SIXpack 2 – Manual (V1.10 / January 29
th
, 2010)
18
5.5.2.2
Wiring with stop-switches
To prevent driving beyond the ends of a linear axis stop-switches can be used. They are connected to pin „A_In“ of
the motor connector. Again, openers should be used as stop-switches for the reason mentioned above.
SIXpack 2
A_ln
GND
5V
2k2
2k2
Stop_L
Stop_R
Figure 5.9: Connecting two end switches
5.5.2.3
Wiring with combined Stop-/Reference Switch when using Openers
Mounting the reference switch at one of the ends of the axis it, can be concurrently used as stop-switch thus
saving the respective stop-switch.
SIXpack 2
A_ln
GND
5V
2k2
2k2
op
tion
al
S
top
_R
R
ef.
sw
itch
2k2
Figure 5.10: Combination of reference and end switches
Note: In this circuit the reference switch is concurrently used as left stop switch if flag
StopNull
is set. The flag
NullPositive
has to be set, to match the opener. Reference search is done in left direction (flag
NullLeft
set). Refer
to CMD $15.
5.5.3
Reference search software configuration
Most settings for the reference search are adjusted with the command
SetMotorParameters
(CMD $15, SQPack-tab:
“Reference search”).
5.5.3.1
Calculation of value range
The positioning is defined by the motors count of micro steps. The pack has 16 microsteps per full step. The angle
the motor moves for each full step depends on the motor and can be seen in the motors' manual.
