Simulate 2-Wire Transmitters - PIE 901 Operating Instructions Manual

Diagnostic calibrator

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2 Wire SIM mA, 2 Wire SIM % (Percent of 4 to 20 mA)

Choose this function to simulate a 2 Wire Transmitter output from 0.000 to 24.000 milliamps.

Operates in loops with power supply voltages from 3 to 60 VDC.

Move the power switch w to SOURCE then Double Click the EZ-DIAL knob to get into the Menu.

Turn the knob to scroll through the settings and press the knob to make your selection. Select mA

for the FUNCTION and 2W SIM for the MODE. Choose either mA or % and whether you need the

250Ω HART resistor active in the loop.

Connect the output leads of the PIE 901 to the inputs of the device being calibrated, making sure to

check polarity. Red lead to the plus (+) input and black lead to the minus (-) input.

Instantly output your SPAN and ZERO output settings by moving the EZ-CHECK switch between HI

and LO (defaults to 20 & 4 mA). You may also select any third output setting (such as mid-range)

using the SET position on the EZ-CHECK switch. The output is adjusted in 0.001 mA (0.01%)

increments by turning the knob

increments.

Start automatic stepping or ramping by pressing and holding the e DIAL KNOB for 3 seconds. The

word STEPPING or RAMPING will flash on the display anytime the selected automatic function is

running. The PIE 901 will automatically step or ramp between 4 mA & 20 mA (or 20 mA & 4 mA) for

5 to 60 (selectable) seconds then reverse direction. Stop the stepping or ramping by pressing or

turning the knob or moving any switch.