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The OP8E04 module provides four adjustable gains to scale four (4) high-voltage input signals, from a maximum of ±600V (DC or peak) to ±16V, an amplitude that is compatible with the A/D converter voltage levels of OPAL-Rt HIL/RCP platforms (for example OP5340 and OP5342).
Features
4 channels
4 selectable gains for scaling signals from ranges ±100V, ±200V, ±400V, ±600V to ±16V
Individual gain selection
±18 V power supply status monitoring
Board Layout
 OP8E04 - Top View |
Channel Description
The electrical circuit of each channel is represented by the figure below.
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The module also provides status monitoring of the ±18 V power supply.
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The module can also be used with no scaling (See the section Voltage Range Selection below).
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Typical Application Diagrams
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Voltage Range Selection
Screws must be in the correct positions to set the appropriate voltage ranges.
The following table provides the positions according to their voltage ranges:
Mezzanine Mode Selection Mode | SW1 Position | SW2 Position | |||
|---|---|---|---|---|---|
16 V default | C | C | |||
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±100 V | 2 | C |
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±200 V | 1 | C |
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±400 V | C | 2 |
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±600 V | C | 1 |
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Model Gain Selection
Because the OP8E04 scales the input signals to ±16V, it is necessary to scale the values back to their high-voltage range in the model to ensure that the model represents the proper/real amplitudes.
The table below gives the gain value for each range.
Input Range | BW (-3dB) | Gain to use in the model |
|---|---|---|
± 100V | ≈ 30Khz | 0.16 |
± 200V | ≈ 45Khz | 0.08 |
± 400V | ≈ 70Khz | 0.04 |
± 600V | ≈ 85Khz | 0.026 |
Pin Assignment
Refer to the OP8E00 Modules Pin Assignment table table.