GE IC697VAL348 user manual Functional Description

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Functional Description

The Digital-to-Analog Converter Board delivers ±10 V outputs with positive true offset binary input coding or two's complement coding. The Digital-to-Analog Converter Board features double- buffered data latches, buffered voltage outputs, and selectable external or internal update control strobes. A front panel Fail LED is provided for quick fault location.

GFK-2059

Chapter 1 Introduction, Description, and Specifications

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Contents GE Fanuc Automation As Used in this Publication CimstarContents Introduction, Description, and Specifications Reference Material and Other GE Fanuc ManualsGeneral Description Functional Description Safety Summary Ground the SystemConfiguration and Installation Physical Installation Do not install or remove boards while power is appliedConfiguration Jumper Function Preset ConditionBefore Applying Power Checklist Digital-to-Analog Converter Board InstallationBoard Address Selection Switches Read this Direction OFF, Open = ON, Closed =Address Modifier Address Modifier Response Selection Digital Code Selection JA Offset Binary TWO’S Complement CodeProgram Controlled and External Start Convert Mode Connector Descriptions Rear View of Board PC Board Row B Signal Mnemonic P2 ConnectorPin Number Row a Signal Mnemonic Row C Signal MnemonicPC Board P3 Connector Row B Signal Mnemonic Row CDigital-to-Analog Converter Board Calibration Table P3 ConnectorDAC Zero Offset and Gain Calibration Channel Offest PotSide Programming DAC Channels 0 to 7 Address Write Only 1Control and Status RegisterDAC Channels Address Map D15 MSB D00 LSBImmediate DAC Update Mode Digital-to-Analog Converter Board Programming OptionsControl Register Data Format and Definitions D09 D08 Delayed DAC Update Mode Test Mode Programming Program Example Delayed DAC Update Mode END Analog Output Control in Immediate DAC Update Mode Analog Out PathwayControl Word D15 to D0 Hex Value DAC Programming Sequence Delayed DAC Update Mode Analog Output Control in Delayed DAC Update Mode Theory of Operation Operational Overview Immediate DAC Update Mode Program Control Update Mode Digital-to-Analog Converter Board Functional Block Diagram VMEbus Interface Description A01 A02 A03 A04 VMEbus Interface Logic and Interface Signals DIG GND Maintenance