Emerson XJAL-020Z-CFV-012 Manual page 48

technical bulletin

When the E2 is at one end of the daisy chain, terminate the E2 with all three jumpers in the

terminated (UP) position.

RS485 MODBUS

CONNECTORS

Document Part # 026-4909 Rev 1 20-OCT-2011

©2011 Emerson Climate Technologies, Inc. This document may be photocopied for personal use.

Visit our website at http://www.emersonclimate.com/ for the latest technical documentation and updates.

Installation Instructions: XJ Scroll Condenser to E2

+485

Figure 2 - E2 Modbus Connected to the One-Way Communication Board

E2 Power Interface

Board (PIB)

0V

-485

WHITE

-485

SHIELD

0V

+485

BLACK

ECT MODBUS

CONNECTOR on the

XJ Scroll One-way

Comm Board

D0: RS485- (A)

C:

Common

D1: RS485+ (B)

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