mmc series step motion systems

WIN\MMC\MMC40MAN.WRI 11-98
MMC SERIES STEP MOTION SYSTEMS
WITH MS 4.0 DRIVERS
(FOUR AMP COIL DRIVERS)
OPERATION AND INSTALLATION MANUAL
SECTION 1:
MMC DRIVER CASE
General Description. The MMC 4.0 (4 amps/coil) series is identical to the MMC 2.0 (2 amps/coil)
series with the following exceptions:
1)
The unit supports 4 amps of motor current; factory pre-set is 4 amps.
2)
The unit may require additional cooling across the heat-sink or mounting
the bottom of the enclosure to a heat-sinking surface.
3)
The unit supports Full, Half, Quad, and Octal stepping angle.
4)
All units are Auto-Park (AP); park power is pre-set to 50% of the
current adjustment dial. It is not necessary to de-select a motor to prevent
over-heating as with the MMC 2.0 series.
5)
Current and Step Angle Setting. POWER-OFF WHEN SETTING !
Remove controller card only as directed ! Place MMC unit upside-down
with the connectors to the front:
A)
Remove the bottom to access the controller and amplifier cards;
remove only the nine 4/40 hex-head (front and two sides)and three
cks screws only.
B)
Disconnect only the two (or six) pin card power connector (upperC)
Remove the rear only controller card mounting screws; two each
hex; two front posts are hinged.
D)
Fold controller card and cables forward (tip up rear edge; max of 45
degrees) to expose amps. It should not be necessary to un-plug any
cables.
(rear)
right).
4/40
other
If required, adjust the blue pot located on the amplifier card edge to
reduce output current as required; pot is normally set to 4.0 amps; full CW.
Select the two jumper blocks for the desired step angle per the following:
JP1
JP2
STEP ANGLE
OPEN
OPEN
JUMP
JUMP
OPEN
JUMP
OPEN
JUMP
1/8 STEP
1/4 STEP
1/2 STEP
1/1 STEP
(norm. not used; call Service Center)
(factory pre-set)
(not recommended)
(used for hi-speed or hi-power only)
NO OTHER SERVICE IS POSSIBLE. CALL THE TMG SERVICE CENTER FIRST !
MMC 4.0 SMD ASSEMBLY TOP VIEW
MMC POWER SUPPLY WIRING DIAGRAM
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