Portable Service Set with Universal Control Unit for Servo and Proportional Valves with Integrated Electronics
ValveExpert Checker
If you have questions, please contact us at: (901)-369-5404
Function Description And Operating Instructions:
Features Of The Unit:
- The test device ValveExpert Checker 2.4 is used to control and carry out functional tests on servo and proportional valves with integral electronics and operating voltages of ±15V or +24V
- Simplifies commissioning and troubleshooting in hydraulic systems with servo and proportional valves
- All standard servo- and proportional valves with 6+PE connectors are supported (MOOG, Parker-Hannifin, Bosch-Rexroth, Vickers, and many others)
- Additional control for ON/OFF pilot valve
- Intuitively simple and comfortable interface
- Extremely bright OLED display and LED indicators for comfortable operating at any light conditions
- Supports external and internal operation modes
- Advanced set of control modes: -10V… +10V, -2V… +2V, 0V… +10V, -10mA… +10mA, -2mA… +2mA, 0mA… +10mA, 4mA… 20mA, 10mA… 14mA, -20mA… +20mA
- The device keeps the last settings after switching power off
- Supports current and voltage feedback signals
- Allows to monitor voltage of the power supply and enable signals
- Enable output includes the current limiter for safe operation
- Fast access to any item of the control menu
- The service case comprises a test device as well as an optional power supply unit (+24V, 3.75A) and connecting cables
- Reverse polarity, overload, and short circuit protections
- Compact and robust construction
- Completely sealed enclosure
- High reliable keyboard
- Robust waterproof case
Technical Data:
| Ingress protection rating: | P64 (test device) |
| Servovalve connector: | 6+PE pole, EN 175201 Part 804 |
| Pilot valve connector: | DIN EN 175301-803, form A |
| Operating voltage: | 18...36VDC (full functionality), 4.5...36VDC (measurement functions) |
| No load power consumption: | 3.4W (Max) |
| Max. load capacity (Pin-A and Pin-B): | 3A |
| Control signal modes (Pin-D and Pin-E): | -10V...+10V, -2V...+2V, 0V...+10V,-10mA...+10mA, -2mA...+2mA, 0mA...+10mA, +4mA...+20mA, +10mA...+14mA, -20mA...+20mA |
| Current limiter for voltage control modes: | 20mA...30mA |
| Current sensing resistors: | 10 Ω |
| Precision of the measurements: | Max error is the last digit of the display value |
| Enable input (Pin-C): | Disable: 0V...4V, Enable: 8V...30V, Disable: 0V |
| Enable output (Pin-C): | Enable: (A-B)V - 0.8V (with current limiter +10mA) |
| Feedback signal (Pin-F): | -30V...+30V, -30mA...+30mA |
| Pilot valve voltage: | (A-B)V |
| Max. load for pilot valve: | 1.6A (overload protected) |
| Microcontroller: | 32bit, 84MHz, AT91SAM3X8E |
| ADC converters: | 8-channels, 12bit, 200kHz |
| Display: | 3.2" OLED, Yellow, 256x64 Matrix |
| Dimensions (L x W x H): | 472mm x 366mm x 161mm (case), 185mm x 110mm x 70mm (unit) |
| Weight: | 4.900kg (device, power unit, and cables in case), 0.750kg (unit only), 5.300kg (ready for shipment) |
| CE tests: | EN 50 081-1, EN 50 082-2, EN 60 742 |
| Customs tariff number: | 90318038 |
| Power supply: | Input: 90...264VAC, Output: 24V, 3.75A (90W), See specs Mean Well GST90A24-P1M for details |
| Case: | Robust waterproof (IP67), See specs Nanuk 923 for details |
| Default supply includes: | ValveExpert Checker 2.4 unit (see Figure 1), Case Nanuk 923 with a customized foam, Power supply +24V (see Figure 6), Power cables (see Figure 7), Cable for proportional valves (see Figure 9), Cable for pilot valves (see Figure 11), User manual |