Rockwell Automation 999 IMC S Class Compact Motion Controller (Cat. No. 4100-999-122) - Manual (Page 42)

3-12 Technical Overview
Publication 999-122 - January 1997
General
Purpose
Discrete I/O The IMC-S/23x provides a direct connection to Allen-Bradley Flex I/O
for use as general-purpose I/O. The Flex I/O modules which may be
used with S Class motion controllers are shown in the table below.
Up to eight separate modules, selected from the table above, may be
connected to the motion controller in any order. For specific
information on connecting I/O devices to each of the Flex I/O modules,
see the appropriate Flex I/O publications listed above.
The Imaginary Axis The IMC-S/23x also provides an imaginary axis in addition to the two
or four physical axes on each controller. The imaginary axis is an
internal (software) axis which has no servo loop and no connection to
a drive, encoder, or discrete I/O. It is used only as a master axis for
physical axes to synchronize them when no physical or virtual axis is
available. As such, it can be thought of as a built-in virtual axis not
requiring AxisLink. The "output" of the imaginary is its command
position–it has no actual position. All of the high-level motion functions
discussed earlier are available for the imaginary axis.
Remote I/O (Optional) IMC-S/23x-R and IMC-S/23x-RL models include an Allen-Bradley
Remote I/O Adapter. This option allows certain aspects of the unit to
be controlled and monitored from an Allen-Bradley PLC using a
Remote I/O scanner. The IMC-S/23x appears to the PLC as a
quad-density intelligent module in a Remote I/O rack. Both discrete
and block transfer functions are available.
AxisLink (Optional) IMC-S/23x-L and IMC-S/23x-RL models include AxisLink, which
allows axes on other IMC S Class controllers and ALECs (AxisLink
Encoder Converter modules) to be used as master axes for electronic
gearing and cams. In addition, 16 discrete outputs per motion controller
are available to other motion controllers via AxisLink for sequencing
and program synchronization.
IMC S Class Compatible Flex I/O Modules
Catalog
Number Description For Additional
Information
See...
1794-IB16
1794-IA8
1794-IE8
1794-OB16
1794-OA8
1794-OE4
1794-IE4XOE2 16 24V DC Discrete Inputs
8 115V AC Discrete Inputs
8 Analog Inputs
16 24V DC Discrete Outputs
8 115V AC Discrete Outputs
4 Analog Outputs
4 Current/Voltage Analog Inputs
2 Current/Voltage Analog
Outputs 1794-2.1
1794-2.1
1794-2.1
1794-2.1
1794-2.1
1794-2.1
1794-2.1