FlowLine EchoSwitch LU77 Series Quick Start Manual Download Page 11

 

11

 

 

Select

 

Relay

 

Fail

 

Safety

 

Output

 

/

 

LOST

 

In

 

the

 

event

 

the

 

sensor

 

does

 

not

 

receive

 

an

 

echo,

 

the

 

Fail

 

Safety

 

Output

 

or

 

LOST

 

setting

 

can

 

be

 

set

 

to

 

turn

 

each

 

relay

 

ON

,

 

OFF

 

or

 

HOLD

 

(to

 

last

 

state)

 

to

 

achieve

 

the

 

desired

 

fail

safe

 

condition.

  

During

 

fail

safe,

 

the

 

display

 

will

 

read

 

LOST

.

 

1)

 

Press

 

and

 

hold

 

SELECT

 

for

 

5

 

seconds

 

to

 

enter

 

TOP

LEVEL

 

MENU.

 

2)

 

Select

 

SAFE.

  

3)

 

Select

 

R1

 

(relay

 

1)

,

 

R2

 

(relay

 

2)

 

or

 

R3

 

(relay

 

3).

 

4)

 

Select

 

an

 

output

 

option,

 

such

 

as

 

ON,

 

OFF

,

 

or

 

HOLD

.

  

To

 

enter

 

value,

 

press

 

and

 

hold

 

SELECT

 

for

 

2

 

seconds

 

and

 

release.

  

SAVED

 

will

 

display.

 

5)

 

Select

 

EXIT

 

to

 

return

 

to

 

the

 

TOP

LEVEL

 

MENU.

 

Power

 

Outage

 

If

 

power

 

to

 

the

 

EchoSwitch®

 

is

 

removed

 

(intentionally

 

or

 

accidentally),

 

the

 

relays

 

will

 

return

 

to

 

the

 

normal

 

state.

  

Thus,

 

in

 

Relay

 

1,

 

NC

 

terminal

 

will

 

be

 

closed

 

and

 

NO

 

terminal

 

will

 

be

 

open.

  

Also,

 

the

 

NO

 

terminals

 

in

 

relays

 

2

 

and

 

3

 

will

 

also

 

be

 

open.

  

Make

 

sure

 

that

 

the

 

de

energized

 

state

 

is

 

the

 

safe

 

state

 

in

 

your

 

system

 

design.

   

The

 

EchoSwitch®

 

does

 

use

 

non

volatile

 

memory

 

so

 

any

 

power

 

loss

 

will

 

not

 

affect

 

the

 

settings

 

or

 

configuration

 

of

 

the

 

sensor.

 

Select

 

Fail

Safe

 

Current

 

Output

 

/

 

LOST:

  

In

 

the

 

event

 

the

 

sensor

 

does

 

not

 

receive

 

an

 

echo,

 

the

 

Fail

Safe

 

Current

 

Output

 

or

 

LOST

 

setting

 

can

 

be

 

set

 

to

 

output

 

a

 

current

 

of

 

4mA

,

 

21mA

 

or

 

HOLD

 

(last

 

known

 

value).

  

During

 

fail

safe,

 

the

 

display

 

will

 

read

 

LOST

.

 

1)

 

Press

 

and

 

hold

 

SELECT

 

for

 

5

 

seconds

 

to

 

enter

 

TOP

LEVEL

 

MENU.

 

2)

 

Select

 

SAFE.

  

3)

 

Select

 

OUTPUT.

 

4)

 

Select

 

an

 

output

 

option,

 

such

 

as

 

4mA,

 

21mA

,

 

or

 

HOLD

.

   

To

 

enter

 

value,

 

press

 

and

 

hold

 

SELECT

 

for

 

2

 

seconds

 

and

 

release.

  

SAVED

 

will

 

display.

 

5)

 

Select

 

EXIT

 

to

 

return

 

to

 

the

 

TOP

LEVEL

 

MENU.

 

Troubleshooting

 

If

 

you

 

face

 

any

 

issues

 

not

 

addressed

 

in

 

this

 

Quick

 

Start,

 

please

 

refer

 

to

 

the

 

EchoSwitch®

 

Manual

 

located

 

on

 

Flowline’s

 

website

 

at

 

www.flowline.com.

  

Information

 

on

 

how

 

to

 

set

 

a

 

LOW

 

or

 

HIGH

 

alarm,

 

as

 

well

 

as

 

how

 

to

 

FILL

 

or

 

EMPTY

 

a

 

tank

 

with

 

a

 

pump,

 

can

 

also

 

be

 

found

 

in

 

the

 

EchoSwitch®

 

Manual

 

located

 

on

 

Flowline’s

 

website

 

at

 

www.flowline.com.

  

 

 

Summary of Contents for EchoSwitch LU77 Series

Page 1: ...nic Level Switch and Transmitter LU77 Series Quick Start QS300284 Rev A1 2013 Flowline Inc All Rights Reserved 10500 Humbolt Street Los Alamitos CA 90720 USA Made in USA Tel 562 598 3015 Fax 562 431 8...

Page 2: ...e EchoSwitch Manual or other support documentation located at www flowline com We Do Your Level Best Thank you for purchasing EchoSwitch The sensor provides integrated LCD and three push button config...

Page 3: ...plastic tanks use one of the following 1 Use a 1 bulkhead fitting such as the LM52 1890 bulkhead fitting 2 Use a larger bulkhead fitting such as the LM52 2890 with a reducer bushing such as the LM52...

Page 4: ...ing Avoid the use of multiple pipe fittings when possible An ideal mount would be to select a 2 coupling S x T or S x S and connect the pipe to the inside slip and use a reducer bushing to attach the...

Page 5: ...sensor directly from main power source The following wiring diagrams can be used for the 4 20 mA output of the EchoSwitch Some notes on safety Where personal safety or significant property damage can...

Page 6: ...ill Height settings also determine the 4 to 20 mA current span The Height setting determines the 4mA position and the Fill H setting determines the 20 mA position TOP LEVEL MENU The sensor is configur...

Page 7: ...set the height and fill height for your tank 1 Press hold SELECT for 5 seconds to enter TOP LEVEL MENU 2 Select TANK 3 Select HEIGHT 4 Use the UP and DOWN buttons to set the height of your tank To ent...

Page 8: ...hold SELECT for 2 seconds and release SAVED will display 8 Select EXIT to return to the TOP LEVEL MENU Set a Low Alarm Relay A low alarm relay will notify you when the tank level reaches a preset low...

Page 9: ...nter value press and hold SELECT for 2 seconds and release SAVED will display 7 Select OFF 8 Use the UP and DOWN buttons to set the OFF set point for the relay This is the higher of the two set points...

Page 10: ...To enter value press and hold SELECT for 2 seconds and release SAVED will display 7 Select OFF 8 Use the UP and DOWN buttons to set the OFF set point for the relay This is the lower of the two set poi...

Page 11: ...de energized state is the safe state in your system design The EchoSwitch does use non volatile memory so any power loss will not affect the settings or configuration of the sensor Select Fail Safe Cu...

Page 12: ...been subjected to electrical mechanical or chemical damage due to improper accidental or negligent use 3 have been modified or altered 4 anyone other than service personnel authorized by Flowline have...

Reviews: