User manual

TMCM-1140 TMCL Firmware V1.19 Manual (Rev. 1.01 / 2012-JUL-27) 65
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Number
Axis Parameter
Description
Range [Unit]
Acc.
140
Microstep
resolution
0
full step
1
half step
2
4 microsteps
3
8 microsteps
4
16 microsteps
5
32 microsteps
6
64 microsteps
7
128 microsteps
8
256 microsteps
0… 8
RWE
149
Soft stop flag
If cleared, the motor will stop immediately
(disregarding motor limits), when the
reference or limit switch is hit.
0/1
RWE
153
Ramp divisor
The exponent of the scaling factor for the
ramp generator- should be de/incremented
carefully (in steps of one).
0… 13
RWE
154
Pulse divisor
The exponent of the scaling factor for the
pulse (step) generator – should be
de/incremented carefully (in steps of one).
0… 13
RWE
160
Step
interpolation
enable
Step interpolation is supported with a 16
microstep setting only. In this setting, each
step impulse at the input causes the
execution of 16 times 1/256 microsteps. This
way, a smooth motor movement like in 256
microstep resolution is achieved.
0 – step interpolation off
1 – step interpolation on
0/1
RW
162
Chopper blank
time
Selects the comparator blank time. This time
needs to safely cover the switching event and
the duration of the ringing on the sense
resistor. For low current drivers, a setting of 1
or 2 is good.
0… 3
RW
163
Chopper mode
Selection of the chopper mode:
0 – spread cycle
1 – classic const. off time
0/1
RW
164
Chopper
hysteresis
decrement
Hysteresis decrement setting. This setting
determines the slope of the hysteresis during
on time and during fast decay time.
0 – fast decrement
3 – very slow decrement
0… 3
RW
165
Chopper
hysteresis end
Hysteresis end setting. Sets the hysteresis end
value after a number of decrements.
Decrement interval time is controlled by axis
parameter 164.
-3… -1
negative hysteresis end setting
0
zero hysteresis end setting
1… 12
positive hysteresis end setting
-3… 12
RW
166
Chopper
hysteresis start
Hysteresis start setting. Please remark, that
this value is an offset to the hysteresis end
value.
0… 8
RW