# Allen-Bradley Logix Driver - Understanding Advanced Device Status from OPC Driver Tags in Ignition **URL:** \ **Category:** Ignition\ **Tags:** ignition81, vision\ **Created:** [February 21, 2025, 12:25pm UTC](https://forum.inductiveautomation.com/t/allen-bradley-logix-driver-understanding-advanced-device-status-from-opc-driver-tags-in-ignition/102689 "2025-02-21T12:25:54Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [February 21, 2025, 1:45pm UTC](https://forum.inductiveautomation.com/t/allen-bradley-logix-driver-understanding-advanced-device-status-from-opc-driver-tags-in-ignition/102689/2 "2025-02-21T13:45:05Z")
> [@Logix Device Status](https://forum.inductiveautomation.com/t/logix-device-status/24103/4): > > The CIP Spec has some generic definitions for the bits in that word in Volume 3, table 5A-2.3 and table 5A-2.4, and requires that the reserved/vendor bits there, if used, be declared in the device’s EDS file. Bit 0: "Owned". Not applicable to a processor, I would think. Bit 1: Reserved. Bit 2: "Configured". Probably always true except when at factory default. Bit 3: Reserved. Bits 4-7: 4-bit integer extended status code: 0: Self test/unknown 1: Firmware updating 2: Any Faulted I/O co… > [@Logix Device Status](https://forum.inductiveautomation.com/t/logix-device-status/24103/5): > > The following worked for me based on AB documentation of the status word. I created expression tags looking at the status word. Key Switch position. // Bits 12-13 represent key switch position. // Mask and shift right to positions 0-1. // Value - Description // 0 - Undefined // 1 - Run // 2 - Program // 3 - Remote ({[.]Status} & 12288)\>\>12 Processor Mode // Bits 4-7 represent processor mode. // Mask and shift right to positions 0-1. // Value - Description // 0 - Reserved… --- _[View the full topic](https://forum.inductiveautomation.com/t/allen-bradley-logix-driver-understanding-advanced-device-status-from-opc-driver-tags-in-ignition/102689)._