Practical-instrument-electronics 532 Manual de usuario descargar pdf (Pagina 6)

Model 532 Operating Instructions

82 E. Main Street Suite 3.14 • Webster, NY 14580

Tel: 585-872-9350 • Fax: 585-872-2638

sales@piecal.com • http://www.piecal.com/

532-9002 Rev C 7/13/11

6-8

I. Loop Diagnostic

Press and hold the STORE/CLEAR/DIAGNOSTIC button for more than ¾ of a second to activate loop

diagnostic mode. This is available in each of the Model 532’s operating modes.

Read Modes:

Read Milliamps

Loop current is displayed.

Power and Measure 2-Wire Transmitter

Loop current, voltage, and resistance is displayed.

Read Volts

Voltage is displayed.

Source Modes:

The EZ-Dial knob, EZ-Check switch, and EZ-Step pushbutton

function normally when the loop diagnostic is activated.

Source Milliamps

Loop current, voltage, and resistance is displayed. The resistance is

highlighted if it exceeds the Model 532’s output capability (1200 Ω at

20 mA with HART Compatibility disabled.)

2-Wire Transmitter Simulate

Loop current is displayed. The Model 532 automatically performs a test

every 7 seconds to compute the loop power supply voltage and loop

resistance. The Model 532 requires approximately 2 volts across its

terminals to operate in 2 Wire Simulate mode. The voltage display is

highlighted if there is less than 2 volts present.

Source Volts

Loop current, voltage, and resistance is displayed. The resistance is

highl

ighted if it exceeds the Model 532’s output capability (20 mA into

1200 Ω with HART Compatibility disabled.)

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Practical-instrument-electronics 532 Manual de usuario Pagina 6