Siemens 125-3208 operating instructions Example SED2 Settings

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Application Feature Setup

NOTES:

1.All safety conditions must be met for bypass mode operation.

2.The input contactor remains energized.

The Electronic Bypass Option will return to VFD mode operation as soon as the SED2 Relay in control opens. When the Electronic Bypass Option returns to VFD mode operation, the following occurs:

•The SED2 Relay opens, the Programmable Output on the Controller board opens, and the bypass contactor opens.

•The output contactor closes.

NOTE: All safety conditions must be met for VFD mode operation.

Settings

The Auto Bypass feature requires that Controller board DIP Switch 2 is set ON.

NOTE: During operation, the Auto Bypass Enabled indicator is on steady.

ON

1 2 3 4 5

VFD0117R1


	5


	4


	3

		2
		2
ON

	1

	SW1

OFF

Example SED2 Settings

Set parameters P0732 and P0748 for Auto Bypass on Drive Fault. Programming of the SED2 Relay is required for proper Auto Bypass activation. Set P0732 and P0748 as follows:

Parameter	Setting

P0732 in000	52.3

P0732 in001	52.3

P0748

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Contents SED2 VFD Electronic Bypass Options Page SED2 VFD Electronic Bypass Option Operating Instructions Page Service Statement Page Table of Contents Technical Specifications Troubleshooting Application Feature SetupManual Notations How to Use this ManualNotation Symbol Meaning Manual OrganizationReference Documents Where To Send CommentsSafety Instructions Electronic Bypass Option Overview General DescriptionFuses optional Controller Board Inputs and Outputs Controller BoardKeypad Functions ContactorsDescription Pushbutton/IndicatorOutput relay on the Controller board Pushbutton/Indicator DescriptionEnvironmental Conditions Installation InstructionsMechanical Installation Dimensions and WeightsMounting Bypass Dimensions in Inches CentimetersFrame 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 Power-On Startup ProceduresSafety Precautions Installation InspectionDIP Switch Settings for E-Bypass Features Switch Description PositionQuick Commissioning Parameter Description Action Setting Default User Access LevelQuick Commissioning Operation for Europe/N AmericaRated Motor Voltage Rated Motor Efficiency P0309 Rated Motor PowerRated Motor Current Rated Motor cosPhi P308, orRated Motor Speed Rated Motor FrequencySelection of Command Source Start CommandMotor Overload Factor Speed Command Source Selection of FrequencySetpoint Minimum Motor Frequency Ramp-up Time Maximum Motor FrequencyEnd Quick Commissioning Ramp-down timeR0000 Additional Parameter SettingsFlying Start Flying StartSearch Rate Flying Start Motor Current Flying StartAutomatic Restart Automatic RestartSED2 VFD Electronic Bypass Option Operating Instructions Time to First Restart Number of Restart AttemptsRestart Time Increment Vdc ControllerPulse Frequency Motor Data Identification Motor Data IdentificationMotor Data Identification P0970 Reset to Factory DefaultsParameter Setting Required SED2 Parameter SettingsDescription Application Feature SetupOverview Auto Bypass without InterlockExample SED2 Settings SettingsInterlock Application Feature Setup Wiring Example for Interlock Essential ServicesWiring Example for Essential Services Wiring Example for Interlock and Auto Bypass on VFD Fault Interlock and Auto Bypass on VFD FaultElectronic Bypass Specifications Technical SpecificationsSpecifications Description Drive Specifications DescriptionSED2 VFD Electronic Bypass Operating Instructons Drive Specifications DescriptionBasic Sanity Test Fault Codes TroubleshootingPower-on Initialization Failure Unit Fault Condition Basic Sanity Description Test Fault Code/FlashesFuses Override JumperFuse Replacement Information VFD0122R2 Troubleshooting Siemens Building Technologies, Inc