Rockwell-automation 1391ES AC Servo Controller User Manual download pdf (Page 28)

Chapter

5-26

Inputs, Outputs and Adjustments

Chapter Objectives Chapter 5 contains descriptions of the various inputs and outputs available

on the 1391B-ES Servo Controller. Additionally, a comprehensive listing

and description of the potentiometer and switch adjustments is provided. In

some cases adjustment methods are provided for use during start-up. This

information is provided to help you understand some of the important

aspects about the controller prior to the actual installation and start-up. For

information on shunt regulator adjustments, refer to Chapter 9.

Inputs/Outputs The following paragraphs provide detailed descriptions of the various

inputs and outputs available for the 1391B-ES. See Figure 5.2 for terminal

block locations.

Terminal Block - TB1

Resolver Signals (TB1, Terminals 1-10)

These terminals are used for connection to the resolver. Refer to Appendix

B for connection details.

Terminal Block - TB2

Velocity Command Input (TB2, Terminals 1, 2)

The controller will accept up to a ±10V DC velocity command signal to

achieve maximum motor speed. The plus (+) and minus (–) reference are at

terminals 2 and 1, respectively. Shield must be terminated at source end

only. The differential impedance of the velocity command input is 40k

ohms (20k ohms for single ended inputs).

Signal Common (TB2, Terminals 3, 6, 12, 17)

Signal input reference point.

Buffered Output (TB2, Terminal 4)

This output is the differentially isolated velocity or torque command

applied at terminals 1 and 2 of TB2. It can be wired to the torque command

input (TB2-15 and 16) for torque block operation.

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Rockwell-automation 1391ES AC Servo Controller User Manual Page 28