Owner`s manual

Manual Control Startup
8
Belt Speed Calibration
CLOSED LOOP -- DART MICRODRIVE MDP
1. Remove the top cover. The internal dip switch
is located next to the transformer.
O
N
Dip Switch Detail
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Figure 6
PROGRAMMING THE MDP CONTROL
NOTE: Any variable can be changed WITHOUT re -
setting the others.
To En te r the Pr o g r a m M o d e
1. Set DIP switches 1, 2, 3, 4, 5, 6 and 8 to OFF.
Set DIP switch 7 to ON. The motor stops.
2. The display reads PROG.
NOTE: In rate mode the current decimal point
is also displayed.
Time or Rate Mo de (Displayed Decimal Place)
This allows settings to be made in the proper units.
1. Set D IP switch 4 to ON.
2. The current decimal point (if any) will be lit.
The display gives the current value of the deci-
mal place variable. To change press the up or
down arrow k eys. Use 0-4 for the rate mode.
Use5forthetimemode.
NOTE: The decimal point will not be lit if the
unit is currently in the time mode.
3. When finished, flip DIP switch 4 to OFF.
4. The display reads PROG.
KConstant
1. Flip DIP sw itch 1 to ON.
2. The display gives t he current value for the
constant. To change press the up or down ar-
row keys.
NOTE: For ovens with a 70” (178 cm) tunnel
the preset constant is 5:20. F or ovens
with a 55” (140 cm) tunnel the preset
constant is 4:08.
3. When finished, set DIP switch 1 to OFF.
4. The display reads PROG.
NOTE: If you change the constant, the display set-
ting will be set to the slowest speed when
you exit the programming mode.
Minimum Setting
1. Flip DIP sw itch 2 to ON.
2. The display gives the current value for the low-
er limit. To change press the up or down arrow
keys.
3. When finished flip DIP sw itch 2 to OFF.
4. The display reads PROG.
Maximum Setting
1. Flip DIP sw itch 3 to ON.
2. The display gives the current value for the up-
perlimit.Tochangepresstheupordownar-
row keys.
3. When finished flip DIP sw itch 3 to OFF.
4. The display reads PROG.
To Ex it the P r o g r a m Mo de
1. Make sure DIP sw itch 5 (Master/Follower
Mode select) is in the desired position
(ON = Follower; OFF= Master).
NOTE: In most cases DIP switch 5 should be
set to the master position (OFF).
2. Set D IP switches 1, 2, 3, 4, 6 and 8 to OFF.
3. If satisfied with programming values, set DIP
switch 7 to OFF. The control operates using
the new programmed variables.
CHECKING THE BELT SPEED CALIBRA TION
Placeapanonthebeltandstarttheconveyor.
1. Begin timing the belt’s speed when the trailing
edge of the pan enters the oven.
2. End the timing cycle when the trailing edge of
the pan exits the oven.
3. If the displayed time differs from the actual more
than 5 seco nds, reprogram the K constant.