![Xantrex Internal M9B-HFS Series Technical Manual Download Page 44](http://html1.mh-extra.com/html/xantrex/internal-m9b-hfs-series/internal-m9b-hfs-series_technical-manual_3175346044.webp)
APPENDIX A
M9B-HFS INTERFACE
A-2
Release 1.0 (97/10)
A.2 XFR 2800 Watt Series Supplies with M9B-HFS Interface
Installed
All specifications are subject to change without notice. Specifications are warranted from 25°C
±
5°C unless
otherwise specified.
Table A-3 Electrical Specifications for 2800 Watt Supplies
7.5 Volt to 60 Volt Models (HFS Installed)
Models
7.5-300
12-220
20-130
40-70
60-46
Program Resolution
Voltage
Current
OVP
0.2mV
10.3mA
0.2mV
0.3mV
7.5mA
0.3mV
0.4mV
4.4mA
0.4mV
0.8mV
2.4mA
0.8mV
1.3mV
1.6mA
1.3mV
Program Accuracy
1
Voltage
Current
OVP
10mV
0.12%
300mA
0.15%
75mV
75mV
0.12%
165mA
0.15%
200mV
75mV
0.2%
120mA
0.15%
330mV
75mV
0.3%
110mA
0.15%
400mV
150mV
0.3%
80mA
0.1%
600mV
Readback Resolution
Voltage
Current
0.2mV
10.3mA
0.3mV
7.5mA
0.4mV
4.4mA
0.8mV
2.4mA
1.3mV
1.6mA
Readback Accuracy
1
Voltage
Current
10mV
0.12%
300mA
0.15%
75mV
0.12%
165mA
0.15%
75mV
0.2%
120mA
0.15%
75mV
0.3%
110mA
0.15%
150mV
0.3%
80mA
0.1%
Table A-4 Electrical Specifications for 2800 Watt Supplies
100 Volt to 600 Volt Models (HFS Installed)
Models
100-28
150-18
300-9
600-4
Program Resolution
Voltage
Current
OVP
2.1mV
1.0mA
2.1mV
3.2mV
0.6mA
3.2mV
6.3mV
0.3mA
6.3mV
12.6mV
0.1mA
12.6mV
Program Accuracy
1
Voltage
Current
OVP
150mV
0.35%
80mA
0.1%
1.0V
225mV
0.35%
80mA
0.1%
1.5V
225mV
0.35%
75mA
0.1%
3.0V
300mV
0.35%
75mA
0.1%
6V
Readback Resolution
Voltage
Current
2.1mV
1.0mA
3.2mV
0.6mA
6.3mV
0.3mA
12.6mV
0.1mA
Readback Accuracy
1
Voltage
Current
150mV
0.35%
80mA
0.1%
225mV
0.35%
80mA
0.1%
225mV
0.35%
75mA
0.1%
300mV
0.35%
75mA
0.1%
1
Apply accuracy specifications according to the following voltage program accuracy example:
Set a model XFR 20-130 power supply to ten volts.
The expected result will be within the range of 10 volts ±75mV ±0.2% of the set voltage of 10 volts.