Curtis 1222 Manual, os 15
39
2 9 J A N U A R Y 2 0 1 3 D R A F T
3 — PROGRAMMABLE PARAMETERS: Position Feedback Parameters
POSITION FEEDBACK DEVICE 1 – ENCODER3 and 4: HOMING
ALLOWABLE
PARAMETER RANGE DESCRIPTION
Input Type 0 – 2 Defines which inputs will be used to determine Home position.
0x407E 0x00 0 – 2 0 = Single NO switch (switch 2 input).
1 = Single switch with NO and NC contacts (same as two switches with
crossed polarity: switch 2 is NO and switch 4 is NC).
2 = Two switches with the same NO polarity (switch 2 is NO and
switch 4 is NO).
Home on Interlock 0 – 1 Defines when the homing function is activated.
0x4075 0x00 0 – 1 0 = Home when keyswitch is turned On.
1 = Homing on first Interlock = On. If the interlock signal is turned off
during the homing, the homing procedure is paused (PWM off) and
will resume when the interlock becomes active again.
Homing Direction Method 0 – 3 Defines which method is used to find Home position. The method
0x407C 0x00 0 – 3 determines the initial direction the homing function takes and on which
edge the homing function is complete.
0 = Left of positive Home switch.
1 = Right of positive Home switch.
2 = Right of negative Home switch.
3 = Left of negative Home switch.
Methods 0 and 1 use a Home switch that is On if the wheel is to the
right of it and Off if the wheel is to the left of it. At the start of homing
the wheel will move to the left if the Home switch is On and to the right
if it is Off. The home position is just to the left of the switch transition in
method 0 and just to the right of the switch transition in method 1.
Methods 2 and 3 use a Home switch that is On if the wheel is to the
left of it and Off if the wheel is to the right of it. At the start of homing
the wheel will move to the right if the Home switch is On and to the left
if it is Off. The home position is just to the right of the switch transition in
method 2 and just to the left of the switch transition in method 3.
PCF
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