Danfoss vlt aqua Design Guide

Holding registers
Register Number Description
00001-00006 Reserved
00007 Last error code from an adjustable frequency drive data object interface
00008 Reserved
00009 Parameter index*
00010-00990 000 parameter group (parameters 001 through 099)
01000-01990 100 parameter group (parameters 100 through 199)
02000-02990 200 parameter group (parameters 200 through 299)
03000-03990 300 parameter group (parameters 300 through 399)
04000-04990 400 parameter group (parameters 400 through 499)
... ...
49000-49990 4900 parameter group (parameters 4900 through 4999)
50000 Input data: Adjustable frequency drive control word register (CTW).
50010 Input data: Bus reference register (REF).
... ...
50200 Output data: Adjustable frequency drive status word register (STW).
50210 Output data: Adjustable frequency drive main actual value register (MAV).
* Used to specify the index number to be used when accessing an indexed parameter.
7.8.9 How to Control the VLT AQUA
This section describes codes which can be used in the function and data fields of a Modbus RTU message. For a complete description of all the message
fields, please refer to the section Modbus RTU Message Framing Structure.
VLT
®
AQUA Drive Design Guide 7 RS-485 Installation and Set-up
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark 7-17
7

Danfoss vlt aqua Specifications

General

Supply Voltage	200-240V, 380-500V, 525-600V
Enclosure	IP20
Features	Energy optimization
Approvals	CE, UL, cUL
Input Voltage Range	200-240V, 380-500V, 525-600V
Output Voltage Range	0 to supply voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Ground fault
Communication Interfaces	PROFIBUS
Cooling Method	Air-cooled