Contents

1

Introduction

2

1.1

About this Manual

3

1.2 About the SAMMS-MV Device

3

 

1.2.1 The SAMMS-MV Device Models

4

 

1.2.2

Advanced Protection for Medium-Voltage

 

 

Motors

4

 

1.2.3

Overload Protection

5

 

1.2.4

Programming Control Circuits

5

 

1.2.5 Using the Standardized Control Panel ....

5

2

Installing the SAMMS-MV Device

7

2.1Receiving and Storing the SAMMS-MV Device . 7

2.2

Where to Locate the Device

7

2.3

Mounting the Device

7

2.4

Connecting the Device

7

 

2.4.1

Wiring Guidelines

7

 

2.4.2

Grounding the Device

9

 

2.4.3

Connecting the Device to a Control Power

 

 

Source

9

 

2.4.4

Connecting Input and Output Devices to

 

 

 

the SAMMS-MV Device

9

 

2.4.5

Communications Connection

9

3

Operating the SAMMS-MV Device

11

3.1

Password Protection

11

3.2

Using the Reset/Test Push Button

11

 

3.2.1 Performing a Lamp Test

11

 

3.2.2 Performing an Overload Relay Test

11

3.3

Motor Control

11

3.4

Output Devices

12

3.5

Input Devices

12

3.6

Ladder Diagrams

13

 

3.6.1 Library of Standard Ladder Diagrams ...

13

 

3.6.2 Custom Ladder Diagrams

13

3.7

Incomplete Sequence

17

3.8

Intelligent Reduced-Voltage

 

 

Starting (SAMMS-MVX Only)

17

3.9Ridethrough Upon Loss of Power

 

(SAMMS-MVX Only)

17

3.10

Overload Protection

17

3.11

Motor Ambient Temperature

17

3.12

Protection Curves and Overload

 

 

Classes

19

3.13

Ultimate Trip Level and Service Factor

23

3.14

Phase Unbalance

23

3.15

Dual Overload Protection

23

3.16

Jam Protection (SAMMS-MVX Only)

23

3.17

Loss of Load Protection/Warning

 

 

(SAMMS-MVX Only)

23

3.18

Process Current Warning (SAMMS-MVX Only) 23

3.19

Stator Protection

23

3.20

Rotor Protection

23

3.21

Repetitive Starts

24

3.22

Start Inhibit

24

3.23

Cooling Time Constants

24

3.24

Normalized Temperature Rise for Class B and

 

 

Class F Insulation

24

3.25

Ground Fault Detection

24

3.26

Autoreset After a Trip (SAMMS-MVX Only)

26

3.27

Emergency Restarting

26

3.28

Using the Hand Held Communicator (HHC) ...

26

 

3.28.1The (F)unction Key

26

 

3.28.2The LIST Key

26

 

3.28.3UP and DOWN Keys

28

 

3.28.4Using the ENTER Key

28

3.29

Using the SAMMS-MV Device

 

 

Functions

28

 

3.29.1Program Mode/Passwords

32

 

3.29.2 SAMMS-MV Functions

32

4

Troubleshooting the SAMMS-MV

 

 

Device

40

Appendix A - Technical Specifications of the

 

SAMMS-MV Device

43

©Copyright 1994 Siemens Energy & Automation, Inc.

ACCESS, SAMMS, SAMMS-MV, Series 81000, SEAbus, Power Monitor, Power Monitor PC, WinPM, and SIEServe are trademarks of Siemens Energy & Automation, Inc. Microsoft is a registered trademark and Windows is a trademark of Microsoft Corporation. IBM is a registered trademark of International Business Machines, Inc.

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Siemens SAMMS-MV user manual Contents