Reluctance Triggers

The device EL-TRIG_R is able to produce TTL-Trigger-Pulses out of analog signals from reluctance or capacitive and eddy-current sensors.

Rack System Reluctance Trigger up to 14 Channels.

• Gain factors 1, 10, 100 or automatic
• Trigger on negative or positive slopes
• Trigger on negative or positive peaks
• Bandwidth 30 to 30 kHz
• Max input voltage ±35 V

Level Trigger EL-LTM1

The device EL_BULT14 is able to produce TTL trigger pulses out of analog signals from optival (Laser), reluctance or capacitive and eddy-current sensors. Each of the 14 channels has a corresponding input (Probe In) and trigger pulse out (Pulse Out) BNC connector on the read side of the device.

The channel selectors can be used to route the amplified as well as the trigger pulse signal from one of the 14 channels to the front BNC connectors for monitoring purposes.

• Gain factors 1, 10, 100
• Trigger on negative or positive slopes
• Trigger level from (-9 to +9 V) / Gain
• Adjustable hysteresis
• Bandwidth DC to 400 kHz
• Max input voltage ±42 V

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Channel specifications:

Input sensitivity                     : See table below
Input impedance Diff on       : approx. 102kW || 10pF Input impedance
Diff off                                   : approx. 17kW Bandwidth   : 30 Hz to 30kHz
Max. input voltage                : ± 35V (short peaks up to 250V)
Pulse output                         : TTL (0.4.... 3.5 V), Pulse width 5ms, Impedance 100W
All other outputs                  : Impedance 560W

Specifications of the Base Unit:

Number of channels            : One per Plug-In Module (up to 14 in one chassis)
Supply voltage                     : 95 .. 230 VAC, fused with two fuses 1AT
Dim. of Rack Chassis            : 19”, 480 x 134 x 260 mm (W x H x D)
Weight                                 : Rack chassis with 14 channels: 5.3 kg one plug-In channel: approx. 0.23 kg

Input sensitivity and trigger level with Differentiator switched OFF (for Reluctance Sensors):

• 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

Input sensitivity and trigger level with Differentiator switched ON (for Capacitive and Eddy-current Sensors):

• Signal: Sinus, symmetric to zero line
• Gain factor: See table below
• Polarity: May be neglected

Differentiator: On

• Time constant of Differentiator: See table below