X64 Xcelera-HS PX8 User's Manual X64 Xcelera-HS PX8 Reference • 43When using the shaft encoder signals, the user can choose to connect to the opto-coupled inputs orthe RS-422/TTL inputs (which support a higher maximum pulse frequency). The imagingapplication chooses which shaft encoder input to use via a board parameter (described followingthe table below).The following table describes the line trigger source types supported by the X64 Xcelera-HS PX8.Refer to the Sapera Acquisition Parameters Reference Manual (OC-SAPM-APR00) for descriptions ofthe Sapera parameters.CORACQ_PRM_EXT_LINE_TRIGGER_SOURCEThe following table defines the trigger input source parameter values specific to the Xcelera-HSPX8.PRM Value Active Shaft Encoder Input0 Default1 Use phase A2 Use phase B3 Use phase A & B4 From Board Sync5 Phase A & B,shaft encoder after pulse drop/multiply output to Board Sync6 Phase A & B,camera line trigger output to Board Sync7 Phase A & B,camera line trigger output to Board Sync only while grabbingTable 7: Line Trigger SourceCORACQ_PRM_EXT_LINE_TRIGGER_SOURCE full description relative to trigger typeand X64 Xcelera-HS PX8 configuration used:PRM Value X64 Xcelera-HS PX8configuration & camerainput usedInput used as:External Line TriggerInput used as:External Shaft EncoderifCORACQ_PRM_EXT_LINE_TRIGGER_ENABLE = trueifCORACQ_PRM_SHAFT_ENCODER_ENABLE =true0 Camera #1 Shaft Encoder Phase A Shaft Encoder Phase A & B1 Camera #1 Shaft Encoder Phase A Shaft Encoder Phase A2 Camera #1 Shaft Encoder Phase B Shaft Encoder Phase B3, 5, 6, 7 Camera #1 n/a Shaft Encoder Phase A & B4 Camera #1 From Board Sync From Board SyncTable 8: CORACQ_PRM_EXT_LINE_TRIGGER_SOURCE – Parameter Values
