Emerson Process Management 3081 pH/ORP instruction manual Generating a Test Current

MODEL 3081 pH/ORP	SECTION 10.0
	PROGRAMMING FOR ORP MEASUREMENTS

10.7 GENERATING A TEST CURRENT

PROGRAM

SIM OUtPUt

EXIT NEXT ENTER

PROGRAM

tESt	1	2 .00
EXIT		ENTER

10.7.1 Purpose

This section describes how to generate output currents for testing recorders and data handling systems.

10.7.2 What happens while the transmitter is generating a test current?

1.The output current goes to the programmed test value and remains there until the TEST function is disabled.

2.The main display continues to show the ORP of the process stream. The word HOLD appears in the display.

3.The test current value supersedes both the HOLD value and the FAULT value.

4.If a fault occurs while the transmitter is generating the test current, the word FAULT appears in the display and the display flashes.

10.7.3 Procedure

1.Press PROG on the infrared remote controller (IRC).

2.Press NEXT until the SIM OUtPUt sub-menu appears. Press ENTER .

3.The tESt prompt appears. Use the editing keys to change the number to the desired value. The allowed values are between 3.80 mA and 22.00 mA.

4.Press ENTER to start the test current.

5.To end the test current, press EXIT .

6.Press EXIT to return to the process display.

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