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© Elsys AG 

Page 3 

 

 

 

Rear Side Base Unit 

Mains plug 

:  Input 95 .. 230 VAC, fused with two fuses 1AT 

 

Rear Side Channel Connectors  

Input 

Sensor

 

:  BNC-Connector named 

Sensor

. Input for the sensor signal. 

Output 

Preamp.

 

:  BNC-Connector named 

Preamp

 to monitor the signal at the 

preamplifier output. 

Output 

Diff.

 

:  BNC-Connector named 

Diff

  to monitor the signals after the 

differentiator circuit. 

Output 

Pulse

 

:  BNC-Connector named 

Pulse

. Output of TTL-signal after the 

zero crossing detector circuit. 

 
 
 
 
 
 

Block diagram 

The graphic below shows the functional operation of one channel.

 

 

 
 
 
 

A m p .

I n v e r t .

D i f f .

T r i g g e r

S e n s o r

P u l s

P o l .

-

+

D i f f .

o n

o f f

P r e a m p .

D i f f .

A G C

Summary of Contents for EL-BU-14/TRIG_R

Page 1: ...escription The device EL TRIG_R is able to produce TTL Trigger Pulses out of analog signals from reluctance or capacitive and eddy current sensors Front View Rear View ELEKTRONISCHE SYSTEME Tel 41 56 496 01 55 Mellingerstrasse 12 Fax 41 56 496 01 61 CH 5443 Niederrohrdorf Email info elsys ch ...

Page 2: ...signal of the preamplifier Position left Trigger Pulse on negative slope Diff off and neg peak values Diff on Position right Trigger Pulse on pos slope Diff off and pos peak values Diff on Toggle switch Diff Switches named Diff Each one switches on or off the differentiator for one channel If the differentiator is on the signal is attenuated at the input by a factor of 50 Toggle switch dU dt Switc...

Page 3: ...to monitor the signal at the preamplifier output Output Diff BNC Connector named Diff to monitor the signals after the differentiator circuit Output Pulse BNC Connector named Pulse Output of TTL signal after the zero crossing detector circuit Block diagram The graphic below shows the functional operation of one channel A m p I n v e r t D i f f T r i g g e r S e n s o r P u l s P o l D i f f o n o...

Page 4: ...Signal Sinus symmetric to zero line Frequency 30Hz 30kHz Gain factor See table below Polarity May be neglected Differentiator Off Time constant from Differentiator May be neglected Gain Responsivity approx 1 100 mVpp 10 10 mVpp 100 1 mVpp Auto 2 mVpp Input sensitivity and trigger level with Differentiator switched ON for Capacitive and Eddy current Sensors Signal Sinus symmetric to zero line Gain ...

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