CN-224232115-U - IO-Link slave station hub

CN224232115UCN 224232115 UCN224232115 UCN 224232115UCN-224232115-U

Abstract

The utility model discloses an IO-Link slave hub, which belongs to the technical field of communication and comprises a microcontroller module, an IO-Link communication module, a power management control module, an input-output module and a data storage module, wherein the microcontroller module is in signal connection with an IO-Link master station through the IO-Link communication module, the microcontroller module is respectively in signal connection with the input-output module and the data storage module, and the power management control module supplies power for the microcontroller module, the IO-Link communication module, the input-output module and the data storage module. The utility model supports cascade connection, and the IO-Link hub can be cascaded through the IO-Link communication interface, thereby reducing the cost and increasing the flexibility.

Inventors

XU ZHONGSHENG
WANG SHIBAO
ZENG PENG

Assignees

杭州友上智能技术有限公司
杭州马上创新科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250327

Claims (1)

1. The IO-Link slave station hub is characterized by comprising a microcontroller module, an IO-Link communication module, a power management control module, an input-output module and a data storage module; The microcontroller module is in signal connection with the IO-Link master station through the IO-Link communication module; The microcontroller module is respectively connected with the input and output module and the data storage module through signals; The power management control module supplies power to the microcontroller module, the IO-Link communication module, the input/output module and the data storage module; the power management control module comprises a power chip U7; The 24V voltage output end is connected with the VIN end of the power supply chip U7 through the voltage stabilizing diode U5 and the inductor L2; The 24V voltage output end is grounded through a bidirectional voltage stabilizing diode and a thermistor U6 which are arranged in parallel; The 24V voltage output end is grounded after passing through a capacitor C8 and a capacitor C9 which are arranged in parallel; the EN end of the power chip U7 is grounded through a resistor R24; The EN end and the VIN end of the power chip U7 are connected through a resistor R21; the RT/CLK end of the power chip U7 is grounded through a resistor R25; The RT/CLK end and the VIN end of the power chip U7 are connected through a capacitor C12, a capacitor C13 and a capacitor C16 which are arranged in parallel; The BOOT end of the power chip U7 is connected with the SW end of the power chip U7 through a capacitor C7; The SW end of the power chip U7 is connected with the 3.3V voltage output end through an inductor L1; The SW end and the GND end of the power chip U7 are connected through a capacitor C11, a capacitor C10, a capacitor C14 and a diode D2 which are arranged in parallel; GND of the power chip U7 is grounded; the FB end and the SW end of the power chip U7 are connected through a resistor R18 and a capacitor C15 which are arranged in parallel; the FB end of the power chip U7 is grounded through a resistor R23; The COMP end of the power chip U7 is grounded after passing through a resistor R20 and a capacitor C19 and a capacitor C20 which are arranged in parallel; The input/output module comprises an input circuit and an output circuit; the input circuit comprises an optocoupler U4; the external input signal PORT1 is connected with the 1 end of the optocoupler U4 through the resistor R2 and the LED lamp U2; the 2 end and the 3 end of the optical coupler U4 are grounded; the 4 end of the optical coupler U4 is divided into two paths, one path is connected with the microcontroller module as a 3.3V digital signal output end after passing through a resistor R6, and the other path is grounded through a capacitor C4; The output circuit comprises an NMOS tube Q3 and a PMOS tube Q1; The output end of the digital signal DO1 EN of the microcontroller module is connected with the grid electrode of the NMOS tube Q3 through a resistor R11; The two ends of the resistor R11 are grounded through a resistor R13 and a capacitor C5 which are arranged in parallel; the source electrode of the NMOS tube Q3 is grounded; The drain electrode of the NMOS tube Q3 is connected with the source electrode of the PMOS tube Q1 through a resistor R9; The VCC end is divided into two paths, one path is connected with the grid electrode of the PMOS tube Q1 through a resistor R7, and the other path is connected with the source electrode of the PMOS tube Q1; The drain electrode of the PMOS tube Q1 passes through the fuse F1 and then is used as an external output signal PORT1_PIN2; The IO-Link communication module comprises a communication chip U17; the 3.3V voltage output end is connected with the VDD end and the IN1 end of the communication chip U17; The VDD terminal and the IN1 terminal of the communication chip U17 are grounded after passing through a capacitor C30 and a capacitor C31 which are arranged IN parallel; The 3.3V voltage output end is connected with the OL end of the communication chip U17 through a resistor R49; The VCC end of the communication chip U17 is divided into two paths, one path is connected with the +24vin input end, and the other path is grounded through a capacitor C32; The data storage module comprises a storage chip U15; The 3.3V voltage output end is connected with the WP end of the memory chip U15 through a resistor R37; the 3.3V voltage output end is connected with the VCC end of the memory chip U15; The HOLD end of the memory chip U15 is grounded after passing through a resistor R34 and a capacitor C23; The CS end, the SO end, the SCK end and the SI end of the data storage module are connected with the microcontroller module; The LED indicator light module comprises a Light Emitting Diode (LED) 9, a Light Emitting Diode (LED) 14 and a Light Emitting Diode (LED) 15; The positive electrode of the light emitting diode LED9 is connected with the 3.3V voltage output end through a resistor R155, and the negative electrode is connected with the POWER end of the microcontroller module; The positive electrode of the Light Emitting Diode (LED) 14 is connected with the 3.3V voltage output end through a resistor R156, and the negative electrode is connected with the RUN end of the microcontroller module; The positive pole of the light emitting diode LED15 is connected with the 3.3V voltage output end through a resistor R157, and the negative pole is connected with the ERROR end of the microcontroller module.

Description

IO-Link slave station hub Technical Field The utility model relates to the technical field of communication, in particular to an IO-Link slave station hub. Background In the field of industrial automation, device interface technology is key to connecting sensors, actuators and control systems. Although the traditional interface technology is stable, the problems of complicated wiring process, frequent wiring errors, incapability of monitoring parameters and the like exist. Disclosure of utility model The utility model aims to provide an efficient IO-Link slave hub. In order to solve the technical problems, the utility model provides an IO-Link slave hub, which comprises a microcontroller module, an IO-Link communication module, a power management control module, an input-output module and a data storage module; The microcontroller module is in signal connection with the IO-Link master station through the IO-Link communication module; The microcontroller module is respectively connected with the input and output module and the data storage module through signals; The power management control module supplies power to the microcontroller module, the IO-Link communication module, the input/output module and the data storage module; Preferably, the power management control module comprises a power chip U7; The 24V voltage output end is connected with the VIN end of the power supply chip U7 through the voltage stabilizing diode U5 and the inductor L2; The 24V voltage output end is grounded through a bidirectional voltage stabilizing diode and a thermistor U6 which are arranged in parallel; The 24V voltage output end is grounded after passing through a capacitor C8 and a capacitor C9 which are arranged in parallel; the EN end of the power chip U7 is grounded through a resistor R24; The EN end and the VIN end of the power chip U7 are connected through a resistor R21; the RT/CLK end of the power chip U7 is grounded through a resistor R25; The RT/CLK end and the VIN end of the power chip U7 are connected through a capacitor C12, a capacitor C13 and a capacitor C16 which are arranged in parallel; The BOOT end of the power chip U7 is connected with the SW end of the power chip U7 through a capacitor C7; The SW end of the power chip U7 is connected with the 3.3V voltage output end through an inductor L1; The SW end and the GND end of the power chip U7 are connected through a capacitor C11, a capacitor C10, a capacitor C14 and a diode D2 which are arranged in parallel; GND of the power chip U7 is grounded; the FB end and the SW end of the power chip U7 are connected through a resistor R18 and a capacitor C15 which are arranged in parallel; the FB end of the power chip U7 is grounded through a resistor R23; the COMP end of the power chip U7 is grounded through a resistor R20, a capacitor C19 and a capacitor C20 which are arranged in parallel. Preferably, the input-output module comprises an input circuit and an output circuit; the input circuit comprises an optocoupler U4; the external input signal PORT1 is connected with the 1 end of the optocoupler U4 through the resistor R2 and the LED lamp U2; the 2 end and the 3 end of the optical coupler U4 are grounded; the 4 end of the optical coupler U4 is divided into two paths, one path is connected with the microcontroller module as a 3.3V digital signal output end after passing through a resistor R6, and the other path is grounded through a capacitor C4; The output circuit comprises an NMOS tube Q3 and a PMOS tube Q1; The output end of the digital signal DO1 EN of the microcontroller module is connected with the grid electrode of the NMOS tube Q3 through a resistor R11; The two ends of the resistor R11 are grounded through a resistor R13 and a capacitor C5 which are arranged in parallel; the source electrode of the NMOS tube Q3 is grounded; The drain electrode of the NMOS tube Q3 is connected with the source electrode of the PMOS tube Q1 through a resistor R9; The VCC end is divided into two paths, one path is connected with the grid electrode of the PMOS tube Q1 through a resistor R7, and the other path is connected with the source electrode of the PMOS tube Q1; The drain electrode of the PMOS transistor Q1 is connected to the external output signal port1_pin2 through the fuse F1. Preferably, the IO-Link communication module comprises a communication chip U17; the 3.3V voltage output end is connected with the VDD end and the IN1 end of the communication chip U17; The VDD terminal and the IN1 terminal of the communication chip U17 are grounded after passing through a capacitor C30 and a capacitor C31 which are arranged IN parallel; The 3.3V voltage output end is connected with the OL end of the communication chip U17 through a resistor R49; The VCC end of the communication chip U17 is divided into two paths, one path is connected with the +24vin input end, and the other path is grounded through a capacitor C32. Preferably, the data storage module comprises a memory chip U15;