A-100BUS / Bus board
(new version 6 manufactured from early in 2020 with 22 boxed bus connectors)
one assembled and tested bus board, e.g. for customers who want to built their own case and need a bus board for A-100 modules, 22 boxed bus connectors (boxed pin headers with 16 pins each), control LED for -12V, +12V and +5V
includes cables for connection of GND, -12V, +12V and +5V to the power supply (4 wires with flat connectors on both ends, length about 30cm, 0.75mm2 cross section)
does not include mechanical parts for mounting (e.g. screws, spacers, nuts, washers) as the requirements for these parts depend upon the case (especially material and thickness of the back panel)
Dimensions: ~ 391 mm (lenght) x 42 mm (width) x 20 mm (height, without spacers and female connectors of the module bus cables)
The following dimensional drawing shows the positions of the mounting holes: A100_busboard_measures.pdf
The prices can be found in the price list in the section A-100 accessories
Important technical note
In the new version of the A-100 bus board (labeled Version 6 / 2019) boxed pin headers are used which are equipped with a reverse protection (gap for the “nose” of the socket of the bus cable). When the bus cable coming from the module is connected to the boxed header in question the “nose” has to point to the right. The polarity of the cable is correct if the red wire of the bus cable then points to the bottom (to the continuous line labeled “RED WIRE” on the pc board). If this is not the case please do not connect the module to the bus board ! Otherwise both the module and the power supply may be damaged ! In that case please contact the manufacturer of the module and ask for a suitable bus cable with the correct polarity of the connector.
The bus cables of original A-100 modules manufactured by Doepfer are equipped with suitable bus cables since 2012. Only for older A-100 modules manufactured before 2012 it may happen that the polarity of the 16 pin female connector of the bus cable is wrong ("nose" points to the left when red wire points to the bottom). This is because in the past unboxed pin headers were used and the position of the “nose” did not matter. In such a case please contact Doepfer or one of their dealers and order a new suitable bus cable.
