Powerware FCC 15 manual Chapter, Introduction

Chapter 1 Introduction

The Eaton® Powerware® Modbus® Card is an X-Slot®connectivity device that allows you to continuously and reliably monitor the UPSs in your Building Management System (BMS). The card uses the Modbus protocol to integrate data from the UPS into your building management software, such as WonderwareR.

The Modbus Card, shown in Figure 1, has the following features:

SRS-485 communication through an isolated DB-9 port or isolated terminal strip

SSelectable termination and polarity resistance

SRS-232 communication through a DB-9 port

SSupports Modbus READ INPUT STATUS and READ INPUT REGISTER commands

STwo-wire or four-wire communication topology

SLEDs showing communication activity

SThe Modbus Profiler tool can generate a Modbus register map for easy integration into your building management software (see page 17)

SX-Slot design for UPSs with an internal X-Slot or installed in a Powerware Expansion Chassis for UPSs that do not have internal X-Slots

Communication LEDs

Configuration Port

RS-485 Modbus (use either the DB-9 port or terminal strip)

RS-232 Modbus DB-9 Port

Figure 1. The Modbus Card

Figure 2 shows a Powerware UPS added to an existing network by connecting the terminal strip on the Modbus Card to the RS-485 terminals on another device.

EATON Powerware® Modbus® Card User’s Guide S 164201376 Rev C www.powerware.com 1