46 ● BI DMC-40x0 Command Reference
BI
FUNCTION: Brushless Inputs
DESCRIPTION:
The command BI is used to define the inputs which are used when Hall sensors have been wired
for sinusoidally commutated motors. These inputs can be the general use inputs (bits 1-8), the
auxiliary encoder inputs (bits 81-96), or the extended I/O inputs (bits 17-48). The Hall
sensors of each axis must be connected to consecutive input lines, for example: BI 3 indicates
that inputs 3,4 and 5 are used for halls sensors.
The brushless setup command, BS, can be used to determine the proper wiring of the hall sensors.
ARGUMENTS: BI n,n,n,n,n,n,n,n or BIA=n where
n is an unsigned integer which represent the first digital input to be used for hall sensor input
n = 0 Clear the hall sensor configuration for the axis.
n = ? Returns the starting input used for Hall sensors for the specified axis.
USAGE: DEFAULTS:
While Moving Yes Default Value 0
In a Program Yes Default Format 0
Command Line Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_BIn contains the starting input used for Hall sensors for the specified axis.
EXAMPLE:
BI, 5 The Hall sensor of the Y axis are on inputs 5, 6 and 7.
RELATED COMMANDS:
BA Brushless Axis
BB Brushless Phase Begins
BC Brushless Commutation
BD Brushless Degrees
BM Brushless Modulo
BO Brushless Offset
BS Brushless Setup
BZ Brushless Zero
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