Kontron VMOD-2D Instrukcja Użytkownika Pobierz pdf (Strona 67)

VMOD-2/VMOD-2D

12/15/97

Installation

Page 4 - 7Man. ID 03139, Rev. Index 0200

prehensive, and relies upon the user feed-back to make us aware of any such experiences.

Please also see similar table in the respective piggyback user's manual.

Table 4-1: Indications on Trouble-Shooting

Problem

Possible Cause or Solution

Action

None of the ex ter-

nally connected

devices have correct

or expected function

with the VMOD-2's

outputs

The external interface connector con-

nects to the wrong half of the front

panel connector (i.e. pins 01 to 24

inst ead of pins 2 7 to 50 for upper p iggy-

back position). Move piggyback to other

location if this appears to be the case,

and test from there before rewiring your

interf ace ca ble.

a) the flat ribbon cable is fitted wrong

way up into the IDC connector i.e Pin 1

is connected to wire #50, etc.

See Se ct. 2. 4.3 f or

precise front panel

pin-outs.

The pi ggybac k has been acc ide ntly se t

back one whole pin-row so only half it's

output connectors are connected to the

exte rnal interf ace an d it's i nputs a re

misconnected to the VMOD's logic

interface/power.

a) The piggyback was displaced in the

BU1/0 and BU2 connectors by 180°

If you have made such a connection

then the VMO D-2 ha s been desig ned

that no damage to it or the piggyback

should occur. Move the piggyback for-

ward to the correct location and test for

correct function. If the piggyback or

VMOD-2 does become damaged

throu gh miscon nect ions of this ki nd, the

PEP warrantee is inval idated.

Check Physical con-

figu rati on.

Where opto-isolated piggybacks are

used, your external supply has failed or

has been turned off, gone into current

limit, or has had a fuse failure.

Check PSU

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 81 82

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