Allen-Bradley Micro800 General Instructions Manual page 206

Programmable controllers

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Communication instructions

Rockwell Automation Publication 2080-RM001D-EN-E - February 2015

TRUE - When error occurs.

FALSE - No error.

Show the error code when message transfer failed.

Modbus2 error codes

Used to verify status bits:

• Bit 0: EN – Enable

• Bit 1: EW – Enable Wait

• Bit 2: ST – Start

• Bit 3: ER – Error

• Bit 4: DN – Done

Other bits are reserved.

Sub Error code value when Error is TRUE.

When a MSG is triggered, or re-triggered, a previously set SubErrorID is cleared.