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Operating Manual for Controller VIBTRONIC

SC(E)…-2

To prevent switching faults, use only gold-plated or hermetically sealed contacts.

Use only a potentiometer (limit value 1 kOhm) with linear characteristics for the

vibration-width adjuster. Shield the signal lines to guarantee electromagnetic com-

patibility if the lines exceed five metres in length!

4.2.4 External Control Input

The controllers may be operated with an external command value entry (external

control input). The following external command values can be used for setting the

working stroke:

0…10 V DC, resistor approx. 200 kOhm

4…20 mA DC, working resistance 250 Ohm

0…20 mA DC, working resistance 250 Ohm

If necessary, you can switch between external control inputs by means of a switch

or relay or between command value presettings by means of a vibration-width

adjuster (potentiometer).

To prevent switching faults, use only gold-plated or hermetically sealed contacts.

Figure 4.7 shows the various options and terminal assignments for presetting

external command values.

Figure 4.6 Coarse and fine fill rates circuit (terminals 5, 6 and 7, as well as 12 and 13)

567

Potentiometer (coarse rate)

1 kOhm (linear)

Potentiometer (fine rate)

1 kOhm (linear)

Relay K2 (rest position)

Relay K1 (rest position)

12 13

NOTE

AviteQ Vibtronic SC-2 Series User Manual

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