Eaton PXBCM-MB - User Manual

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Effective May 2019

Supersedes February 2015

PXBCM-MB-BASIC

PXBCM-MB-ENERGY

Instruction Leaﬂet IL150001EN

Power Xpert Branch Circuit Monitor:

Meter Base - Basic and Energy Code Series

COM reset

button

Base mounting

screws #8

LED Indicators

Conﬁguration

switches

Com1/2 RS485

Modbus RTU

LAN Ethernet

RJ45 CAT5+

STP

MMP 1-4 Meter

Module ports

Power Supply Mains Terminal PE/N/L

Base mounting

screws #8

Figure 1. PXBCM-MB controls, connectors and indicators.

The PXBCM-MB is the data acquisition module/

gateway of the PXBCM system. The PXBCM-

MB aggregates the meter data from up to four

PXBCM-MMS and PXBCM-MME meter modules.

You can access the data from all channels (includ-

ing virtual meters) through the RS485 COM1 or

COM2 Modbus port using the RS-485 RTU proto-

col, or the LAN Modbus TCP connection, or view it

directly through the onboard web server.

The Modbus address is set through a pair of

rotary switches (Address H-L) on the front of the

PXBCM-MB housing. Indicator lights show device

status (Status) as well as communications sta-

tus for both LAN Ethernet and COM1 or COM2

Modbus. A mode switch determines user access

security levels.

The PXBCM-MB must be housed in an appropriate

NEMA or UL enclosure that ensures the device

will remain within its specified environmental

ranges and provides fire and mechanical protec-

tion. In retrofit panel board applications the MB

must be mounted in an enclosure external from

the monitored assembly gear, unless the MB is an

approved accessory for the panel board.

Each Meter Module has the following LED

Indicators

•

COM1 or COM2 Rx/Tx Green/Red LEDs –

RS485 Modbus

•

MMP 1-4 Rx/Tx Green/Red LED – Meter

Module Port communications

•

LAN Ethernet LEDs in RJ45 jack

• Link Green on = Link Active, blink for TxRx

• 10/100 Speed - Amber off/on

•

Status Green/Red bicolor LED –

• Green ~ 1Hz blink – Normal heart beat

• Red – Application alarm

•

Com Status: Green/Red bicolor LED:

• Green on = DHCP, Green off = Fixed IP

• Red on = communications reset mode

PXBCM-MB Meter Base

Speciﬁcations

•

Weight ~ 1 lb

•

W/H/D: 7.0”(17.6 cm)/6.3”(15.8cm)/2.6”(6.6cm)

•

Each Meter Base can interface to 1-4 Meter

Modules (-MMS &/or –MME)

•

Housing NEMA 1, IP20

•

Pollution Degree 2

•

Operational Temperature range -20 to +70ºC

•

Storage Temperature range -45 to +85ºC

•

Elevation 0-3000m

•WARNING!

BE SURE THAT ALL SYSTEM POWER IS OFF WHEN COMMISSION-

ING A PXBCM SYSTEM INCLUDING THE INSTALLATION OF THE

PXBCM-MB METER BASE AND ASSOCIATED COMPONENTS.

Overview

For use with the Power Xpert Branch Circuit Monitor (PXBCM) Basic and

Energy Code Series meter bases (MB) -

Both the PXBCM-MB-BASIC meter

base and PXBCM-MB-ENERGY meter base are designed to be used with

the PXBCM–MME Meter Module External and/or – MMS Meter Module

Strip. The Meter Base (MB) sources power to and collects data from the

Meter Modules through the Meter Module Ports and Cables.

•

PXBCM-MMS-(L/R 9/15/21)-A Meter Module Strip

•

PXBCM-MME-X25-333MV Meter Module for External CTs

•

PXBCM-MME-X21-100MA Meter Module for External CTs

•

PXBCM-MMP-CBLnn/-CBLEnn Meter Module Port Cable and Cable

Extension

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Summary

Overview of PXBCM-MB Meter Base

PXBCM-MB LED Indicators

Details on status and communication indicator LEDs for COM1/COM2, MMP ports, and LAN.

PXBCM-MB Meter Base Specifications

External Circuit Connections

RS485 Modbus RTU Connections

Details for Com1/Com2 RS485 Modbus Slave RTU connection, including baud rate and cable type.

LAN Ethernet Connection

Specifications for the LAN Ethernet RJ45 CAT5 connection and EMC compliance.

Meter Module Port Connections

Information on PXBCM-MMP-CBLnn cables for connecting meter modules to MMP ports.

Power Supply Connection

Guidelines for connecting power supply to the PXBCM-MB, including voltage and safety.

Product Identification and Mounting

PXBCM-MB Product ID Label

Description of the product identification label and its contents.

Meter Base Mounting Details

Diagram and dimensions for physically mounting the PXBCM-MB meter base.