Siemens MCC-3298 user manual Contents

Contents

1	Introduction		2
1.1	About this Manual		3
1.2	About the SAMMS-LV Device		3
	1.2.1 The SAMMS-LV Device Models		4
	1.2.2	Advanced Protection for Low-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-LV Device		7
2.1	Receiving and Storing the SAMMS-LV 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-LV Device	9
	2.4.5	Communications Connection	9

3	Operating the SAMMS-LV 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-LVX Only)	17

3.9Ridethrough Upon Loss of Power

	(SAMMS-LVX Only)	17
3.10	Overload Protection	17
3.11	Motor Ambient Temperature	17
3.12	Protection Curves and Overload
	Classes	17
3.13	Ultimate Trip Level and Service Factor	22
3.14	Phase Unbalance	22
3.15	Dual Overload Protection (SAMMS-LVX Only) . 22
3.16	Jam Protection (SAMMS-LVX Only)	22
3.17	Loss of Load Protection/Warning
	(SAMMS-LVX Only)	22
3.18	Process Current Warning (SAMMS-LVX Only) . 22
3.19	Stator Protection	23
3.20	Repetitive Starts	23
3.21	Start Inhibit	23
3.22	Cooling Time Constants	23
3.23	Normalized Temperature Rise for Class B and
	Class F Insulation	23
3.24	Ground Fault Detection	23
3.25	Autoreset After a Trip (SAMMS-LVX Only)	24
3.26	Emergency Restarting	24
3.27	Using the Hand Held Communicator (HHC) ...	24
	3.27.1The (F)unction Key	26
	3.27.2The LIST Key	26
	3.27.3UP and DOWN Keys	26
	3.27.4Using the ENTER Key	26
3.28	Using the SAMMS-LV Device
	Functions	29
	3.28.1Program Mode/Passwords	29
	3.28.2 SAMMS-LV Functions	31
4	Troubleshooting the SAMMS-LV
	Device	39
Appendix A - Technical Specifications of the
	SAMMS-LV Device	42

©Copyright 1994 Siemens Energy & Automation, Inc.

SIEMENS is a registered trademark of Siemens AG. ACCESS, SAMMS, SAMMS-LV, 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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