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The confocalDT 2421 and 2422 controllers set a new standard in the industry when it comes to high precision, confocal measurement technology.

Available as either a single- or a dual-channel version, these measurement systems enable a low cost solution especially for high volume applications. The active exposure regulation feature in the CCD array enables accurate, fast surface compensation on difficult changing surfaces.
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confocalDT 2421 and 2422 Controllers for Distance or Thickness Measurement

24 Volt (V) Direct Current Supply Voltage confocalDT 2421 Controller for Distance or Thickness Measurement

confocalDT 2421 and 2422 Controllers for Distance or Thickness Measurement

24 Volt (V) Direct Current Supply Voltage confocalDT 2421 Controller for Distance or Thickness Measurement

confocalDT 2421 and 2422 Controllers for Distance or Thickness Measurement

24 Volt (V) Direct Current Supply Voltage confocalDT 2422 Controller for Distance or Thickness Measurement

confocalDT 2421 and 2422 Controllers for Distance or Thickness Measurement

24 Volt (V) Direct Current Supply Voltage confocalDT 2422 Controller for Distance or Thickness Measurement
Description N/A The confocalDT 2421 and 2422 controllers set a new standard in the industry when it comes to high precision, confocal measurement technology.

Available as either a single- or a dual-channel version, these measurement systems enable a low cost solution especially for high volume applications. The active exposure regulation feature in the CCD array enables accurate, fast surface compensation on difficult changing surfaces.
Multi Peak Measurement N/A 2 Peaks N/A 6 Peaks N/A 2 Peaks N/A 6 Peaks
Measurement Channels N/A 1 N/A 1 N/A 2 N/A 2
Light Source N/A Internal White Light-Emitting Diode (LED)
Measuring Rate1 N/A 100 Hz to 6.5 kHz
Ethernet/EtherCAT Resolution N/A 1 nm
RS422 Resolution N/A 18 bits
Analog Resolution N/A 16 bits
Storage2 N/A Up to 20
Controller Input/Output (I/O) N/A Analog: Current, Voltage (16 bit D/A Converter) Encoder (2x A, A, B, Index) Error1-Out, Error2-Out EtherCAT/Ethernet RS422 Sync-In/Trigger-In, Sync-Out
Type N/A EtherCAT
Operating Elements N/A Multifunction button (As well as Dark Alignment and Reset to Factory Setting after 10 sec)
Controller Display N/A 5x LED for intensity, range, status, supply voltage
Direct Current (DC) Supply Voltage N/A 24 V
Direct Current (DC) Supply Voltage Tolerance (±) N/A 15 %
Approximate Power Consumption N/A 10 W
Housing N/A Aluminum case for DIN rail mounting
Protection Class N/A Ingress Protection (IP40)
Operating Temperature N/A 5 to 50 ºC
Storage Temperature N/A -20 to 70 ºC
Permissible Ambient Light N/A 30,000 lux
Safety N/A CE
Electromagnetic Compatibility (EMC) Interference Emission N/A EN 61 000-6-3/DIN EN 61326-1 (class B)
Interference Resistance N/A EN 61 000-6-2/DIN EN 61326-1
Shock Amplitude N/A 15 g.
Shock Duration N/A 6 ms
Vibration Amplitude N/A 2 g.
Vibration Frequency Range N/A 10 to 500 Hz
Length of Optical Fiber/Sensor Cable N/A 2 to 50 m
Connector N/A E2000
EtherCAT Cable N/A CAT5E
Ethernet Cable Length N/A < 100 m
Maximum Supply Cable Length (RS422, Sync./Error) N/A < 30 m
Maximum Analog Cable Length N/A < 30 m
Maximum Encoder Cable Length N/A < 3 m
Note for Maximum Cable Lengths N/A All cables are Shielded
Interfaces N/A Analogue EtherCAT Ethernet RS422
Overall Height N/A 123.8 mm
Overall Length N/A 218 mm N/A 218 mm N/A 239 mm N/A 239 mm
Features N/A Fast surface compensation
Configuration via web interface
Submicrometer resolution
Multilayer thickness measurement
Synchronous two-sided thickness measurement
Robust design with passive cooling
Additional Information N/A The controller can be operated with any IFS sensor and is available as a standard version for distance measurements or as a multi-peak version for multilayer thickness measurements. Using a special calculation function, the confocalDT 2422 dual-channel version evaluates both channels.Measurement acquisition is synchronous and can be carried out while exploiting the full measuring rate for both channels.

Due to a user-friendly web interface, the entire configuration process is carried out without using any additional software. Data output is via Ethernet, EtherCAT, RS422 or analogue output.

The new, confocal industry standard

All settings are performed in the web interface. Materials are stored in an expandable materials database.

Two sensors can be directly connected to the confocal controller.
  • 1 Continuously Adjustable
  • 2 Calibration tables for different sensors per channel, menu selection