{"product_id":"r4plb04-4di-4do-rs485-modbus-remote-io","title":"R4PLB04 4DI 4DO RS485 Modbus Remote I\/O Core Board – Pulse Counter with 2.54mm Pin Header","description":"\u003cp\u003e\u003cstrong\u003eThe R4PLB04 is a multifunctional product:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1. Configurable NPN\/PNP level input(Registers 0x00F1)\u003c\/p\u003e\n\u003cp\u003e2. Configurable PNP\/NPN level output(Registers 0x00F2)\u003c\/p\u003e\n\u003cp\u003e3. Counts input pulses (registers 0x0020-0x0023)\u003c\/p\u003e\n\u003cp\u003e4. Multiple Output control modes: inching, self-locking, and interlocking\u003c\/p\u003e\n\u003cp\u003e(Registers 0x0000-0x0003)\u003c\/p\u003e\n\u003cp\u003e5. Watchdog function (Register 0x00F3)\u003c\/p\u003e\n\u003cp\u003e6 Remote IO function (Registers 0x00F5-0x00F6)\u003c\/p\u003e\n\u003cp\u003e7 Automatic reporting of digital input(DI) status(Register 0x00F8)\u003c\/p\u003e\n\u003cp\u003e8 Input and output relationship（DI-DO relationship）(Register 0x00FA)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e1: Operating Voltage: DC 3.3-5V(Can be powered by 3.7\/3.85V battery)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e2: Operating Current: 8-10MA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e3: 4ch 3-5V TTL Level NPN Input Ports(Configurable as PNP)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e4: 4ch 3-5V TTL Level PNP Output Ports(Configurable as NPN)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e5: The input-output relationship can be set to various association modes through instructions(Self-lockingdefault)\/Interlocking\/Momentary\/Interlocking\/Output=Input)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e6: The input port can remotely control the output port of another board through the RS485 bus\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e7: The input port has a counting function. It can count pulses greater than 100MS (the pulse width can be set from 10 to 2000MS).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e8:\u003c\/span\u003e \u003cspan style=\"color:rgb(0, 112, 192)\"\u003eSupport standard Modbus RTU command, function code, write 05\/06\/15\/16 read 01\/02\/03\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e9: With hardware factory reset jumper, shorting the RES jumper for 5 seconds will restore the factory settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e10: MODBUS commands can be made serial HyperTerminal (serial assistant)  OR \u003c\/span\u003e\"\u003cspan style=\"color:rgb(68, 114, 196)\"\u003eModbus Poll\u003c\/span\u003e\"\u003cspan style=\"color:rgb(0, 112, 192)\"\u003eEnter;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e11: Under the MODBUS command mode, it can support up to 254 devices in parallel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e12: The default baud rate is 9600BPS. The baud rate can be selected by Conmand 2400 4800 9600 19200 38400 57600 115200BPS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e13: The parity can be none parity, even parity and odd parity \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e14: The data sending and returning time can be set,with a maximum value of 1000ms\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e15: Size: 17.78*15*2.8MM\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(0, 112, 192)\"\u003e16: Weight: 0.8g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput port \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(237, 125, 49)\"\u003e1 Default NPN, can be set to PNP\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(237, 125, 49)\"\u003e2 3-5.5V level input\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(237, 125, 49)\"\u003eNote: The input port is not isolated, do not over-voltage input\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput port\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(47, 84, 150)\"\u003e1 Default PNP, can be set to NPN\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(47, 84, 150)\"\u003e2 3.3-5V TTL level output\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(47, 84, 150)\"\u003eNOTE:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(47, 84, 150)\"\u003e1 The output level is consistent with the operating voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(47, 84, 150)\"\u003e2 The MCU outputs directly, and the load current cannot be greater than 10MA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecautions for use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e1 The working power supply is DC 3.3-5.5V, no overvoltage and no reverse connection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e2 The input port level cannot be greater than 5.5V, otherwise it will cause damage to the port\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e3 The output port level voltage is consistent with the working voltage, and the output drive current cannot be greater than 5MA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis is a multi-function core board. By configuring registers, you can achieve many useful functions. For details, please see:\"R4PLB04 MODBUS RTU Commamd\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput port pulse counting function:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDI Counter\u003c\/strong\u003e(registers 0x0020-0x0023)\u003cstrong\u003e:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecord the number of DI pulses greater than 100MS. Pulses less than 100MS will be ignored.\u003c\/p\u003e\n\u003cp\u003eThe initial value is 0 or set by the DI Counter Setting (0x0040-0x0043) Register.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDI Counter Setting\u003c\/strong\u003e(registers 0x0040-0x0043)\u003cstrong\u003e:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the written value is less than the DI Counter (0x0020-0x0023) value, the DI Counter value will automatically subtract the DI Counter Setting (0x0040-0x0043) value.\u003c\/p\u003e\n\u003cp\u003eIf the written value is greater than the DI Counter (0x0020-0x0023) value, the DI Counter value will be reset to 0\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDI Counter Pulse Width\u003c\/strong\u003e(registers 0x0060-0x0063)\u003cstrong\u003e:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe setting value is 0-199, unit is 10MS. Default value is 10. The pulse width can be set through this register.\u003c\/p\u003e\n\u003cp\u003eFor example: if the setting value is 10, pulses less than 100MS will be ignored, and pulses greater than 100MS will be counted.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/publish-cos.mabangerp.com\/upload\/privatepublish\/aliexpress\/900096\/20261007\/179135232912735900008.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:left\" align=\"left\"\u003e\u003cstrong\u003eHow to set up remote control:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1The RS485 address and baud rate must be the same (it is recommended to restore both boards to factory settings).\u003c\/p\u003e\n\u003cp\u003e2 Enable Remote IO Receiver: 01 06 00 F6 00 01 A8 38\u003c\/p\u003e\n\u003cp\u003e3 Enable  Remote IO Sender : 01 06 00 F5 00 01 58 38\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/179135236753740000280.jpg?v=1791731228\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"Only Board","offer_id":67688397734166,"sku":"R4PLB04","price":4.49,"currency_code":"USD","in_stock":true},{"title":"With Pins","offer_id":67688397766934,"sku":"R4PLB04_PIN","price":4.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/Sf3f80fa26fda41e9a892b7694a3456f4q.webp?v=1791731220","url":"https:\/\/eletee.com\/products\/r4plb04-4di-4do-rs485-modbus-remote-io","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}