WUHU WANYI INDUSTRY CO.,LTD
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This product achieves the goal of balancing the return water temperature of circulating cooling water and saving energy for motors through intelligent start stop control of the fan group in industrial circulating cooling water towers.
1. Temperature detection input: two-wire 4-20mA current signal input
2. Signal transmission distance: better than 500 meters
3. Temperature measurement range: 0-50 ℃
4. Temperature measurement accuracy: ± 0.2 ℃
5. Temperature display resolution: 0.1 ℃
6. Temperature range: 0-50 ℃
7. Temperature upper and lower limit alarm range: 0-50 ℃
8. Range of execution cycle setting: 1 to 99 minutes (this value determines the minimum execution cycle for fan start stop)
9. Temperature tolerance setting range: ± 0.1-9.9 ℃ (this value determines the minimum allowable temperature control error)
10. Manual function: Under this function, the number of fans that can be turned on can be manually controlled. The start stop sequence and start stop delay are automatically executed by the control program.
11. Number of installed fans: When the actual number of fans put into use is less than 8, this function can be used to arbitrarily set the number of installed fans and their corresponding installation positions.
12. Locking function: Only after correctly unlocking according to the predetermined lock code can various functions be set and operated to reduce misoperation caused by non staff members.
13. Control switching function: This function is used to switch between manual operation and controller self-control operation.
14. Computer networking function: Through the RS-422 serial digital communication interface, multiple controllers can be connected to the upper management computer for real-time monitoring and modification of various control parameters, enabling unified computer management. The network capacity is generally not limited.