At present, there are various explosion-proof electric actuators on the market. For some standard actuator products, some manufacturers have printed electric actuator wiring diagrams. However, some non-standard valves, second-hand valve electric actuators or some small workshop products rarely have explosion-proof electric actuator wiring diagrams. This is one of the reasons why some customers do not choose this type of valve actuator. What if the wiring diagram of the valve actuator is unclear or missing?
Very simple, we can use the search engine to find the wiring diagram of the corresponding valve electric actuator, such as the following
In addition, the need for extra careful wiring diagrams must know the manufacturer and specific grid number of explosion-proof electric actuators.
Generally speaking, electric actuators have power wires and choke wires, single-phase actuator power wires with 2 cores (L, N), and three-phase actuators with 3 or 4 cores (A, B, C, N). : Analog input (4-20mA, 0-5V, etc., used to throttle valve opening), analog output (valve position feedback), switch input (open and close valve choke, electronic pulse choke, etc.), switch output (Switch in place, over-torque, alarm, etc.)
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