Tag Archives: 4-channel relay

Control 4-channel ProXR Relay Board with Relay Timer R4X

Relay Timer R4X software allows you to control 4-channel ProXR relay board manually and automatically according to timing schedule setting. Here will show you how to control 4-channel ProXR relay board of National Control Devices with Relay Timer R4X software. … Continue reading

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Control 4-Channel ProXR Relay Board with Quick Timer R4X

Quick Timer R4X software is designed to set timer to control 4-channel relay boards automatically. Here will show you how to control 4-channel ProXR relay board of National Control Devices with Quick Timer R4X. 1. Plug-in power for 4-channel ProXR … Continue reading

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