Relay Timer: Programmable RS232 Relay Control Software

Key Features

• Relaly Timer is programmable timer software to control ProXR relay controller boards of National Control Devies.It supports 1 ProXR relay board and up to 15 extension boards with 16-channel on each.
• Relays can be programmed separately with multiple schedules.
• Customized options make schedule setting more powerful and flexible.
• It `s very fit to control lights, motors, drippers, pumps, bells, audio, video signals and home automation.

Technical Specifications

• **Publisher:** Serialporttool.com
• **License:** Shareware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Utilities / Automation