An integrated signal control device and its control method
A technology of signal control and control signal, which is applied in the direction of program control and electrical program control in the sequence/logic controller, to achieve the effect of convenient installation and debugging, convenient on-site installation and simple structure
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specific Embodiment approach 1
[0032] An integrated signal control device, such as figure 1 with figure 2 As shown, it includes a housing 1 and a control circuit board 2; the control circuit board 2 is set in the housing 1, and the control circuit board 2 is connected to the housing 1 through the installation pillar 3, and is detachably fixed by the installation fixture 4 On mounting strut 3;
[0033] Such as image 3 As shown, the control circuit board 2 includes a connection port, a power conversion circuit, a signal conversion circuit, a control signal receiving circuit, a position feedback signal receiving circuit, a control operation circuit and a signal output circuit; the connection ports are respectively connected to the power conversion circuit, A control signal receiving circuit and a position feedback signal receiving circuit, the power conversion circuit is respectively connected to the control signal receiving circuit, the position feedback signal receiving circuit, the signal conversion cir...
specific Embodiment approach 2
[0037] Further, as Figure 4 As shown, the power conversion circuit includes chip U1, chip U2, capacitor C7, polarized capacitor C13, capacitor C8, and polarized capacitor C11; U1 is an AC-DC power module, model: HAS5-24-N. U7 is an AC-DC power module, model: HAS2.5-12-N. Both pin 1 of U7 and pin 1 of U1 are empty. G is the network label, all G points are connected; the pin 4 of the chip U7 is respectively connected to one end of the capacitor C7, the negative pole of the polarized capacitor C13 and the terminal G, and the other end of the capacitor C7 is respectively connected to the polarized capacitor C13 The positive pole, the power supply +12V and the pin 5 of the chip U7, and the pin 4 of the chip U1 are respectively connected to one end of the capacitor C8, the negative pole of the polarized capacitor C11 and ground, and the other end of the capacitor C8 is respectively connected to the polarized capacitor C11 The positive pole of the power supply +12V and the pin 5 o...
specific Embodiment approach 3
[0043] A control method implemented based on the integrated signal control device, comprising the following steps:
[0044] Step a, connect the signal line of the input control signal to the connection port of the control circuit board 2 through the first wire inlet hole 5, and connect the line connected to the external solenoid valve to the connection port of the control circuit board 2 through the second wire inlet hole 6 , connect the external power supply line to the connection port of the control circuit board 2 through the third wire inlet hole 7, connect the solenoid valve feedback line connected to the DCS to the connection port of the control circuit board 2 through the fourth wire inlet hole 8, and connect the The actuator state feedback signal line of the DCS is connected to the connection port of the control circuit board 2 through the fifth wire inlet hole 9;
[0045] Step b. The control circuit board 2 monitors the DC4-20mA input control signal in real time. When...
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