| Message: | Our products website:https://www.amazon.com/HuaFan-QinLu-Relay-control-box/dp/B01IQKM6PM?ie=UTF8&*Version*=1&*entries*=0Xi'an Hua Fan Instrument Co.,Ltd is one of the leading relay control box manufacturers and suppliers in China, welcome to buy or wholesale relay control box made in China from us.Basic parametersPower supply: AC220VSwitching value: 32 (normally open)Working pattern: continuous outputRelay control box wiring instructions (shown in figure 2)Black iron shell, there were 32 passive relay output, through a serial port extension, connected to the LCD controller to control, shown in figure 1Interface: communication interface connected to the relay control box on the side plate, with a extension cord connected to the main control box R232 serial port communication interface.Relay inside control box as shown.When the corresponding channels relay alarm relay or absorption, concentration returned to normal, the relay is disconnected.Relay for passive output means normally open.Relay output is dry contact.If you want to control devices such as fan, refer to figure 3 relay connections. For high power electric equipment, it is recommended that the cascade of ac contactor, etc. url:http://www.huafansmart.com |
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