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

Page 61

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Operation—Foundation Fieldbus

59

CAL_

MAN_PH_P

OINT

_

2

p

H

of

buf

fe

r

sol

uti

on used in a

ma

nual bu

ff

er calibr

ati

on.

R/

W

4

uns8

2–16p

H

CAL_

SLO

PE_P

H

The

slope

of

t

h

e

pH

elect

rode

in

%

R/W

4

flo

a

t

8

0–103

%

D

e

fa

u

lt:

The

o

retical

valu

e is

10

0% =

59

.1

6

m

V/

p

H

,

b

u

t t

he actu

al va

lue

is det

ermin

ed by

a

2

po

in

t bu

ff

e

r

cali

brat

ion

.

CAL_

Z

E

RO_P

H

The

zer

o

of

fset

result

ing f

rom a

b

uf

fer

cali

brat

ion

or

a

st

a

ndar

dizat

ion

R/W

4

flo

a

t

60–60

mV

D

e

fa

u

lt:

The

o

retical

valu

e is

0.0

0

m

V

, but

a

c

tual

valu

e wil

l

d

epend

u

pon

the

charact

e

rist

ics of

the

p

H

sensor

f

ield

60–60

mV

.

CAL_

OFFSET_I

SFET

S

et

s

the

of

fs

et of

the

I

S

FET

.

R/

W

4

flo

at

200–2

00mV

CAL_

Z

E

RO_ORP

The

zer

o

of

fset

result

ing f

rom a

b

u

ff

er

cali

brat

ion.

R/

W

4

flo

at

700–7

00mV

CALIBRA

T

ION_TIM

E

R

S

e

ts

the

cali

brat

ion t

imer (t

ime

in

whi

c

h

t

he device shoul

d

b

e

cali

brat

ed)

.

R/W

4

flo

a

t

0

–9999

h

Def

a

ult

: 0

000

h =

di

sabl

e

T

a

ble 1

6

T

ransd

ucer b

lock b

u

s p

a

ram

e

ters (c

ont

inu

e

d)

P

a

ra

me

ter

Des

c

ription

R/W

Byt

e

s

Da

ta

type

Range

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