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1.2
Motor Power Requirements
Section 1 — Introduction and Overview
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Once an I/O line is selected to control an open-motor relay, it cannot be
used for general-purpose interface.
If the interface box is used with MM2000 firmware version 1.4 or earli-
er, the I/O bits must be toggled manually through the use of the BO, CB
and SB commands. A high bit turns the motors off.
For ESP6000 Only:
This information is the same as MM2000, with the following exceptions:
• I/O's 4, 5, 6, and 7 are performed by Amplifier Enable Output lines of
their respective axes. Jumpers have the same function of enabling and
disabling the operation of the Amplifier.
2. Used as a Pass-Through Box
When used as a pass-through box with a driver unit (MD4 or similar), the
DC Interface Box fans out the command and feedback signals to one auxil-
iary and four axis interface connectors. To eliminate the possibility of
unwanted motor movement during the controller's power ON/OFF cycles,
special circuitry monitors all voltages and disables the command signals
to the driver during all power transactions.
DC Module of the MM2000 has a built-in amplifier capable of driving small
DC motors up to 200 mA.
Due to power supply constraints of the typical PC, the applications with
the MM2000, are limited to only two actuators moving at a time. The DCIB
DC Module is capable of driving small DC motors up to 400 mA.
If increased power requirements are needed by the user, or to avoid draw-
ing power from the PC power supply, the user can drive the system using
the Universal Interface Box with plug-in DC Modules.
When DC Modules are used, an external power source is always required.
The DCIB has a built-in low voltage power supply, which has advanced
voltage monitoring capabilities.
NOTE
NOTE
1-3
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