Adjusting The Measurement Range Of A Hart; (Ch Option) - Presys PCON-Y17 Series Technical Manual

Pressure controller
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PRESYS
 Instruments

2.2.4. Adjusting the Measurement Range of a HART

with Reference (CH Option)
Another way to adjust the range of the transmitter is to generate the minimum and
maximum values of the desired range in the transmitter input and to adjust these values
as minimum and maximum (set by reference).
To adjust the range of a pressure transmitter, connect the transmitter pressure
input to the output port of the Pressure Control Module. Go to the Calibrator option,
configure the control parameters and select the Control mode. Select mA at the
(Auxiliary) Input and press the
standard value for the adjustment range of the instrument.
Generate pressure to the transmitter input corresponding to the lower range value
and press the
button. Transmitter will generate 4 mA to this value. Generate pressure
to the transmitter input corresponding to the upper range value and press the
The transmitter will generate 20 mA for this value.
Another way to do this adjust is to enter in the HART option through the MAIN
MENU, set the connection type, address and then press CONNECT. Select the
MONITOR tab. In this screen it is shown the value of the primary variable (PV) read by
®
HART
(digital), the current that the transmitter wants to generate (AO - DIGITAL
OUTPUT), and the current measured by PCON-Y17 (ANALOGIC READ). Set the
pressure controlled pressing OUTPUT and adjust the transmitter range by pressing the
↓ Inf Range and ↑ Sup. Range buttons.
Page 44
Hart
Fig. 59 - Quick HART
button. The pressure control will work as the
®
adjustment with reference
PCON-Y17
®
Transmitter
button.

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