MultiCam Boards Documentation > GRABLINK series Documentation > GRABLINK Full Handbook > Functional Specification > Line Triggering > Line Trigger, Line Selection

Line Trigger, Line Selection

When LineRateMode is PULSE or CONVERT, the line trigger signal originates from an external motion encoder device. In that case line trigger input port(s) must be selected.

The selection is performed in two steps:

LineTrigCtl

Description

ISO

Single isolated current loop input port compatible with TTL, +12V, + 24V signaling

DIFF

Single differential High Speed input port compatible with EIA/TIA-422 signaling

ISO_PAIRED

Pair of isolated current loop input ports compatible with TTL, +12V, + 24V signaling

DIFF_PAIRED

Pair of differential High Speed input ports compatible with EIA/TIA-422 signaling

Motion encoder device type

Default port(s) assignment

Alternate port assignment(s)

Dual-output RS-422 compatible phase quadrature incremental motion encoder

DIN1 (A) + DIN2 (B)

-

Dual-output phase quadrature incremental motion encoder

IIN1 (A) + IIN2 (B)

IIN3 (A) + IIN4 (B)

Single output RS-422 compatible incremental motion encoder

DIN1

DIN2

Single output incremental motion encoder

IIN1

IIN2
IIN3
IIN4

Notes