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Siemens SINAMICS G120C PN User Manual

Siemens SINAMICS G120C PN
478 pages
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02/2023Edition
Operating Instructions
Low voltage converters
Built-in units of frame sizes AA ... F
www.siemens.com/drives
SINAMICS G120C
SINAMICS

Table of Contents

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Siemens SINAMICS G120C PN Specifications

General IconGeneral
Power range0.55 kW to 132 kW
Control typeVector control, V/f control
Protection classIP20
Ambient temperature range-10 °C to +50 °C
Product type designationSINAMICS G120C
Integrated SafetySTO (Safe Torque Off)
Operating Temperature-10 °C to +50 °C
Storage temperature range-40 °C to +70 °C
Communication interfacesPROFINET
Output voltage range0 V to input voltage
Overload Capacity150% for 60 s
Relative humidity5% to 95%, non-condensing
AltitudeUp to 2000 m without derating

Summary

SINAMICS G120C Operating Instructions

Fundamental safety instructions

General safety instructions

Provides essential safety guidelines for operating electrical devices and handling potential hazards.

Residual risks of power drive systems

Lists residual risks emanating from control and drive components that must be considered in risk assessment.

Installing

EMC-compliant setup of the machine or plant

Guidance on subdividing control cabinets and machines into EMC zones for reliable operation.

Connect the line supply, motor and braking resistor

Explains how to connect the line supply, motor, and braking resistor, including system types and requirements.

Connecting the interfaces for the converter control

Provides an overview of interfaces and details connection options for FSAA/FSC and FSD/FSF frame sizes.

Connecting the converter to PROFINET

Explains communication via PROFINET IO and Ethernet, including RT and IRT functions.

Commissioning

Commissioning guidelines

Provides a step-by-step overview for commissioning the drive, from requirements definition to saving settings.

Tools to commission the converter

Describes operator panels (IOP-2, BOP-2), Smart Access, and PC tools (STARTER, Startdrive).

Preparing for commissioning

Covers collecting motor data, understanding factory settings, and operating the motor.

Quick commissioning using the BOP-2 operator panel

Details the procedure for quick commissioning using the BOP-2 operator panel.

Quick commissioning with a PC

Guides on performing quick commissioning using a PC with Startdrive software.

Restoring the factory setting

Explains when and how to reset the converter to factory settings, with or without safety functions.

Uploading the converter settings

Uploading to the memory card

Details recommended memory cards and procedures for automatic and manual uploads.

Protecting the converter settings

Write protection

Explains how to activate and deactivate write protection to prevent unauthorized changes.

Know-how protection

Details know-how protection to prevent unauthorized reading and copying of converter settings.

Activating and deactivating know-how protection

Provides step-by-step instructions for activating and deactivating know-how protection using passwords.

Advanced commissioning

Overview of the converter functions

Provides a functional overview of the converter, including drive control, safety functions, and motor control.

Sequence control when switching the motor on and off

Explains the sequence control rules for switching the motor on and off, including converter states.

Failsafe digital input

Explains the use and connection of failsafe digital inputs for safety functions.

Connecting the converter to PROFIBUS

Provides instructions for connecting and configuring PROFIBUS communication.

Drive control via Modbus RTU

Explains drive control using Modbus RTU for cyclic process and acyclic parameter data transfer.

Drive control via USS

Details drive control using USS for cyclic process and acyclic parameter data transfer.

Drive control via Ethernet/IP

Explains drive control using Ethernet/IP for cyclic process and acyclic parameter data transfer.

Switching over the drive control (command data set)

Details how to switch over master control and manage command data sets for different settings.

Motor holding brake

Explains the function of the motor holding brake and its commissioning.

Safe Torque Off (STO) safety function

Details the STO safety function, its principle of operation, and commissioning procedures.

Commissioning STO

Covers commissioning tools (Startdrive) and password protection for safety functions.

Forced checking procedure

Describes the converter self-test for safety functions and its monitoring time.

Acceptance test

Covers acceptance testing of safety-relevant functions and components, including documentation.

Setpoints

Explains how the converter receives setpoints from various sources like fieldbus or analog inputs.

Setpoint processing

Describes functions influencing setpoints, such as invert, inhibit direction, and skip frequency bands.

PID technology controller

Details the PID controller's implementation, basic settings, and controller parameter adjustment.

Autotuning the PID technology controller

Explains the autotuning function for automatic optimization of the PID technology controller.

Motor control

Covers methods for ensuring motor speed follows setpoints, including U/f control and vector control.

Sensorless vector control

Describes the structure of sensorless vector control and its closed-loop operations.

Optimizing the speed controller

Guides on optimizing speed control response, including manual adjustment and critical applications.

Electrically braking the motor

Covers electrical braking methods: DC braking, compound braking, and dynamic braking.

Overcurrent protection

Explains how the I-max controller prevents high motor current and manages acceleration/deceleration.

Converter protection using temperature monitoring

Covers converter temperature monitoring, overload responses, and thermal protection.

Motor protection with temperature sensor

Describes motor protection using KTY84, temperature switches, PTC, and Pt1000 sensors.

Motor protection by calculating the temperature

Explains motor temperature calculation using thermal models and their response.

How do I achieve a motor overload protection in accordance with IEC/UL 61800-5-1?

Guides on achieving motor overload protection using thermal models and parameter adjustments.

Motor and converter protection by limiting the voltage

Details protection against overvoltage by monitoring DC link voltage and limiting output voltage.

Alarms, faults and system messages

Provides an overview of diagnostic types: LEDs, alarms, faults, and I&M data.

Alarms, alarm buffer, and alarm history

Explains alarms, their properties, and how they are stored in the alarm buffer and history.

Faults, alarm buffer and alarm history

Covers faults, their properties, and how they are stored in the fault buffer and history.

List of alarms and faults

Provides a list of common alarms and faults with their causes and remedies.

Corrective maintenance

Replacing the converter hardware

Details preconditions and procedures for replacing a converter with a different type.

Downloading the converter settings

Explains how to download settings from memory cards or PC using Startdrive.

Firmware upgrade and downgrade

Covers procedures for upgrading and downgrading the converter firmware.

If the converter no longer responds

Troubleshooting steps for when the converter does not respond to commands.

Technical data

Electromagnetic compatibility of the converter

Explains EMC requirements, environments, categories, and measures for compatibility.

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