{"product_id":"waveshare-industrial-4-ch-pwm-output-module-modbus-rtu-rs485-adjustable-frequency-duty-cycle","title":"Waveshare Industrial 4-Ch PWM Output Module Modbus RTU RS485, Adjustable Frequency \u0026 Duty Cycle","description":"\u003cbr\u003e1. This product is an industrial standard isolated RS485 to PWM pulse output module. Four channels of frequency and duty cycle are independently adjustable. It adopts Modbus RTU protocol and includes built-in protection circuits such as power isolation, magnetic coupling isolation, self-recovery fuse, and TVS.\u003cbr\u003e2. The output uses high-speed optocoupler isolation, and the output high-level voltage can be selected via internal jumpers.\u003cbr\u003e3. Four channels of PWM pulse output with frequency and duty cycle independently adjustable.\u003cbr\u003e4. Supports setting device address (1 to 255) to cascade multiple devices via the RS485 bus.\u003cbr\u003e5. On-board voltage regulator chip supports wide voltage supply from 7V to 36V.\u003cbr\u003e6. On-board integrated power isolation provides stable isolation voltage; the isolated end requires no additional power supply.\u003cbr\u003e7. On-board integrated magnetic coupling isolation enables signal isolation, with high reliability and strong anti-interference capability.\u003cbr\u003e8. On-board self-recovery fuse and TVS (Transient Voltage Suppressor) effectively suppress surge voltage and transient spike voltage in the circuit, protecting against overcurrent, overvoltage, lightning, and static electricity.\u003cbr\u003e9. Built-in watchdog ensures stable output without crashing.\u003cbr\u003e10. Rail-mounted enclosure design, compact size, easy installation.\u003cbr\u003e11. External 3 LED indicators for convenient viewing of power status and signal transmission\/reception status.\u003cbr\u003e \u003cbr\u003eParameters:\u003cbr\u003e1. Communication Interface: RS485 \u003cbr\u003e2. Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 \u003cbr\u003e3. Default Communication Format: 9600, N, 8, 1 \u003cbr\u003e4. Modbus Protocol: Standard Modbus RTU Protocol \u003cbr\u003e5. Supply Voltage: DC 7V to 36V \u003cbr\u003e6. Output Voltage: Default 3.3V, can be set to 5V via internal jumper \u003cbr\u003e7. Output Current: Signal type, less than 30mA \u003cbr\u003e8. Pulse Frequency: 1Hz to 200KHz \u003cbr\u003e9. Frequency Resolution: 0.01Hz \u003cbr\u003e10. Frequency Accuracy: 0.5 percent (equivalent to 5 per mille)\u003cbr\u003e11. Duty Cycle: 0 to 100 percent \u003cbr\u003e12. Duty Cycle Resolution: 0.01 percent \u003cbr\u003e13. Duty Cycle Accuracy: 0.5 percent (1Hz to 50KHz), 1 percent (50KHz to 200KHz)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"params_begin\"\u003eSpecification:\u003c\/div\u003e\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\r\n\u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n  \u003ctr\u003e\r\n\t\u003ctd style=\"border: none; padding: 5px; width: 15%;\"\u003e\r\n\t\t\tPackage Weight\r\n\t\t\u003c\/td\u003e\r\n\t\u003ctd style=\"border: none; padding: 0;\"\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t0.10kgs \/ 0.23lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Size\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t12cm * 1cm * 6cm \/ 4.72inch * 0.39inch * 2.36inch\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eQty per Carton\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t72\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t8.30kgs \/ 18.30lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Size\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t38cm * 32cm * 50cm \/ 14.96inch * 12.6inch * 19.69inch\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv class=\"params_prop last_prop\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eLoading Container\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t\t\t\t\t20GP: 438 cartons * 72 pcs = 31536 pcs\u003cbr\u003e\r\n\t\t\t\t\t\t\t\t40HQ: 1018 cartons * 72 pcs = 73296 pcs\u003cbr\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\u003c\/td\u003e\r\n  \u003c\/tr\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"MiOT Store","offers":[{"title":"Default Title","offer_id":53334821142835,"sku":"TBD06030512","price":25.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6170\/2707\/files\/TBD06030512.jpg?v=1778397613","url":"https:\/\/miot-store.com\/products\/waveshare-industrial-4-ch-pwm-output-module-modbus-rtu-rs485-adjustable-frequency-duty-cycle","provider":"MiOT Store","version":"1.0","type":"link"}