Do you have a question about the GE MOTOR MANAGER 2 and is the answer not in the manual?
Mounting | DIN Rail |
---|---|
Storage Temperature | -40°C to +85°C |
Protection Class | IP20 |
Communication Protocol | Modbus RTU, Modbus TCP/IP |
Communication Ports | RS485, Ethernet |
Supply Voltage | 100-240 VAC |
Power Consumption | <10W |
Operating Temperature | -20°C to +70°C |
Relative Humidity | 5% to 95% (non-condensing) |
Weight | 0.5 kg |
Provides a general introduction to the MM2, covering its description and key features.
Details how to order the MM2, including order codes, accessories, and special order options.
Outlines the technical specifications of the MM2, including input details, accuracy, and operating parameters.
Describes how to mount the MM2 to a panel using specified screws and provides panel cutout dimensions.
Details the various inputs and outputs of the MM2, including CTs, voltage, thermistor, analog, relays, and switch inputs.
Explains the functions of the MM2 front panel, including the message display and indicator LEDs.
Describes the functions of the MM2 keypad, covering setpoint/actual value keys, operational, and navigation keys.
Provides a hardware overview of the MM2, detailing its microcontroller, memory, display module, and input/output circuitry.
Introduces setpoints, explaining how to view/alter them and listing common abbreviations used.
Covers MM2 configuration setpoints for communications, motor identification, starter types, and CT/VT inputs.
Details setpoints for motor protection including thermal, ground fault, overload curves, load, and voltage protection.
Covers process-related setpoints for programmable inputs, interlock names, stop configuration, and analog inputs.
Details setpoints for control features like undervoltage auto-restart and auxiliary relay configurations.
Covers setpoints for monitoring and motor maintenance, including plant condition and preset counters/timers.
Provides factory data including firmware versions, model identification, and service information.
Introduces actual values, explaining their organization and how to select default messages.
Displays real-time data including motor status, current, load, process data, and programmable messages.
Provides status information after alarms or trips, covering trip data, alarm data, and motor status.
Details the 16 switch inputs and their status, showing OPEN or CLOSED states for various inputs.
Provides detailed running time and accumulated trip counts, including timers and counters.
Details the MM2's implementation of Modbus RTU, covering overview, electrical interface, and data formats.
Explains various Modbus function codes (01H to 10H) used for reading status, setpoints, and executing operations.
Describes the MM2's error response codes for illegal function, data address, or data value.
Covers applications of Modbus functions, including performing commands, storing addresses, and using the memory map.
Details the MM2's data structure, explaining setpoints and actual values and providing a memory map table.
Defines data formats (F1-F113) used in Modbus communications for MM2 parameters.
Describes primary and secondary injection testing methods to verify MM2 operation and wiring.
Covers functional tests for phase current, unbalance, ground fault, inputs, thermistor, and power fail.
Introduces the MM2PC® software for easier setpoint management, firmware upgrades, and data viewing.
Provides step-by-step instructions for installing or upgrading the MM2PC® software from a CD or website.
Details configuring MM2PC® communication settings, including COM port, baud rate, parity, and control type.
Explains how to use MM2PC® for saving setpoints, upgrading firmware, loading files, entering setpoints, and viewing actual values.
Addresses communication setup for chassis mount MM2 units, focusing on baud rate and parity configuration.
Describes the full voltage, across-the-line non-reversing starter type and its basic operation and MM2 sequences.
Describes the full voltage, across-the-line reversing starter and its operational logic with timing relays and MM2 sequences.
Explains the operation of a two-speed starter, including low speed, high speed, and transition sequences.
Describes the slip ring starter for wound rotor motors, including secondary resistance and MM2 sequences.
Describes the primary resistance starter for reduced voltage starting and its MM2 sequences.
Describes the inverter starter, explaining its operation and the MM2 sequences for ramp-up and ramp-down.
Describes the autotransformer open transition starter, outlining reduced voltage starting and MM2 sequences.
Describes the autotransformer closed transition starter, detailing reduced voltage starting and MM2 sequences.
Describes the part winding starter functionality, noting it is currently under review, and its MM2 sequence.
Describes the wye-delta open transition starter, outlining reduced voltage starting and MM2 sequences.
Describes the wye-delta closed transition starter, detailing reduced voltage starting and MM2 sequences.
Describes the duty/standby starter type, allowing MM2 to control two motors in manual or automatic modes.
Describes the soft starter, explaining its operation and the MM2 sequences for ramp-up and ramp-down.
Describes the two-wire control scheme using a maintained contact in series with the starter coil for motor operation.
Details control schemes for 2-wire and 3-wire HAND/OFF/AUTO configurations.
Describes 3-wire hand / 2-wire auto control schemes and their operational procedures.
Lists default setpoint values for MM2 configuration, protection, process, control, monitoring, and factory data.
Lists default values for System Configuration setpoints including communications, motor identification, starter, and CT/VT inputs.
Lists default values for Thermistor and Fault Mode setpoints, covering resistance, trip/alarm settings, and fault handling.
Lists default values for motor protection options and load protection parameters like undercurrent, underpower, and acceleration.
Lists default values for voltage protection and process programmable inputs, including interlock functions.
Lists default values for control setpoints like undervoltage restart and monitoring setpoints like motor greasing interval.
Addresses frequently asked questions about MM2 features, protection, and operational conditions.
Troubleshoots common MM2 communication problems, including PLC network connectivity and analog device interface.
Provides a checklist of essential steps and practices for proper MM2 grounding and communications wiring.
Explains MM2 switch input operation at 120/240V AC and recommends using a common source and fused external source.
Recommends using shielded cable for thermistor and analog inputs due to low voltage levels to minimize noise.
States the STOP switch input MUST be energized for MM2 availability and requires a jumper for external contactor sealing.
Emphasizes MM2 must receive feedback within 1 second of closing contactors or an OPEN CONTROL CIRCUIT alarm will occur.
Explains current phase difference with voltage and how RMS current varies based on voltage application timing.
Discusses concerns regarding asymmetrical current during motor starts and its effect on relays and CTs.
Explains the importance of CT withstand for high current faults and systems with limited fault current capacity.
Explains methods to acquire CT characteristics and how to interpret CT ratings like 2.5C100.
Shows a typical CT excitation curve, illustrating secondary exciting voltage versus secondary exciting current.
Lists figures related to MM2 mounting, dimensions, wiring diagrams, setpoints, testing, and software.
Lists tables related to selection guides, overload curves, Modbus packet formats, memory maps, and data formats.
Declares conformity to EU directives and lists applicable standards for safety and EMC.
Identifies the manufacturer as General Electric Power Management Inc. and provides their address.
Lists the EU representative's contact details for GE Power Management.
Declares that the specified equipment conforms to the listed directives and standards, signed by management.
States the warranty terms for GE Power Management relays, covering defects in material and workmanship for 24 months.