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Operation 15 – Rockwell Automation 836E Solid-State Pressure Sensors User Manual

Page 15

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Operation

15

4.1.4

Output Setting

Hysteresis mode
The hysteresis mode allows for two-point control. Depending on the pressure p, the
hysteresis can be set via the set point SP and the reset point RSP.

Window mode
The window mode enables process pressure range monitoring.

Analog output mode
The analog output mode returns a 4…20 mA signal proportional to the measured value.
The upper and lower range values can be set by the user.

Factory default settings
Set point SP 1: 45%; Reset point RSP 1: 44.5%
Set point SP 2: 55%; Reset point RSP 2: 54.5%
Analog output: Lower Range Value (LRV) 0%; Upper Range Value (URV) 100%

Each set point can be selected as Normally Open (N.O.) or Normally Closed (N.C.)

•P01-PTx3xxxx-05-xx-xx-xx-001

Fig. 7: ➀ Hysteresis mode, ➁ Window mode, ➂ Switch status of NO contact, ➃ Switch status of NC

   contact

Note: SP = set point; RSP = reset point

t

t

1

2

3

3

4

4

p

p

SP

SP

RSP

RSP

0

0

0

0

1

1

1

1