OMS MAXnet, User Manual

Page: 36 / 67

CONTROL SIGNAL INTERFACE MOTOR CONTROL OUTPUT
MAXnet User’s Manual
4-4
4.5.2. ANALOG OUTPUTS
Up to 12* analog outputs p/- 10V outputs via the 16-bit digital to analog converters
(DAC). Each servo axis requires a dedicated DAC. There are six DACs and a maximum of five
axes on the MAXnet controller and another six DACs and up to five axes on the MAXnet
expansion board. So there is always at least one general purpose analog output available. For
every available axis that is not being used as a servo motor, there is a general purpose analog
output available. Each DAC has a +/- 15mA maximum output current.
4.6. MOTOR CONTROL OUTPUT
The MAXnet is configured at the factory to control open loop stepper motors. Upon installation,
axes can be configured for servo motors, open loop steppers, stepper motors with encoder
feedback or a combination thereof. The servo output may be either unipolar analog (0/+10V) or
bipolar analog (-10/+10 V). Each axis configured as a servo motor uses one analog output.
Step pulse and direction outputs are active drive TTL level ouput signals which will wire directly
into most driver inputs.
Auxiliary outputs are active drive TTL outputs.
Each step, direction, and auxiliary output has a +/- 20mA maximum output current.
FIGURE 4-1 CONNECTION TO STEP DRIVES WITH OR WITHOUT INTERNAL PULL-UP
RESISTORS
* The MAXnet controller has 6 analog outputs. With the MAXnet expansion board used for 6 - 10 axes of motion, MAXnet
has 6 additional analog outputs. MAXnet can also be customized for other I/O solutions with the expansion board.
Aux
Step
Direction
+5V
Ground
Enable
Step/Clock
Direction
Opto +5V Supply
Ground (Opto)
MAXnet Drive