Magnetic Switch

DX 020*: Panel Tachometer and Frequency Counter

[PDF manual]

• Simple low-cost panel tachometer with dimensions 48 x 24 mm (1.89 x 0.945’’)

  and LED size of 8 mm (0.315’’)

• Power supply 10 – 30 VDC, Impulse input for max. 60 kHz

• Suitable for display of RPM, frequency, speed and cycle rate in a range

  from 0 to 999 999 engineering units

• Programmable full scale display at any  input frequency

• Easy to set up by two front keys and menu support

• Add-on frame for 50 x 25 mm panel cut-out (1.969 x 0.984’’)

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ZX 122, ZX123*: Preset Tachometer with Relay Outputs

[PDF manual]

• Multi-purpose tachometer with dimensions 48×48 mm (1.89 x 1.89’’)

  and operation modes as tachometer, counter or timer / stopwatch

• Two presets and two output relays

• ZX 122: 10 – 30 VDC power supply,

  ZX 123: 90 – 250 VAC and aux. output 24 VDC for encoder supply,

  otherwise both models are similar

• Max. input frequency 20 kHz respectively 10 kHz

• Bright LED display, 6 decades at 8 mm size (0.315’’)

• Programmable impulse scaling factor

• Easy to set up by four front keys and menu support

• Add-on frame for 50×50 mm panel cut-out (1.969 x 1.969’’)

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Tachometers, Speed and Rate Meters with Outputs and Interfaces

DX 342*:  Speed and Rate Meter (2 relays, serial RS232/485 interface)
DX 345*:  Speed and Rate Meter (display only)
DX 346*:  Speed and Rate Meter (analogue output)
DX 347*:  Speed and Rate Meter (2 presets / transistor outputs)
DX 348*:  Speed and Rate Meter (serial RS232 / RS485 interface)

PDF manuals:

[DX342]

[DX345]

[DX346]

[DX347]

[DX348]

• Universal multi-function units  with operation modes as tachometer, speed or rate meter and frequency counter.

• Suitable for display of RPM, speed, cycle rate, baking and processing time, with supplementary counter and timer / stopwatch functions.

• Counting frequency 25 kHz in speed mode and 100 kHz with  A/B quadrature count

• Dimensions 96 x 48 mm (3.780 x 1.890’’) and 6 decade LED display at 15 mm

  (0.590’’) size

• Universal inputs for sensors and encoders with PNP/ NPN or Namur characteristics (HTL level 10 – 30 V)

• Easy scaling and setup by means of 3  front keys and menu support

• Selectable linearization function with 16 interpolation points

• Aux. output 24 VDC / 150 mA for supply of sensors and encoders

• Power supply 115/230 VAC or 24 VDC (model DX342: 24 VDC only)

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Dual Frequency Counters with 2 Encoder Inputs for Measuring of RPM, Speed,
Baking and Processing Time, Speed Ratio, Differential Speed etc.

SD 340*: Speed Ratio Meter (RS232 interface)
SA 340*: Speed Ratio Meter (RS232 interface, analogue output)
SR 340  : Speed Ratio Meter (RS232 and RS485 interface)

[PDF manual]

• Measuring functions: tachometer, rate meter and frequency counter with two independent encoder inputs for use with incremental encoders, proximity switches, photocells

• Both impulse inputs with individual scaling, each adjustable to 1, 2 or 4 tracks  (A, /A, B, /B), suitable for frequencies from 0,01 Hz up to 1 MHz

• Programmable operating modes for rpm, speed, processing time (reciprocal speed), sum speed or differential speed, speed ratio and percentaged speed difference

• 4 preselections with fast-switching outputs and programmable

  maintain / latch / start-up delay functions

• Adjustable filtering functions, programmable linearization and more

• Power supply 24 VDC or 24 VAC, dimensions 96 x 48 mm (3.780 x 1.890’’)

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Dual Frequency Counters with Relay Outputs and optional Thumbwheel Switches

SD 640-644 : Speed Ratio Meter (RS232 interface)
SA 640-644 : Speed Ratio Meter (RS232 and analogue output)
SR 640-644 : Speed Ratio Meter (RS232 and RS485 interface)

[PDF manual]

• The frequency meters shown here provide exactly the same technical properties and functions as series SD/SA/SR 340 shown above

• Moreover, these models are  additionally equipped with 4 output relays

  (one dry changeover contact each)

• According to need, these models are also available with up to four front thumbwheel switch sets (preselection switches)

• Front dimensions 96 x 96 mm (3.78 x 3.78 ‘’)

• All available models and possible combinations are clearly described in the

  PDF operating instructions