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Universal Library User's Guide Analog Input Boards - CIO-DAS800 Series

Counter I/O

Counter functions and methods supported

UL: cbC8254Config(), cbCIn(), cbCLoad()

UL for .NET: C8254Config(), CIn(), CLoad()

Counter argument values

CounterNum 1 to 3

Config HIGHONLASTCOUNT, ONESHOT, RATEGENERATOR, SQUAREWAVE, SOFTWARESTROBE,

HARDWARESTROBE

LoadValue 0 to 65535 (Refer to "16-bit values using a signed integer data type" on page 16 for

information on 16-bit values using unsigned integers.)

RegNum: LOADREG1, LOADREG2, LOADREG3

Hardware considerations

Pacing analog input

Hardware pacing, external or internal clock supported.

The packet size is 128 samples. Note that digital output is not compatible with concurrent

cbAInScan()/AInScan() operation, since the channel multiplexer control shares the register with the digital

output control. Writing to this register during a scan may adversely affect the scan.

Triggering and gating

Digital hardware triggering supported.

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