Danfoss VLT Design Guide

Alarm Word and Extended Status Word
Bit Hex Dec Alarm Word Warning Word Extended Status Word
25 02000000 33554432 1.8V Supply Low Current Limit
26 04000000 67108864 Brake Resistor Low Temp
27 08000000 134217728 Brake IGBT Voltage Limit
28 10000000 268435456 Option Change Unused
29 20000000 536870912 Drive Initialised Unused
30 40000000 1073741824 Safe Stop Safe Stop
Table 8.35 Description of Alarm Word, Warning Word and Extended Status Word
9+66The alarm words, warning words and extended status
words can be read out via serial bus or optional fieldbus
for diagnosis. See also par. 16-90, 16-92 and 16-94.
Description of Alarm Word 2 and Warning Word 2
Bit Hex Dec Alarm Word 2 Warning Word 2
0 00000001 1 Start Delayed
1 00000002 2 Stop Delayed
9 00000200 512 Discharge Temperature High Discharge Temperature High
10 00000400 1024 Start Limit
11 00000800 2048 Speed Limit
Table 8.36 Compressor specific Alarms and Warnings
General Specifications and ...
VLT
®
Refrigeration Drive Design Guide
126 MG16G102 - VLT
®
is a registered Danfoss trademark
8
8

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)