Shenzhen Rion Technology Co., Ltd. |
Verified Suppliers
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CANopen Analog 4~20mA Relay Switch Type Rotation Accelerometer
Vibration Monitoring Sensor
▶ MAIN FEATURES
★ Compact design
★ Analog and CANopen interfaces
★ Temperature range –40 ... +85 °C
★ 3DB bandwidth 25 Hz
★ Compensates for temperature drift and installation errors
★ IP67 protection level
▶ APPLICATION
★ Anti-sway control of gantry cranes
★ Side sway monitoring of operating platforms
★ Rotation detection of mining bucket excavators
★ Nacelle torsion monitoring of wind turbines
★ Vibration monitoring of large machines and equipment
▶ INTRODUCTION
RAM900 Accelerometer is an acceleration sensor independently
developed by Rion Technology to detect vibration and shock. It
provides accurate acceleration for the control system through
CANopen or analog interface. The selected capacitive MEMS sensor
has the highest operating accuracy, especially at small amplitudes,
where measurement errors due to cross-axis sensitivity are
negligible. Therefore, the RAM900 is ideal for the precise
acquisition of vibration, such as vibrations on wind turbine
towers. Even if the accelerometer is mounted on a solid
load-bearing machine part, measurement distortions caused by
vibrations can still be excluded. The RAM900 uses a 4th-order
low-pass filter to effectively suppress spurious frequencies, such
as those caused by yaw brakes in wind turbines. Not only
effectively compensates for offsets caused by installation errors
or temperature drift, but also significantly improves accuracy.
(Configurable: safety relay outputs can be integrated in any safety
system and are activated when specified default limits are
exceeded). Four factory-configured frequency bands with different
filters can be fine-tuned according to the requirements of specific
equipment types. For wind turbines, the RAM900 accelerometer is
ideal for implementing the safety function "excessive shock and
tower vibration protection". Long-term monitoring can prevent
damage or even destruction of equipment. For the aggressive
environment of category C5M, the shell design made of glass fiber
reinforced plastic is the most ideal, and can ensure the long-term
and safe operation of offshore engineering equipment. In terms of
product reliability and stability, various measures such as
industrial-grade MCU and three-proof PCB board are also used to
improve the reliability of the product.
▶ SPECIFICATIONS
RAM900 | Condition | Parameter | Unit |
Range | CANopen | ±2 | g |
Current | 1 | g | |
Axis | CANopen | X, Y, Z, |X,Y,Z| | Axis |
Current | |X|, |Y| | Axis | |
Bias calibration | <3 | mg | |
Resolution | CANopen | 1 | mg |
Current | 1 | mg | |
Power-on repeatability | 5 | mg | |
Analog Sensitivity (±10%) | 16 | mA/g | |
Bias temperature coefficient | 0.01 | %/℃ | |
Non-linearity | <0.5 | %FS(max) | |
Long-term stability | <30 | mg | |
Full tempe.e range working accuracy | -40~80℃ | 30 | mg |
Power-on start time | <2 | s | |
Response time | 0.002 | s | |
Response frequency | 12.5Hz | ||
3DB bandwidth | 25Hz | ||
Output signal | CANopen, Analog(current 4~20mA),Switch (relay switch) | ||
Supply voltage | Input 9~36VDC | ||
Supply current | <50mA @12VDC | ||
Relay switching threshold | No | ||
CANopen(Baudrate) | Factory default(500Kbps) | ||
CANopen(Node ID) | Factory default(0x04) | ||
Weight | ≤250g(not include cable) |
Note: CAN bus terminal resistance can be added on request, or
remark can be added to PCBA.
▶ OUTPUT CONFIGURATION
Output | CANopen 1 | CANopen 2 | CANopen 3 | CANopen 4 | Analog1 current | Analog2 current |
Axial | X | Y | Z | |X, Y,Z| | |X| | |Y| |
Range | ±2g | ±2g | ±2g | ±2g | ±1g | ±1g |
Resolution | 1.00mg | 1.00mg | 1.00mg | 1.00mg | 1.00mg | 1.00mg |
Filter type | Lowpass | Lowpass | Lowpass | Lowpass | Lowpass | Lowpass |
3DB bandwidth | 25Hz | 25Hz | 25Hz | 25Hz | 25Hz | 25Hz |
Relay ID | 0 | 0 | - | 0 | - | - |
Relay Action Threshold | - | - | - | - | - | - |
Relay trigger time | - | - | - | - | - | - |
Relay decay value | - | - | - | - | - | - |
Relay decay time | - | - | - | - | - | - |