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41

ECB Hand/OFF/Auto

General Information
The HAND ON, OFF RESET, and AUTO ON
keys on the drive keypad control both the
drive and bypass (see Figure 6-1). The
DRIVE BYPASS key allows the user to locally
select drive or bypass mode of operation. It
does not necessarily start or stop the motor.

Prior to Enabling Hand/Off/Auto

Complete the start-up procedure to
verify motor rotation direction in
bypass is correct and that the system
is ready in all respects for continuous
full speed operation in bypass.

Programming Key Functions
For the OFF RESET and DRIVE BYPASS
keys, the table below lists the parameters
that select functions for the control keys. A
password protection can also be assigned in
these parameters.

Operation

HAND ON allows the user to start the
motor locally from the keypad. Press
the HAND ON to start the motor locally
either in drive or bypass mode.

OFF RESET allows the user to stop
the motor locally from the keypad.
Press the OFF RESET to stop the
motor locally, either in drive or bypass
mode.

AUTO ON allows the motor to be
started remotely from digital input or
serial communications. Press AUTO
ON to activate remote motor start and
stop from a digital input or serial
communications in drive or bypass
mode.

Press the DRIVE BYPASS key to
initiate the display to toggle between
drive or bypass mode of operation.
Press the OK key to accept the
change or CANCEL key to cancel the
action.

Table 6-4.  LCP Control Keys Programming

Parameter number 

Key 

Function 

00-44 

Off / Reset 

This disables or enables the [Off / Reset] key on LCP. 

(0) disabled, (1) enabled, (2) password 
Default value is (1) enabled. 

00-45 

Drive / Bypass 

This disables or enables the [Drive Bypass] key on LCP. 

(0) disabled, (1) enabled, (2) password 
Default value is (1) enabled. 

Summary of Contents for VLT Option Panel

Page 1: ...Option Panel Instruction Manual Use this manual for installation and start up of drives with option panels...

Page 2: ...accordance with applicable national and local regulations 4 While programming parameters the motor may start without warning Activate the STOP OFF key on the control keypad when changing parameters 5...

Page 3: ...g 14 Electrical Installation 16 Component Identification 17 Wire and Cable Access 18 Wire Size 19 Input Line Connection 19 Section 4 Start Up 22 Pre start Procedure 22 Inspection Prior to Start Up 23...

Page 4: ...Bypass Configurations 7 1 3 Panel Voltage and Frame Ratings 9 3 1 Tools Required 13 3 2 Approximate Shipping Weights 14 3 3 Temperature Ratings 15 3 4 Reference Designator Definitions 17 4 1 Inspectio...

Page 5: ...ween drive control operation in bypass or off In addition a test setting is available which disengages the motor from the drive but keeps the drive operational while the motor runs in bypass The switc...

Page 6: ...the full speed bypass or disconnected from both The test position applies power to the motor through the bypass M3 closed while removing power to the motor M2 open but keeps the drive powered M1 close...

Page 7: ...aterials for available options Overload protection This thermally activated device provides mechanical overload protection for the motor s while in bypass operation It measures motor current and is se...

Page 8: ...OFF RESET switch When in the ON position a trip fault removes power from the drive bypass circuit and the switch moves to the TRIP setting It must be moved to the RESET position momentarily after the...

Page 9: ...the mechanical drawing shipped with the unit for dimensions Table 1 3 Panel Voltage and Frame Ratings Table 1 3 Panel Voltage and Frame Ratings Cont as drive options without bypass See Figure 1 4 for...

Page 10: ...loss or damage across the face of the freight bill Otherwise no claim can be enforced against the transportation company If concealed loss or damage is discovered notify your carrier at once and reque...

Page 11: ...rmanently for run Pre installation Check Installation Site Check Because the option panel relies on the ambient air for cooling it is important to observe the limitations on ambient air temperature De...

Page 12: ...trical or thermal failure in components A NEMA 1 enclosure provides a reasonable degree of protection against falling particles but it will not prevent the fan from pulling dirty air into the enclosur...

Page 13: ...ons include the drive disconnect and contactor fuses See the nameplate label Figure 3 2 on the inside cover of the unit for option panel fuse ratings Fuse Manufacturer PartNumber Size F12 F13 F15 F16...

Page 14: ...h weight distributed evenly Remove skid and other supports from under drive For floor mounting applications a floor mounting kit is available from Danfoss specifically designed to anchor drive to floo...

Page 15: ...y 4 to 10 inches 100 to 250 mm minimum clearance is required depending upon the hp kW of the unit See the mechanical drawing shipped with the unit for specific requirements Figure 3 5 Cooling Airflow...

Page 16: ...N DEATH OR SERIOUS INJURY NOTE RUN INPUT POWER MOTOR WIRING AND CONTROL WIRING IN THREE SEPARATE METALLIC CONDUITS OR RACEWAYS FOR HIGH FREQUENCY NOISE ISOLATION FAILURE TO ISOLATE POWER MOTOR AND CON...

Page 17: ...to AC motor X55 Customer terminal block Customer control connection terminal block on EMB1 and EMB2 control option X56 Customer terminal block Customer control connection terminal block on EMB1 and EM...

Page 18: ...EQUENCY NOISE ISOLATION FAILURE TO ISOLATE POWER MOTOR AND CONTROL WIRING COULD RESULT IN LESS THAN OPTIMUM DRIVE AND ASSOCIATED EQUIPMENT PERFORMANCE The drive always resides in the left hand panel w...

Page 19: ...LLIC CONDUITS OR RACEWAYS FOR HIGH FREQUENCY NOISE ISOLATION FAILURE TO ISOLATE POWER MOTOR AND CONTROL WIRING COULD RESULT IN LESS THAN OPTIMUM DRIVE AND ASSOCIATED EQUIPMENT PERFORMANCE Connect 3 ph...

Page 20: ...ectrical noise Keep the ground wire connections as short as possible Motor Wiring WARNING INDUCED VOLTAGE RUN OUTPUT MOTOR CABLES FROM MULTIPLE DRIVES SEPARATELY INDUCED VOLTAGE FROM OUTPUT MOTOR CABL...

Page 21: ...to host systems through the drive Connection to the serial communication network is made either through the EIA 485 terminals on the drive Figure 3 10 or for other protocols terminals located on the...

Page 22: ...t motor and power leads are not reversed 5 Inspect the panel for loose connections on terminals 6 Check for proper ground option panel to main building distribution ground and option panel to motor gr...

Page 23: ...perature Humidity levels must be less than 95 non condensing Fan clearance Some units have a cooling fan located below the drive and require sufficient clearance for fan removal See the installation d...

Page 24: ...voltage imbalance before proceeding Repeat procedure after voltage correction if applicable MOTOR START ENSURE THAT MOTOR SYSTEM AND ANY ATTACHED EQUIPMENT IS READY FOR START FAILURE TO ENSURE MOTOR S...

Page 25: ...are within drive and motor rated current and are balanced within 3 If incorrect see Troubleshooting Section in this manual for isolation procedures c Check full load amps on input terminals L1 L2 and...

Page 26: ...Condition 10 Input Normally open dry contact CMS Motor 2 close to select 11 Input Normally open dry contact CMS common X56 12 Input Normally open dry contact CMS Motor 1 close to select Conn Term Inp...

Page 27: ...ive Output Command 1 2 Run Enable for run permissive Input Command 1 2 Safety Stop Input Command 5 6 Drive Fault Output Status 7 8 9 Fire Mode Input Command 7 8 Remote Motor 1 Select Input Command 11...

Page 28: ...act Closed indicates Motor 1 selected X55 Normally open dry relay contact Closed for remote run with common run stop close to run Normally closed dry relay contact Safety input open to stop Normally o...

Page 29: ...uto bypass enabled a fault signal from the drive will activate the auto bypass timer If the fault clears before the time delay is complete the motor remains oper ating in drive mode This allows tempor...

Page 30: ...ontinuous full speed operation in bypass Operation A user supplied remote start command wired to connector X55 terminals 3 and 4 initiates remote bypass operation With common run stop bypass mode cann...

Page 31: ...be from local hand start on the drive keypad or a remote auto start signal through digital input connector X55 terminals 3 and 4 or the serial communications input In response to a start command an ou...

Page 32: ...ration Overloads are rated by class The class is defined by the NEC to determine the maxi mum time to trip A Class 20 overload for example has a typical trip delay of 20 sec onds or less at 600 curren...

Page 33: ...The safety interlock feature prevents the drive or bypass from operating For operation in drive or bypass the safety interlock input contact must be closed Only a fire mode command to run in bypass ov...

Page 34: ...e terminals 1 common 2 and 3 report faults with 2 open and 3 closed in the fault condition Fault Reporting Function Setup For EMB2 fault reporting status is connected to connector X56 output terminals...

Page 35: ...the ECB control card see Figure 6 3 Drive analog and digital I O terminals are multifunctional and need to be programmed for their intended use while the terminals on the ECB control card are dedicat...

Page 36: ...ers To use the 24 VDC for digital input common program parameter 5 00 for PNP operation Maximum output current is 200 mA total for all 24V loads 18 19 32 33 Digital inputs Selectable for NPN or PNP fu...

Page 37: ...ION CUSTOMER DRIVE MODE MODE ENABLE BYPASS SUPPLIED CUSTOMER CUSTOMER CONNECTION OVERRIDE SUPPLIED CUSTOMER MANUAL BYPASS 11 11 MK 110 CMS MOTOR SELECTED BYPASS MODE ENABLE TEST CONNECTOR LOAD 7 8 NC...

Page 38: ...safety stop on terminal 1 User supplied dry contact X57 10 Digital input for remote overload reset User supplied dry contact Output Conn Term Function 1 Common for binary I O 2 Common for binary I O 3...

Page 39: ...Step 2 Drive Bypass Option Key Display 2 When running in drive mode press OK key on keypad to activate bypass mode or press CANCEL to remain in drive mode In bypass motor will run at full speed 5 Pre...

Page 40: ...y 2 Press UP or DOWN arrows on drive keypad to scroll through parameter groups Dotted outline surrounds selected group Bypass options are found in the 31 00 Bypass parameter group 3 Press OK key to en...

Page 41: ...ocally from the keypad Press the HAND ON to start the motor locally either in drive or bypass mode OFF RESET allows the user to stop the motor locally from the keypad Press the OFF RESET to stop the m...

Page 42: ...of the motor in bypass closed to run the motor open to remove power The control keys on the drive keypad will not control the bypass until test mode is removed Auto bypass mode When in drive mode auto...

Page 43: ...Trip Bit will be true when the ECB detects an overload trip 7 M2 Contactor Fault The Contactor Fault Bit will be true when an M2 Contactor Fault is detected 8 M3 Contactor Fault The Contactor Fault B...

Page 44: ...ts such as a momentary under or over voltage to clear without transferring the system to bypass If the timer completes its cycle before the fault clears the panel trips into bypass mode and the motor...

Page 45: ...e function Operation A start command can be initiated from local hand start serial communica tions or a remote auto start signal through digital drive input terminals In response to the start command...

Page 46: ...NDATIONS FOR TIME BETWEEN START ATTEMPTS FAILURE TO CORRECT OVERLOAD CONDITION AND LET MOTOR RETURN TO NORMAL OPERATING TEMPERATURE COULD CAUSE MOTOR DAMAGE Operation Overloads and motors are both rat...

Page 47: ...drive terminals 12 and 27 for safety interlock be aware that ECB bypass operation will NOT stop with the external fault report Use terminals 1 and 2 on connector X57 as indi cated for bypass control E...

Page 48: ...mation Drive operation in advanced fire mode is programmable In the event the drive does not function the motor is operated in bypass at full speed Fire mode is intended to ignore common safety and ov...

Page 49: ...tor combination Mounted in series with the output of the drive it functions to reduce the magnitude of voltage spikes related to PWM wave forms generated by the drive It allows the use of longer motor...

Page 50: ...may be of the same or different hp but com bined FLA of the motors must be equal to or less than the maximum output current of the drive Note that the combined hp of the two motors is not appropriate...

Page 51: ...is in the auto position either motor can be selected remotely Do not close both contacts at once The drive s smart logic controller can alternate motors when SW2 is in auto position See the drive sup...

Page 52: ...tor that connects the drive to the motor failed to open The motor can not be operated 223 M2 Close Failed ECB The contactor that connects the drive to the motor failed to close The motor can not be op...

Page 53: ...y that disconnect or circuit breaker is closed Correct any wrong connections This could potentially case damage to panel Operator switches off Verify that operator devices are in operating position pe...

Page 54: ...case damage to panel Control ground fault Check all control wires for a short to ground Correct any ground faults found This could potentially case damage to panel Open control fuse Control short Che...

Page 55: ...oil Compare coil resistance to functional contactors of the same size If readings are not the same or visible signs of damage replace coil or contactor Contactor fails to drop out Auxiliary contact bi...

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Page 60: ...s in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfoss A S All rights reserved NORTH AMERICA MOTION CONTROLS Copyright 2008 by Danfoss I...

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