Conex DT-40 Bedienungsanleitung

DT-40

DTMF

Remote

Control

I

OPERATING

MANUAL

I

CONEX

SYSTEMS

mu

www.cone -clectro.com

J

-':'

I

NPR

Addendum

Cone

DT-40-NPR-1

Each

relay

when

activated,

will

provide

a

.25

second

action.

The

relay

can

be

used

in

either

the

N.O.

(normally

Open)

or

N.C.

(Normally

Closed)

combination

depending

on

your

stations

specific

signal

requirements.

Please

do

not

e ceed

the

manufacturers

relay

contact

current

rating

as

specified

on

page

5

of

this

manual.

This

sheet

supercedes

the

information

contained

on

paged

2,3

and

returning

to

the

manual

te t

on

page

4

beginning

with

"Reset

Button".

The

NPR

version

is

to

be

used

by

NPR

Member

Stations

only

for

Squak

Channel

Automation

and

Alert

functions.

Cone

has

modified

the

basic

DT-40

for

NPR

use.

This

modification

has

been

done

to

provide

the

NPR

Member

Stations

with

a

level

of

security

in

the

DTMF

Coding.

This

has

been

done

to

prevent

false

triggering

of

the

NPR

System.

NPR

Squawk

Functions

Relay

1,

Automation

Stop

Relay

2,

Automation

Start

Relay

3,

Future

Relay

4,

Net

Alert

Addendum

NPR

-

March

2002

Revised

May

23,

2002

The

NPR

Version,

of

the

DT-40

reserves

Relays

1

-

4

for

NPR

proprietary

Squak

Channel

Signaling.

Relays

5-12

will

function

in

the

presence

of

DTMF

digits

5

-

0,

*

and

#.

Relays

13

-

16

are

disabled.

I

DT-40

DTMF

Tone

Remote

Control

System

I

•

Compact

9.5"

1.125"

2.8"

•

Magnetic

latching

relays.

On

power

loss

and

restoration,

the

relays

can

retain

their

prior

states

or

return

to

the

de-activated

state.

Each

relay

can

be

set

,

cleared

or

activated

momentarily.

•

Miniature

screw-clamp

terminal

strips

for

easy

connection

to

your

e ternal

circuits

--

no

crimp

pins

,

spade

lugs

or

special

tools

required.

•

Status

lights

indicate

power

,

DTMF

tone

detection

,

and

unit

selected.

•

Level

adjustment

allows

audio

DTMF

input

levels

of

+20

to

-25

dBm.

•

Transformer

balanced

bridging

audio

input.

•

All

IC's

and

relays

plug

In

for

easy

maintenance.

•

Switch-settable

Device

Selection

Code

allows

up

to

14

DT-40's

to

be

individually

controlled

from

one

audio

source.

•

Use

any

source

of

DTMF

tones

such

as

the

compact

Cone

DT-11

DTMF

Generator.

The

Cone

DT-40

accepts

DTMF

tones

from

an

audio

line,

receiver,

or

other

source,

accepts

a

user

access

code,

then

allows

remote

control

of

si teen

SPDT

relays.

The

relays

can

be

momentary

or

latching.

I

BASIC

OPERATION

I

CONTROLLING

THE

RELAYS

I

CHAN

1

-

8

CHAN

9-16

I

FIG.

1

I

DEVICE

SELECT

CODE

I

The

DT-40

is

a

variation

of

the

DT-55

which

allows

the

remote

control

of

16

SPDT

relays

from

any

source

of

standard

DTMF

audio

tones.

ON

OFF

ON

OFF

=

INTERLOCK

1

«

MOMENTARY

&

LATCH

(

*

&

#

)

=

MOMENTARY

ONLY

=

LATCH

ONLY

J

To

select

a

DT-40,

send

the

DTMF

"A"

(see

fig.

2,

below

)

followed

by

the

key

corresponding

to

the

device

select

code.

These

device

selection

codes

are

shown

in

parentheses

for

each

key

in

fig.

2.

Since

"0"

corresponds

to

all

device

selection

switches

off

(

for

no

device

code

J,

ana

"A"

is

the

lead-in

key

for

all

device

select

codes,

this

means

that

only

14

DT-40's

may

be

independently

selected,

and

the

relay

corresponding

to

the

"A"

key

is

not

used.

Ug

to

14^DT-|40^s

may

be

listening

to

the

same

audio

signal,

and

each

may

be

controlled

no

code

is

required,

and

the

unit

will

immediately

respond

to

any

DTMF

command.

If

a

non-zero

code

is

set

into

switches

9-12

,

then

the

DT-40

will

be

selected

(

and

able

to

respond

to

relay

commands

)

only

after

it

has

received

its

own

device

code.

Each

of

the

4

switch

positons

9-12

has

a

digit

value

as

shown

in

fig.

1.

In

the

e ample

shown,

the

device

select

code

5

,

is

determined

by

the

1

and

4

switches

being

set

to

the

"on"

position,

and

the

2

and

9

to

"off'.

The

DT-40

is

connected

to

the

e ternal

circuits

via

screw-clamp

terminal

strips.

A

48

position

strip

connects

to

the

16

relays,

and

a

separate

5

strip

is

for

audio

connections.

The

audio

source

is

connected

to

pins

C

and

D

(

the

third

and

fourth

pins

).

This

is

a

transformer

isolated

bridging

input.

An

optional

ground

connection

may

be

made

to

B

or

E

of

this

same

terminal

strip.

A

sensitivity

adjustment,

accessible

as

a

screw-driver

adjustment

on

the

top

panel,

allows

a

wide

range

of

DTMF

levels.

The

16

relays

are

divided

into

two

banks

of

8.

Inside

the

bo ,

is

a

12-position

DIP

switch

that

determines

the

operating

mode

of

each

of

the

two

banks.

Each

bank

may

be

latched

on,

latched

off,

operated

momentarily,

or

operated

in

an

interlocking

manner

in

which

only

one

relay

is

latched

on

at

a

time.

If

switches

3

ana

4

are

both

off,

then

both

banks

of

relays

respond

in

the

mode

determined

by

switches

1

and

2.

If

switches

1

and

2

are

also

on

(

selecting

the

Interlock

Mode

)

then

all

16

relays

interlock

as

a

single

group.

The

mode

selection

arrangement

is

shown

below.

[

(

—

'

OFF

=

RESET

ALL

RELAYS

ON

PWR

UP

I

—

B»

CANCEL

KEY

i

—

TIMEOUT

CANCELS

FUNCTION

i

—

RESPONSE

TONES

r-

4

BIT

DEVICE

SELECT

CODE

(

0000

n

NO

CODE

REQ'D

)

I

f

~4

2'V

1

2

3

4

5

6

7

8

9

1011

12

ON

-

INTERLOCK

1

ON

OFF

=

MOMENTARY

&

LATCH

(*&#)

OFF

ON

b

MOMENTARY

ONLY

OFF

«

LATCH

ONLY

J

I

Once

selected,

a

DT-40

will

remain

selected

until

another

device

is

selected.

I

1209

Hz

1336

Hz

1477

Hz

1633

Hz

1

(D

2

<

2

)

3

(3)

697

Hz

I

6

(6)

4

(

4

>

5

(5)

I

770

Hz

CANCEL

7

(7)

8

(8)

9

(9)

C

(15)

852

Hz

0

(1°)

D

(

16

>

I

941

Hz'

I

FIG.

2

I

#

<«>

RELA

ON

A

(1

3

)

DEVICE

SELECT

B

<

14

)

*

(11)

RELAY

OFF

When

the

proper

device

select

code

has

been

received,

the

yellow

access

light

will

go

on.

At

this

time

any

relay

command

may

be

entered.

If

no

device

select

code

is

used,

the

yellow

light

is

always

on.

To

select

several

DT-40's

simultaneously,

send

the

DTMF

"A"

twice,

followed

by

the

device

selection

codes

of

all

the

devices

to

be

selected.

Terminate

this

sequence

with

another

DTMF

"A".

If

the

cancel

key

is

hit

before

the

final

"A"

(

or

the

cancel

timeout

happens

)

,

the

selection

sequence

is

aborted

and

any

previously

selected

units

will

still

be

selected.

To

select

all

DT-40's

simultaneously,

send

the

DTMF

"A",

followed

by

the

device

code

"16"

(

the

"D"

key

).

This

will

select

all

DT-40's

regardless

of

their

individual

address

code

switch

settings.

I

LATCHING

THE

RELAYS

CANCEL

KEY

I

RELAY

STATE

RETENTION

INSTALLING

THE

DT-40

I

SENSITIVITY

ADJUSTMENT

I

If

the

latching

mode

is

selected

for

either

bank

of

relays,

then

the

*

key

is

used

to

turn

the

relay

off,

and

the

#

key

is

used

to

turn

the

relay

on.

In

this

case

the

relays

corresponding

to

these

two

keys

(

relays

Hand

12)

are

not

usable.-

Switch

#

5

determines

the

power-up

state

of

the

relays.

If

the

switch

is

off,

then

all

relays

are

reset

(

turned

off

)

when

power

is

lost

and

restored

or

the

RESET

button

is

pressed.

If

the

switch

is

on,

then

all

relays

retain

their

last

states

when

power

is

lost

and

restored.

To

install

the

DT-40,

connect

the

audio

source

and

other

e ternal

circuits

by

stripping

about

3/16"

of

insulation

from

each

wire,

inserting

it

into

the

hole

in

the

terminal

strip,

and

tighten

the

corresponding

screw.

You

may

need

a

jeweler's

screw

driver.

Connect

the

wall

power

adapter.

The

red

POWER

LED

should

light.

The

DT-40

may

be

mounted

to

a

wall

or

to

a

blank

rack

panel

using

the

mounting

holes

provided.

All

e ternal

connections

to

the

relays

and

logic

inputs

are

made

to

the

miniature

terminal

strips.

Strip

about

1/8"

of

insulation

off

the

wire,

insert

the

wire

into

the

hole,

and

tighten

the

screw.

The

relay

symbols

on

the

bo

are

shown

in

the

"off'

position.

For

safety,

we

recommend

NOT

connecting

110VAC

circuits

to

the

relays,

because

of

the

pro imity

to

the

metal

enclosure

and

the

internal

circuitry.

If

a

DC

power

supply

other

than

the

supplied

wall

adapter

is

used,

note

that

the

input

common

and

metal

enclosure

are

connected

to

the

negative

side

of

the

DC

input

jack.

Any

DC

power

source

supplying

+8

to

20VDC

at

80

mA

may

be

used.

When

a

DTMF

tone

is

correctly

received

by

the

DT-40,

the

green

TONE

LED

will

light.

To

accommodate

a

wide

range

of

tone

levels,

a

screwdriver

sensitivity

adjustment

is

provided

under

a

hole

in

the

front

panel.

With

the

sensitivity

control

adjusted

fully

clockwise,

the

DTMF

tones

should

have

a

minimum

level

of

about

-25

dB.

A

simple

way

of

adjusting

the

sensitivity,

is

to

turn

the

control

fully

counterclockwise,

and

then

adjust

it

clockwise

a

little

past

where

reliable

operation

is

indicated

by

the

TONE

LED.

RESET

BUTTON

If

a

power

transient

or

some

other

unusual

condition

causes

the

DT-40

to

lock

up

or

otherwise

behave

incorrectly,

pushing

the

RESET

button

will

completely

clear

the

unit

to

its

initial

power-up

state.

If

mode

switch

#6

is

on,

then

the

"B"

is

the

Cancel

key.

This

key

is

used

to

cancel

a

#

or

‘

command

to

latch

a

relay

on

or

off.

If

both

banks

of

relays

are

set

for

momentary

or

interlocking

modes,

then

the

cancel

key

has

no

function,

and

the

relay

corresponding

to

the

B"

key

is

usable.

If

mode

switch

#6

is

off,

then

The

"B'

key

is

not

used

for

the

cancel

function,

and

may

control

a

relay

(

relay

14)

in

the

normal

manner,

in

this

case,

if

mode

switch

#7

is

on,

a

pending

relay

latch

function

is

automatically

cancelled

in

about

5

seconds.

Therefore,

if

the

key

is

sent

and

the

desired

relay

key

is

not

sent

within

this

time

interval,

the

"#"

preface

is

cancelled,

and

must

be

re-sent.

RESPONSE

TONES

The

DT-40

provides

audible

tones

called

Command

Prompts

(

a

quick

rising

sequence

of

tones

)

I

SPECIFICATIONS:

I

These

short

"boodle-eep

"

sounds_indicate_that_a

valid

command

has

been

received

and

the

unit

is

ready

for

another

command.

9

.43"

2.8"

1.125"

#6

mounting

holes

in

wide

flanges

and

#4

holes

in

narrow

flanges

+8

to

20

VDC

@

60

mA

ma .

-1

10VAC

wall

adapter

supplied

Single

Pole

Double

Throw

1A

30

VDC

14

single

digit

codes

40

mV

rms,

10k

min.,

transformer

balanced

5V

P-P,

into

open

circuit,

170

mV

rms

into

600

,

un-balanced

GOMEX^IIIII

www.cone -electro.com

Another

sound,

the

low-pitched

Error

Tone

is

sent

in

the

case

of

a

command

that

attempts

to

activate

a

relay

that

is

already

on,

de-activate

an

off

relay,

momentarily

operate

a

relay

when

the

relay

is

in

latching

mode,

or

in

case

5

seconds

elapse

before

the

second

keystroke

of

any

two-key

operation

such

as

a

relay

latch-on

command.

Size

:

Mounting

:

Power

requirements:

Relay

Contacts

:

Relay

Contact

Ratings:

Device

Selection

Codes

:

DTMF

Level,

min.

:

Response

Tone

Output

Level

:

The

response

tones

are

available

at

a

separate

output,

pins

A

and

B

of

the

5

terminal

strip

(

B

is

circuit

ground

).

Note

that

this

audio

is

un-balanced

and

has

an

output

impedance

of

about

5000

,

providing

a

Peak-to-Peak

amplitude

of

5

volts

into

an

open

circuit.

The

P-P

amplitude

into

1602

Carolina

Street

Bellingham,

WA

9 226

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MAX.

AUDIO

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Conex DT-40 Bedienungsanleitung

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