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How to use External Control Function for WT3000-1JA
Release Time：2017-01-20
Communication Control Mode
The Pump can to connect to control computer (computer, PLC, SCM) through RS485 serial communication module (see figure 1).
Analog signal control mode
Please see figure 2 for external control module.
Terminals Definition of External Control Module
1#: Analog speed control input, for external speed control in external control modules of 4-20mA, 0.5-5V and 1-10V.
2#: External start/stop control input. When connected to COM,the pump runs,when connected to high level,the pump stops
3#: Open
4#: Reference potential for 4-20mA, 0.5-5V and 1-10V speed control input.Pulse speed control input,for external speed control in external control module of 0-10KHz.
5#: Reference potential for external start/stop and pulse speed control input.
