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Installation and Start-up Guide for NMBP-01
Appendix A – Technical Data contains the technical information on the Mod-
bus Plus module.
Appendix B – Parameter Scaling contains a complete list of all the parame-
ters, their 4xxxx register addresses, and the scaling accessible through the
Modbus Plus network.
Appendix C – Assembly Drawings contains drawings that assist in placing the
option module.
Conventions Used in this
Guide
This Guide uses some terms and conventions that all readers might not be
familiar with. Some of these terms are described here.
Data set
Data set is a fast control and feedback value area in the ACS 600 drive.
Data sets give the fastest possible control to the drive.
Global Data
The Modbus Plus network has a service called Global Data. This is a fast data
transfer between devices on the Modbus Plus network. Global Data is
designed for sending time-critical control or feedback values to and from
devices on the network. Modicon PLCs and ACS 600 drives support the glo-
bal data transfer.
4XXXX Register Area
Modicon PLCs have a signed integer data table area, which is used for Ana-
logue output modules and for storing temporary or set-point values. These
registers are in the address area starting from 40001. The last register address
available on PLCs depends on the available memory, but is less than 49999.
The ACS 600 drive simulates this area by providing a read and write access to
its parameters through this register address area.
Related Publications
ACS 600 Programming Manual
Modicon Modbus Plus Network Planning and Installation Guide.
