Input Process Functions; Pv Input 1 Channel Model - Honeywell DCP551 Mark ΙΙ User Manual

Chapter 5. FUNCTIONS

5-5 Input Process Functions

This section uses diagrams to describe input processes.

PV input 1 channel model

NOTE
Correction point no.10
Correction point no. 9
Correction point no. 8
Correction point no. 7
Correction point no. 6
Correction point no. 5
Correction point no. 4
Correction point no. 3
Correction point no. 2
Correction point no. 1
5-30
Analog input 1
Setting: setup data
Input range type
A/D conversion
(For resistance temperature detector)
Wiring resistance compensation
(For thermocouple)
Cold junction compensation
Setting: setup data
(For DC current or voltage)
Square-root extraction
Setting: setup data
(For DC current or voltage)
Upper and lower limit value scaling
Setting: setup data
(For thermocouple or resistance temperature detector)
Temperature unit range
Setting: setup data
Upper and lower limit alarm
Equalizer (approximation Setting: setup data
by linearization table)
Setting: variable parameter
Bias
Setting: program setting PV shift item
PV shift
Setting: variable parameter
Digital filter
PV (PV1)
The use of equalizer (approximation by linearization table) is shown in the figure below.
When a sensor with curved characteristics is used to measure PV, a linearization table is
used.
PV input (sensor output)
No.3
No.2
No.1
C01
,
C07 C10
,
C08 C09
to
C04 C06
,
C02 C03
C30
Variable parameters
PA51
PA13
PA12
No.6
No.5
No.4
: (right facing arrow) indicates negative correction.
: (left facing arrow) indicates positive correction.
: (bullet) 0 indicates correction.
to
PA70
No.10
No.9
No.8
No.7
Actual PV