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technical article
Troubleshooting on magnetic flap level transmitter
2011-11-17 8:21:03

1. 变送器的零位和量程不能调至相应值 Appearance of fault phenomenon : 1. The zero and range of the transmitter cannot be adjusted to the corresponding values

传输距离远; 所选的变送器规格与翻板液位计不符; 供电(+24V)偏低; 变送器电路异常。 Possible reasons: ① The transmission distance is long; ② The selected transmitter's specifications do not match the flap level gauge; ③ The power supply (+ 24V) is too low; ④ The transmitter circuit is abnormal.

送制造厂检修; 使供电符合规定; 更换相应的变送器翻板液位计 选购适合的电缆或者缩短其传输的距离。 Methods for troubleshooting: Send to the manufacturer for maintenance; Make the power supply comply with the regulations; Replace the corresponding transmitter flap level gauge ; Purchase a suitable cable or shorten its transmission distance.

2. 翻板液位计指示正常,但变送器无信号输出 The fault phenomenon appears: 2. The level indicator of the flap is normal, but the transmitter has no signal output.

安全栅非本安端因某种原因混入高压,使其内部熔断器熔断,而损坏; 变压器和安全栅之间的电缆线脱开; 供电(+24V)丢失。 Possible reasons: ① The non- intrinsically safe end of the safety barrier is mixed with high voltage for some reason, causing its internal fuse to blow out and damaged; the cable between the transformer and the safety barrier is disconnected; power supply (+ 24V) is lost.

查安全栅本安端的电缆线盒变送器内的接线端脚; 更换安全栅; 查供电(+24V)。 Troubleshooting method: Check the terminal pins in the cable box transmitter of the intrinsically safe side of the safety barrier; Replace the safety barrier; Check the power supply (+ 24V).

3.在液位变化, 翻板液位变送器输出信号不随之变化,而且翻板液位计的翻板也不工作 The fault phenomenon that appears: 3. When the liquid level changes, the output signal of the flip liquid level transmitter does not change accordingly, and the flip of the flip liquid level gauge does not work.

翻板液位计用的相应阀门未打开; 翻板液位计的浮子磁钢,因长久使用没有磁性。 Possible reasons: The corresponding valve for the flap level gauge is not open; The float magnet of the flap level gauge is non-magnetic due to long-term use.

需要更换翻板液位计的浮子组件; 打开相应阀门。 Troubleshooting methods: The float assembly of the flap level gauge needs to be replaced; Open the corresponding valve.

4.变送器有输出信号,并且误差较大 The fault phenomenon that appears: 4. The transmitter has an output signal, and the error is large

传输距离太远; 使用环境与使用说明书中的要求不符; 变送器的零位和量程没有校验好。 Possible reasons: ① The transmission distance is too long; ② The use environment does not meet the requirements in the instruction manual; The zero and range of the transmitter are not calibrated well.

调整变送器的零位和量程; 选购适合的电缆或者缩短传输的距离; 采取适当的补救措施。 Troubleshooting methods: adjust the zero position and range of the transmitter; purchase a suitable cable or shorten the transmission distance; take appropriate remedial measures.

用户必须遵守 中华人民共和国爆炸危险场所电气安全规程 》进行操作。 Friendly reminder : Users must follow the " Electrical Safety Regulations of the People's Republic of China for Explosion Hazardous Areas " for operation. 内部电气元件 The user must not replace the internal electrical components of the magnetic flap liquid level transmitter at will .