Emerson M21, M22 user manual Enable / Disable channels, Viewing and setting alarm levels points

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4.2.3 Enable / Disable channels

This option allows the Millennium II Transmitter channels to be enabled or disabled. The default value is channel 1(CH1) enabled for single sensor models while channel 2(CH2) is permanently disabled. Both channels are enabled for two sensor models.

1.Enter the main menu by selecting/activating any key to get the “enter main menu” prompt, then activate switch 1 to select “yes”.

2.Select the down arrow key (switch 2) with the magnet, and scroll to “Enable/Disable Channel?”

3.Activate the enter key (switch 3) to enter the option. The sub menu options: ‘CH 1 Enabled’ and ‘CH 2 Enabled’ will be highlighted.

4.To disable a channel 1, Activate the enter key (switch 3). “CH1 disabled” will now be highlighted / displayed.

5.To disable channel 2, highlight ‘CH2 Enabled’ use switch 2, then activate the enter key (switch 3) to configure to

‘CH2 disabled’.

6.To exit the main menu, select “Exit” with enter key at each menu stage (sub menu and main menu).

4.2.4 Viewing and setting alarm levels (points)

This option enables the channel low and high alarm levels to be viewed and set-up. Alarm levels (points) for each channel are user determined. Alarm Point 1 and Point 2 for channel 1 does not relate to Alarm Point 1 and Point 2 for channel 2.

1.Enter the main menu by selecting/activating any key to get the “enter main menu” prompt, then activate switch 1 to select “yes”.

2.Activate the up key (switch 1) or the down key (switch 2) until “Set Alarm Level?” is highlighted / displayed.

3.Activate switch 3 to enter the “Set Alarm Level” option. Sub menu options ‘Set CH1 Level’, ‘Set CH2 Level’ and ‘Exit’ will be displayed. ‘Set CH1 Level’ being highlighted.

4.To view channel 1 alarm points, activate switch 3. ‘CH1 Point 1’ and ‘CH1 Point 2’ will be displayed.

5.To view channel 2 alarm points use switch 2, at step 3, highlight ‘Set CH2 Level’, then activate switch 3. ‘CH2 Point 1’ and ‘CH2 Point 2’ will be displayed.

6.To configure channel 1 alarm levels (Point 1 or Point 2), after step 4, use switch 3 to select CH 1 Point 1 (already highlighted) then proceed to step 8, or highlight CH1 Point 2 using switch 2 , then activate switch 3 and proceed to step 8.

7.To configure channel 2 alarm levels (Point 1 or Point 2), after step 5, use switch 3 to select CH2 Point 1 then proceed to step 8, or use switch 2 to highlight CH2 Point 2, then activate switch 3 to make a selection. Proceed to step 8.

8.Use switch 1 to increase the existing values representing previously set alarm levels/points and switch 2 to highlight and scroll across values.

9.After setting desired alarm points, select “Exit” at each menu stage (sub menu and main menu).

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MAN-0076 Rev 05 Millennium II December 07, 2012

Net Safety Monitoring Inc

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Contents Millennium Important Information Table of Contents Monitoring and Outputs Special conditions of use IntroductionTransmitter Enclosure Dimensional Drawing Enclosure DimensionsTransmitter Orientation Option InstallationUnpack MountingTransmitter electronics module and Relay options Board assembly diagramRotating Electronics module Seals Wiring and installationField Installation GuidelinesCable choice and guidelines Important Wiring GuidelinesArmored Cable preparation procedure Connecting wires Separation Jumpers positions Remotely mounted sensors jumper configurationSensor Terminals Sensor and Transmitter terminalsSensor Separation/ Remote mounting of sensor Remote ResetNon-isolated terminal connection Wiring drawingsIsolated terminal connection Installation Checklist Transmitter Power Up Transmitter and faceplate descriptionDisplay Status LED Menu buttons and accessIntrusive Access Non-Intrusive Access/Magnetic Reed switch AccessOperation Menu optionsNavigating main menu Menu structure flow chart Full calibration Normal calibration procedure Cont’d Zero calibration option Full Calibration Viewing and setting alarm levels points Enable / Disable channelsRelay Assignment Setting Relay optionsAlarm Relay 1 RL1 Alarm Relay 2 RL2 Alarm Relay 3 RL3 Relay Alarm Mode setting for Oxygen sensors only Modbus SetupSelect Display Language Setup Current Time Setup Current DateEvent Types Display on Screen Events Format /host View Event LogManual Reset Self Test RelaySensor Upper Limit Range Select Gas Type Calibration gas valueSerial Number & Firmware Version Analog 4-20mA 1Fault monitoringMonitoring and outputs RelaysReg Current Output Status LED Meaning Value Red Green Reg. Value Current Output Status LED Meaning Red Green RS-485 Modbus RTUReg# Meaning Readable Writeable Bit Meaning Hart CommunicationTroubleshooting MaintainingPeriodic response check Storage Spare Parts /AccessoriesHow to Return Equipment Appendix Appendix B Resistance Appendix C Millennium II Transmitter Specifications Approvals December 07 Net Safety Monitoring Inc

M22, M21 specifications

The Emerson M21 and M22 are advanced industrial controllers designed to enhance process automation and operational efficiency in various industries. Emerson, a leader in automation technology, introduced these models to meet the growing demands for precision, reliability, and connectivity in today’s fast-paced industrial environments.

One of the standout features of the M21 and M22 controllers is their robust processing power. They are equipped with high-speed processors that enable rapid data processing and real-time decision-making. This capability allows users to respond promptly to changing process conditions, ensuring optimal performance and minimizing downtime.

The M21 and M22 offer versatile connectivity options, supporting various communication protocols such as Ethernet, Modbus, and TCP/IP. This extensive connectivity facilitates seamless integration into existing systems, allowing for easy collaboration between devices across different platforms. Users can monitor and control processes from virtually anywhere, providing flexibility and convenience.

Scalability is another essential characteristic of the M21 and M22. These controllers can easily adapt to growing operational demands, enabling businesses to expand their automation solutions without the need for complete overhauls. Whether you're running a small system or a large, complex operation, these controllers can scale to meet your needs.

Furthermore, Emerson has incorporated advanced diagnostic and predictive maintenance features into the M21 and M22 models. These technologies leverage data analytics to predict potential failures before they occur, allowing users to take proactive measures. This not only minimizes unexpected downtime but also extends the lifespan of equipment, contributing to overall cost savings.

In terms of user interface, the M21 and M22 come with intuitive software that provides easy navigation and configuration. The interface is designed to be user-friendly, reducing the learning curve for new operators and allowing for efficient setup and management of processes.

Finally, both controllers are built with a focus on reliability and durability, making them suitable for various industrial environments, including harsh or demanding settings. Their robust design ensures consistent performance, even in challenging conditions.

In summary, the Emerson M21 and M22 controllers represent cutting-edge solutions in industrial automation, offering high processing power, flexible connectivity, scalability, advanced maintenance features, user-friendly interfaces, and robust design. Companies looking to enhance their automation capabilities will find these controllers to be valuable assets in achieving operational excellence.
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