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3.10.2 Auxiliary Feedback – Emulated, Differential Buffered
Encoder Output Option (YA[4]=4)
The Auxiliary Feedback's B2 port can provide emulated encoder signals to other
controllers or drives. This option can be used when:
A Resolver or Analog Encoder is used as a Main Feedback device.
The Whistle is used as a current amplifier to provide
position data to the position controller.
The Whistle is used in velocity mode, to provide
position data to the position controller.
The Whistle is used as a master in Follower or ECAM mode.
Below are the signals on the Auxiliary Feedback ports when the Whistle Auxiliary Feedback
port is set up for emulated output of the Main Feedback device (Resolver or Analog
Incremental Encoder only).
The Auxiliary Feedback on the Duo has a 16-pin Molex Header plug.
Port Pin Signal Function
PWR 1 +5V Encoder supply voltage
PWR 2 COMRET Common return
B1 3 NA When YA[4]=4 the B1 port is not available
B1 4 NA When YA[4]=4 the B1 port is not available
B1 5 NA When YA[4]=4 the B1 port is not available
B1 6 NA When YA[4]=4 the B1 port is not available
B1 7 NA When YA[4]=4 the B1 port is not available
B1 8 NA When YA[4]=4 the B1 port is not available
B2 9 CHAO Buffered Channel A output
B2 10 CHAO- Buffered Channel A complement output
B2 11 CHBO Buffered channel B output
B2 12 CHBO- Buffered channel B complement output
B2 13 INDEXO Buffered Index output
B2 14 INDEXO- Buffered Index complement output
PWR 15 +5V Encoder supply voltage
PWR 16 COMRET Common return
Pin Position
Table 3-8: Emulated Encoder Output on the Auxiliary Feedback Port B2 - Pin Assignments
Duo User Guide
MAN-DUOUG (Ver. 1.0)
3-20