Yaskawa VCD 723 - Manual (Page 17)

Analog Monitor, AO-8 Has two analog output channels with 8 bit resolution. Each output
voltage is from 0 to +10 VDC and is non-isolated.
Analog Monitor, AO-12 Has two analog output channels with 12 bit resolution. Each output
voltage is from 0 to +10 VDC and is non-isolated.
Digital Output, DO-8 Has six photocoupler output channels with a single common. Also
has two independent relay contact output channels.
Torque Control, TRQ-A Closes the torque control loop for higher accuracy torque control.
1 Introduction
11 Ratings and Specifications
9/15/93
1
2
3,4,5,6
7
Isolated power
supply
Isolated power
supply
common
Digital
Tachometer
inputs
Shield tie point
Isolated power supply for digital tachometer: +12 VDC
at 200 mA max.
Common (0V) for digital tachometer isolated power
supply.
The quadrature encoder A (terminal 3), /A (terminal 4),
B (terminal 5), and /B (terminal 6) signals are connected
here. There is 560 ohms of impedance between each
signal pair, pair A and /A and pair B and /B. Input
differential voltage of 5 VDC max. The maximum input
frequency is 300KHz.
Shield sheath tie point which is connected to Chassis
Common.
Table 3. Digital Feedback Tachometer Connector
CA1 Terminal Specifications
There are various option cards available to provide additional capability. The
option cards are each described in detail in a separate User Reference Sheet. A
summary of available option cards is contained in Table 4. Option Cards
Table 4. Summary of Option Cards
TERMINAL FUNCTION DESCRIPTION
OPTION CARD FUNCTION