{"product_id":"n4crb04-4di-4do-rs485-pulse-counter-relay-remote-io-modbus-watchdog-inching-self-locking-interlocking-delay-plc-hmi-io-expansion","title":"N4CRB04 4DI-4DO RS485 Pulse Counter Relay Remote IO Modbus Watchdog inching self-locking interlocking Delay PLC HMI IO Expansion","description":"\u003cp\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\n \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eN4CRB04 Eletechsup 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 \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 \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 \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 \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 \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 \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\n   DIN rail Box parameters:\u003cbr\u003e\n   DIN rail Box parameters:\u003cbr\u003e\n   Product model: UM72\u003cbr\u003e\n   Color:Grey\u003cbr\u003e\n   Width: suitable for PCB board width UM72(72mm)\u003cbr\u003e\n   Insulation grade: flame-retardant VO grade\u003cbr\u003e\n   Backplane length: suitable for 73 mm PCB boards\u003cbr\u003e\n   Net weight: 61g\u003cbr\u003e\n   Installation: DIN35 and C45 rail\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eGlossary:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\n   NO : Relay normally open contact\u003cbr\u003e\n   COM : Relay common contact\u003cbr\u003e\n   NC : Relay normally closed contact\u003cbr\u003e\n   Open : NO connection COM, NC disconnect COM\u003cbr\u003e\n   Close : NO disconnect COM, NC connection COM\u003cbr\u003e\u003cbr\u003e\n   Command Description, Please refer to''N4CRB04 MODBUS RTU Commamd''\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\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\u003eInput port pulse counting function:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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\u003eDI Counter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e(registers 0x0020-0x0023)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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    Record the number of DI pulses greater than 100MS. Pulses less than 100MS will be ignored.\u003cbr\u003e\n    The initial value is 0 or set by the DI Counter Setting (0x0040-0x0043) Register.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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 \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eDI Counter Setting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e(registers 0x0040-0x0043)\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\n   If 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.\u003cbr\u003e\n   If the written value is greater than the DI Counter (0x0020-0x0023) value, the DI Counter value will be reset to 0\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\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\u003eDI Counter Pulse Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e(registers 0x0060-0x0063)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\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    The setting value is 0-199, unit is 10MS. Default value is 10. The pulse width can be set through this register.\u003cbr\u003e\n    For example: if the setting value is 10, pulses less than 100MS will be ignored, and pulses greater than 100MS will be counted.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S264ebb464d514349942e37e59c33998ap_319fa6ae-5bc0-4fa5-98b0-46cd727e8457.webp?v=1789031967\" slate-data-type=\"image\"\u003e\n \u003cbr\u003e\u003cstrong\u003eHow to set up remote control:\u003c\/strong\u003e\n \u003cbr\u003e\n 1The RS485 address and baud rate must be the same (it is recommended to restore both boards to factory settings). \n \u003cbr\u003e\n 2 Enable Remote IO Receiver: 01 06 00 F6 00 01 A8 38 \n \u003cbr\u003e\n 3 Enable Remote IO Sender : 01 06 00 F5 00 01 58 38 \n \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/Scc25c26037ee4f30ae1c7812d33113028_a9775b9a-9761-4b72-b405-89e86211f02c.webp?v=1789031968\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"Eletechsup Retail Original Factory Store ","offers":[{"title":"12V Only Board","offer_id":48896908394653,"sku":"N4CRB04_12V","price":16.99,"currency_code":"USD","in_stock":true},{"title":"12V With DIN Case","offer_id":48896908427421,"sku":"N4CRB04_12V_R","price":19.99,"currency_code":"USD","in_stock":true},{"title":"24V Only Board","offer_id":48896908460189,"sku":"N4CRB04_24V","price":16.99,"currency_code":"USD","in_stock":true},{"title":"24V With DIN Case","offer_id":48896908492957,"sku":"N4CRB04_24V_R","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/Se08fc6bbc7bb4964ba0668697d0be74a3.webp?v=1789031961","url":"https:\/\/eletechsup.com\/products\/n4crb04-4di-4do-rs485-pulse-counter-relay-remote-io-modbus-watchdog-inching-self-locking-interlocking-delay-plc-hmi-io-expansion","provider":"Eletechsup Retail Original Factory Store ","version":"1.0","type":"link"}