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Motion Enable Input
The Motion Enable Input MUST be connected to 24VDC in order to enable/power the motors.
The input is considered active when 24 VDC is applied to PIN 17 of I/O connector 0. If the input goes inactive, that
inactive state is latched and the ACR7000 reacts by doing the following:
• Disabling the drives
• Blocking the step generation output.
The status of the motion enable input is shown in BIT5646, where active is a cleared or 0 state, and inactive is a set
or 1 state.
When the enable input goes inactive, BIT5645 is set and latched until voltage is present again on the enable input
and either:
• The DRIVE ON command is issued for one of the Axes or,
• Clear Motion Enable Input Latch bit is asserted, SET BIT 5647
NOTE: The Motion Enable Input can be used as a part of a circuit to prevent motion and remove power from the
motors. Note that if the input is deactivated while in motion, motors will stop immedately without a deceleration
ramp.
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