Emerson XM679 - User Manual

XM670-XM679 Controllers for
Multiplexed Cabinets Installation and
Operation Manual
026-1218 Rev 4

Emerson XM679 Specifications

General

Brand	Emerson
Model	XM679
Category	Controller
Language	English

Summary

Introduction

General Warning

Safety precautions and warnings before using this manual.

User Interface

How to Enter the Parameters List PR1

Steps to access the user-accessible parameters list (PR1).

How to Enter the Parameters List PR2

Procedure to access the protected parameters list (PR2) with a security code.

How to Assign a MODBUS Address

Steps to set the MODBUS address for the controller.

How to Change the Parameter Value

Guide on how to modify parameter values within the controller's programming.

Controlling Loads

Defrost

Covers the defrost process, including starting and ending conditions.

Defrost starting

Procedures and conditions for initiating defrost cycles.

Defrost Ending

Conditions and parameters that cause the defrost procedure to end.

Parameters List

How to Use the Hot Key

Download (From the Hotkey to the Device)

Procedure to download parameter settings from the Hot Key to the controller.

Upload (From the Device to the Hotkey)

Procedure to upload parameter settings from the controller to the Hot Key.

Alarm Signals

Technical Data

Connections

E2 to XM Device Communication Recommendations

Guidelines for establishing communication between E2 and XM devices.

XM670 - Wiring Diagram

Wiring diagram for the XM670 controller with all power supply connections.

XM679 - 230 VAC Valves;Wiring Diagram

XM679 - 24 VAC Valves;Wiring Diagram

E2 MODBUS Network Wiring

Pressure Transducer Setup (XM679 Only)

How to Enable a Pressure Probe to Share Across the LAN

ECT MODBUS Networking to E2 s

COM Port Associations - E2 Versions 3.xx and Below

COM Port Associations - E2 Versions 4.0 and Above

E2 Setup of Devices

How to set up devices within the E2 for MODBUS communication.

Set Up Network Ports

Configuring specific ports on the E2 as MODBUS ports.

Add and Connect the Device

Steps to add and connect XM controllers to the E2.

MODBUS Termination Blocks