Filter
Top Products
Hydrastep 2468CB & 2468CD Manual Opto-isolated Output Board Option
24685034
3c-7
3C.3.1 CONFIGURING THE OPTO-ISOLATED OUTPUT BOARD
WARNING Mains voltages are present in this instrument when power
is connected. De-energise before opening front cover.
Gain access to the printed circuit board assemblies inside the Hydrastep 2468 enclosure as
follows:
1. Isolate the 2468 electronics enclosure from its power supplies.
2. Gain access to the output PCB and set the relevant switches for the required function.
3c.3.1.1 Electrode/Opto-Output Selection (Opto-1, Opto-2, Opto-3 & Opto-4 Outputs) - SW1 to SW4
Four identical switches are provided, one for each output (but see SW6) each having four
sets of contacts. This allows coded selection of any one of 16 electrodes for each switch in
the case of the single input card. When dual input cards are fitted, odd numbered electrodes
feed into one input card with the even numbered electrodes being fed into the other input
card. Each input card then offers any mounted output card the choice from its electrode
inputs, with the resultant selectivity as shown in Table 3c.1.
Switch SW1, SW2, SW3 or SW4 Settings for
Opto 1 to Opto 4 respectively
Electrode Selection
Switch Contacts One Input Two Input Cards
1 2 3 4 Card Odd I/P Card Even I/P Card
On On On On 1 1 2
Off On On On 2 3 4
On Off On On 3 5 6
Off Off On On 4 7 8
On On Off On 5 9 10
Off On Off On 6 11 12
On Off Off On 7 13 14
Off Off Off On 8 15 16
On On On Off 9 17 18
Off On On Off 10 19 20
On Off On Off 11 21 22
Off Off On Off 12 23 24
On On Off Off 13 25 26
Off On Off Off 14 27 28
On Off Off Off 15 29 30
Off Off Off Off 16 31 32
Table 3c.1 - Electrode selections for opto-isolated outputs Opto 1 to Opto 4
Example: Single Input Board - Electrode 13 selected.
Dual Input Boards: Odd input board - Electrode 25 selected
Even input board - Electrode 26 selected.
1
2
3
4
OFF