{"id":8115081347252,"title":"Waveshare Industrial 4-Ch PWM Output Module, Modbus RTU Protocol, Isolated RS485 Interface, Adjustable Frequency and Duty Cycle, with Various Isolation and Protection Circuits","handle":"waveshare-industrial-4-ch-pwm-output-module-modbus-rtu-protocol-isolated-rs485-interface-adjustable-frequency-and-duty-cycle-with-various-isolation-and-protection-circuits","description":"\u003ch3\u003eWaveshare Industrial 4-Ch PWM Output Module, Modbus RTU Protocol, Isolated RS485 Interface, Adjustable Frequency and Duty Cycle, with Various Isolation and Protection Circuits\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThe Modbus RTU PWM Output 4CH is an isolated RS485 to PWM output module, supports 4-ch PWM outputs with adjustable frequency and duty cycle. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS\u003c\/li\u003e\n \u003cli\u003eThe outputs use high-speed optocoupler isolation, and the output high-level voltage can be switched via an internal jumper. 4-ch PWM outputs, with independently adjustable frequency and duty cycle. Configurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/li\u003e\n \u003cli\u003eOnboard voltage regulator, supports 7~36V wide range power supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetic isolation, allows signal isolation, high reliability, strong anti-interference\u003c\/li\u003e\n \u003cli\u003eOnboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current\/over-voltage proof, lightningproof \u0026amp; anti-electrostatic\u003c\/li\u003e\n \u003cli\u003eOnboard watchdog, for stable output without crashing. Rail-mount case design, compact size, easy to install. 3x LEDs for indicating the power status and signal transceiving status\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-02T12:24:38+10:00","created_at":"2026-09-01T21:56:39+10:00","vendor":"Waveshare","type":"IO Modules","tags":["industrial_DE_Aug2026"],"price":22800,"price_min":22800,"price_max":22800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44374789062836,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"de-B0GRM9QPL6","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Waveshare Industrial 4-Ch PWM Output Module, Modbus RTU Protocol, Isolated RS485 Interface, Adjustable Frequency and Duty Cycle, with Various Isolation and Protection Circuits","public_title":null,"options":["Default Title"],"price":22800,"weight":120,"compare_at_price":null,"inventory_management":"shopify","barcode":"Modbus RTU PWM Output 4CH","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/auspowers.com\/cdn\/shop\/files\/B0GRM9QPL6.jpg?v=1788263801","\/\/auspowers.com\/cdn\/shop\/files\/41qNjRfHB9L.jpg?v=1788263801","\/\/auspowers.com\/cdn\/shop\/files\/51R--QDbSsL.jpg?v=1788263801","\/\/auspowers.com\/cdn\/shop\/files\/411E5hMEZHL.jpg?v=1788263801","\/\/auspowers.com\/cdn\/shop\/files\/519OrX-XrFL.jpg?v=1788263801","\/\/auspowers.com\/cdn\/shop\/files\/41wAO1CoQFL.jpg?v=1788263801"],"featured_image":"\/\/auspowers.com\/cdn\/shop\/files\/B0GRM9QPL6.jpg?v=1788263801","options":["Title"],"media":[{"alt":null,"id":33272001167540,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/B0GRM9QPL6.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/B0GRM9QPL6.jpg?v=1788263801","width":500},{"alt":null,"id":33272001200308,"position":2,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41qNjRfHB9L.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41qNjRfHB9L.jpg?v=1788263801","width":500},{"alt":null,"id":33272001233076,"position":3,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/51R--QDbSsL.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/51R--QDbSsL.jpg?v=1788263801","width":500},{"alt":null,"id":33272001265844,"position":4,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/411E5hMEZHL.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/411E5hMEZHL.jpg?v=1788263801","width":500},{"alt":null,"id":33272001298612,"position":5,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/519OrX-XrFL.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/519OrX-XrFL.jpg?v=1788263801","width":500},{"alt":null,"id":33272001331380,"position":6,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41wAO1CoQFL.jpg?v=1788263801"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41wAO1CoQFL.jpg?v=1788263801","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWaveshare Industrial 4-Ch PWM Output Module, Modbus RTU Protocol, Isolated RS485 Interface, Adjustable Frequency and Duty Cycle, with Various Isolation and Protection Circuits\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eThe Modbus RTU PWM Output 4CH is an isolated RS485 to PWM output module, supports 4-ch PWM outputs with adjustable frequency and duty cycle. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS\u003c\/li\u003e\n \u003cli\u003eThe outputs use high-speed optocoupler isolation, and the output high-level voltage can be switched via an internal jumper. 4-ch PWM outputs, with independently adjustable frequency and duty cycle. Configurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/li\u003e\n \u003cli\u003eOnboard voltage regulator, supports 7~36V wide range power supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetic isolation, allows signal isolation, high reliability, strong anti-interference\u003c\/li\u003e\n \u003cli\u003eOnboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current\/over-voltage proof, lightningproof \u0026amp; anti-electrostatic\u003c\/li\u003e\n \u003cli\u003eOnboard watchdog, for stable output without crashing. Rail-mount case design, compact size, easy to install. 3x LEDs for indicating the power status and signal transceiving status\u003c\/li\u003e\n \u003c\/ul\u003e"}