Siemens SIPROTEC 5 7UM85 User Manual

SIPROTEC 5
Additional Information on
the Protection of Explo-
sion-Proof Motors with
Type of Protection
Increased Safety e
7UM85
V07.84
Manual
C53000-H5050-C078-1
Preface
Open Source Software
Table of Contents
Protection of Explosion-Proof Motors
1
Application and Setting Notes
2
Operate Curve
3
Setting Example
4
Assessment of Functional Safety
According to IEC 61508
5
Information on Installation, Connection,
and Operation
6
Maintenance
7
Appendix
A
Literature

Siemens SIPROTEC 5 7UM85 Specifications

General

Brand	Siemens
Model	SIPROTEC 5 7UM85
Category	Protection Device
Language	English

Summary

Protection of Explosion-Proof Motors

Application and Setting Notes

Overcurrent Protection

Utilizes phase and ground overcurrent functions for motor protection.

Protection for the Unbalanced Load

Protects against phase failure and asymmetrical load conditions.

Motor-Starting Time Supervision

Operate Curve

Operate Curve for Symmetric Load

Operate Curve for Asymmetrical Load

Setting Example

Motor Differential Protection

Example settings for motor differential protection parameters.

Overcurrent Protection Settings

Example settings for phase, ground, and unbalanced load overcurrent protection.

Motor Starting and Restart Settings

Load-Jam Protection Settings

Information on Installation, Connection, and Operation

Connection Diagram for ATEX Safety

Illustrates connection diagram to meet ATEX safety requirements.

Operational Safety and Fault Handling

Maintenance

Routine Tests and Safety Checks