Chapter, Analog option – ITT SMART SWITCH 801P5 User Manual

Page 29

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Page 25 801P5 Smart Switch

TM

NOTE

CHAPTER

4

ANALOG OPTION

The analog option (V option) for the 801P5 allows you to equate
pressure with electrical current. If your Smart-Switch

TM

includes

this option, the 4-20 mA output can be scaled; see page 27.

ANALOG OPTION WIRING

The 4-20 mA output connections are provided by the two pin
connector located on the top right of the unit:

Pin A is the + (positive) output

Pin B is the – (negative) output

The 801P5 generates its own loop power and it can operate with a
load resistance of 600 ohms maximum.

TURNING ANALOG OUTPUT ON AND OFF(LOOP)

Current Loop (LOOP)

This menu item enables or disables the current (4-20 mA) output.
To use this item:

1. Press [MENU]

2. Press the [UP/DOWN ARROW] key until LOOP displays,

the press the [SELECT] key to enter the submenu.

3. Press either [ARROW] key to change the display from OFF

to ON, and vice versa.

4. Press [STORE] to temporarily save your changes, then press

[RUN] followed by [SELECT] to lock in changes and return online.

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