{"product_id":"1756-l72eroms-allen-bradley-armor-guardlogix-controller-controllogix-5570","title":"1756-L72EROMS Allen-Bradley Armor GuardLogix Controller ControlLogix 5570","description":"\u003cp\u003eConfigured for standard and safety control execution over EtherNet\/IP in an On-Machine architecture, the \u003cstrong\u003eAllen-Bradley 1756-L72EROMS\u003c\/strong\u003e (\u003cstrong\u003e1756-L72EROMS\u003c\/strong\u003e Armor GuardLogix Controller) provides 4 MB standard memory, 2 MB safety memory, dual independent EtherNet\/IP interfaces, and a 24 VDC power interface. Rockwell Automation identifies the catalog number as an Armor GuardLogix 5570 controller.\u003c\/p\u003e\n\u003ch3\u003eModel and Variant Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L72EROMS is the safety version of the Armor ControlLogix 5570 controller family. The manufacturer specifies 4 MB of standard memory and 2 MB of safety memory. Unlike the standard 1756-L72EROM, the safety model does not list the 0.98 MB I\/O memory allocation or the 128,000-point I\/O limits in the current technical data.\u003c\/p\u003e\n\u003cp\u003eThe suffix OMS identifies the Armor GuardLogix safety controller variant. Rockwell Automation distinguishes the 1756-L72EROMS from the standard 1756-L72EROM by its safety control capability and safety memory allocation.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\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\u003e1756-L72EROMS\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix 5570\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eArmor GuardLogix Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003eNot specified for 1756-L72EROMS in the current manufacturer table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Total I\/O\u003c\/td\u003e\n\u003ctd\u003eNot specified for 1756-L72EROMS in the current manufacturer table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Analog I\/O\u003c\/td\u003e\n\u003ctd\u003eNot specified for 1756-L72EROMS in the current manufacturer table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Digital I\/O\u003c\/td\u003e\n\u003ctd\u003eNot specified for 1756-L72EROMS in the current manufacturer table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e4 M12 Category 5e Ethernet ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Network\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Topology\u003c\/td\u003e\n\u003ctd\u003eDevice Level Ring capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eUSB 1.1 Full Speed, 12 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput System Power Interface\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC at 8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Pass-Through Power\u003c\/td\u003e\n\u003ctd\u003eSELV, 18-32 VDC at 8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput External Power\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC at 6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Pass-Through Power\u003c\/td\u003e\n\u003ctd\u003eSELV, 18-32 VDC at 8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous, basic insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eUL Type 4\/4x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP67 when marked and correctly fitted with receptacle dust caps or cable termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonoperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 7.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Dimensions\u003c\/td\u003e\n\u003ctd\u003e240.0 x 292.0 x 164.52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States of America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eRockwell Automation specifies approximately 7.15 kg for the 1756-L72EROMS and dimensions of 240.0 x 292.0 x 164.52 mm. The supplied 0.26 kg weight and 3.5 x 114.3 x 14.5 cm shipping dimensions do not correspond to the manufacturer's published hardware data and should not be treated as product dimensions.\u003c\/p\u003e\n\u003ch3\u003eFunctional Safety and Network Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L72EROMS is classified by Rockwell Automation as an Armor GuardLogix controller. The Armor GuardLogix family supports safety applications up to SIL 3 and Performance Level PLe, Category 4, when configured and used according to the applicable safety documentation.\u003c\/p\u003e\n\u003cp\u003eThe controller provides dual independent EtherNet\/IP ports and Device Level Ring capability. The network architecture is intended to maintain communication through a single network connection failure when configured as a DLR network.\u003c\/p\u003e\n\u003cp\u003eThe safety controller supports Relay Ladder Logic, Structured Text, Function Block Diagram, and Sequential Function Chart for standard controller programming. The safety task supports Relay Ladder Logic and the specified additional safety instructions.\u003c\/p\u003e\n\u003cp\u003eController redundancy is not supported for the Armor ControlLogix and Armor GuardLogix 5570 controllers.\u003c\/p\u003e\n\u003ch3\u003eSafety Memory and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L72EROMS contains 2 MB of dedicated safety memory in addition to its 4 MB standard memory allocation. The safety memory differentiates this controller from the standard 1756-L72EROM.\u003c\/p\u003e\n\u003cp\u003eRockwell Automation states that the functional safety certification is applicable when the controller is used with specified firmware revisions and according to the relevant GuardLogix safety reference documentation. The safety rating should therefore be evaluated together with controller firmware, application configuration, and the associated safety I\/O architecture.\u003c\/p\u003e\n\u003cp\u003eThe USB interface is intended for temporary local programming and is not intended for permanent connection.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-L72EROMS Armor GuardLogix 5570 Controller\u003c\/li\u003e\n\u003cli\u003e1 x Integrated controller enclosure and electronics assembly\u003c\/li\u003e\n\u003cli\u003e1 x Embedded USB programming interface\u003c\/li\u003e\n\u003cli\u003e1 x Integrated Ethernet communication interface\u003c\/li\u003e\n\u003cli\u003e1 x Secure Digital memory card interface\u003c\/li\u003e\n\u003cli\u003eMemory cards are selected according to the supported Armor GuardLogix accessories and are not automatically assumed unless specified by the individual order configuration.\u003c\/li\u003e\n\u003cli\u003eExternal 24 VDC power wiring, Ethernet cables, mounting hardware, and safety I\/O devices are separate system components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Wiring Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePower connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse a 24 VDC source within the specified 18-32 VDC input range.\u003c\/li\u003e\n\u003cli\u003eSize the incoming power circuit for the published 8 A system power interface.\u003c\/li\u003e\n\u003cli\u003eVerify polarity and connector pin assignments before energizing the controller.\u003c\/li\u003e\n\u003cli\u003eObserve the separate pass-through and external output power ratings when supplying additional On-Machine equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEtherNet\/IP connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse compatible M12 Ethernet connections and suitable industrial twisted-pair cable.\u003c\/li\u003e\n\u003cli\u003eThe manufacturer specifies Category 5e Ethernet cabling and shielded or unshielded twisted-pair construction.\u003c\/li\u003e\n\u003cli\u003eKeep Ethernet wiring separated from high-energy switching conductors.\u003c\/li\u003e\n\u003cli\u003eFor DLR operation, verify the intended ring topology before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the protective earth conductor according to the specified grounding arrangement.\u003c\/li\u003e\n\u003cli\u003eThe manufacturer specifies PE ground conductor sizes from 1.3 to 5.2 mm2 and a terminal torque of 2 N m.\u003c\/li\u003e\n\u003cli\u003eAvoid unintended shield-current paths through multiple grounding points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain an ambient operating temperature from 0 to 60 deg C.\u003c\/li\u003e\n\u003cli\u003eMaintain relative humidity within 5 to 95% noncondensing.\u003c\/li\u003e\n\u003cli\u003eThe enclosure is rated UL Type 4\/4x.\u003c\/li\u003e\n\u003cli\u003eThe product meets IP67 when marked and the receptacle dust caps or cable terminations are correctly installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the standard memory of the 1756-L72EROMS?\u003c\/strong\u003e\u003cbr\u003eThe controller provides 4 MB of standard memory. It is paired with a separate 2 MB safety memory allocation for GuardLogix safety applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow much safety memory is provided?\u003c\/strong\u003e\u003cbr\u003eThe 1756-L72EROMS provides 2 MB of safety memory. This is the primary memory distinction from the standard 1756-L72EROM controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the controller support SIL 3?\u003c\/strong\u003e\u003cbr\u003eYes. Armor GuardLogix 5570 controllers are capable of SIL 3 and PLe Category 4 when used with specified firmware and the required safety system architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat Ethernet interfaces are integrated?\u003c\/strong\u003e\u003cbr\u003eThe controller provides 4 M12 Category 5e Ethernet ports. Its architecture supports dual independent EtherNet\/IP connections and DLR capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the USB interface specification?\u003c\/strong\u003e\u003cbr\u003eThe local programming interface is USB 1.1 Full Speed at 12 Mbps. Rockwell Automation specifies that the USB port is intended for temporary programming use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat supply voltage is required?\u003c\/strong\u003e\u003cbr\u003eThe nominal input voltage is 24 VDC, with an allowed range of 18-32 VDC. The published system power interface is rated at 8 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs controller redundancy supported?\u003c\/strong\u003e\u003cbr\u003eNo. Rockwell Automation specifies that controller redundancy is not supported for the Armor ControlLogix and Armor GuardLogix 5570 family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the environmental temperature range?\u003c\/strong\u003e\u003cbr\u003eThe specified operating range is 0 to 60 deg C. Nonoperating storage is specified from -40 to +85 deg C, with 5 to 95% noncondensing humidity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066417893549,"sku":"1756-L72EROMS","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-l72eroms_1.jpg?v=1786978909","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1756-l72eroms-allen-bradley-armor-guardlogix-controller-controllogix-5570","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}