Operation—foundation fieldbus – Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual User Manual

Page 60

Advertising
background image

Operation—Foundation Fieldbus

58

TEMP_COMPENSA

TIO

N

S

e

lect

s the

t

e

mpe

rat

ure com-

pe

nsat

ion

R/W

1

un

s8

0 = T

C

OFF

1 = T

C

LIN

2 = T

C

nLF

3 = pure

wat

e

r

(Na

C

l)

4 = pure

water (HCl)

5 = pure

wat

e

r (NH3)

TEMP_COEFFI

CIENT

S

et

s th

e t

empera

tu

re coef

fici

ent

if th

e T

E

MP_COM

P

E

NSA

T

ION

is se

t to

Lin

R/W

4

floa

t

00

.0

0

to

19.

99%

/ K

Def

ault:

2

.00

%

/ K

TEMP_WIRE_

IMPE

DANCE

S

et

s t

he

wire

imp

edan

ce

of

the

temp. sensor

. T

ypical

ly

0

unless

the wire of

the

sensor

g

et

s

too

lo

ng

R/W

4

floa

t

Def

ault:

0

Ω

TEMP_S

ENSO

R_CAL

Desire

d temp

erat

ure

re

adin

g,

used

f

or t

emper

atu

re measure

-

men

t calibr

a

tion.

R/W

4

floa

t

-1

0 to +10K

Def

ault:

0

Ca

li

bra

tion

CELL_

CONST

A

NT

S

e

ts

the

cell

const

ant.

R

/W

4

floa

t

0 t

o 20.

00

Def

ault:

1

.0

CAL_S

AMPL

E_PRD

S

ta

rt

s t

he

1st

p

art

of

con

duct

iv-

ity p

rodu

ct

c

alibra

tio

n

.

R/W

1

un

s8

0 = No

p

1 = Sampl

e

Table

12 T

ransd

ucer b

lock b

u

s p

aram

eters (

con

tinu

ed)

P

a

ra

me

te

r

Des

c

ription

R/W

Byte

s

Da

ta

ty

p

e

Range

Advertising