Allen-Bradley Logix Driver - Understanding Advanced Device Status from OPC Driver Tags in Ignition

[Kevin.Herron]

Logix Device Status

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

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…