Overview

Modbus is an unencrypted communication protocol. RS-485 cannot transmit encrypted data using communication protocol.

WARNING
Potential compromise of system availability, integrity, and confidentiality Do not allow unauthorized users to access your network. All transmitted information is encrypted. Regularly update and patch your network security systems. Monitor network activity for any suspicious behavior. Failure to follow these instructions can result in death, serious injury, or equipment damage.

To avoid malicious use of the sensitive information that will be transmitted through an internal network, follow the instructions:

• Segment the network physically or logically..

• Restrict access to the network using standard controls such as firewalls.

• For transmitting data over an external network, encrypt protocol transmissions over all external connections using an encrypted tunnel, TLS wrapper or a similar solution.