2 installation – JUMO 60.8425 Contact dial thermometer with inductive contact Operating Manual Benutzerhandbuch

Seite 18

Advertising
background image

2 Installation

2.1

Regulations and notes

2.2

Electrical connection

Connections must be made in accordance with the connection diagram
(label).

Switching action
with n.o. (make)
contact

The difference in the current drawn between the activated and the inactivated
oscillator is used to operate a switching amplifier which, in turn, converts the
input signal into a logic output signal.

Nominal voltage

8 V DC (Ri

 1k)

Operating
voltage

5 — 25 V

Current drawn

3 mA (active area free)

1 mA (active area damped)

Secondary
switch devices

Intrinsic safety to II 2 G EEx ia IIC T6 is only assured in conjunction with the
transistor relay, type KFA6-SR2-Ex...W (II(1) G D [EEx ia] IIC) from

Pepperl & Fuchs, www.pepperlfuchs.de.

V

The electrical connection must only be carried out by properly qualified
personnel.

Control flag outside
sensor gap

Relay energized

Active area free
Oscillator activated

Current drawn

3 mA

Control flag inside
sensor gap

Relay de-energized

Active area damped
Oscillator off

Current drawn

1 mA

6

Advertising