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AC Tech MC1000 series - Forward;Reverse with One Start Contact

AC Tech MC1000 series
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34
FORWARD and REVERSE ROTATION
1. Select REMOTE mode (see above).
2. Program Parameter 27 - ROTATION to FWD & REV to allow rotation in
both directions.
3. Program Parameter 49 - TB13C to START REVERSE. This will force TB-
12A to act as START FORWARD.
4. Select the desired rotation by closing the appropriate terminal (TB-12A for
forward, or TB-13C for reverse) to TB-2. This can be done with a toggle
switch or equivalent circuit.
5. Wire a normally open maintained contact between TB-1 and TB-2. Close
this contact to RUN the drive, and open this contact to STOP the drive.
14.2.3 ALTERNATE TWO-WIRE START/STOP CONTROL METHOD
FORWARD ROTATION ONLY
1. Select REMOTE mode (see above).
2. Program Parameter 27 - ROTATION to FWD & REV.
3. Program Parameter 49 - TB13C to RUN REVERSE. This will force TB-12A
to act as RUN FORWARD.
4. Wire a normally open maintained contact between TB-12A and TB-2. Close
this contact to RUN the drive in FORWARD, and open this contact to STOP
the drive.
FORWARD and REVERSE ROTATION with TWO RUN CONTACTS
1. Follow 1-4 above and also wire a normally open maintained contact between
TB-13C and TB-2. Close this contact to RUN the drive in REVERSE, and
open this contact to STOP the drive.
WARNING!
This method requires TB-13C to be set for RUN REVERSE, which will disable
TB-1 as a STOP switch! Incorrect use of TB-1 may result in damage to equipment
and/or injury to personnel! Refer to Parameter 49 - TB13C.

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