Delta Tau 3Ax-602646-xUxx manual Grounding, PMAC2 I-Variables Setup

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Quad Amp Hardware Reference Manual

Grounding

General

It is important to follow some precautions to avoid ground loops or unwanted electrical noise disturbances.

•All signal cables must be shielded.

•Two or more power wires in the same sleeve must be twisted and shielded.

•A shield that does not carry current can be connected at both ends

•A cable with low power electrical signals should never run in the same proximity of high power cables.

Main Power Supply (DC Bus)

The Quad Amplifier chassis must be connected to earth (ground). A ground screw, designated E on the Quad Amplifier, has been provided for this and is located on the top panel of the amplifier.

Motor

Each motor housing must be connected to Chassis Ground. A Chassis Ground terminal is provided for each motor at the motor output terminal block. Motor leads should be shielded to help avoid stray electrical noise and electrical radiation.

PMAC2 I-Variables Setup

Reference the PMAC2 Family Addendum to the PMAC User Manual and Software Reference for information on how to set up all the I-variables and other necessary parameters. The preferred method for tuning the amplifier is to use the P2 Setup software package available from Delta Tau. There are several PMAC2 I-variables we emphasize for proper operation of the Quad Amplifier.

Ix00

This parameter determines whether a motor is active (Ix00=1) or inactive (Ix00=0). An active motor may be enabled (either in open or closed loop) or disabled, depending on commands or events.

Ix01

Must be set to 1 to enable commutation for any motor connected to the Quad Amplifier.

Ix02

Must contain the address of the A output register for the machine interface channel n used to connect to the amplifier. Usually, channel number n equals motor number x. The default values of Ix02 are valid when n = x.

Ix25

Must contain the address of the flag register for the machine interface channel n used to connect to the Amplifier. The same interface channel number must be used for the flags and the command outputs! Default values for Ix25 are valid when n = x.

Ix82

Must contain the address of the B current feedback register for the machine interface channel n used to connect to the amplifier. Usually, channel number n equals motor number x. The default values of Ix82 are valid when n = x.

I900

I900 controls the maximum phase clock frequency for PMAC2 and the PWM frequency for machine interface channels 1-4. Refer to PMAC2 Family Addendum to User Manual and Software Reference for further information. If I900 is accidentally set above approximately 15 kHz, the Quad Amplifier will disable all enabled axes and the LED display will show a code 9.

Installation

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Contents Quad Amp Delta Tau Data Systems, Inc. Technical Support Copyright InformationTable of Contents Jumpers, Potentiometers, Test Points, and LEDs Live Circuit Contact Procedures Safety SummaryIntroduction Related Technical DocumentationPhysical Specifications Quad Amp Basic SpecificationsElectrical Specifications Bus Supply, Control Supply and Shunt Specifications380/460/480V Quad Amplifier Specifications Quad Amp Specifications Output Specifications for 120/208/230 VAC AmplifierOutput Specifications for 380/460 VAC Amplifier Protection Power Blocks Description Configurable OptionsDescription Mounting Options DescriptionACC8F Accessories DescriptionGetting Started Installation Considerations and OptionsReceiving and Handling Equipment RequiredVibration Heat DissipationMultiple Units Theory of Operation ConfigurationOperation Logic BoardCurrent Sense Board DC Bus Power SupplyFiring Boards Soft Start and Shunt RegulatorShunt Considerations Heat DissipationQuad Amp Hardware Reference Manual Theory of Operation Wiring the Quad Amplifier System InstallationTypical Quad Amplifier Setup Quad Amplifier Channel ConnectionsConnecting Power Devices Non-Standard Quad Amplifier SetupAccessory Terminal Board Acc-8F, Acc-24E2 PWM Input Cables ConnectorsTOP View Pin# Symbol Function Description Control AC Input Voltage Main AC Input PowerFor 480 VAC Operation For 460 VAC OperationBus Filter/Indicator Bus Power Enable/Emergency StopMotor Wiring Shunt and BusSymbol Description Name Position Description DefaultCurrent Sense Board Jumper and LED Locations LOW Symbol` Description Tp Factory SetGrounding PMAC2 I-Variables SetupPower On Sequence Start-Up ProceduresP2Setup P2Setup Functions380/460 VAC 208/230 VACQuad Amp Hardware Reference Manual Fault Reporting TroubleshootingLogic Fault Detection and Fault Codes Global Fault Only LED Fault IndicatorGlobal and Axis-Specific Faults Axis-Specific Fault OnlyProblem Check Corrective Action Quad Amp Hardware Reference Manual How to Use the Repair Parts List Illustrated Repair Parts ListPurpose ScopeDelta Tau Data Systems 4 Axis Digital Amplifier Qty Per Assy Manu Part Number Facturer Part Number Description 3 4 5 6 Index0HM

3Ax-602646-xUxx specifications

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