masr

When an Axis Will Not Enable: the Six Gates MSO Has to Pass Before Anything Moves

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A ladder rung with Run_Request in series with a normally closed Axis_01.AxisFault and a normally closed MSO_1.EN driving an output, with an Enable_PB contact in a parallel branch around the first contact

When an Axis Will Not Enable: the Six Gates MSO Has to Pass Before Anything Moves The MSO rung goes true on a 2198-D032-ERS3 axis, MSO_1.EN sets, and then nothing happens: no .DN, no .ER, no error code to look up, and the machine sits there. Axis_01.AxisState reads 5. Five is Inhibited, and a start … Read more

MSO, MSF and MASD on a Logix Axis: Enabling It, Dropping It, and the One That Opens the OK Contact

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Four boxes - Stopped, Running, Shutdown, Faulted - with MSO, MSF, MASD, MASR and MAFR on the arrows between them

MSO, MSF and MASD on a Logix Axis: Enabling It, Dropping It, and the One That Opens the OK Contact An MSO against a 2198-D032-ERS4 axis sets ServoActionStatus and DriveEnableStatus, and it does not set its own .DN bit in the scan that fired it. On a 2 ms coarse update period the drive answers … Read more

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