Table of Contents
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Table of Contents
Related Manuals for Bacharach MGS-450
Summarization of Contents
Introduction
About this Manual
Provides information on operator safety and proper use of the gas detector.
Conventions
Explains short form instructions and iconography used in the manual for clarity.
Product Descriptions
Intended Uses / Applications
Details the non-classified, non-hazardous locations and gas types for the detectors.
Transmitter Construction
Lists different configurations for MGS-400 gas detectors like enclosure, relays, and communication.
Power Options
Outlines the available power options for the MGS-400 gas detectors.
Diagnostic / Status LED
Describes the three-color LED for status indication with an audible alarm.
Configurable Output Signals
Explains digital and analog output signal options and their connections.
User Interface
Details how users interface with the instrument via Bluetooth App or magnetic switches.
Technical Specifications
Presents detailed specifications for analog current signals to the central controller.
Components
MGS-410 Components
Identifies and describes the numbered components of the MGS-410 unit.
MGS-450 Components
Identifies and describes the numbered components of the MGS-450 unit.
MGS-460 Components
Identifies and describes the numbered components of the MGS-460 transmitter and remote sensor.
Installation
General Information
Outlines site selection criteria and factors for effective installation of gas monitoring equipment.
Restrictions
Specifies limitations and requirements for the instrument's installation location, including power availability.
Mechanical Installation
Guides on securely mounting the gas detector, considering environment, application, accessibility, and gas type.
Electrical Installation
Covers preparations for electrical connections, including important notes on analog output and ESD precautions.
Power & Signal Wiring
Details the connections for power, analog, and Modbus signals, including wiring terminations.
Relay Wiring
Explains how to wire the relays for low, high, and fault alarms, including fail-safe operation.
Installation of Remote Sensing Head
Provides instructions for installing the remote sensing head for the MGS-460 model.
Connecting to MGS-408 Gas Detection Controller
Refers to a separate manual for connecting to the MGS-408 controller.
Modbus RTU RS-485 Interface
Details requirements for Modbus RS-485 network cabling and configuration for optimal performance.
Confirming Instrument Functionality
Outlines the steps to verify instrument functionality after installation, including power-up and calibration/bump test.
Operation
Overview of Normal Operation
Explains the start-up sequence, warm-up phase, and indicators for normal operation.
Status Indication
Describes how the LED, buzzer, and relays indicate the instrument's current operational state.
Switch Functions
Explains how to interact with the instrument using magnetic switches for various functions.
Reset System to Factory Default Settings
Details the procedure to reset the instrument's configuration to its factory default settings.
MGS-400 Smartphone Application
Introduces the MGS-400 App for configuring and interacting with the gas detector via Bluetooth.
Instrument Configuration
Explains how to access and change instrument settings like alias, unlock code, and Bluetooth passcode.
Reset to factory defaults
Describes how to reset the instrument's configuration to factory defaults using the smartphone application.
Alarm Configuration
Details how to configure low and high alarm setpoints, and alarm latching behavior.
Modbus Configuration
Covers setting the Modbus address, baud rate, stop bits, parity, and termination for RS-485 communication.
Output Configuration
Explains how to configure the analog output range and other output settings like buzzer and relay failsafe.
Care & Maintenance
Maintenance Intervals
Lists recommended maintenance tasks and their frequencies, from commissioning to regular checks.
Adjustments
Details the process for adjusting the detector, including zero and span calibration procedures.
General Calibration Procedure
Outlines general steps and warnings before performing calibration on the MGS-400 Gas Detector.
Zero Adjustment
Guides on performing the zero adjustment using ambient air or calibration gas.
Span Adjustment
Details the procedure for performing a span adjustment using calibration gas.
System Bump Test
Explains how to perform a bump test to verify detector and alarm system functionality.
Troubleshooting
Hexadecimal Format
Explains the hexadecimal format used for fault codes and their equivalent error codes.
Fault Codes
Lists system faults, their possible causes, and required actions for troubleshooting.
Sensor Maintenance
Replacing the Sensor Module
Provides step-by-step instructions for safely replacing the pre-calibrated sensor module.
Additional Information
Sensor Principle
Explains the working principles of different sensor types used in gas detection technology.
Disposing of the Instrument
Provides guidance on the proper disposal of electrical equipment and sensors according to regulations.
Sensor Specifications
Lists typical sensor life and operating temperature ranges for different sensor types.
Modbus Registers
Documents the Modbus registers for accessing dynamic sensor data, including register numbers and descriptions.
Integration - Dynamic Sensor Data
Lists input registers for dynamic sensor data like concentration, uptime, and fault codes.
Integration - Static Sensor Data
Lists input registers for static sensor data such as sensor type, units, alarm setpoints, and gas type text.
Integration - General System Setup
Details holding registers for system setup, including parameter unlock, RS-485 address, and baud rate.
Integration - Calibration
Specifies holding registers related to sensor calibration, including gas concentration settings.
Integration - User Debug Tools
Lists holding registers for user debug tools, allowing control over offline mode, relays, LEDs, and analog output.
MGS Compatibility - Status Flags
Documents read input status registers for MGS compatibility, indicating alarm and fault flags.
Integration - Status Flags
Lists read input status registers related to sensor startup and alarm states.
MGS Compatibility - Clear Special States
Covers read/force coil functions for clearing special states like buzzer mute and calibration due flags.
Integration - User Tasks
Lists read/force coil functions for user tasks such as restart, factory reset, clearing faults, and calibration.
Ordering Information
Part Numbers
Lists MGS-400 detector part numbers categorized by gas type, range, and model.
MGS-400 Series Accessories
Lists available accessories for the MGS-400 series, including horns and strobes with different lens colors.
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