Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 211)

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Section 4C
Connecting the 4-axis Servo Module
4C-13
ANALOG OUT (TB2) Auxiliary Output Connector.
An auxiliary analog output is provided through the connector labeled
ANALOG OUT (TB2). This connector is typically used to command an
analog spindle drive system with no position feedback. TB2 is not capable
of receiving encoder feedback information. Figure 4C.10 shows the
location of ANALOG OUT connector and lists terminal assignments of
this connector.
Important: Note that TB2 should only be used for drive applications that
do not require a feedback device. If a feedback is required, the output
signal to the drive and its corresponding encoder feedback should be wired
through one of the servo connectors. A drive application with feedback
would typically not use the connector labeled ANALOG OUT (TB2).
However, if necessary, TB2 may be used with encoder feedback configured
in AMP to be returned to one of the servo connectors.
Figure 4C.10
Terminal Block ANALOG OUT, 4 Plug-type Terminal Block Connections.
Terminal No. Signal Description Signal Destination
1 not connected
2 Analog Out + +10V Analog with no feedback (typically spindle drive)
3 Analog Out - Signal Return (typically spindle drive)
4 Shield shield connect at module only