|Question:||The E7B bypass unit with the serial communications, option J or option L control comes set up for the start/stop |
as well as the speed reference to be controlled through serial communication.
Is it possible to maintain start/stop control through serial communication
while using an analog signal for speed reference?
|Answer:||Yes. On Sheet 2 of the E7B drawings, follow the "Drive Operation Mode Selection Table 2" with the following changes: |
To change the speed reference to an analog input, add a jumper from S5-S6, and another jumper from S4-SN.
Set parameter b1-01='0', h1-02='3', h3-02='0'. In addition, please do one of the following:
For 0-10VDC: Set h3-08='0', and set Drive Control PCB SW. S1-2 to 'OFF'.
For 4-20mA: Set h3-08='2', and set Drive Control PCB SW. S1-2 to 'ON'.
There is other related information on this FAQ, see "Link to related files" below.
|Product:||E7B Drive Bypass |
|Category:||Bypass Function; Networks; Programming|
SAFETY PRECAUTIONS AND INSTRUCTIONS FOR USE OF FAQ INFORMATION!
Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not superceed it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ.
All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.