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44 VXI Programming Using the IEEE 1394 Serial Bus Chapter 3
Asserting Triggers - HP SICL
ivxitrigoff
ivxitrigon
ixtrig
I_TRIG_ALL
I_TRIG_TTL0 to I_TRIG_TTL7
I_TRIG_ECL0 to I_TRIG_ECL1
I_TRIG_EXT0 (specifies faceplate ‘Trig Out’ port)
Routing Triggers- HP SICL
ivxigettrigroute
ivxitrigroute
1
I_TRIG_ALL
I_TRIG_TTL0 to I_TRIG_TTL7
I_TRIG_ECL0 to I_TRIG_ECL1
I_TRIG_EXT0 (specifies faceplate ‘Trig Out’ and ‘Trig In’ ports)
Configuring the E8491A
Trig In and Trig Out Ports
Configuration of the E8491A external ‘Trig In’ and ‘Trig Out’ ports is done
through the HP I_O Libraries’ ‘I_O Config’ utility. This portion of the utility
is shown in the following figure.
When ‘External Trig In’ is selected, the faceplate ‘Trig In’ port is configured
for the trigger level and state (normally high or normally low) selected.
When ‘External Trig Out’ is selected, the faceplate ‘Trig Out’ port is
configured for the state (normally high or normally low) selected.
1. Trigger routing is only available using the HP SICL ivxitrigroute function.
Figure 3-1. Configuring the HP E8491A External Trigger Ports.