TREND NX Variable Speed Drives - Manual (Page 9)

Installation on a Trend System
2.1 Connections
2.1.1 Basic Connections
RS232
(connection to keypad or PC)
cable ACC/NX/RS2432PC
9Way D type Male 9Way D type Female
Optional
external filter
Control Connections
Connect according to application e.g connections
to IQ Controller for Basic application
AIA1+
AIA1-
RO1 NO
RO1 COM
RO2 NO
RO2 COM
+24 V
AO 0 V
DO NO
DO COM
DI SIG
n
DI COM n
DI SIG n+1
DI COM n+1
Speed
On/Off
Running
Fault
Analogue Output
0 to 10 V
Digital Output
Digital Input
Digital Input
IQ Controller NX Drive
Note that the NXNI interface connects the drive directly to
the IQ system current loop Lan, and enables the drive to be
monitored and controlled by IQ2 (IC Comms) and
Supervisors (Text Comms). The NXIP fulfils a similar
function for an Ethernet connection and IQ3 controllers.
Power Connections
3 phase mains supply motor connection
NX Variable Speed Drives Installation Manual TG200434 Issue 3/A 04/07/2006 7