High Performance Digital Weight Indicator For Crane Overload Protection

Mini Crane Overload Protection Digital Weight Indicator For Crane Overload Protection

      Main Features:

• Suitable for Crane [Wheel Crane, Travelling Crane, Frame Crane, Bridge Crane and so on] Overload Protection. When the lifting weight exceeds the set values, the controller will output the signal of Sound-light Pre-alarm for Weight High Limit, Delay-stop for Weight Higher Limit and Emergency-stop for Weight Highest Limit to protect the crane.
• EMC design with high anti-jamming capability, suitable for industrial environment.
• 32-bit ARM CPU with 48MHz clock & higher arithmetic speed.
• 5 Red LED digital tubes for English character and digit display.
• Menu&Shortcut mode operation.
• 24-bit High-precision and high-speed ∑-△A/D conversion module with 1/1,000,000 internal resolution and sampling frequency 640Hz.
• Special anti-vibration digital filtering algorithm for ensuring the weighing stability and accuracy when there is strong vibration on the load receptor, and the rapid response capability when the weight signal changes.
• Optional weighing input signal mV, V and mA for connecting ‘【mV】Output Type Loadcell’, ‘【V】Voltage Output Type Weighing Transmitter’ and ‘【mA】Current Output Type Weighing Transmitter’.
• Auto Zero Initial Calibration after Power-on, Auto Zero Tracking, Zero Fine Adjustment, Zero Calibration and Load Calibration functions available.
• Optional Data Calibration function.
• Auto-locking, Key-locking, Key-unlocking, Digital Setting&Calibration and I/O Testing functions available.
• 2 Relay switches with normally open and normally closed contacts for outputting alarm signals.
• 1 Optional and definable analog signal output [AO: 0~20mA].
• Optional RS232 and RS485 communication ports for connecting Host IPC/PLC and LED Remote Display.
• With the multitasking mode, the processes of weighing, alarm output and signal transmission will not be interrupted by parameter setting and the other operations.

      Picture

     Keypad Operation

If there is not any keypad operation in one minute and it’s not in the processes of ‘F2 System Calibration’ & ‘F6 Factory Adjustment’, the controller will return to ‘Main Display Interface’ automatically.

           State Indication