{"product_id":"omron-cpm1-cif11-communications-adapter-cpm1-series","title":"Omron CPM1-CIF11 Communications Adapter CPM1 Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CPM1-CIF11\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCPM1-CIF11\u003c\/strong\u003e Communications Adapter, operates as a dedicated hardware component for converting peripheral port signals to RS-422A\/485 serial communication standards within Omron CPM1 and CPM1A PLC networks.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eComponent Variable\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDesignation \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eCPM1-CIF11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eCPM1 \/ CPM1A \/ CPM2A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Classification\u003c\/td\u003e\n\u003ctd\u003eRS-422A\/485 Communications Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Translation\u003c\/td\u003e\n\u003ctd\u003eOmron Peripheral Port to RS-422A \/ RS-485 Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eCPM1-CIF11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.0 cm x 7.3 cm x 4.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e10.0 cm x 8.0 cm x 6.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.75 W max at 5 VDC (supplied from host CPU peripheral port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003e500 m max (total RS-422A\/485 line length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e38.4 kbps max (dependent on CPU peripheral port configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Standard\u003c\/td\u003e\n\u003ctd\u003eOptical isolation (photocoupler isolation between CPU and RS-422A\/485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connectors\u003c\/td\u003e\n\u003ctd\u003e1x Dedicated Peripheral Port Connector, 1x RS-422A\/485 Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSerial Interface Throughput and Communication Protocol Determinism\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOmron CPM1-CIF11\u003c\/strong\u003e converts the host PLC peripheral bus signals into differential RS-422A\/485 signals without requiring an external auxiliary power supply. Interfacing directly via the peripheral port, the adapter maintains deterministic Host Link and 1:N NT Link protocol execution across multi-drop network topologies. Photocoupler isolation blocks common-mode noise and ground potential differentials across long cable runs, preserving low latency data throughput up to 38.4 kbps across expanded 500 m transmission lines.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CPM1-CIF11 Communications Adapter Unit\u003c\/li\u003e\n\u003cli\u003e1x Connecting Cable (attached\/integrated peripheral bus interface)\u003c\/li\u003e\n\u003cli\u003e1x Hardware Installation Leaflet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Connect the adapter directly to the peripheral port of the CPM1\/CPM1A\/CPM2A CPU unit. Ensure the connector lock screws are hand-tightened to prevent intermittent bus connection loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect RS-422A\/485 differential lines (SDA, SDB, RDA, RDB) to the spring-clamp terminal block using twisted-pair cables with a conductor gauge of 24 AWG to 18 AWG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination Resistor:\u003c\/strong\u003e Set the built-in terminating resistor DIP switch to ON for nodes located at the physical ends of the RS-422A\/485 transmission line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Enclose communication lines in a 360-deg braid shield. Terminate the shield braid directly to the FG (Functional Ground) terminal at a single end to prevent ground currents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum transmission distance supported by the CPM1-CIF11 adapter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe adapter supports a maximum RS-422A\/485 transmission distance of 500 m using recommended twisted-pair cabling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the CPM1-CIF11 require an external 24 VDC power supply for operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the adapter draws its required 5 VDC operating power directly from the host PLC CPU peripheral port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the CPM1-CIF11 be connected or disconnected while the PLC CPU is energized?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, removing or attaching the adapter with power applied can disrupt bus traffic and damage peripheral interface circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical isolation is provided between the PLC CPU and the RS-422A\/485 network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe adapter incorporates photocouplers to provide optical galvanic isolation between the CPU peripheral port and the serial line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maximum baud rate does the CPM1-CIF11 support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit supports transmission speeds up to 38.4 kbps, dictated by the maximum speed of the connected CPU peripheral port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is line termination applied for end-of-line nodes in an RS-485 network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLine termination is applied by setting the integrated DIP switch on the CPM1-CIF11 housing to the ON position.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Omron controller families are compatible with the CPM1-CIF11 adapter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe adapter connects to CPM1, CPM1A, CPM2A, and CQM1 series CPUs equipped with a standard Omron peripheral port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow should the communication cable shield be grounded in field installations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe cable shield must be connected directly to the FG terminal at one point, using a 360-deg braid clamp to minimize RF interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306609459373,"sku":"CPM1-CIF11","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CPM1-CIF11_23898827-6fc2-492a-a42f-b3d81a613275.jpg?v=1789363490","url":"https:\/\/www.maxwellplc.com\/products\/omron-cpm1-cif11-communications-adapter-cpm1-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}