MH: Motor Home: EXP Bus Protocol Reference¶
Understanding EXP board addressing
This command is used with FAST Expansion and FAST breakout boards via a FAST Serial Protocol (FSP) connection to the EXP Bus. Please read the EXP Overview to understand the operation of these commands and addresses.
This command is used to run a motor on the expansion bus in the reverse direction until it reaches the home switch. This can be an expansion board (with a 2-character address) or a breakout board (with a 3-character address).
Command Syntax¶
MH:<index>[,time_ms>]<cr>
<index>¶
This is the motor number you want to update. Individual motors are accessed numbered 0-31 (hex 00 - 1F) since that's the maximum number of motors that can be attached to a single breakout board.
<time_ms>¶
Optional maximum time to run in milliseconds, ranging from 0-65535 (0000 - FFFF hex). Motor will halt if it hasn't ativated the home switch in this time.
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