13
Figure 3.7-1
When the output current is overload, the LCD will shown
which indicates the
overload and meanwhile, the main display area flashes, shown in Figure 3.7-2:
Figure 3.7-2
3.8 Simulating a 4- to 20-mA Transmitter
Simulating is a special mode of operation in which the calibrator is connected into a
loop in place of a transmitter and supplies a known, settable test current.
Proceed as follows:
1.
Connect the 24 V loop power source as shown in Figure 3.8-1.