Motor/Driver Interface (100-To-68 Pin) Cable - Newport ESP6000 User Manual

Encoder B(–) Input
The B(–) input is pulled-up to +5 volts and pulled down to ground with
1KΩ resistors. This facilitates both single- and double-ended signal
handling into a 26LS32 differential receiver. The B(–) encoder encoded
signal originates from the stage position feedback circuitry and is used for
position tracking.
Reset Output From Controller
The Reset output is a TTL-buffered output which represents ESP6000
hardware reset status of the controller itself. When the controller is held
in a reset state this output is a logical LOW. When connected to the
UniDrive6000 this output resets all driver channels.
Servo DAC Output
The servo digital-to-analog converter (DAC) output is the ±10 volt control
signal used to control DC servo motors. This signal is the output of the
18-bit servo DAC.
Step Output
The Step Output is an open collector (i.e., 7407) output pulled-up to +5
volts with a 1KΩ resistor. This output is used to control the commutation
sequence of a stepper motor. The motor will increment one step for each
'pulse' output.
Step/Direction Output
The Step/Direction Output is an open collector (i.e., 7407) output pulled-
up to +5 volts with a 1KΩ resistor. This output is used to control the
commutation sequence of a stepper motor. In +Step/-Step mode, the motor
will increment one step for each 'pulse' output. In Step/Direction mode,
this signal will control the direction of motor rotation.
Travel (+)Limit Input
This input is pulled-up to +5 volts with a 4.7KΩ resistor and represents the
stage positive direction hardware travel limit. The active true state is
user-configurable, the default is active HIGH.
Travel (–)Limit Input
This input is pulled-up to +5 volts with a 4.7KΩ resistor and represents the
stage negative direction hardware travel limit. The active true state is
user-configurable, the default is active HIGH.
C.1.2 Motor/Driver Interface (100-to-68 Pin) Cable
This cable interfaces the ESP6000 controller card to the Universal Inter-
face Box (UIB). Connector pin-outs are listed in Table C.1-2 and functional
descriptions are provided in the following paragraphs.
C - 6
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