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Inputs
Encoder, A+, B+
Encoder Index, I+
Encoder, A-, B-, I-
Auxiliary Encoder, Aux A+, Aux
B+, Aux I+, Aux A-, Aux B-, Aux
I-
Abort
Reset
Forward Limit Switch
Reverse Limit Switch
Home Switch
Input 1 - Input 8
Input 9 - Input 16 isolated
Input 17 - Input 23 - TTL
Latch
152 • Appendices
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Position feedback from incremental encoder with two channels in
quadrature, CHA and CHB. The encoder may be analog or TTL.
Any resolution encoder may be used as long as the maximum
frequency does not exceed 8,000,000 quadrature states/sec. The
controller performs quadrature decoding of the encoder signals
resulting in a resolution of quadrature counts (4 x encoder cycles).
Note: Encoders that produce outputs in the format of pulses and
direction may also be used by inputting the pulses into CHA and
direction into Channel B and using the CE command to configure
this mode.
Once-Per-Revolution encoder pulse. Used in Homing sequence or
Find Index command to define home on an encoder index.
Differential inputs from encoder. May be input along with CHA,
CHB for noise immunity of encoder signals. The CHA- and CHB-
inputs are optional.
Inputs for additional encoder. Used when an encoder on both the
motor and the load is required.
A low input stops commanded motion instantly without a
controlled deceleration. Also aborts motion program.
A low input resets the state of the processor to its power-on
condition. The previously saved state of the controller, along with
parameter values, and saved sequences are restored.
When active, inhibits motion in forward direction. Also causes
execution of limit switch subroutine, #LIMSWI. The polarity of
the limit switch may be set with the CN command.
When active, inhibits motion in reverse direction. Also causes
execution of limit switch subroutine, #LIMSWI. The polarity of
the limit switch may be set with the CN command.
Input for Homing (HM) and Find Edge (FE) instructions. Upon
BG following HM or FE, the motor accelerates to slew speed. A
transition on this input will cause the motor to decelerate to a stop.
The polarity of the Home Switch may be set with the CN
command.
Uncommitted inputs. May be defined by the user to trigger events.
Inputs are checked with the Conditional Jump instruction and
After Input instruction or Input Interrupt. Input 1 is latch X, Input
2 is latch Y, Input 3 is latch Z and Input 4 is latch W if the high
speed position latch function is enabled.
High speed position latch to capture axis position within 20 nano
seconds on occurrence of latch signal. AL command arms latch.
Input 1 is latch X, Input 2 is latch Y, Input 3 is latch Z and Input 4
is latch W. Input 9 is latch E, Input 10 is latch F, Input 11 is latch
G, Input 12 is latch H.
DMC-1000
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