Electronic control system
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2、Low-configuration electronic control system cannot realize accurate control, zero-speed braking, motor short-circuit protection, accurate distance inching and low overload protection precision.
3. Based on standard electronic control system, high-configuration electronic control system can realize controllable working class, effective collection of operating data, communication fault detection, system fault voice alarm, encoder breaking protection, crane work state visualization and internet+.
4. Based on high-configuration electronic control system, four-quadrant electronic control system can realize high-quality potential energy feedback.
1. Clarify use environment of crane (ambient temperature, altitude, relative humidity, voltage, grid frequency and others);
2. Determine circulation process and work level of crane;
3. Determine parameters of corresponding system (rated lifting load, rated lifting speed, total lifting height, full load acceleration time, full load reduction time, machine efficiency, motor parameter, motor overload condition and others);
4. Based on this, clarify other functions of electronic control system needing to be achieved;
5. Select electronic control system of various configurations.
Power range: 7.5KW to 1000KW
Work frequency: 0 to 30HZ
Single rope lifting weight: 2t to 80t
Range of speed regulation: 0 to 960r/min
Range of work current: 0 to 1800A
Basic function version: | frequency converter +PLC +remote control (handle) | |||||
Expanding function version | frequency converter +PLC+data recording+remote control (handle) | |||||
Low-configuration function version | frequency converter +remote control (handle) | |||||
Advanced function version | frequency converter +PLC+data recording+ remote control (handle)+ each sensor | |||||
four-quadrant function version | advanced function version+power source inverter | |||||
No: | Function | Low-configuration function version | Basic function version | Expanding function version | Advanced function version | Four-quadrant function version |
1 | Range of speed regulation is more than 1:300 | ✔ | ✔ | ✔ | ✔ | ✔ |
2 | Stable braking | ✘ | ✔ | ✔ | ✔ | ✔ |
3 | Verification for safe and special protection in case of power losing (without stalling) and not stalling in case of power losing and braking failing | ✔ | ✔ | ✔ | ✔ | ✔ |
4 | Accurate synchronization (multi-machine collaborative verification ) | ✘ | ✔ | ✔ | ✔ | ✔ |
5 | Accuracy of control | ✘ | ✔ | ✔ | ✔ | ✔ |
6 | Convenience of function expanding | ✘ | ✘ | ✔ | ✔ | ✔ |
7 | High performance test) | ✔ | ✔ | ✔ | ✔ | ✔ |
8 | Ultra-silence verification | ✔ | ✔ | ✔ | ✔ | ✔ |
9 | Verification of no oil pollution | ✔ | ✔ | ✔ | ✔ | ✔ |
10 | Convenience of installation and maintenance | ✔ | ✔ | ✔ | ✔ | ✔ |
11 | Accurate distance inching verification | ✘ | ✔ | ✔ | ✔ | ✔ |
12 | On-load start and not gliding verification | ✘ | ✔ | ✔ | ✔ | ✔ |
13 | Insulation performance verification | ✔ | ✔ | ✔ | ✔ | ✔ |
14 | Load characteristic curve verification | ✔ | ✔ | ✔ | ✔ | ✔ |
15 | Work level controllability verification | ✘ | ✘ | ✔ | ✔ | ✔ |
16 | Anti-misoperation verification for load and speed relationship | ✔ | ✔ | ✔ | ✔ | ✔ |
17 | Zero-speed braking verification | ✘ | ✔ | ✔ | ✔ | ✔ |
18 | Verification for load protection precision of being more than 99% | ✘ | ✔ | ✔ | ✔ | ✔ |
19 | Verification for effective collection of operation data | ✘ | ✘ | ✔ | ✔ | ✔ |
20 | Idle-running micro-power-consumption verification | ✔ | ✔ | ✔ | ✔ | ✔ |
21 | Motor and electric control overheating protection verification | ✘ | ✔ | ✔ | ✔ | ✔ |
22 | High-quality potential feedback verification | ✘ | ✘ | ✘ | ✘ | ✔ |
23 | Protection level verification | ✔ | ✔ | ✔ | ✔ | ✔ |
24 | Magnetic life verification | ✔ | ✔ | ✔ | ✔ | ✔ |
25 | Verification for coder encoder breaking protection and continuing to use | ✘ | ✘ | ✔ | ✔ | ✔ |
26 | Communication fault protection verification | ✘ | ✘ | ✔ | ✔ | ✔ |
27 | Self-learning verification with empty hook (self-learning without needing to remove motor) | ✔ | ✔ | ✔ | ✔ | ✔ |
28 | Verification for no obvious impact in case of start and stop | ✘ | ✔ | ✔ | ✔ | ✔ |
29 | Anti-sway function verification | ✘ | ✘ | ✘ | ✔ | ✔ |
30 | Crane work visualizing | ✘ | ✘ | ✔ | ✔ | ✔ |
31 | Flexible assembly | ✔ | ✔ | ✔ | ✔ | ✔ |
32 | Automatic locating system | ✘ | ✘ | ✘ | ✔ | ✔ |
33 | Fault diagnosis display | ✘ | ✘ | ✔ | ✔ | ✔ |
34 | Internet+ | ✘ | ✘ | ✔ | ✔ | ✔ |
35 | Start current has no strike | ✔ | ✔ | ✔ | ✔ | ✔ |
36 | One set of control system can synchronously control double motor | ✘ | ✔ | ✔ | ✔ | ✔ |
1. Data recorder: it can realize effective collection of data and real-time voice alarm of system fault
2. Four-quadrant converter: high-quality potential feedback can be achieved.
3. Each communication interface: internet+ can be realized.
4. Human machine interface : crane work state visualizing can be realized.
5. sensor : function of anti-sway can be achieved.
National service hotline: 0795-7776606
Emali:gongbujx666@163.com
Fax: 0795-7776268
Address: No. 223 of Yaodu North Avenue of Zhangshu city of Jiangxi province