Spectrum-controls 1746sc-INO4vi Manuale Utente Pagina 34

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24 SLC 500
Isolated Analog Output Modules
Figure 5. Example relationship between output signal and
channel data
Data Value
9999
100
20.5 mA3.5 mA
Signal
Value
In the preceding example...
S
low
= 3.5 U
low
= 100
S
high
= 20.5 U
high
= 9999
S = 17 U = 9899
Controlling Each Output
Channel’s Signal
Output words 0 through 3 determine the output signal levels for channels
0 through 3, respectively. The output signal level depends on the output
range and data format selected.
Channel 0 Output Data Word
15
0
O:e.0
Address
Channel 1 Output Data WordO:e.1
Channel 2 Output Data WordO:e.2
Channel 3 Output Data WordO:e.3
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