LineTrigFilter

Noise removal on designated line trigger hardware line from outside system

Applicable product(s): 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express, 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Parameter Info

Class Category Level Type Access
Channel Encoder Control ADJUST Enumerated Set and Get
Num ID String Identifier C, C++ identifier
1333 << 14 LineTrigFilter MC_LineTrigFilter

Parameter Description

This parameter applies to the hardware line designated by LineTrigLine when LineRateMode is set to PULSE or CONVERT.

Along with LineTrigCtl and LineTrigEdge , it declares the grabber attributes of the terminal sensing the line trigger pulse. The line trigger pulse is processed by the grabber and transferred to the camera as the line reset pulse.

The LineTrigFilter parameter reduces the noise sensitivity over the line trigger pulse usually issued by a motion encoder.

The time constant of the filter is the amount of time the line should be detected at the same logic state before a logic transition be considered.

When LineTrigLine is an insulated I/O, LineTrigFilter is forced to STRONG.

Parameter Values

Enumeration: OFF, MEDIUM, STRONG, Filter_40ns, Filter_100ns, Filter_200ns, Filter_500ns, Filter_1us, Filter_5us, Filter_10us

Table 1. OFF
MC_LineTrigFilter_OFF

Applicable product(s): 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express, 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description for 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR

The filter time constant is approximately 40 ns.

Description for 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express

The filter time constant is approximately 100 ns.
Table 2. MEDIUM
MC_LineTrigFilter_MEDIUM

Applicable product(s): 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express, 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description for 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR

The filter time constant is approximately 100 ns.

Description for 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express

The filter time constant is approximately 500 ns.

Default value.

Table 3. STRONG
MC_LineTrigFilter_STRONG

Applicable product(s): 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express, 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description for 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR

The filter time constant is approximately 5 µs.

Description for 1191 Grablink Value, 1198 Grablink Avenue, 1621 Grablink Express

The filter time constant is approximately 2500 ns.
Table 4. Filter_40ns
MC_LineTrigFilter_Filter_40ns

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 40 ns.
Table 5. Filter_100ns
MC_LineTrigFilter_Filter_100ns

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 100 ns.
Table 6. Filter_200ns
MC_LineTrigFilter_Filter_200ns

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 200 ns.
Table 7. Filter_500ns
MC_LineTrigFilter_Filter_500ns

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 500 ns.
Table 8. Filter_1us
MC_LineTrigFilter_Filter_1us

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 1 us.
Table 9. Filter_5us
MC_LineTrigFilter_Filter_5us

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 5 us.
Table 10. Filter_10us
MC_LineTrigFilter_Filter_10us

Applicable product(s): 1624 Grablink Base, 1623 Grablink DualBase, 1622 Grablink Full, 1626 Grablink Full XR.

Description

The filter time constant is approximately 10 us.