Chapter II
18
Stabilized power supplies
USER'S MANUAL
CONTENTS
1. GENERAL INSTRUCTIONS......................................................................................................... 19
1.1. Precautions and safety measures .......................................................................................... 19
1.1.1. Before use ....................................................................................................................... 19
1.1.2. When using the instrument .............................................................................................. 20
1.1.3. Symbols........................................................................................................................... 20
1.1.4. Instructions ...................................................................................................................... 20
1.2. Safety features ....................................................................................................................... 20
1.3. Warranty ................................................................................................................................ 21
1.4. Maintenance........................................................................................................................... 21
1.4.1. Repair and metrological verification ................................................................................. 21
1.4.2. Cleaning .......................................................................................................................... 21
1.4.3. Storage ............................................................................................................................ 21
1.5. Unpacking - Repacking .......................................................................................................... 21
2. DESCRIPTION OF THE INSTRUMENT ....................................................................................... 22
2.1. Presentation ........................................................................................................................... 22
2.2. Controls.................................................................................................................................. 22
2.2.1. On / Off switch ................................................................................................................. 22
2.2.2. Potentiometers................................................................................................................. 22
2.2.3. "LIMIT" LED ..................................................................................................................... 23
2.2.4. "TRACKING" switch (AX 502 and AX 503) ...................................................................... 23
2.2.5. Digital "LED" display ........................................................................................................ 23
2.2.6. "+" and "-" output terminals .............................................................................................. 23
2.2.7. "EARTH" terminal ............................................................................................................ 23
2.3. Power supply.......................................................................................................................... 23
3. FUNCTION DESCRIPTION .......................................................................................................... 24
3.1. Initial operation....................................................................................................................... 24
3.2. Use ........................................................................................................................................ 24
3.2.1. Use of the AX 501 or use of the AX 502 and 503 as independent outputs ...................... 24
3.2.2. Use of 2 power supplies in parallel (without "TRACKING" up to 5 A at 30 V max.
(AX 502 and AX 503).................................................................................................... 24
3.2.3. Use of 2 power supplies in series (without "TRACKING") up to 60 V at 2.5 A max.
(AX 502 and AX 503)...................................................................................................... 24
3.2.4. Use of 2 power supplies in series with the "TRACKING" function (symmetrical
±
30 V
sources) at 2.5 A max. (AX 502 and AX 503) ................................................................. 25
3.2.5. Use of the 2.7 V - 5.5 V (5 A) power supply (AX 503 only) ............................................... 25
4. TECHNICAL SPECIFICATIONS .................................................................................................. 26
4.1. Voltage................................................................................................................................... 26
4.2. Current ................................................................................................................................... 26
5. GENERAL SPECIFICATIONS ..................................................................................................... 27
6. ACCESSORIES............................................................................................................................ 27
6.1. Accessories delivered with the power supply.......................................................................... 27
6.2. Optional accessories .............................................................................................................. 27
