{"product_id":"products-4ch-pulse-counter-rs485-relay-module-modbus-rtu-remote-io","title":"4CH Pulse Counter RS485 Relay Module – Modbus RTU Remote IO Controller with Multifunctional Wired Control for Simple PLC Replacement N4CRB04","description":"\u003cp\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eThe N4CRB04 is a multi-functional RS485 I\/O module developed and manufactured by eletechsup. In addition to supporting the standard MODBUS RTU protocol, it also has several features not found in older versions, such as a watchdog timer to ensure automatic reset in case of device malfunction, and an input port counting function to ensure no input signals are missed.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eThe N4CRB04 is a multifunctional product:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\n   1. Compatible with NPN\/PNP level inputs\u003cbr\u003e\n   2. Counts input pulses (Registers 0x0020-0x0023)\u003cbr\u003e\n   3. Multiple relay control modes: inching, self-locking, and interlocking\u003cbr\u003e\n   (registers 0x0000-0x0003)\u003cbr\u003e\n   4. Watchdog function (register 0x00F3)\u003cbr\u003e\n   5 Remote IO function (registers 0x00F5-0x00F6)\u003cbr\u003e\n   6 Automatic reporting of digital input(DI) status(register 0x00F8)\u003cbr\u003e\n   7 Input and output relationship（DI-DO relationship）(register 0x00FA)\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cbr\u003e\n    1: Operating Voltage: DC 12V\/24V\u003cbr\u003e\n    2: Operating Current: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 68MA, 3 relays open 93MA,4 relays open 120MA\u003cbr\u003e\n    3: 4ch 3-24V NPN\/PNP Opto-Isolated Input Ports\u003cbr\u003e\n    4: The input-output relationship can be set to various association modes through instructions(Self-lockingdefault)\/Interlocking\/Momentary\/Interlocking\/Output=Input)\u003cbr\u003e\n    5: The input port can remotely control the output port of another board through the RS485 bus\u003cbr\u003e\n    6: The input port has a counting function. It can count pulses greater than 100MS (the pulse width can be set from 10 to 2000MS).\u003cbr\u003e\n    7: Support standard Modbus RTU command, function code, write 05\/06\/15\/16 read 01\/02\/03\u003cbr\u003e\n    8: With hardware reset function, with TVS anti-surge protection\u003cbr\u003e\n    9: 4 opto-isolated inputs (NPN), 4 relay outputs (upgraded relays, more durable)\u003cbr\u003e\n    10: MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll''Enter;\u003cbr\u003e\n    11: Under the MODBUS command mode, it can support up to 254 devices in parallel\u003cbr\u003e\n    12: The default baud rate is 9600BPS. The baud rate can be selected by Conmand 2400 4800 9600 19200 38400 57600 115200BPS\u003cbr\u003e\n    13: The parity can be none parity, even parity and odd parity\u003cbr\u003e\n    14: The data sending and returning time can be set,with a maximum value of 1000ms\u003cbr\u003e\n    15: Size: 73 * 72 * 19mm(Only PCB Board);76 * 82*40mm(with Din Rail Box)\u003cbr\u003e\n    16: Weight: 80g(Only PCB Board);142g(with Din Rail Box)\u003cbr\u003e\n    17: Maximum load: 10A \/ 250VAC, 10A \/ 125VAC, 10A \/ 30VDC, 10A \/ 28VDC, 10A \/ 12VDC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/S3df3abfbc8dd4fe6875d144f85b695a8U_2e6f85cf-8b30-4501-8b2d-458d7bf246e5.webp?v=1783932647\" slate-data-type=\"image\"\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"12V Only Board","offer_id":51552659964182,"sku":"N4CRB04_12V","price":18.89,"currency_code":"USD","in_stock":true},{"title":"12V With DIN Case","offer_id":51552659996950,"sku":"N4CRB04_12V_R","price":20.62,"currency_code":"USD","in_stock":true},{"title":"24V Only Board","offer_id":51552660029718,"sku":"N4CRB04_24V","price":18.91,"currency_code":"USD","in_stock":true},{"title":"24V With DIN Case","offer_id":51552660062486,"sku":"N4CRB04_24V_R","price":20.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/900096202607131644226a54a56693096.png?v=1783932647","url":"https:\/\/eletee.com\/products\/products-4ch-pulse-counter-rs485-relay-module-modbus-rtu-remote-io","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}