A735-01-880 Issue C
Page 6 © Edwards Limited 2017. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Introduction
Table 1 - nXDS Control modes
Note: Table 1 shows additional Edwards products, such as DX / nEXT Turbo pumps and active gauges that can be 
controlled at the same time using the various control methods displayed above. 
Configuration Control mode Manual/Section
Manual control
via
nXDS user interface
Section 1
Figure 2
in this manual
Serial control
via (TIC)
*Turbo Instrument
Controller or
Turbo Controller
Manual
D397-22-880
Parallel control
via (TAG)
Turbo & Active Gauge
Controller
Manual
D395-92-880
Parallel control
via Digital I/O
e.g. PLC control
Section 1.4
in this manual
Parallel control
via Digital I/O and
Analogue speed
control source
Section 4.4
Figure 11
Serial control
via RS232 or
RS485 Comms
Interface
Manual
A735-01-860