Вопрос о "The drives common or GND signal should be connected to the 7I77 power GND with a separate wire."ANALOG SERVO DRIVE INTERFACE
The 7I77 provides six channels of +-10V analog servo interface on connector TB5.
Minimum load resistance is 2K Ohms. Normally analog servo drives use differential inputs
to avoid ground loops. Suggested wiring is shielded twisted pair with7I77 AOUTN to drive
AIN+, 7I77 GNDN (adjacent to AOUTN) to drive AIN- as the twisted pair and 7I77 GNDN
connected to the shield at the 7I77 end only. The drives common or GND signal should be
connected to the 7i77 power GND with a separate wire.
Где именно связат серво 0V (клема10 ) к GND на 7i77 , по фото на 1 или на 2 или на 3 ???