Siemens SINAMICS PERFECT HARMONY GH150 User Manual

5 safety rules
1. Disconnect the system.
Also disconnect the auxiliary circuits, for example, anti-condensation heating.
2. Secure against reconnection.
3. Verify absence of operating voltage.
4. Ground and short-circuit.
5. Provide protection against adjacent live parts.
To energize the system, apply the measures in reverse order.
2.4 Safe handling
Danger as a result of high voltages from external supplies
Even if the circuit breaker is open, parts of the converter can be under voltage (live) as a result
of the auxiliary voltage at the premagnetization, precharging or demagnetization transformers.
This danger is not limited to the converter, but can also occur with components that are
electrically connected to the converter (e.g. circuit breakers or isolators). Touching live parts
can result in death, serious injury, and damage to property.
● Isolate all components that can feed voltage to the converter before commencing work.
Danger due to high voltage in operation
When operating this equipment very high voltages develop. Even after switching off the mains
voltage, or while the connected machine is still turning, high voltages can remain for a
prolonged length of time. High voltages can cause death or serious injury if the safety rules are
not observed or if the equipment is handled incorrectly.
● Operate the device properly.
● Always follow the "The five safety rules (Page 15)" when performing any work.
● Service and maintain the device regularly and correctly.
Danger as a result of induced voltage
Rotating machinery can induce dangerous high voltages and synchronous motors that are not
de-excited immediately can also pose a hazard. If the connection to the motor is not isolated or
grounded, these voltages can also remain. Touching live parts can result in death or serious
injury.
● Before opening the doors, wait until the connected machine has come to a standstill.
Safety instructions
2.4 Safe handling
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
16 Operating Instructions Rev.201910281231 EXAMPLE

Siemens SINAMICS PERFECT HARMONY GH150 Specifications

General

Brand	Siemens
Model	SINAMICS PERFECT HARMONY GH150
Category	DC Drives
Language	English

Summary

Safety Instructions

Warning Symbols and Basic Safety Rules

Explains warning symbols, defines qualified personnel, and lists five safety rules.

Handling Hazards and ESD Precautions

Details hazards from high voltages, arcing, burns, and ESD, with protective measures.

Description

Preparations for Use

Assembly

Assembly Safety, Tools, and Cabinet Connections

Covers assembly safety, required tools, joining cabinets, and water circuit connections.

Electrical Connection

Electrical Safety and EMC

Essential safety rules for electrical connections and electromagnetic compatibility guidelines.

Grounding and Cable Management

Detailed steps for grounding the system and routing signal/power cables effectively.

Power and Auxiliary Voltage Connections

Commissioning

Commissioning Process and Safety Precautions

General information and critical safety warnings for the commissioning phase.

Operation

Operational Safety and Fault Management

Key safety rules during operation and procedures for handling faults and alarms.

Fault and System Message Diagnostics

Maintenance

Maintenance Safety and System Grounding

Safety instructions for maintenance tasks and procedures for system grounding.

Preventive Maintenance and Inspections

Service & Support

Technical Support and Contact Information