Precision Digital MOD-LHRB1, MOD-LHWB1, MOD-LHGB1, MOD-LHBB1, MOD-LH5CB1 User manual

FEATURES

• Holes Drilled for Light / Horn and Reset Button in Enclosure

• Single Lights Available in Red, Green, Yellow, Blue, or White

• Units with One of Five User Selectable Lights Available

• Units with Three Layered Lights Available

• ProVu Meter Can be Equipped with up to 8 Relays to Drive Variety of Light & Horn

Congurations

• Light / Horn Programmable for Variety of Reset Functions, Including:

• Silence Horn at Any Time

• Light Stays on Until Alarm Clears

• Light Can Be Wired to Flash (Not Available on MOD-LH5CB1) or Stay Steady On

• IP 65 Rated

• 85 dB Horn

• Operates from -5 to 40°C (23 to 104°F)

PRECISION DIGITAL CORPORATION

MOD-LH Series

Light / Horn Accessory for ProVu Meters

ProVu Meter Shown in a PDA2301 Enclosure with

MOD-LHRB1 Red Light / Horn and Reset Button.

Meter & Enclosure Sold Separately. Assembly Required.

5 Colors 3 Layered

Colors

White

Red Green Yellow Blue

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MOD-LH Series Light / Horn Accessory for ProVu Meters

M22 x 1.5

ProVu Meter Shown in a PDA2301 Enclosure with

MOD-LHRB1 Red Light / Horn and Reset Button.

Meter & Enclosure Sold Separately. Assembly Required.

Red Light
with 85 dB Horn

ProVu

Process Meter

PDA2301

Enclosure

Reset Button
(9 Labels Provided)

OVERVIEW

Precision Digital offers a wide variety of NEMA 4 and
NEMA 4X enclosures that can be equipped with MOD-LH
Light / Horn and Reset Button. The MOD-LH Series is

available in three different light congurations. The rst

option is a factory ordered Light / Horn with a color of either
red, green, yellow, blue, or white. The second option is a
Light / Horn the user determines the light color (red, green,
yellow, blue or white) by connecting the appropriate wire. The
third option is a Light / Horn with red, yellow, and green layers
the user can turn on independently.

The MOD-LH can be powered from the ProVu’s 200 mA
transmitter power supply with enough power left over to drive
most transmitters.

The light(s) and horn can be controlled independently of each
other by up to eight separate relays on the ProVu meter.
These relays can be programmed for automatic or manual
reset action to satisfy a wide variety of audible and visual

alarm applications. The light can be programmed to ash (not

available on MOD-LH5CB1) or stay steady-on.
When MOD-LH is ordered, the accompanying enclosure on the

order comes with the holes pre-drilled for the Light / Horn and
the Reset Button and the user performs the mounting and wiring.
Meter and enclosure are sold separately. The Light / Horn and
the Reset Button can also be ordered as separate items and the
user performs all hole-drilling, mounting and wiring as desired.

PDA1024-01

Optional Power Supply

DIMENSIONS

PDA1004 4-Relays
Expansion Module

Units: Inches (mm)

Ø 2.2

(55)

2.6

(65)

4.8

(122)

0.8

(20)

Note: The Light / Horn accessory is powered from the 200 mA
transmitter power supply, so when this is installed, the meter’s
transmitter power is downgraded from 200 mA. See Transmitter
Power Supply specication on page 7 for details.

2

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Click here to watch the
Light / Horn Video

MOD-LH Series Light / Horn Accessory for ProVu Meters

APPLICATIONS

on Light Cable

on Light Cable

There are a wide variety of ways these Light / Horn devices can be controlled by the ProVu’s two, four or eight relays to
satisfy visual and audible alarm applications. Please feel free to contact tech support to discuss your particular application. The
following examples illustrate some typical applications.

MOD-LH Models

The MOD-LH models are the simplest devices in the Series and are made up of
a single-color light and horn. A typical way to use the MOD-LH is to program the
ProVu so the horn can be silenced at any time via the Reset Button or F3 front

RELAY4 RELAY3

4 36 5 2 1

C NONO NC NC C

SIGNAL

F4

P- COMP+ V+ mA+

3 41 2 5

RELAY4 RELAY3

4 36 5 2 1

C NONO NC NC C

SIGNAL

F4

P- COMP+ V+ mA+

3 41 2 5

To Black Wire

RELAY2 RELAY1

6

Reset Button

RELAY2 RELAY1

6

Reset Button

4 36 5 2 1

C NONO NC NC C

1 2 3 4 5 6 7 8

M-LINK

4 36 5 2 1

C NONO NC NC C

1 2 3 4 5 6 7 8

M-LINK

MA OUT

3 2

+

POWER

MA OUT

3 2

+

POWER

1

RI- I+

24 V

-

21

1

RI- I+

24 V

-

21

panel button on the ProVu, and light to reset automatically when the alarm clears:

Relay Connected to Default Reset Mode

1 Flashing Light

(1)

Auto reset

2 Horn Silence with Reset Button at any time
3 User Device As user desires
4 User Device As user desires

1. Light ca n be wired to ash or stay s teady on.

MOD-LH5CB1

The MOD-LH5CB1 shows one color at a time and the light color (red, green, yellow,
blue or white) is determined by which wires are connected to power through the
ProVu’s relays. A typical application for the MOD-LH5CB1 might involve lighting up
the red light to indicate high and low alarms and the green light to indicate everything
is OK using the ProVu’s four internal relays:

Relay Purpose Range Light/Horn Action

1 Low alarm < 199 Red light Auto
3 Low alarm < 199 Horn Latch
2 All OK 200 to 500 Green light Auto
2 High alarm > 500 Red light Auto
4 High alarm

> 500 Horn Latch

MOD-LH3LCB1-RYG

The MOD-LH3LCB1-RYG can light up red, yellow or green bands as determined by
which wires are connected to power through the

RELAY4 RELAY3

4 36 5 2 1

C NONO NC NC C

SIGNAL

F4

P- COMP+ V+ mA+

3 41 2 5

To Black Wire

RELAY2 RELAY1

6

Reset Button

4 36 5 2 1

C NONO NC NC C

1 2 3 4 5 6 7 8

M-LINK

MA OUT

3 2

+

POWER

1

RI- I+

24 V

-

21

for the MOD-LH3LCB1-RYG (and the default factory setting) might involve lighting
up the green light to indicate everything is OK, the yellow light to indicate a High
warning, and the red light to indicate a High alarm. The Horn will also sound at both
the Warning and High alarms and can be manually reset at any time with the front
panel reset button:

Relay Purpose Range Light/Horn Action

1 All OK < 199 Green light Auto
2 Warning 200 to 500 Yellow light Auto
3 Warning 200 to 500 Horn Latch
2 High alarm > 500 Red light Auto
4 High alarm

> 500 Horn Latch

3

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ProVu’s relays. A typical application

MOD-LH Series Light / Horn Accessory for ProVu Meters

CONNECTIONS

PURPLE

PURPLE

RED

BLACK

GRAY

BROWN

BROWN

Horn
Red LED

Steady On
Flashing

Power

MOD-LH Models

Connections shown for a red light model.
For other MOD-LH models, the red wire
is the color of the light. Connect the red
and black wires for a Steady On light and
red and gray wires for Flashing light.

PURPLE

WHITE

RED

BLUE

YELLOW

GREEN

BLACK

Horn

User
Selectable
LED

Minus
Supply

MOD-LH5CB1

Connect the LED color to the plus supply
and the black wire to the minus supply to
turn the LED on. Be aware of limitations
for applications requiring different color
lights for different alarm conditions.

PURPLE

RED

YELLOW

GREEN

BLACK

Horn

Layered
LEDs

Minus
Supply

GRAY

Flashing

MOD-LH3LCB1-RYG

Connect the LED color to the plus
supply for a Steady On light and LED
color and gray wires to the plus supply
for Flashing light. The black wire should
be connected to the minus supply.

4

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MOD-LH Series Light / Horn Accessory for ProVu Meters

WIRING CONNECTIONS F OR MOD-LH MODELS

Using ProVu's Internal Power Supply

• Connecting the light color
and gray wire makes
light flash

• Connecting the light color
and black wire makes
light steady on

Light/

Horn

Gray (Flashing Light)

Beacon

Blue, Green, Red, White, or Yellow (Light)
Black (Steady on)

Brown (Power)

Brown (Power)

Front Panel

Reset Push Button

Purple (Horn)

Purple (Horn)

RELAY4 RELAY3

4 36 5 2 1

C NONO NC NC C

SIGNAL

F4

P- COMP+ V+ mA+

3 41 2 5

+

Meter provides 163 mA

to power the

transmitter when

light/horn is powered

by the meter

RELAY2 RELAY1

6

-

4 36 5 2 1

C NONO NC NC C

4-20 mA Output

Powered by

1 2 3 4 5 6 7 8

M-LINK

+

MA OUT

3 2

24 V

+

POWER

PROV

-

MOD-LH HOLE
LOCATIONS

When MOD-LH is ordered with an
enclosure, the enclosure comes
pre-drilled with holes for Light / Horn

U

1

RI- I+

-

21

and Reset Button.

Light / Horn

The Light / Horn hole is on the top,
back left corner of the enclosure.

• Form C (SPDT) relays

• Two isolated supplies available even on
12/24 VDC input power models

• Removable terminal blocks

• 2 or 4 relays + isolated 4-20 mA output option

• Universal 85-265 VAC or 12/24 VDC input power

• Voltage or current inputs

• No jumpers needed for V/mA input selection

• M-Link for adding expansion modules

• Digital input (F4)

Using External Power Supply (PDA1024-01)

• Connecting the light color
and gray wire makes
light flash

• Connecting the light color
and black wire makes
light steady on

Light/
Horn

Gray (Flashing Light)

Beacon

Blue, Green, Red, White, or Yellow (Light)
Black (Steady on)

Brown (Power)

Brown (Power)

Reset Push Button

Purple (Horn)

Front Panel

Purple (Horn)

RELAY4 RELAY3

SIGNAL

P- COMP+ V+ mA+

4 36 5 2 1

C NONO NC NC C

F4

3 41 2 5

+

PDA1024

24 V External
Power Supply

RELAY2 RELAY1

6

+

Transmitter

requiring more

than 163 mA

4 36 5 2 1

C NONO NC NC C

--

4-20 mA Output

Powered by

1 2 3 4 5 6 7 8

M-LINK

+

MA OUT

3 2

24 V

+

POWER

PROV

-

1

RI- I+

-

21

Reset Button

The Reset Button is centered on the
cover of the enclosure below the

U

meter about an inch off the bottom
of the cover except on the PDA3400
series where it is mounted on the side
of the enclosure.

• Form C (SPDT) relays

• Two isolated supplies available even on
12/24 VDC input power models

• Removable terminal blocks

• 2 or 4 relays + isolated 4-20 mA output option

• Universal 85-265 VAC or 12/24 VDC input power

• Voltage or current inputs

• No jumpers needed for V/mA input selection

• M-Link for adding expansion modules

• Digital input (F4)

5

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MOD-LH Series Light / Horn Accessory for ProVu Meters

AVAILABLE FOR THESE ENCLOSURES

PDA2300
Economical Plastic
NEMA 4X Enclosures

The PDA-LH Series is available on all
PDA2300 Series Enclosures.

PDA2700
Steel NEMA 4
Enclosures

The PDA-LH Series is available on all
PDA2700 Series Enclosures.

PDA2500
Rugged Plastic NEMA 4X
Enclosures

The PDA-LH Series is available on all
PDA2500 Series Enclosures.

PDA2800 Smallest
Footprint Plastic NEMA 4X
Enclosures

The PDA-LH Series is available on all
PDA2800 Series Enclosures except
PDA2801 and PDA2812.

PDA2600
Stainless Steel NEMA 4X
Enclosures

The PDA-LH Series is available on all
PDA2600 Series Enclosures.

PDA3400 Internally
Mounted Plastic NEMA 4X
Enclosures

The PDA-LH Series is available on all
PDA3400 Series Enclosures except
the PDA3411, PDA3412, PDA3414.

Enclosures shown with a ProVu Meter and MOD-LHRB1 Red Light / Horn and Reset Button.
Meter, Enclosure, and MOD-LHRB1 are Sold Separately. Assembly Required.

RESET BUTTON LABELS

The Light / Horn accessory comes with 9 pre-printed message labels the user can

afx under the red button: RESET, BATCH, ACK, TARE, SILENCE, STOP, START,

PAUSE, START/STOP

6

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MOD-LH Series Light / Horn Accessory for ProVu Meters

PRECISION DIGITAL CORPORATION

SPECIFICATIONS

Recommended for these ProVu Models: PD6000,

PD6001, PD6100, PD6200, PD6300, PD6400, PD7000.
Light Colors: MOD-LH Models: Red, green, yellow, blue or
white. MOD-LH5CB1: User selectable: red, green, yellow,
blue, or white. MOD-LH3LCB1-RYG: 1 layer each of red,

ORDERING EXAMPLE

Order meter, enclosure, and MOD-LH as separate items:

Item Description

1

ProVu Meter with 2 or 4 Relays
2 NEMA 4 or NEMA 4X Enclosure that Accepts MOD-LH
3 MOD-LH Light / Horn and Reset Button with Holes Drilled in Enclosure

User performs the installation and wiring.

yellow, green (consult factory for other colors)
Light Action: Can be wired to flash (not available on
MOD-LH5CB1) or stay steady on
Light / Horn & Reset Button Installation: When MOD-LH is
ordered with an enclosure, the user performs installation and
wiring of Light / Horn and Reset Button in pre-drilled holes.

Horn: 85 dB
Rating: IP 65
Light / Horn Independence: Light and horn can be

controlled via separate relays
Power Requirement: No additional power required when
wired to a

ProVu meter. When mounted remote: 24 VDC
T ransmitter Po wer S upply : The ProVu's internal transmitter
power supply is downgraded from 200 mA when it powers
the Light / Horn. T o determine the total downgrade, add the

currents for the light(s) being used and the horn if used. If

more power is needed, then consider the PDA1024-01.

MOD-LH and MOD-LH5CB1 Models:

Color Downgraded by Color Downgraded by
Red 17 mA Blue 15 mA
Green 15 mA White 42 mA
Yellow 23 mA Horn 20 mA

Example: 17 mA (Red Light) + 20 mA (Horn) = 37 mA total current
downgrade from the 200 mA supply. Left over current = 163 mA

MOD-LH3LCB1-RYG:

Downgraded by each color that is turned on and the horn

Color Downgraded by Color Downgraded by
Red 34 mA Yellow 33 mA
Green 29 mA Horn 38 mA

Example: 33 mA (Yellow Light) + 38 mA (Horn) = 71 mA total current
downgrade from the 200 mA supply. Left over current = 139 mA

Reset / Silence Button: NEMA 4X; may be wired to F4
terminal on ProVu. F3 front panel button can also be used
to reset relays.
Reset Button Labels: The Light / Horn accessory comes
with 9 pre-printed message labels the user can affix under

the red button: RESET, BATCH, ACK, TARE, SILENCE,

STOP, START, PAUSE, START/STOP

Light / Horn Mounting Connection: M22
Hole Sizes: Light / Horn: 0.875" (22 mm);

Reset Button: 0.630" (16 mm)

Cable Length: 3.28 feet (1 meter)
Operating Temperature Range: -5 to 40°C (23 to 104°F)

WARNING

Cancer and Reproductive Harm - www.P65Warnings.ca.gov

ORDERING INFORMATION

Model Description

MOD-LHRB1

MOD-LHGB1

MOD-LHYB1

MOD-LHBB1

MOD-LHWB1

MOD-LH5CB1

MOD-LH3LCB1-RYG

PDA-BUTTON1R Reset Button
PDA-LHR Red Light / Horn
PDA-LHG Green Light / Horn
PDA-LHY Yellow Light / Horn
PDA-LHB Blue Light / Horn
PDA-LHW White Light / Horn

PDA-LH5C

PDA-LH3LC-RYG
PDA1024-01 24 VDC Power Supply for DIN Rail

Notes

1. This MOD supplies the Li ght / Horn and Reset Button. T he enclosure comes
pre- d r il le d wi th h o le s fo r Li gh t / Ho r n an d Re se t Bu t to n an d th e us er p erform s t he
instal lat ion a nd wi rin g. Me ter an d enc lo sure a re so ld se par ate ly. The Li ght / H or n
hole is in the back left cor ner of the enclosure and the Rese t Button is centered on
the cover of the enclosure below the meter about an inch off the bottom of the cover
except on the PDA3400 series where it is mounted on the side of the enclosure.

2. Spe cify PDA -LH model t o order the Li ght / Horn to be m ounted by the u ser in
user-drilled hole.

3. Spe cify PDA- BUTTON1R to orde r Reset Button to b e mounted by the use r in
user-drilled hole.

Disclaimer

The information contained in this document is subject to change without notice. Precision
Digital Corporation makes no representations or warranties with respect to the contents

hereof, and specically disclaims any implied warranties of merchantabilit y or tness for

a particular purpose.
©2019 Precision Digital Corporation. All rights reserved.

Red Light / Horn and Reset Button with
Holes Drilled in Enclosure

Green Light / Horn and Reset Button
with Holes Drilled in Enclosure

Yellow Light / Horn and Reset Button
with Holes Drilled in Enclosure

Blue Light / Horn and Reset Button with
Holes Drilled in Enclosure

White Light / Horn and Reset Button
with Holes Drilled in Enclosure

Light / Horn with User Choice of Red,
Green, Yellow, Blue or White Light, Reset
Button, and Holes Drilled in Enclosure

Light / Horn with Red, Yellow, Green
Light Layers, Reset Button, and Holes
Drilled in Enclosure

Light / Horn with User Choice of Red,
Green, Yellow, Blue or White Light

Light / Horn with Red, Yellow, Green
Light Layers

(1)

(1)

(1)

(1)

(1)

(1)

(1)

LIMMODLH_A 03/19

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