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7.2 I/O Configuration
Selectable current output range
You will need to define the current loop scale and define a source for an
analogue output signal. For a spectral pyrometer the sources for ana-
logue output Ao1 is
- Spectral channel 1
In the normal operating mode, Spectral channel 1 will be shown on
the display.
The second analogue output Ao2 offers additional the following option:
- Spectral channel 1 temperature before Min/Max memory
- Inner device temperature
Configure the scale of each of the two analogue outputs separately. De-
fine the temperature span by adjusting the upper and lower limits of the
measuring range. Select either 0 – 20 mA or 4 – 20 mA as the current
output range. The temperature to current conversion is linear.
The desired current output range of either 0 – 20 mA or 4 – 20 mA can
be configured as an absolute setting. Alternatively, the current range can
be coupled to the specific voltages of Switching Output 1 or 2.
- 0 V -> 0—20 mA
- 24 V -> 4—20 mA
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