{"product_id":"irp1","title":"BLOCKsignalling IRP1 Infra-Red Automatic Points Controller","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBLOCKsignalling IRP1\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an automatic points controller designed to detect approaching trains and operate standard twin-coil solenoid point motors automatically. Using two infra-red sensors positioned around the track, the module can detect passing trains and set the points to the required route without manual intervention.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe IRP1 can be configured for both facing and trailing points, making it suitable for a wide variety of model railway applications. With trailing points, the module can automatically set the points to match the line from which a train is approaching. With facing points, trains can be automatically directed between the main and branch routes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor facing points, the module can be programmed to send a selected proportion of trains onto the branch line, either in a regular sequence or at random, adding variety to automatic layout operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAutomatically operates standard twin-coil solenoid point motors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes two infra-red sensors for detecting passing trains.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for both facing and trailing point operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatically routes approaching trains through points.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProgrammable regular or random route selection when used with facing points.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable branch line selection ratio.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoints can remain locked until the complete train has passed the points.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable infra-red sensor sensitivity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCan use reed switches, push buttons, relays or other switch contacts instead of infra-red detection.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with manual control panel switches for additional points control.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLED indicators show programming and points operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eProgrammable settings allow operation to be customised for different layouts.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInfra-Red Train Detection\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTwo infra-red sensors are included with the IRP1 and are normally installed beneath the track. Each sensor contains an infra-red emitter and detector and works by detecting reflected infra-red light from passing rolling stock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe sensors have a detection range of up to approximately 25mm under normal sensitivity settings and can be installed through an 8mm hole in the baseboard. They can also be positioned alongside the track to detect trains from the side if required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSensor sensitivity is factory set to suit most installations but can be adjusted from 1 to 10 where required.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFacing Points Operation\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen used with facing points, the IRP1 detects an approaching train and automatically selects either the main or branch route.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe module can be programmed to route trains to the branch line at a selected ratio. For example, it can send one in every two, three or four trains to the branch. Regular routing provides a predictable sequence, while random routing varies which trains are sent to the branch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA second sensor can detect when the train has completely cleared the points, preventing the points from changing underneath a passing train.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTrailing Points Operation\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen used with trailing points, sensors are positioned on the main and branch lines approaching the points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen a train is detected on either line, the IRP1 automatically operates the points to select the route from which the train is approaching. This can be particularly useful for automatically routing trains leaving sidings, goods yards or terminus stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eElectrical Requirements\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe IRP1 operates alongside a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCapacitor Discharge Unit (CDU)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which supplies the high-current pulse required by twin-coil point motors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe module connects to the CDU output for points operation and also to the power supply feeding the CDU for its electronic circuitry. A single CDU can be shared between multiple IRP1 modules and manually operated points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe IRP1 is rated for a maximum of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16V AC\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, or up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e20V DC\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when the CDU is powered from a DC supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eAlternative Sensor Inputs\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlthough designed for infra-red train detection, the IRP1 can also be programmed to operate using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ereed switches, push buttons, relays or other switch contacts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEither or both sensor inputs can be configured for switch operation, providing additional flexibility for different layout installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWiring Diagram\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0994\/4009\/9673\/files\/irp1.jpg?v=1787744569\" alt=\"\" style=\"margin: 0px;\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eProgramming \u0026amp; Adjustments\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe IRP1 includes a range of programmable settings allowing its operation to be customised to suit the layout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSettings include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFacing or trailing points operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRegular or random branch line routing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBranch line selection ratio.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInfra-red or switch-type sensor inputs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoints motor drive duration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoints locking and unlock time.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensor detection time.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetriggering behaviour.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoints position when the module is powered on.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eDocumentation \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eFor detailed information on installation, wiring connections, and troubleshooting, please download the latest instruction manual:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1niXK8BgcPoMSJmUvt-FZYOtRgcTpdh8s\/view?usp=sharing\" target=\"_blank\" title=\"IRP1\" rel=\"noopener\"\u003eProduct Instruction Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"BLOCKsignalling","offers":[{"title":"Default Title","offer_id":59163450671449,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/4009\/9673\/files\/blocksignalling-irp1-infra-red-automatic-points-controller-1255866286.jpg?v=1787751674","url":"https:\/\/blocksignalling.co.uk\/products\/irp1","provider":"BLOCKsignalling","version":"1.0","type":"link"}