The RC9 IO cables EMC evaluation for noise is only tested up to 15m in length. However, these cables can be extended to 30m using the proper cable specifications and ensuring the cable is not within close proximity of equipment that general a lot of noise such as power supply.


https://attachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NjAwNTIwMjQyMjQsImRvbWFpbiI6ImRlbnNvcm9ib3RpY3MuZnJlc2hkZXNrLmNvbSIsImFjY291bnRfaWQiOjEyODc3Nzh9.tvVCuvj1kAst8LKIlbys9xRyVVoFnNWWqCDvrxzaS1c


https://www.fa-manuals.denso-wave.com/en/RC9/010206/