RL-C21

Vibration control and data acquisition system

A powerful multi-purpose vibration control and data acquisition system for vibration testing, data analysis, and sensor calibration with a modular scalable architecture.

The device has an LCD screen and a set of digital inputs and outputs allowing for autonomous operation.
The main features of the system are:

Flexible channel configuration. Fully determined by the user and tailor-made for your needs.
Scalability. The system can be easily scaled up to 8 devices in one network, allowing you to get up to 32 input and 8 output channels.
High level of shaker protection. All calculations and safety checks are run by a DSP directly in the controller.
MEMS & MIMO capabilities. The system can simultaneously control up to 8 shakers in up to three axis and 6 degrees of freedom.
Break protection. Galvanic isolation in the input chains allows effectively protecting input chains from breaks.
Calibration options. Calibrate transducers, shakers, and microphones — all in one box.

RL-C21 is used with a specialized vibration test software package T estUp & SignalUp

Software

Specifications

Input

Input channels

1÷32
Input type / Sensor type

IEPE, TEDS, charge, displacement, velocity, force sensors
Filtration

Analog, digital high-pass and low-pass filters
Voltage range

±10 V
Dynamic range

≥ 120 dB
Noise level

< 20 µV
Channels crosstalk

≤ -100 dB

Output

Output channels

1 ÷ 8 control channels, Up to 8 COLA channels
DAC resolution

24 bits
Relative frequency error

≤ 5×10⁻⁵
Filtration

Analog filters, digital high-pass and low-pass filters
Dynamic range

120 dB

Other

Frequency range

0.1÷35000 Hz
Temperature range

+5 ÷ +50 °C
Dimensions

390×274×54 mm
Weight

2.3 kg
Power supply

110÷245 V

Electromagnetic Compatibility Directive 2014/30/EU

Low Voltage Directive 2014/35/EU

Frequently Asked Questions (FAQ)

TestUp does not see the device. There is a message saying that the device has not been found.

Check the connection of Ethernet cable to the device and PC. Check if the device is loading. The words “RL-C21” should appear on the screen, and if you hold the “Stop” button for more than 3 seconds, it will display the information about the IP-address, serial number and the subnet mask. For a detailed step-by-step guide, consult this Knowledge article.

If the device IP-address is 0.0.0.0, and there is a [D] symbol next to the IP-address, hold the "Stop" button for about 1 minute to reboot the controller and reset factory settings.

Another thing to check in case TestUp does not see the device is whether Windows Firewall is enabled and whether there is an antivirus installed. They should be disabled.

Can I save channel and shaker configurations?

The settings are saved to separate databases, and, having specified them once, you are able to use them for all subsequent tests.

See more FAQ

Can antivirus software interfere with the testing procedure?

We do not recommend using antivirus programmes on your PC when working with RL-C21. As the PC communicates with the devices through the network, the antivirus software may sometimes block the data transfer. In case the antivirus software is installed and cannot be deleted, we recommend adding TestUp and the folder, to which it is installed, to the list of antivirus exceptions, or disable the protection while using the controller.

There is high noise level on the shaker, caused by the product, which is operating on it outside the testing zone. How do I not take it into consideration during control?

If it is a Sine test, you should set the control algorithm to “Synchronous detector” for the control channel. In case of Random test, select the “In the task spectrum” parameter in the drop-down menu “RMS is calculated in…” of the “Control” tab.

RL-C21 and RL-C25. Sine test profile.

RL-C21 and RL-C25. Random test profile.

RL-C21 and RL-C25. Shock test profile.

RL-C21 and RL-C25. Mixed test profile.

RL-C21 and RL-C25. Channels settings.

RL-C21 and RL-C25. Shaker settings.

RL-C21. Graph Settings

SignalUp

SignalUp v12 (x86)
SignalUp v11 (x86)
See all versions

TestUp

TestUp - Release 56 (x86)
TestUp - Release 56 (x64)
See all versions

Sensor Calibration

TestUp - Release 0.56 (x64)
TestUp - Release 0.56 (x86)
See all versions

Vibration control and data acquisition system

Software

SignalUp

TestUp

Sensor Calibration