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USER GUIDE
MCA-7724 M
Introduction
Features
™
National Instruments
and ni.com
trademarks or trade names of their respective companies.
322835A-01
A
OTION
The MCA-7724 Motion Axis Router reroutes the signals from your motion
controller into separate connectors that connect to different motion
accessories. The router allows you to connect one, two, three, and four axis
drives and accessories to a controller.
The MCA-7724 Motion Axis Router has five 68-pin VHDCI connectors:
the controller connector, connector A, connector B, connector C, and
connector D. Figure 1 shows the five connectors.
Figure 1. MCA-7724 Motion Axis Router Connectors
™
are trademarks of National Instruments Corporation. Product and company names mentioned herein are
Copyright © 2001 National Instruments Corp. All rights reserved.
R
XIS
OUTER
CONTROLLER CONNECTOR
MOTION I/O
Front
ACCESSORY CONNECTORS
<
CONNECTOR A
2 + 2
CONNECTOR C
<
3 + 1
Back
>
CONNECTOR B
>
CONNECTOR D
April 2001
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Summary of Contents for National Instruments Motion Axis Router MCA-7724
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Page 1: User Guide
D. Figure 1 shows the five connectors. ™ ™ National Instruments and ni.com are trademarks of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies. 322835A-01 Copyright © 2001 National Instruments Corp. All rights reserved. OTION... -
Page 2: Connectivity Options
Connectivity Options The controller connector on the MCA-7724 Motion Axis Router connects to the 68-pin motion I/O connector on your controller. The adapter then reroutes signals from the motion I/O connector to the accessory connectors on the MCA-7724 Motion Axis Router. You can connect motion drives and accessories in a 2 + 2 connectivity option or a 3 + 1 connectivity option. - Page 3 Encoder Index Forward Limit Switch Reverse Limit Switch Home Switch Trigger Breakpoint Inhibit Analog Output Analog Input © National Instruments Corporation Controller Connector Connector Connector Shared Signals Figure 3. 3 + 1 Connectivity Option Axis 1 Signals Axis 2 Signals...
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Page 4: Software Configuration
Shared Signals from the Controller Host +5V Digital Ground Analog Input Ground Analog Output Ground Analog Reference (Output) Shutdown Some signals may not be available on your controller. Please consult your controller Note user manual for signal connection information. Caution Shared signals are available at all four accessory connectors. - Page 5 Connecting Your Adapter This section provides the pin assignments for each of the MCA-7724 connectors. Figure 4 shows the pin assignments for the controller connector. © National Instruments Corporation Axis 1 Dir (CCW) Digital Ground Digital Ground Axis 1 Home Switch...
- Page 6 Figure 5 shows the pin assignments for connector A. MCA-7724 Motion Axis Router Axis 1 Dir (CCW) Digital Ground Digital Ground Axis 1 Home Switch Trigger 1 Axis 1 Inhibit Axis 2 Dir (CCW) Digital Ground Digital Ground Axis 2 Home Switch 10 44 Trigger 2 11 45...
- Page 7 Figure 6 shows the pin assignments for connector B. © National Instruments Corporation Axis 3 Dir (CCW) Digital Ground Digital Ground Axis 3 Home Switch Trigger 3 Axis 3 Inhibit Axis 4 Dir (CCW) Digital Ground Digital Ground Axis 4 Home Switch...
- Page 8 Figure 7 shows the pin assignments for connector C. MCA-7724 Motion Axis Router Axis 1 Dir (CCW) Digital Ground Digital Ground Axis 1 Home Switch Trigger 1 Axis 1 Inhibit Axis 2 Dir (CCW) Digital Ground Digital Ground Axis 2 Home Switch 10 44 Trigger 2 11 45...
- Page 9 Figure 8 shows the pin assignments for connector D. © National Instruments Corporation Axis 4 Dir (CCW) Digital Ground Digital Ground Axis 4 Home Switch Trigger 4 Axis 4 Inhibit Digital Ground Digital Ground 10 44 11 45 12 46...