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CME 2 User Guide Basic Setup

Copley Controls 37

…Feedback Options, continued:

Stepper Amplifiers Only

Motor Encoder

Select the encoder type:

 None

 Primary incremental

Run in Servo Mode

(With encoder only.) Amplifier operates as a true, closed loop, servo

amplifier controlling a stepper motor.

Enable Encoder

Correction

(With encoder only.) Amplifier runs as a stepper drive; encoder

feedback is used to correct positional errors. See Encoder Correction

(p. 142).

For more information see Motor/Feedback (p. 41).

4.4: Operating Mode Options

View or change the settings described below. Options vary with amplifier model.

Setting

Description

Operating Mode

Choose the mode of operation: Current, Velocity, or Position.

See Servo Operating Modes and Control Loops (p. 11).

Command Source

Choose the command input source:

 Analog Command: Analog voltage provides command input.

See Command Inputs (p. 69).

 PWM command (current and velocity mode only): Digital pulse-width

modulated signal provides command input.

See Command Inputs (p. 69).

 Function Generator: Internal function generator provides command

input.

 Software Programmed: The amplifier is controlled by software

commands from either the Copley Virtual Machine (CVM) or an external

source. See Copley Indexer Program User’s Guide or the Copley ASCII

Interface Programmer’s Guide.

 Camming: Runs in Camming Mode. See Copley Camming User Guide.

 Digital Input: Command input is provided via the chosen Input Source

(below). See Digital Position Input Settings (p. 76).

 CAN: Command input is provided over the CANopen network. See the

CANopen Programmer’s Guide.

Input Source

Choose the input source for PWM or Digital input commands:

 Single-ended Inputs: Command input is provided via two of the

amplifier’s programmable digital inputs.

 Multi-mode Port: Command input is provided via differential inputs on the

amplifier’s multi-mode port.

 Differential Inputs: Command is provided via differential inputs.

 High Speed Inputs. Command is provided via two of the amplifier’s high

speed inputs.