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Siemens SAMMS-MV 2.4.2 Grounding the Device, 2.4.3 Connecting the Device to a Control Power Source, 2.4.4 Connecting Input and Output Devices to the SAMMS-MV Device, 2.4.5 Communications Connection

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2 Installing the SAMMS-MV Device

2.4.2 Grounding the Device

As stated in Guideline 5, ground each motor controller at a

single ground point. The grounding path to earth must be

permanent and continuous. It must also be able to safely

conduct ground fault currents that may occur in the system to

ground through minimum impedance. The earth ground does

not carry any current under normal conditions.

Note: Do not ground the SAMMS auxiliary current sensor (ACT)

leads. (See figure 2.1.)

Connect a ground bus to the chassis of each controller or to the

chassis of the mounting equipment containing the earth ground

through a grounding conductor.

Refer to Article 250 of the National Electrical Code for informa-

tion about the types and sizes of wire conductors and methods

for safely grounding electrical equipment and components.

2.4.3 Connecting the Device to a ControlPower Source

The SAMMS-MV device requires a 12 VAC control power

source in order to operate. Connect the control power source

to terminals 5 and 6 located on the top of the relay.

2.4.4 Connecting Input and Output Devicesto the SAMMS-MV Device

Connect your devices to the input and output connections on

the SAMMS-MV device as illustrated in Figure 2.2.

2.4.5 Communications Connection

The SAMMS-MV device is equipped with an RS-485 commu-

nications port on the back of the device. The communications

port allows connection to a communications module which

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678 9 10 11 12 13 14 15 16

SAMMS-MVX

LED LED on LED Flashing

Current

Unbalance

Impending

Trip

Overload

Trip

Incomplete

Sequence

External

TripAlarm

CPU

Fault

Ground

Fault

> 40% 20 - 40%

> 110% > 100%

< 110%

Overload Start

Inhibit

Trip

Trip:Loss

of Load, or

Jam, or

RTDInput

Alarm: Loss

of Load or

Prcs Current

Trip:CPU

Failure or

Low Voltage

Trip Alarm

CPU

Fault

Ground

Fault

Ready

Current

Unbalance

Impending

Trip

Overload

Trip

Incomplete

Sequence

External

Trip/Alarm

Reset/Test

ACT RETURN

ACT INPUT 1

ACT INPUT 2

ACT INPUT 3

ALARM RELAY OUTPUT

115VAC (CPT INPUT)

12VAC (CPT INPUT)

12VAC (CPT INPUT)

AC INPUT 4

AC INPUT 3

AC INPUT 2

AC INPUT 1

RETURN

OUTPUT 3

OUTPUT 2

OUTPUT 1

Figure 2.2 Terminal block assignments

Contents

Main Page 1 Introduction .............................................2 2 Installing the SAMMS-MV Device.......... 7 3 Operating the SAMMS-MV Device ......11 Contents 1 Introduction Signal Words Dangerous Procedures Field Service Operation Qualified Person 1.1 About this Manual 1.2 About the SAMMS-MV Device 12345678910 11 12 13 1415 16 1.2.1 The SAMMS-MV Device Models 1.2.2 Advanced Protection for Medium-Voltage Motors 1.2.3 Overload Protection 1.2.4 Programming Control Circuits 1.2.5 Using the Standardized Control Panel Diagnostics Statistical Data about the Motor Page 2 Installing the SAMMS-MV Device 2.1 Receiving and Storing the SAMMS-MV Device 2.2 Where to Locate the Device 2.3 Mounting the Device 2.4 Connecting the Device Page 2.4.2 Grounding the Device 2.4.3 Connecting the Device to a Control Power Source 2.4.4 Connecting Input and Output Devices to the SAMMS-MV Device 2.4.5 Communications Connection Page 3 Operating the SAMMS-MV Device 3.1 Password Protection 3.2 Using the Reset/Test Push Button 3.2.1 Performing a Lamp Test 3.2.2 Performing an Overload Relay Test 3.4 Output Devices AC Outputs Control Relays Timing Relays Pilot LEDs 3.6 Ladder Diagrams 3.6.1 Library of Standard Ladder Diagrams 3.6.2 Custom Ladder Diagrams 14 12345 Figure 3.4 Assignment of pushbuttons and light bars L1 L2 L3 STOP or OFF AUTO or OFF or HAND or 15 Table 3.3 Standard control circuits 16 Table 3.3 Standard control circuits (continued) 3.7 Incomplete Sequence 3.8 Intelligent Reduced-Voltage Starting 3.9 Ridethrough Upon Loss of Power 3.10 Overload Protection Page 3.12 Protection Curves and Overload Classes 20 Iratio I Iratio I 21 Iratio I Iratio I Seconds 3.13 Ultimate Trip Level and Service Factor 3.14 Phase Unbalance 3.15 Dual Overload Protection 3.16 Jam Protection (SAMMS-MVX Only) 3.21 Repetitive Starts 3.22 Start Inhibit 3.23 Cooling Time Constants Page Size Pickup Current Range Default Pickup Current H3A 7A to I 10A H3B 7A to I 10A H3C 7A to I 10A H6 7A to I 20A 3.26 Autoreset After a Trip (SAMMS-MVX Only) 3.27 Emergency Restarting 3.28 Using the Hand Held Communicator (HHC) Page 3.28.3 UP and DOWN Keys 3.28.4 Using the ENTER Key 3.29 Using the SAMMS-MV Device Func- tions Page Page 31 F No Yes Figure 3.13 Entering and changing passwords 3.29.1 Program Mode/Passwords 3.29.2 SAMMS-MV Functions F0 - Ambient Temperature F1 - Control Circuit Number and Incomplete Se- quence Status F2 - Size for Overload Relay #1 F3 - Size for Overload Relay #2 (SAMMS-MVX Only) F4 - Full-Load Current for Overload Relay #1 Overload Relay Size Setting Range Step Default H3A 18 to 72A 1A 18 H3B 60 to 240A 1A 60 H3C 192 to 400A 1A 192 H6 320 to 720A 2A 320 F6 - Service Factor F6A - Motor Type F7 - Overload Trip Class F7A - Cold Stall Time F8 - Autoreset (SAMMS-MVX Only) F9 - Phase Unbalance Protection F10 - Display Time to Restart F11 - Emergency Restarting F12 - Ground Fault Protection or Warning F12A - Ground Fault Pickup Current Size Pickup Current Default H3A-H3C 7A-I 10A H6 7A-I 20A F13 - Set Programmable Timer #1 F14 - Set Programmable Timer #2 F16 - Trip Current F17 - Current Unbalance F18 - Display Total Elapsed Run Time of the Motor Actual Number of Hours Displayed Time 00.0 9999 999.9 10000 1000 65535 6553 65536 0.0 (roll over) F19 - Number of Motor Starts F22 - Process Current Warning Level (SAMMS-MVX Only) F23 Jam Protection (SAMMS-MVX Only) F23A Jam Pickup Current (SAMMS-MVX Only) F24 - Loss of Load Protection or Warning (SAMMS-MVX Only) F24A - Loss of Load Pickup Current (SAMMS-MVX Only) F26 - Baud Rate F27 - Address 4 Troubleshooting the SAMMS-MV Device Page Page Appendix A - Technical Specifications of the SAMMS-MV Device Page Page Page L1ALG0000 SAM6 Configuration 47 Figure A-1Figure A-1 S1 - 1 S1 - 2 S2 - 1 S2 - 2 S2 - 3 S2 - 4 S2 - 5 SWITCH # FUNCTION POSITION Figure A-2Figure A-2 Figure A-2 Overall Dimensions and Mounting Diagram Figure A-3 Figure A-3 Figure A-3 Alarm Contact Configuration Switches (SAMMS-MVX Only)