Campbell 21X Manual do Operador descarregar pdf (Página 106)

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*lnput

configuration;

channels

8,7,6,5

*lnput

configuration;

channels

4,3,2,1

**Function;

channels 8,7,6,5

**Function;

channels

4,3,2,1

***Output

option

Loc

Mult

Offset

.

Inputconfigurations:

6

=

firigh

level, rising edge

1

= ftigh

level, falling edge

2

=

lbw

level,

rising

edge

3

=

lbw

level, falling

edge

**

Functions:

0

=

tllo value returned

1

=

period

in

ms

2

=

frequency

in kHz

3

= time

since

previous

channel's

edge

ln

ms

4

=

time

since channel

1 in ms

5

=

Counts

on channel

2 since

channel

11,

linear interpolation

6

=

frequency

in

kHz

(low

resolution)

7

=

bounts

8

=

bounts on

Channel2

since

Channel

1,

no interpolation

***

Outgtt

option:

0

Average over execution

interval

0--

Continuous

averaging

XXXX

Averaging

interual

in msec,

XXXX>O

Capture

all events

until

XXXX edges of

channel 1

(0<xxxx,9999)

Test memory

102 SDM-SW8A

***

4

4

4

4

4

4

FP

FP

xx4x--

99eB--

l

l

l**

The 8

chanrtrel SDM-SW8A

Switch Closure

Input

Module

is a

peripheralfor

measuring

up

to

I

channels

of switch

closure

or

voltage

pulse

inputs.

Each channel

may

be

configured

to read

single-pole

double-throw

(SPDT)

switch

closure,

or single-pde

single-throw

(SPST)

switch

closure, or

voltage

pulse.

Output options

include counts,

duty cycle,

and state.

This

instruction

if not

in

all

PROM

options.

l

I

SECTION 9.

INPUT/OUTPUT

INSTRUCTIONS

The SWSA

is addressed by

the datalogger,

allowing

multiple SWSA's to

be connected

to one

datalogger.

16 addresses are

available.

lf

more channels

are

requested than exist

in one

module, the datalogger automatically

increments

the

address and

continues to

the next

SW8A.

The address settings

for

rnultiple SWSA's

must

sequentially

increase.

For example,

assume

2

SWSA's

addressed

as 22 and

23

are

connected,

and

12

Reps

are

requested.

8 channels

from

the first SWBA

and the first

4 channels

from the

next

will be read.

Only one

Function Option

(Parameter

3)

may

be

specified

per

lnstruction

102. lf all4 functions

are desired,

the

instruction must be entered

4

times.

Function Ootion

0

provides

the state

of the

signal at

the time

P102

is executed.

A 1

or

0

corresponds

to

high

or

low

states,

respectively.

Function Ootion

1

provides

signalduty

cycle.

The result is the

percentage

of time.

the

signal is

high

during

the

sample

interval.

Function Option 2

provides

a

count

of

the

number of

positive

transitions of

the signal.

Function Ootion

3

provides

the

signature

of

the SWSA

PROM. A

positive

number

(signature)

indicates the

PROM and

RAM

are

good,

azero

(0)

indicates bad

PROM,

and

a negative

number indicates bad

RAM.

Function

Option 3 is

not used routinely,

but

is

helpful in

"debugging".

Only one

Rep is

required for Option 3.

Parameter

4 specifies the

first

SWSA channel to

be

read

(1..8).

One or more

sequential channels

are

read

depending

on

the

Reps.

To optimize

program

efficiency,

the sensors

should

be

wired

sequentially.

Data are stored

in sequentialdatalogger

input

locations, starting

at the

location specified

in

Parameter

5.

The number of

input locations

consumed

is

equal

to

the

number of

Reps.

The scaling

multiplier and

offset

(Parameters

6

and

7) are applied

to all

readings. lf a

multiplier

is not entered,

all

readings are

set

to

0.

9-13

1 2 ... 101 102 103 104 105 106 107 108 109 110 111 ... 190 191

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