FAQ: What would cause an "06" communications error code in an HMI when talking to one or more NS600(s)?
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Error code 06 in the HMI indicates a Response Error. It could be caused by unmatched settings, noise, or response out of range. It is important to insure all the communications parameters are properly fixed. Please verify the following:
1) The HMI is expecting an "OK" response from every command sent to the NS600. This is possible by setting Pn802 = 1.
2) The HMI does not want an echo from the NS600 on characters sent. This can be set by Pn800 to 0 or 5. Most common example: If using single or muti-drop 4 wire RS422, no echo is possible by setting Pn800 = 0. (note that the delimiter expected at the HMI is a CRLF).
3) Baud rate settings must match in HMI and NS600. Most common example: if using 19.2kbaud, then setting of Pn801 = 1.
4) Address switch settings must be fixed properly. NS600 address swich must match the address reference per data field in HMI.
5) Verify wiring diagram vs actual wiring (see alternate FAQ). Terminator must be placed in the last physical node (100ohm). Maximum distance is 3m (RS232C) and 50m (RS422/485).
6) Transmission protocol format must be matched at: 1 start bit, 7 databit (ASCII), 1 parity bit (even), 1 stop bit, no XON/XOFF control, half duplex.
7) System Field Ground must be installed properly. Each SGDH must have a properly sized ground wire ran to a single point in the control cabinet. HMI should use the ground spade with a 14-16 AWG wire running to a single point in the control cabinet (star ground configuration). Shielding of HMI-NS600 cable should be terminated at the HMI side. Check for ground loops in the system.
Note: Pn numbers can be set in the NS600 using IndexWorks Software.
For more information regarding error codes in the HMI, see the "Technical Support.chm" file
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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 supersede 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.
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