Reference Manual

PMAC 2 Software Reference

PMAC I-Variable Specification 129

The following settings may be used:

Setting Meaning

0 Software Control (armed)

1 Rising edge of CHCn (third channel)

2 Rising edge of Flag n (as set by Flag Select)

3 Rising edge of [CHCn AND Flag n] – Low true index, high true Flag

4 Software Control (triggered)

5 Falling edge of CHCn (third channel)

6 Rising edge of Flag n (as set by Flag Select)

7 Rising edge of [CHCn/ AND Flag n] – Low true index, high true Flag

8 Software Control (armed)

9 Rising edge of CHCn (third channel)

10 Falling edge of Flag n (as set by Flag Select)

11 Rising edge of [CHCn AND Flag n/] – High true index, low true Flag

12 Software Control (triggered)

13 Falling edge of CHCn (third channel)

14 Falling edge of Flag n (as set by Flag Select)

15 Rising edge of [CHCn/ AND Flag n/] – Low true index, low true Flag

Note that several of these values are redundant. To do a software-controlled position

capture, preset this parameter to 0 or 8; when the parameter is then changed to 4 or 12, the

capture is triggered (this is not of much practical use, but can be valuable for testing the

capture function).