{"product_id":"abb-cma120-audio-amplifier-module","title":"ABB CMA120 Audio Amplifier Module","description":"\u003cp\u003eConfigured for discrete signal execution in ABB process control architectures, the \u003cstrong\u003eABB CMA120\u003c\/strong\u003e (\u003cstrong\u003eCMA120\u003c\/strong\u003e Commercial Audio Mixer Amplifier) provides direct physical\/electrical execution. Operating as a 6-channel unit within system processing network platforms, this hardware assembly converts field control audio logic signals across dedicated internal backplanes.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003eCMA120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e28.50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Rack Mount Assembly\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\u003eStandard Backplane Bus Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Category\u003c\/td\u003e\n\u003ctd\u003eCommercial Audio Mixer Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e6 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Finish\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe execution architecture of the ABB CMA120 supports deterministic signal conversion within automated plant systems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e Parallel bus registers allow high-density audio signal exchange across backplane channels with microsecond-level switching latency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e Integrates 6 independent control audio channels into a centralized 28.50 lbs enclosure, optimizing panel layout density.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e Standard memory bus layout guarantees transparent compatibility with ABB automation executive firmware platforms without requiring manual parameter mapping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is hot-swapping permitted for the CMA120 module during operation?\u003c\/p\u003e\n\u003cp\u003eA: No, primary power to the rack backplane and audio line connections must be completely de-energized prior to inserting or removing the unit to protect signal processing circuits.\u003c\/p\u003e\n\u003cp\u003eQ: How are the 6 audio channels interfaced to field devices?\u003c\/p\u003e\n\u003cp\u003eA: Field wiring connects via dedicated terminal strips mounted on the rear of the amplifier unit, maintaining isolation from high-voltage system lines.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eDuring field mounting and connection of the CMA120 in control panels, observe standard engineering procedures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate main cabinet AC power prior to hardware mechanical mounting and wiring procedures.\u003c\/li\u003e\n\u003cli\u003eEnsure grounded ESD wrist straps are worn when handling exposed connectors or card edges during installation.\u003c\/li\u003e\n\u003cli\u003eMount the module securely using all designated rack-mount fasteners to support the 28.50 lbs frame safely.\u003c\/li\u003e\n\u003cli\u003eMaintain clean routing separation between low-voltage audio signal lines and motor supply cables to eliminate electrical crosstalk.\u003c\/li\u003e\n\u003cli\u003eConnect shield wires to the central panel earth bus bar at a single point to prevent ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45341519741043,"sku":"CMA120","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-11_11-31-03_fcdb34e6-11f0-471f-aa80-155fbd8be96c.png?v=1786420548","url":"https:\/\/www.dcssupplier.com\/products\/abb-cma120-audio-amplifier-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}