{"product_id":"allen-bradley-1734-ctm-point-i-o-common-terminal-module","title":"Allen-Bradley 1734-CTM POINT I\/O Common Terminal Module","description":"\u003ch1\u003eAllen-Bradley 1734-CTM POINT I\/O Common Terminal Module\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1734-CTM\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1734-CTM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommon Terminal Module, operates as a dedicated hardware component for shared field-device termination and common distribution within POINT I\/O networks. The module provides eight common terminals, supports 3-wire field device wiring, and installs directly onto compatible POINT I\/O terminal base assemblies without active signal processing functions.\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\u003e1734-CTM\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 Line\u003c\/td\u003e\n\u003ctd\u003ePOINT I\/O 1734\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCommon Terminal Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7.55 cm x 1.2 cm x 5.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Common Terminals\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Usage\u003c\/td\u003e\n\u003ctd\u003eShared commons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003ePlug-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003eSingle-slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Interface\u003c\/td\u003e\n\u003ctd\u003ePassive terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Style\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Support\u003c\/td\u003e\n\u003ctd\u003e3-wire field devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Support\u003c\/td\u003e\n\u003ctd\u003e1734-TOP, 1734-TOPS, 1734-TB, 1734-TBS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Role\u003c\/td\u003e\n\u003ctd\u003eTermination extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eTested to 1600 Vrms for 60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Bus Voltage\u003c\/td\u003e\n\u003ctd\u003e10 to 28.8 VDC, 120\/240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e2 A per point, 4 A maximum per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Location\u003c\/td\u003e\n\u003ctd\u003e1734-TB or 1734-TBS wiring base assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eI\/O Density Scaling and Terminal Distribution\u003c\/h3\u003e\n\u003cp\u003eThe 1734-CTM functions as a passive termination component within the POINT I\/O architecture. By providing eight shared common terminals, the module simplifies field wiring arrangements for compatible 3-wire devices while maintaining a compact single-slot footprint.\u003c\/p\u003e\n\u003cp\u003eThe module does not consume PointBus current and performs no signal conversion, processing, or network communication. Its role is limited to common terminal distribution and field-side termination support. Integration with POINT I\/O assemblies is accomplished through compatible terminal base units including the 1734-TB and 1734-TBS platforms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1734-CTM consume PointBus current?\u003c\/strong\u003e\u003cbr\u003eA: No. The module is specified with no PointBus current requirement because it operates as a passive terminal component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1734-CTM provide signal conditioning or I\/O processing?\u003c\/strong\u003e\u003cbr\u003eA: No. The module serves as a common terminal distribution device and does not perform signal conversion, communication, or control functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which terminal bases support installation of the 1734-CTM?\u003c\/strong\u003e\u003cbr\u003eA: The module is compatible with POINT I\/O terminal base assemblies including 1734-TOP, 1734-TOPS, 1734-TB, and 1734-TBS.\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\u003eVerify that the selected terminal base assembly matches the supported installation configurations before mounting the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the module on a properly secured DIN rail according to POINT I\/O mechanical assembly procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure field common conductors are correctly identified prior to termination to prevent unintended cross-connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute field wiring separately from high-energy power conductors where practical to reduce electrical interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm that field-side current does not exceed 2 A per point or 4 A per module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTighten terminal connections according to the wiring base specifications to maintain conductor retention and electrical continuity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect grounding and shielding practices throughout the control panel before energizing connected field devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43468660047962,"sku":"1734-CTM","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1734-CTM2.jpg?v=1780988726","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1734-ctm-point-i-o-common-terminal-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}