The 1769-L33ERMSK controller is a Compact GuardLogix 5370 controller designed and manufactured by Allen-Bradley/Rockwell Automation. The 1769-L33ERMSK controller offers superior control capabilities along with perfect communication and I/O functionality. This controller is approved for applications with high safety requirements, thus complying with Safety Integrity Level and Performance Level criteria. The controller can provide information about the probability of failure rates and use them for the adjustment of system reaction settings. Also, the controller can execute functional-verification tests. It is important to mention that this industrial-grade controller is in accordance with various standards for use in hazardous locations.

The 1769-L33ERMSK controller supports up to 32 tasks and 100 programs per task. The controller has an additional safety task. The controller has internal energy storage and it does not require a battery. The controller operates through the EtherNet/IP network and it supports different topologies. The 1769-L33ERMSK controller features dual Ethernet with DLR capability and kinematics with an integrated safety function. This Compact GuardLogix 5370 model has 8 CIP motion axes and is designed for up to 16 local compact I/O modules. The 1769-L33ERMSK controller has an onboard user memory with a capacity of 2 megabytes (standard) and 1 megabyte (safety). The controller supports more than 1 SD memory card, which can be a 1 or 2-gigabyte version. This controller comes with a single 1 gigabyte SD card (1784-SD1) for storage. The 1769-L33ERMSK controller can be mounted directly on a panel and it supports DIN rail mounting. Depending on the system, the controller can be placed in either a vertical or horizontal position. The controller includes a conformal coating and it operates at temperatures between 0 and 60 degrees Celsius (32 and 140 degrees Fahrenheit).