Manual step and auto step/ramp parameter, To change the ez-step( size, To change the ez-step( time – Practical Instrument Electronics 535 User Manual

Page 4: To change the soak time, To change the ez-steptm direction, Modes of operation, Model 535 operating instructions

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Model 535 Operating Instructions

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

Tel: 585-872-9350 · Fax: 585-872-2638

[email protected] · http://www.piecal.com/

Practical Instrument Electronics, Inc. Copyright ã 2011. All rights reserved.

535-9002 Rev G 7/13/11

4-8

Manual Step and Auto Step/Ramp Parameter

To Change the EZ-Stepä Size:
1. Press and hold the SOURCE/STEP SIZE button for more than ¾ of a second.
2. The display will flash “EZ-STEP SIZE”.
3. Turn the EZ-Dialä knob to select from 2 to 16 steps between the EZ-Checkä limits.
4. Turn the EZ-Dialä clockwise past 16 steps to select continuous ramp mode.
5. Press the SOURCE/STEP SIZE button again to return to the normal display.
Note: If the EZ-Step

ä

option is turned off, the display will flash “EZ-STEP OFF”.

To Change the EZ-Stepä Time:
1. Press and hold the UNITS/STEP TIME button for more than ¾ of a second.
2. The display will flash “EZ-STEP TIME”.
3. Turn the EZ-Dialä knob to select from 5 to 900 second ramp time. The time per step is

calculated based on the selected EZ-Stepä size.

4. Press the SOURCE/STEP SIZE button to return to the normal display.

To Change the Soak Time:
1. Press and hold the READ/SOAK TIME button for more than ¾ of a second.
2. The display will flash “SOAK TIME”.
3. Turn the EZ-Dialä knob to select from 0 to 900 second soak time.

Note: A soak time of 0 defeats the soak period. The step time will be used instead.

4. Press the READ/SOAK TIME button again to return to the normal display.

To Change the EZ-Step

TM

Direction:

1. Press and release the EZ-Dialä knob without turning.

2. The display will change to show the EZ-Stepä direction selected (

or

).

Modes of Operation

Read Milliamp

Connect the Model 535 in series with the process loop to

monitor current. Observe correct polarity. Current

limiting above 24 mA (52 mA if 10-50 range is selected)

is indicated by a flashing “CURRENT LIMITED” display.

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