Minimum Motor Frequency | Siemens 125-3208 instruction

SED2 VFD Electronic Bypass Option Operating Instructions

Parameter	Description			Action	Setting/
Parameter	Description			Action	Default
					Default

P1000[1]**	Selection of Frequency	1.	Press	to advance to index	Setting = 1
	Setpoint	1.	Press	to advance to index
			[1], IN001, HAND.		Default = 1
	(Speed Command Source)				Default = 1
	(Speed Command Source)
	Selects the frequency setpoint	2.	Press	to confirm index
	Selects the frequency setpoint		selection.
	source as follows:
	1 = Motor potentiometer	3.	Press	to advance to 1.
	setpoint/AOP
	2 = Analog input	4.	Press	to confirm and save
	2 = Analog input		the setting.
			the setting.
	3 = Fixed frequency
	4 = USS on BOP Link/AOP	5.	Press	again to return to the
	4 = USS on BOP Link/AOP		parameter selection level.
	5 = USS on COM link
	6 = CB (Communications board
	or module) on COM link (P1/N2)

P1080	Minimum Motor Frequency	1.	Press	to advance to	Site Setting
		1.	Press	to advance to
	0 Hz to 650 Hz		parameter P1080.		(20% to 30%
	0 Hz to 650 Hz				(20% to 30%
					Max)
	Minimum motor frequency at	2.	Press	to access the	Default = 10
	which the motor will run		parameter values level.		Default = 10
	irrespective of the frequency
	setpoint. This value applies to
	both clockwise and	3.	Press	to advance to
	counterclockwise rotation.		desired value.
		4.	Press	to confirm and save
			the setting.

** Parameters have two index settings: IN000 = Auto and IN001 = Hand.

28	Siemens Building Technologies, Inc.

Image 36

Siemens 125-3208 operating instructions Minimum Motor Frequency

Contents

SED2 VFD Electronic Bypass Options Page SED2 VFD Electronic Bypass Option Operating Instructions Page Service Statement Page Table of Contents Application Feature Setup Technical Specifications Troubleshooting How to Use this Manual Notation Symbol MeaningManual Organization Manual Notations Where To Send Comments Reference Documents Safety Instructions Electronic Bypass Option Overview General DescriptionFuses optional Controller Board Controller Board Inputs and Outputs Contactors Keypad Functions Pushbutton/Indicator Description Pushbutton/Indicator Description Output relay on the Controller board Installation Instructions Mechanical InstallationDimensions and Weights Environmental Conditions Bypass Dimensions in Inches Centimeters Mounting Frame Sizes D and E Conduit Locations Viewed from Bottom Electrical Installation Bypass Power Circuit Routing of Power and Control Wiring For Frame Sizes a and B Disconnect Overload Ground Lug Switch Disconnect Overload Ground Lug Wire Max Startup Procedures Safety PrecautionsInstallation Inspection Power-On Switch Description Position DIP Switch Settings for E-Bypass Features Quick Commissioning Parameter Description Action Setting Default User Access LevelQuick Commissioning Operation for Europe/N AmericaRated Motor Voltage Rated Motor Power Rated Motor CurrentRated Motor cosPhi P308, or Rated Motor Efficiency P0309 Rated Motor Frequency Rated Motor Speed Selection of Command Source Start CommandMotor Overload Factor Speed Command Source Selection of FrequencySetpoint Minimum Motor Frequency Maximum Motor Frequency Ramp-up Time Ramp-down time End Quick Commissioning Additional Parameter Settings Flying StartFlying Start R0000 Motor Current Flying Start Search Rate Flying Start Automatic Restart Automatic Restart SED2 VFD Electronic Bypass Option Operating Instructions Number of Restart Attempts Time to First Restart Vdc Controller Restart Time Increment Pulse Frequency Motor Data Identification Motor Data Identification Motor Data Identification Reset to Factory Defaults P0970 Required SED2 Parameter Settings Parameter Setting Application Feature Setup OverviewAuto Bypass without Interlock Description Settings Example SED2 Settings Interlock Application Feature Setup Essential Services Wiring Example for Interlock Wiring Example for Essential Services Interlock and Auto Bypass on VFD Fault Wiring Example for Interlock and Auto Bypass on VFD Fault Technical Specifications Specifications DescriptionDrive Specifications Description Electronic Bypass Specifications Drive Specifications Description SED2 VFD Electronic Bypass Operating Instructons Troubleshooting Power-on Initialization Failure Unit Fault ConditionBasic Sanity Description Test Fault Code/Flashes Basic Sanity Test Fault Codes Override Jumper Fuses Fuse Replacement Information VFD0122R2 Troubleshooting Siemens Building Technologies, Inc