multiple rod electrodes which are connected

to several signal conditioning instruments or

a multiple channel instrument, require an

earth rod to avoid influencing among the

signal conditioning instruments.

Connect several VEGATOR 256 C absolutely

identical, i.e. the first supply line to all

terminals no. 7 and the second supply line to

all terminals no. 8. An interchanging of no. 7

and no. 8 or the connection of different

phases is not permitted.

3.2 VEGATOR 532 Ex

To avoid interferences by capacitive

couplings, use from a line length of 50 m an

own cable for each signal conditioning

instrument VEGATOR 532 Ex or for each

channel.

When you want to use a commen cable, note

that the lines of the max. and min. signal are

screened. Connect the screens to mass.

Double level detection

Power supply

Relay output

Power supply

Relay output

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 39 40

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