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Emerson Net Safety Millennium II User Manual

Emerson Net Safety Millennium II
56 pages
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Reference Manual
Part Number: MAN-0076, rev. 09
Release: June 2016
Millennium II Multi-Channel Transmitter

Table of Contents

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Emerson Net Safety Millennium II Specifications

General IconGeneral
BrandEmerson
ModelNet Safety Millennium II
CategoryTransmitter
LanguageEnglish

Summary

Important Instructions

Warranty

Limited Warranty

Details the seller's warranty terms and conditions for the product, including exclusions and limitations.

Limitation of Remedy and Liability

Defines the seller's liability limits and exclusive remedies for product-related claims, excluding consequential damages.

Section 2: Installation

Mounting

Guidelines for securely mounting the transmitter and sensor, including orientation options.

Wiring

Covers general requirements and best practices for wiring the transmitter and sensors.

General Requirements

Highlights essential safety precautions and general guidelines for electrical wiring.

Important Wiring Guidelines

Emphasizes the critical role of wiring in safety systems and RFI/EMI mitigation.

Analog Output, Isolated/Non-Isolated Supply and Jumper Configuration

Details jumper settings for configuring analog output as isolated or non-isolated.

Sensor and Transmitter Terminals

Provides terminal designations and wiring connections for sensors and transmitter power/outputs.

Sensor Separation/Remote Mounting of Sensor

Guidelines for mounting sensors remotely, including junction box and cable selection.

Section 3: Operation

Section 4: Programming

Menu Options

Lists available functional settings and options accessible through the transmitter's menu system.

Calibrate Sensor

Procedure for performing calibration on the connected sensor.

Enable/Disable Channels

Allows users to enable or disable individual sensor channels (CH1, CH2).

Set Alarm Level

Enables setting and viewing low and high alarm levels for each channel.

Set Relay Option

Configures alarm relay coils as energized/de-energized and latching/non-latching.

Relay Assignment

Assigns alarm relays (RL1-3) to specific channels (CH1-2) and alarm points.

Modbus Setup

Configuration of Modbus parameters like address, baud rate, and parity.

Manual Reset

Performs a reset after calibration failure or to clear latched alarms.

Self-test Relay

Initiates a test of the transmitter's relays to ensure proper functioning.

Section 5: Calibration Procedure

Full Calibration Procedure

Step-by-step guide for performing a complete calibration of the sensor.

Section 6: Monitoring and Outputs

Analog 4-20mA

Describes the 4-20 mA output for transmitting status, fault codes, and gas concentration.

HART Communication (Optional)

Explains HART protocol for advanced communication with the single-channel transmitter.

Relays (Optional)

Details the Form-C SPDT relays for fault and alarm signaling.

RS-485 Modbus RTU (Optional)

Covers the optional RS-485 Modbus RTU protocol for data communication.

Modbus Registers

Lists Modbus registers, their meaning, and readability/writability.

Fault Monitoring

Describes the system's self-testing and fault detection mechanisms.

Fault Conditions

Details critical indicators of device malfunction that override alarm conditions.

Section 7: Maintenance

Periodic Response Check

Recommends 90-day bump tests to ensure continued system functionality and accuracy.

Section 8: Electrostatic Sensitive Device

Section 10: Specifications

Section 12: Ordering Information

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