Emerson 710NPBA manual CONTROLLER, RECTIFIERS, and Optional Converters, Estop Function

User Instructions	UM581127000
Spec. No. 581127000 (Model 710NPBA)	Issue AB, March 22, 2012

CHAPTER 2.

OPERATING PROCEDURES

CONTROLLER, RECTIFIERS, AND OPTIONAL CONVERTERS

For operation instructions on these units, refer to the following documents.

ACU+ Controller User Instructions (UM1M820BNA)

Rectifier User Instructions (UM1R243000)

Converter User Instructions (UM1C24481500)

ESTOP FUNCTION

If an ESTOP switch is wired to the ACU+ IB2 Interface Board, customer-furnished system ground applied to terminal DI8- activates the ESTOP function. The ESTOP function shuts down and locks out the rectifiers, opens the LVD’s, and shuts down the converters. When the ESTOP signal is removed, LVD’s close (if battery present) and converters restart. To restart the rectifiers; turn AC power to the rectifiers OFF, wait 30 seconds or more, then turn AC power to the rectifiers ON. Rectifiers can also be restarted via the Local and Web-interface ACU+ menus using the “rectifier reset” command.

LOCAL CONTROLS AND INDICATORS

Refer to the Controller, Rectifier, and Converter User Instructions for descriptions of the local controls and indicators located on these units.

Refer to this section for descriptions of the local controls and indicators located on the circuit cards installed inside the distribution cabinet.

Circuit Card Locations

Refer to Figure 2-1.

Chapter 2. Operating Procedures Page 3

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