Module State Transition - Honeywell ML200 Series Installation And Commissioning Manual

LED
LED indicators for ML200R
The following table describes the LED indicators for ML200R.
Table 26: LED indicators for ML200R
LED
RUN/STOP
LED
WAR LED
ERR LED
BAT LED

Module state transition

The ML200-IEC and ML200R have three operation modes. Each mode describes the operation process
of the PLCs.
RUN mode
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Description
Expansion base power error.
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Red Blink: Arithmetic Operation Error during RUN.
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OFF: Normal operation.
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Description
Specifies the operation status of the CPU module.
Green light: 'RUN' mode; the module is in operation.
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'RUN' operation by the operation mode switch.
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'RUN' operation by the programming tool with the operation mode
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switch in 'REM'.
Red light: 'STOP' mode; the module is in operation.
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'STOP' operation by the operation mode switch.
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'STOP' operation by the programming tool with the operation mode
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switch in 'REM'.
ON(YELLOW): Warning
OFF: Normal
ON(RED): Critical Error
OFF: Normal
Four-digit display of the Operation Status (Refer to ML200R Error
code)
Normal Operation
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Warning
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Error
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Chapter 3 - Plan and Install MLPLC
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