Instruction Manual MM850432 ed. 05c
30
For a better understanding of the appropriate connection when using the instrument to simulate current into industrial 2-wire loop please, note the meaning of the terminal used.
Passive loop
This type of connection is to be used when the external loop is not equipped with the loop power supplied. The calibrator can be, as an example, connected directly to a recorder,
controller, etc. with input circuits configured for current measurements.
Active loop
This type of connection must be used when the external loop is equipped with its loop power supplied. The power supply is not required to be disconnected. The loop circuit must be
opened and the calibrator
connections are placed in series on the loop.
Resistance / Resistenza
+
-
