TELEVAC CC-10 - Crystal gauge zero adjustment mode; Analog output setting mode

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CC-10

INSTRUMENT MANUAL

Phone:(215) 947-2500 fax:(215) 947-7464 e-mail:sales@televac.com web site:www.televac.com

CC-10 MANUAL REV D

Page 14 of 40

Y

TELEVA

Crystal

gauge

zero

adjustment

mode In

this

mode,

it

is

possible

to

manually

make

a

zero

adjustment

of

the

crystal

gauge. Usually

this

adjustment

is

not

necessary,

because

it

is

performed

automatically

every

time

the

pressure

reaches

3.0

x

10-3

Torr.

When

the

crystal

sensor

is

replaced

for

maintenance

or

if

the zero

has

shifted,

a

manual

zero

adjustment

might

be

required.

C

r

ys

t

a

l

g

a

ug

e

Ze

r

o

a

d

j

us

t

m

e

n

t

m

od

e

:

When

“parameter

lock”

is

enabled

this

adjustment is

not

possible.

Make

sure

if

lock

is

disabled

before

the

programming.

(Refer

to

4.2)

The

character

“02

on”

on

the

display

shows

the

unit

is

in

this

mode.

Pushing

[ENT]

key triggers

the

zero

adjustment

instructing

the

sensor

to

fit

the

measurement

to

zero

at

the event.

Note: The same adjustment can be triggered from I/O pin #6. See section 8.

Analog

output

setting

mode. The

analog

output

can

be

selected

from

the

Log

output

mode

or

the

combined

output

mode. When

the

Log

output

is

selected,

it

is

necessary

to

set

the

width

voltage

of

one

decade

and

the

full

scale

voltage.

If

the

optional

display

unit

DS-10

is

used,

the

output

mode

will

have

to be

set

accordingly.

In

this

section

only

the

operation

will

be

explained.

A

detail

of

the

analog

output

is

described in

the

next

section.

T

h

e

a

n

a

l

og

ou

t

pu

t

s

e

tt

i

ng

m

od

e

:

When

“parameter

lock”

is

enabled

any

parameter

change can

not

be

done

and

only

displaying

the

current

parameters

is

possible.

Make

sure

if

lock

is disabled

before

the

programming.

(Refer

to

4.2)

HV

SP2

SP1

SP3

Torr

X10

FUNC

ENT

Select Output Mode

Lit Blink

8-7

When

the

analog

output

setting

mode

is

selected,

“03”

is

appear

on the

left

side

two

digit

of

the

display.

The

right

side

two

digit

of

the display

blink

and

show

the

out

put

mode.

01:

Log

output

02:

Combined

output

03:

Output

for

the

display

unit DS-10.

The

change

of

the

setting

should

be

made

according

to

the

following

procedures.

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