{"product_id":"allen-bradley-1788-cnchkr-controlnet-netchecker","title":"Allen Bradley 1788-CNCHKR ControlNet NetChecker","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen Bradley 1788-CNCHKR ControlNet NetChecker\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1788-CNCHKR\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CNCHKR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlNet NetChecker, operates as a dedicated hardware component for active ControlNet coaxial network diagnostics within ControlNet network platforms. The hand-held diagnostic tool provides node address selection, LED status indication, and signal monitoring functions.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe available technical documentation identifies 1788-CNCHKR as a fixed catalog number within the Allen Bradley 1788 Linking Devices product line. No additional suffix breakdown or configurable ordering matrix is specified.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1788-CNCHKR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlNet NetChecker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003e1788 Linking Devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBattery powered, 6 hours battery life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Batteries\u003c\/td\u003e\n\u003ctd\u003e2 x 1.5 VDC AA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eControlNet coaxial signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBNC Connector\u003c\/td\u003e\n\u003ctd\u003e1 x BNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e8 bi-color Red\/Green status indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eDiagnostic or Bargraph modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer\u003c\/td\u003e\n\u003ctd\u003ePiezo audible fault indication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input\u003c\/td\u003e\n\u003ctd\u003eExternal DC power jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOscilloscope Connector\u003c\/td\u003e\n\u003ctd\u003e3-pin Phoenix connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Address Range\u003c\/td\u003e\n\u003ctd\u003e0 to 99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction Switch\u003c\/td\u003e\n\u003ctd\u003e4-position diagnostic\/bargraph selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Switch\u003c\/td\u003e\n\u003ctd\u003e3-position OFF\/ON\/Push ON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProfinet \/ EtherNet-IP Deterministic Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1788-CNCHKR is a portable ControlNet diagnostic instrument designed for physical layer network verification. The tool monitors active ControlNet coaxial communication conditions through a BNC interface and provides visual diagnostic feedback through dual-color status indicators.\u003c\/p\u003e\n\u003cp\u003eAllen Bradley industrial network diagnostics rely on communication integrity analysis, network node identification, and field troubleshooting procedures. The device supports node address entry through two-digit decimal thumbwheel switches and provides diagnostic threshold selection through the function switch.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1788-CNCHKR provide permanent external power operation?\u003cbr\u003eA: The device supports external DC power through the DC jack. Normal operation is also supported by two 1.5 VDC AA batteries.\u003c\/p\u003e\n\u003cp\u003eQ: What type of connector is used for oscilloscope monitoring?\u003cbr\u003eA: The module provides a 3-pin Phoenix connector for oscilloscope connection.\u003c\/p\u003e\n\u003cp\u003eQ: How is the ControlNet node selected for diagnostic testing?\u003cbr\u003eA: The target node address is entered using two-digit decimal thumbwheel switches with an address range from 0 to 99.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the BNC interface directly to the ControlNet coaxial segment under test according to the network access procedure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify the selected node address before starting diagnostic measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep diagnostic connections physically separated from high-voltage wiring and high-noise power conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse the provided oscilloscope connector only with compatible measurement equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm battery condition before field deployment and use the external DC jack when required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eObserve cable shielding and grounding practices during ControlNet coaxial signal inspection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDo not modify internal wiring or switch configurations beyond the specified diagnostic functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43762691342426,"sku":"1788-CNCHKR","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1788-CNCHKR2.jpg?v=1785392901","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1788-cnchkr-controlnet-netchecker","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}