UMDAS 0802DA User's Guide

Functional Details

4.Select Gated from the Ext. Clock Type drop-down list.

5.Set the Universal Library EXTCLOCK option with cbAInScan()/AInScan for the slave UMDAS 0802DA to enable pacing from the master USB device.

This InstaCal option does not affect internally paced acquisition. It only affects scans that use the EXTCLOCK option.

An example of a master/slave configuration is shown here.

MasterveSl

SYNC pin

UMDAS 0802DA

pin 19

P

 

 

 

For the slave UMDAS 0802DA,

 

Set the Universal Library EXTCLOCK option

Slave

with cbAInScan()/AInScan().

UMDAS 0802DA

This configures the SYNC pin on the slave

 

unit for input and enables pacing from the

 

master UMDAS 0802DA.

 

Figure 3-14. Configuring for synchronous data acquisition

 

When you are operating one UMDAS 0802DA, do not set the EXTCLOCK

option unless you are using an external

clock for A/D pacing.

 

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