2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
3.11-2
OH-900
The coding is done inside a 96-pin VG connector. The pins 27 through 32 are used for this
purpose.
For every channel combination, the pins at row A and row C are interconnected as
follows:
Labels on the connector, according to the instrument type.
Instrument Connections a with Code No.
version: c inside the connector: ( shown on display during
initialization )
1 x O 32,nc,30,29,28,nc 22
2 x H 32,31,nc,nc,28,nc 26
1 x O + 2 x H 32,nc,nc,nc,28,nc 2C
2 x O nc,nc,30,29,28,nc 23
2 x O + 2 x H nc,nc,nc,nc,28,nc 2F
Connect also 5c with 28a for all above versions ( otherwise the ON versions will appear ).
Caution :
The electronics unit takes notice of the new coding once the power is switched on.
2xO+2xH
OH900
3- 11
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