GE MMII-PD-1-2-120
I. Overview
The GE MMII-PD-1-2-120 is a high-performance programmable logic controller module designed specifically for industrial automation applications. It features advanced functions and reliable performance to meet the demands of modern industrial control systems. This product is part of the GE Multilin series, belonging to the Motor Manager II series, and is used for the protection, control, and management of motor systems.
II. Parameters
- Model: MMII-PD-1-2-120
- Input Voltage: 120V AC
- Number of Outputs: 2
- Communication Protocol: Modbus RTU
- Mounting Mode: Panel mounting, with display
- Options: Process control, 10 process inputs, undervoltage automatic restart, diagnostics
- Operating Temperature Range: 0°C to 60°C
- Dimensions: Approximately 7.4 inches long x 4.4 inches high x 5 inches wide
- Weight: 3 pounds (1.36 kg)
- Analog Input Range: 4-20 mA
- Single-Phase Accuracy: ±2 percentage points
- Communication Baud Rate: 1,200 bps to 19,200 bps
III. Product Features
- Functional Integration: Integrates multiple functions in a compact device, reducing the need for expensive auxiliary equipment and wiring.
- Intelligent Control: Provides intelligent motor control and protection relay functions, significantly reducing the cost of traditional discrete devices.
- Monitoring Function: Can display system parameters such as ground current, phase current, analog input, thermal capacity, power, and energy.
- Information Display: Offers maintenance information, pre-fault values, and fault records.
- Communication Function: Enables remote connection via RS485 Modbus interface.
- Local Interface: Equipped with an LCD display for local operation and information access.
- Modular Design: Allows flexible configuration according to different needs.
- LCD Display: Comes with an LCD display to intuitively show motor operating status and parameters.
- Comprehensive Motor Protection Functions: Provides comprehensive motor protection functions such as overload, short circuit, ground fault, and stall.
- Motor Control Functions: Realizes motor control including start, stop, acceleration, and deceleration.
- Data Monitoring and Fault Diagnosis: Monitors motor operating status in real-time and provides fault diagnosis information.
- Remote Monitoring and Configuration: Supports remote monitoring and configuration, facilitating management by maintenance personnel.
IV. Structure and Composition
- Compact Design: The module adopts a compact design, making it easy to install in a seven-inch panel cutout.
- Mounting Method: Users can fix the device to the panel using #8-32 or #6 x <>/<> mounting screws.
- Display Function: Equipped with an LCD display, allowing local interface and information access.
- Communication Interface: RS485 Modbus interface enables remote connection with a transmission rate range of 1200-19,200 baud.
- LED Indicators: The front panel includes nine LED indicators (Run, Stop, Trip, Alarm, Fault, Contactor a and b, Auxiliary 1 and 2) and input keys.
- Input and Output Ports: Has 6 fixed inputs and 10 programmable inputs, as well as 2 contactors and 2 programmable outputs.
V. Application Fields
- Industrial Automation: Widely used in various industrial automation systems, such as motor control for equipment like pumps, fans, and compressors.
- Building Automation: Used in building automation systems to control motor equipment.
- Manufacturing: Suitable for motor control and management in the manufacturing field.
- Mining: Applicable to motor control and management in the mining field.
- Power Systems: Suitable for motor control and management in power systems.
VI. Installation and Maintenance
- Installation: The module is very small, so it can be easily installed in a seven-inch panel cutout. Users can fix the device to the panel using #8-32 or #6 x <>/<> mounting screws. The instructions for the version with a display and the version without a display are slightly different, so users should refer to their user manual when starting the installation process.
- Maintenance: The module provides necessary maintenance information, pre-trip values, and trip records. Users can view phase current, thermal capacity, and energy levels through the LCD display or Multilin’s EnerVista MMII software program. In addition, the module supports remote monitoring and configuration, facilitating management by maintenance personnel.
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