Vela CineCast 2000-0422, Installation And User Manual

Page: 189 / 196

Appendix A — Specifications 175
General Purpose Discrete Inputs
• Two General Purpose Inputs per channel
• Maximum input voltage: 5V
• Minimum input voltage for logic 1: 2.4V
• Maximum input voltage for logic 0: 0.4V
• 10-Kohm input pull-up to 5V
• Connector Interface: Incorporated within the two 44-pin high-density D-Sub
connectors
General Purpose Discrete Outputs
• Two General Purpose Outputs per channel
• Open collector driver capable of sinking up to 100mA
• Maximum voltage output when sinking 100mA: 0.5V
• 5V transorb for voltage/surge protection
• Connector Interface: Incorporated within the two 44-pin high-density D-Sub
connectors
Tallys
• One tally interface per channel
• Normally-open relay contacts
• Maximum voltage: 50V
• Maximum current: 0.5A
• Connector Interface: Incorporated within the two 44-pin high-density D-Sub
connectors
LTC Outputs
• One LTC output per channel (SMPTE 12M)
• Master clock input for local house time
• Amplitude: 1.5V ±0.5V across 1-Kohm load
• Rise and fall time: 40µs ±10µs
• Balanced input
• Connector Interface: Incorporated within the two 44-pin high-density D-Sub
connectors
LTC Input
• One LTC input (SMPTE 12M)
• Balanced output
• Connector Interface: Incorporated within the bottom-most 15-pin high-density
D-Sub connector (marked “SMU Out”)