{"product_id":"siemens-6es7322-1bh01-0aa0-digital-i-o-cards","title":"Siemens 6ES7322-1BH01-0AA0 Digital I\/O Cards","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens 6ES7322-1BH01-0AA0\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e6ES7322-1BH01-0AA0\u003c\/strong\u003e Digital Output SM 322, operates as a dedicated hardware component for driving discrete electronic field loads within SIMATIC S7-300 automation platform systems.\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\u003e6ES7322-1BH01-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany (DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2 kg (4.41 lbs) shipping weight \/ Approx. 190 g net weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 mm x 125 mm x 120 mm (Width x Height x Depth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F) horizontal mounting configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 4.9 W power losses \/ 80 mA max current draw from backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Outputs\u003c\/td\u003e\n\u003ctd\u003e16 galvanically isolated digital outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Grouping\u003c\/td\u003e\n\u003ctd\u003e2 groups of 8 channels each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e0.5 A per channel continuous rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Module Current\u003c\/td\u003e\n\u003ctd\u003eMax. 4 A per group \/ Max. 8 A per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Connector\u003c\/td\u003e\n\u003ctd\u003e1x 20-pole standard terminal strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSiemens Industrial Control and Drive Coordination\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity Licences:\u003c\/strong\u003e The module links mechanically to the passive S7-300 U-connector system, mapping its 16-bit physical output image register directly into the CPU's peripheral memory block. This high-speed backplane interface enables sub-millisecond execution synchronization with the primary controller scan loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e The 16-channel, 40 mm wide module footprint enables space-efficient distribution within standard DIN-rail enclosures. Two separate isolated 8-channel banks allow engineers to route distinct 24 VDC supply sources to individual groups, facilitating segmented field emergency-off or safety-related safety zone grouping without physical sub-rack expansions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific electrical protection and fault behavior manifests if a short-circuit occurs on a single output channel?\u003c\/p\u003e\n\u003cp\u003eA: The SM 322 module features internal electronic short-circuit protection on every channel. If an overload or dead short-circuit crosses the individual current rating threshold, the solid-state switch limits the current, reduces the terminal potential, and automatically recovers nominal operation once the physical field fault is extracted.\u003c\/p\u003e\n\u003cp\u003eQ: Can this digital output module be hot-swapped inside a standard S7-300 tier while the CPU is executing logic?\u003c\/p\u003e\n\u003cp\u003eA: No. Standard S7-300 configurations do not support live hot-swapping on standard backplane bus structures. Removing or inserting the 6ES7322-1BH01-0AA0 module while the rack is energized can disrupt backplane data framing and induce electrical arcs across the 20-pole front connector pins. Always isolate the system power supplies before physical extraction.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45139770146931,"sku":"6ES7322-1BH01-0AA0","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-29_13-40-06_15111eaa-632e-4237-adb9-995d7bc8632e.png?v=1782713612","url":"https:\/\/www.dcssupplier.com\/products\/siemens-6es7322-1bh01-0aa0-digital-i-o-cards","provider":"DcsSupplier Limited","version":"1.0","type":"link"}