Gemini Maximum Frequency Input and Output

The table below contains the maximum input command frequency (50 pin connector, pins 8-11) and output pulse frequency (50 pin connector, pins 14-17) for the Gemini Family:

 

Maximum Input Frequency (pins 8-11)

Maximum Output Frequency (pins 14-17)

 

Encoder

Step Pulse

If Encoder Input Used

If Step Pulse Input Used

GV

2 MHz pre-quad encoder

2 MHz

2.5 MHz post-quad encoder

2.5 MHz post-quad encoder

GV6

N/A

N/A

2.5 MHz post-quad encoder

2.5 MHz post-quad encoder

GV6K

N/A

N/A

2.5 MHz post-quad encoder

2.5 MHz post-quad encoder

GT

2 MHz pre-quad encoder

2 MHz

625 KHz step pulse

625 KHz step pulse

GT6

N/A

N/A

625 KHz step pulse

625 KHz step pulse

GT6K

N/A

N/A

625 KHz step pulse

625 KHz step pulse

 

 

Note: If ORES=ERES for GV, GV6 and GV6K, maximum output frequency is 8 MHz post-quad (2 MHz pre-quad).

The GV, GV6 and GV6K maximum feedback frequency (26 pin connector, pins 5-8) is 2 MHz pre-quadrature and 8 MHz post-quadrature.

(Pre-Quadrature = Per Channel)