The connection for 4-20 mA. / 0-20 mA. Input is shown in figure-10. For chart recorder, the shunt of
50 Ohms is externally supplied. If you want to connect more than one instrument in series, than chart
recorder should be placed in such a way that not more than 150 Ohms of load resistance is added in
the loop after chart recorder as shown in figure 10. Connection of chart recorder with Transmitter and
External Power Supply is as Shown in figure 10.
Connecting Recorder with transmitter using Internal Power Supply: -
Figure 11 - Connecting Recorder with transmitter using Internal Power Supply
Location for Internal Power Supply
Connection of Recorder with Transmitter and Internal Power Supply is as Shown in figure 11.
Caution:
A transmitter in a current loop must not be shorted. If it is, the transmitter power supply is essentially
connected directly across the input shunt. In such a case, the shunt will almost certainly suffer damage.
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