Summary of Contents for Aichi Tokei Denki VN Series
- Page 1 Small Size Electromagnetic Flowsensor Model VN Series Handling Manual Ver. 2 (2007.2.26)
- Page 2 6. Do not bring a strong magnet or magnetic field close to the VN Series Caution in application 1. 20 seconds after supplying power to the VN Series is its start-up time. Do not use outputs from and the display of the flowsensor during this period.
- Page 3 3. In case a flow-regulating valve, etc., that causes turbulence of flow is to be installed, its location must be at the downstream side of the flowsensor. 4. Do not install the VN Series in the piping system to which impact pressure, such as water hummer, is applied.
- Page 4 3. Use the VN Series within the rated voltage range. Do not use the product by applying excessive load that is over the allowable load. 1. Do not place the VN Series’ cable together with or near to power supply lines or power lines, etc.
- Page 5 V (Pull-up voltage) Is (Absorbing current of output) = ──────────── ≦ 20mA R (Pull-up resistance) Pull-up voltage shall be not more than 30V, and Is (Absorbing current of output) shall be not more than 20mA for the each. LED display ・...
- Page 6 2. Alarm information (Red) ・ Details of the alarm items Name of alarm Content Excitation error detection Electric current does not correctly flow through the excitation coil. Memory error detection Error of data at the memory is detected. Low power voltage detection Power voltage lower than 9.6V is detected.
- Page 7 ・ Error detection items and patterns of indications Error detection item Priority Patterns of indication Low power voltage detection No-LIGHTING of the both green and red Excitation error detection Continuous LIGHTING or Memory error detection No-water detection Repeating of 1 time of 0.3 second LIGHTING and 2 second of NO-LIGHT Excessive liquid noise Repeating of 3 times of 0.3 second LIGHTING...
- Page 8 URL of Aichi Tokei Denki Co., Ltd. http://www.aichitokei.co.jp NOTE: ・ The specifications are subject to change without notice. ・ VN series conforms with CE marking, except EN61000-4-5 (Surge) because the series is intended to utilize as the built-in flowsensor of a machine, etc. Ver 2. (2007.2.26)
Need help?
Do you have a question about the VN Series and is the answer not in the manual?
Questions and answers