Hach-lange SC 200 Active 4-20 mA Output Module User Manual Manuale Utente Pagina 5

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Figure 1 Wiring diagram for external customer powered
1 4–20 mA output module 3 Customer power supply
2 External device (Recorder/data
acquisition system)
Table 3 Resistance values for external customer powered
Power supply voltage Loop minimal
resistance
Loop maximal
resistance
12–18 VDC 0 Ω 250 Ω typical
18–24 VDC 250 Ω 500 Ω typical
Figure 2 Wiring diagram for module powered
1 4–20 mA output module 2 External device (HART master)
Table 4 Resistance values for module powered
Power supply voltage Loop minimal
resistance
Loop maximal
resistance
15 VDC 0 Ω 350 Ω typical
English 5
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