GE IC697VAL348 user manual Digital Code Selection, JA Offset Binary TWO’S Complement Code

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Digital Code Selection

The DAC board is factory configured for offset binary coding. To change the DAC input coding to two’s complement binary, remove jumper JA and install jumper JB (see Figure 2-3 below).

Figure 2-3: Digital Code Selection

JA (OFFSET BINARY)

JB

(TWO’S COMPLEMENT CODE)

2-8

IC697VAL348 8-Channel, 16-bit Digital-to-Analog Converter Board User’s Manual

GFK-2059

 

– December 2001

 

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Contents GE Fanuc Automation Cimstar As Used in this PublicationContents Reference Material and Other GE Fanuc Manuals Introduction, Description, and SpecificationsGeneral Description Functional Description Ground the System Safety SummaryConfiguration and Installation Do not install or remove boards while power is applied Physical InstallationJumper Function Preset Condition ConfigurationDigital-to-Analog Converter Board Installation Before Applying Power Checklist Read this Direction OFF, Open = ON, Closed = Board Address Selection SwitchesAddress Modifier Address Modifier Response Selection JA Offset Binary TWO’S Complement Code Digital Code SelectionProgram Controlled and External Start Convert Mode Connector Descriptions Rear View of Board PC Board Row C Signal Mnemonic P2 ConnectorPin Number Row a Signal Mnemonic Row B Signal MnemonicPC Board Row B Signal Mnemonic Row C P3 ConnectorChannel Offest Pot P3 ConnectorDAC Zero Offset and Gain Calibration Digital-to-Analog Converter Board Calibration TableSide Programming D15 MSB D00 LSB 1Control and Status RegisterDAC Channels Address Map DAC Channels 0 to 7 Address Write OnlyDigital-to-Analog Converter Board Programming Options Immediate DAC Update ModeControl 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