Sensoray 518 Manual do Utilizador descarregar pdf (Página 44)

4 to 20 mA Current Loops

The coprocessor supports 4-20 mA current loop inputs on any channel, however, a 250-ohm

0.01% resistor must be installed as shown in the following diagram. These resistors are available

as an option for the 518: order Sensoray part number 7408R.

Make sure that any current loop sensors are at the grounded end of the loop so that the common-

mode voltage does not exceed 5 volts.

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Sensoray 518 Manual do Utilizador Página 44