DDM-2020 Diameter Controller Measurer and Monitor

Model No.DDM-2020
Product Diameter0.1 ~18mm
Accuracy± 3 µm
Exposure Time200 μS
Measuring Rate1800 measurements/sec/axis
InterfacesVotage output: -10V~+10V,  Max Load: 5mA
Power SupplyAC180V~260V  ± 10 %, 50/60 Hz, 40 VA (Max)
Dimensions100 x 100 x 432 mm
Packing size:615 x 330 x 280 mm
Weight15 KG
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Description

DDM-2020 Diameter Controller Measurer and Monitor

DDM-2020 Diameter Controller Measurer and Monitor, it is a 2nd generation of instrument for outer diameter measuring & control. Employing the measuring principle of high speed pulsed IR ray combined with high precision CCD sensor and aided by high speed digital image process technique, the gauge features high measurement accuracy, good stability, easy application and maintenance and long service life, high scan rate and excellent dynamic performance.

In the cable production process, the thickness of the insulation layer is jointly controlled by the speed of the tractor and the extruder.
Cable diameter controller DDM-2020 used in cable production line, the controller measures the diameter of the cable in real time, and outputs an analog signal to control the speed of the tractor and extruder, so, the thickness of the insulation layer will be controlled in a setting range.

The display and monitor DSP-4A is for the DDM-20xx diameter monitor.

A complete set of the controller includes a DDM-2020 diameter measuring head, measuring head support and a separate DSP-3A Monitor.

DSP-3S/3D Diameter Remote Display is for DDM-2020, it offers a remote display, the measuring result will be shown on the display.

Technical Parameters (Specifications)

Model No.DDM-2020
Product Diameter0.1 ~18mm
Accuracy± 3 µm
Exposure Time200 μS
Measuring Rate1800 measurements/sec/axis
InterfacesVotage output: -10V~+10V,  Max Load: 5mA
Power SupplyAC180V~260V  ± 10 %, 50/60 Hz, 40 VA (Max)
Dimensions100 x 100 x 432 mm
Packing size:615 x 330 x 280 mm
Weight15 KG

Application and Features

DDM-2020 Diameter Controller Measurer and Monitor is used for online diameter measurement and control for electric wire and cable, optic fiber cable, tubes and wires. compared with the previous generation products, the 2nd generation controller is characterized by All digital image process technique and dedicated ultra-large scale integrated circuit, which ensure high stability, compact size and low power consumption.

Hardware acceleration, which provides high measuring speed up to 1800 measurements/S and makes it possible to use the Gauge as a lump & neck detector.

Votage output from -10V to +10V can be used for controlling rotating speed or tension of the related driver.

Advanced feedback control system, which improves the control effect.

 

Mouthing position

DDM-2020 Diameter Controller Measurer and Monitor can be mounted front or behind of cooling trough.

When it is mounted front of cooling trough, an optimized controlling effect may be obtained through in-time feedback due to the proximity of the measuring head to the extruder. But at this time the plastic coating is not cured, so the set nominal value must be accordingly.

Front-Of-The-Cooling-Troug-Installation

Front-Of-The-Cooling-Troug-Installation

When it is mounted behind of cooling trough, the measured value is the real diameter of the wire or cable. But the controlling effect is not so good because of large control lag. Be sure to blow dry the tested wire or cable, otherwise the measuring precision will be affected by the water coating around the wire or cable.

Behind-Of-The-Cooling-Trough-Installation

Behind-Of-The-Cooling-Trough-Installation

In practical using, the nominal value shall be increased appropriately according to the water content of the test object.

Check out the link below for the Application solotion.

Laser Gauge Diameter Measurer Application in cable production line

Specifications of DSP-3S/3D

Model No.DSP-3SDSP-3D
Power Supply100 – 240 V AC ± 10 %, 50/60 Hz, 20 VA100 – 240 V AC ± 10 %, 50/60 Hz, 20 VA
power consumptionMax 50 VAMax 50 VA
Display Mode7 Segments LED digital7 Segments LED digital
Display range0~99.999 mm0~99.999 mm
InterfacesRS-485RS-485
Transfer DistanceMax 1000mMax 1000m
Dimensions585 x 205 x 125 mm585 x 205 x 125 mm
Weight5 KG5 KG

DSP-4A Monitor Specifications

Power supply:100 ~ 240VAC, 50~60Hz
Power consumption:< 5W
Operating temperature:0~45 ℃
Atmospheric humidity:≤ 90% (free of condense water)
Display format:5-digit LED digital display
Comm interfaceRS-485
Max commun distance:1000 m
Control input:– 10V ~ +0V, input impedance 50 kΩ
Control output:– 10V ~ +10V, max 10 mA
Alarm output:Relay contact, max load 3A, 250VAC
Dimensions:48mm × 96mm × 112mm

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