4000 Evaluation Unit
Service Manual 4-11
4.2.1.10 Memory Adapter
The Memory Adapter (AVL identification no. BB0730) is installed on the main board.
• Insert the Memory Adapter at slots J8 and J9 on the main board
• Mark the memory adapter option on the options sticker.
4.2.1.11 Chamber Adapter (AVL DiCom 4000)
The Chamber Adapter is needed to operate the opacity measuring chamber.
4.2.1.12 Extension Slot
There is a free extension card slot for future upgrading as the result of product
development. An option installed in this slot is located above the Speed/Angle Board.
If an extension card is installed, the side panel of the housing has to be changed.
4.2.1.13 Mains Switch Assembly
The mains switch assembly consists of the mains cable connection as an inlet connector
for non-heating appliances, the power switch, externally accessed mains fuse and a filter
required by the statutory provisions for mains pollution.
4.2.1.14 Converting 230 V to 115 V Device
• Replace 230 V pump (on the real panel) with 115 V pump
The hose lengths must not be changed!
• Both fuses in the mains switch group must be replaced by 3.15 A slow-blow fuses.
• The modification from 230 V to 115 V must be indicated clearly on the rating plate
(with a warning on a sticker)
The power supply unit can continue to be used without any modifications.
4.2.1.15 Power Supply Unit
All members of the instrument family contain the same purchasable power supply unit.
Technical data
− Computer Products NFS80-7606
− long-range input 90…260V AC, 125…360V DC
− outputs (short-circuit-proof):
+5V / 8A (±2%, ripple 1%) for digital part
+15V / 2.5A (±3%, ripple 1%) mainly analogue supply
-15V /2.5A (±3%, ripple 1%) mainly analogue supply
+24V / 2A (+10/-5%, ripple 1%) power (heating, fan, solenoid valve,
strobe,…)
− Output: 80 W (110 W with forced cooling)
− UL, CSA, VDE, IEC1010, IEC 950 approved
− mains pollution under VDE limit B
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