Telemecanique Altivar 56 manual - Northern Industrial

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Bulletin No. 50006-519-01BDecember 1996Chapter 6 — Class 8839 ALTIVAR 56 Combination DevicesPower Circuit Y Bypass PackageThe diagram shown in Figure 86 can be used for applications in which the powerconverter start/stop operation is controlled by a user-supplied Hand-Off-Autoswitch, and speed is controlled by a user-supplied speed potentiometer (for Handmode) and a user-supplied 4 - 20 mA DC speed reference signal (for Auto mode).HandOffAutoTB6TB7TB4(LI2)(LI3)(+24 V)2.5 kΩHiWiperLowTB9(+10 VDC)TB10(AI1)TB11(COM)TB12TB32* JumperRemote Speed Potentiometer(S)TB33Remote HOAAuto StartContactTB4TB8(+24 V)(LI4)Figure 86: Remote Wired Hand-Off-Auto and Manual Speed PotentiometerMOD E07CSA Certification (if used)MOD F07Smoke Purge Option (if used)MOD E07 Provides a Canadian Standards Association (CSA) certification labelwhen required by local code requirements.MOD F07 provides a smoke purge operating mode controlled by a user-supplied120 VAC signal applied between terminals TB26 and TB27. When 120 VAC issupplied to TB26 and TB27, motor operation is transferred to line power (if notoperating in this mode already). The jumpers between terminals TB18 and TB19,TB20 and TB21, and TB22 and TB23 must be removed before using this mode.© 1996 Square D All Rights Reserved145ηττπ://νιχοντρολσ.χοm
Chapter 6 — Class 8839 ALTIVAR 56 Combination DevicesBulletin No. 50006-519-01BPower Circuit Z Remote Starter Bypass Package December 1996POWER CIRCUIT ZREMOTE STARTERBYPASS PACKAGEOperator Controls —General Arrangement andOperationAdjustable Speed OperationBypass OperationFreeze/Fire Stats Interlocks(if used)The Remote Starter Bypass Package allows you to run the motor from the powerconverter or from a user-supplied, separately-mounted full or reduced voltagestarter (bypass mode). The motor can be run in the bypass mode in the unlikelyevent the power converter becomes inoperative.The Remote Starter Bypass Package consists of IEC rated isolation and transfercontactors with Class 10 overloads, line fuses, 120 V control transformer, motorcircuit protector disconnect with means for locking in the open position, AFC-Off-Bypass switch, Hand-Off-Auto switch, and a manual speed potentiometer. A7/16", 1/2", or 9/16" socket hand tool is included for removing line fuses to isolatethe power converter during servicing. See “PROPER DRIVE ISOLATIONMETHOD” on page 150.Operator controls are located on the front of the BELE box cover unless option D07is included. Option D07 omits the Hand-Off-Auto switch and manual speedpotentiometer, and no operator controls are present on the BELE box cover. Ifoption A07 or B07 is included, a pilot light cluster will also be present on the frontof the BELE box cover. The AFC-Off-Bypass switch allows you to select eitheradjustable speed operation of the motor through the power converter (AFCposition), or to transfer control of the motor to a user-supplied, remote-mountedfull or reduced voltage starter (Bypass position). The Hand-Off-Auto switch andmanual speed potentiometer control operation of the power converter which isfactory configured for terminal command mode.To control the operation of the motor with the power converter, the controllerdisconnect switch located on the front of the BELE box must be in the closedposition, and the AFC-Off-Bypass switch must be in the AFC position. There arethree modes of operation with the Hand-Off-Auto switch: Hand, Off, and Auto.Hand mode is for local control. As soon as Hand mode is entered, the powerconverter is placed in running mode. In Hand mode, the speed potentiometermounted on the BELE box is used to control the speed of the controller.Off mode commands the power converter to stop the motor by either following theprogrammed deceleration ramp (factory setting) or by freewheel stopping.Auto mode is for remote control and places the power converter in a running modeas soon as a user-supplied run contact is closed between controller terminals TB4and TB8. In Auto mode, motor speed is varied by adjusting the user-supplied autospeed reference signal (4 - 20 mA) supplied to the terminals TB13 (+), TB11 (–), andTB12 (Shield) in the BELE box. Refer to Chapter 5 for scaling of this signal.To control the operation of the motor with a user-supplied, separately-mountedstarter, the AFC-Off-Bypass switch must be in the Bypass position. When the AFC-Off-Bypass selector switch is placed in the Bypass position, motor operation istransferred to the user-supplied starter. If the selector switch is moved to the Offposition, the transfer contactor will open and the motor will stop.Terminals TB22 and TB23 are dedicated terminals for accepting a user-suppliedfreeze/fire stat interlock (normally closed). The drive output isolation contactorand transfer contactor will open if the connection between terminals TB22 andTB23 is opened. As a result, the motor will stop. Remove the factory jumper wirelocated on these terminals prior to installation of interlock.146 © 1996 Square D All Rights Reservedηττπ://νιχοντρολσ.χοm
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Telemecanique Altivar 56 manual - Northern Industrial

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