ProxiMity PLS Series Manual de usuario

eries PL Paddle Level witch

Bulletin L-25

pecifications – Installation and Operating Instructions

3/4˝ CONDUIT

CONNECTION

4-11/32

[110.31]

4-1/2

[113.69]

CLEARANCE FOR

COVER REMOVAL

4-31/32

[126.19]

6-3/8

[162.05]

8-33/64

[216.26] 10-5/16

[261.92]

Incorporated in the design of the PL is a magnetic drive that is time proven by

decades of use in our Mark Series valve position indicator product line. A synchro-

nous motor rotates the paddle utilizing a magnetic drive. As product builds up the

paddle is impeded from moving and the resulting motor torque activates the output

switches and stops the motor. A spring mechanism reactivates the motor and returns

the switches to normal state when the product no longer impedes the paddle rota-

tion. Weatherproof models include a bright red ED switch status indication light.

Standard construction is weatherproof with explosion-proof optional, and the unit can

be side or top mounted. A high temperature option is available for use with media up

to 500°F (260°C). The P S is designed with the industry standard 1-1/4˝ male NPT

connection and mounting flanges.

FEATURE

•Magnetic drive that isolates and completely seals the control head from the

process and environment preventing material or dust from entering the control

head.

•Motor shuts-off when paddle stalls increasing motor life, preventing motor

burnout, and decreasing power usage.

•lip clutch design enabled by the magnetic drive that prevents damage to motor

and drive mechanism from sudden or excessive loading on the paddle.

•tatus indication light on weatherproof models. ight is on the side of the enclo-

sure making it easy to view.

•crew cover on the enclosure for easy access with no worries about losing bolts

or screws.

•Modular design to allow field installation of any paddle, flanges, shaft extensions,

or shaft guards.

•Flexible coupling available for protection of the paddle and drive from side loads,

surges or impacts. Recommended for top mount applications with shaft extension

and applications with large or heavy materials.

PECIFICATION

ervice: Dry powder or bulk materials compatible with wetted materials.

ensitivity: Minimum material density of 5 lb/ft3(80 kg/m3), maximum of 200 lb/ft3

(3200 kg/m3).

Wetted Materials:

Paddles: 316 SS.

Exposed haft: 316 SS.

haft eal: PTFE.

Mounting Boss: Aluminum.

Flexible Coupling: 316 SS.

Mounting Flanges: Carbon Steel or 316 SS.

haft Extension and haft Guards: Galvanized Steel or 316 SS.

Temperature Limits:

tandard Construction: Process: -40 to 300ºF (-40 to 148.9ºC),

Control Head: -40 to 185ºF (-40 to 85ºC).

High Temperature: Process: -40 to 500ºF (-40 to 260ºC),

Control Head: -40 to 185ºF (-40 to 85ºC).

Time Delay Relay: Control Head: -25 to 140ºF (-31.7 to 60.0ºC).

CE Compliant Construction: Process: -40 to 185°F (-40 to 85°C),

Control Head: -40 to 185°F (-40 to 85°C).

Pressure Limit: 30 psig (2.07 bar) maximum for .5 micron or larger material.

Power Requirement: Select by part number: 110-120 VAC (~); 60 Hz, 230 VAC (~);

50/60 Hz, 24 VAC (~); 60 Hz, 48 VAC (~); 100 Hz, 12 VDC ( ), or 24 VDC ( ).

Power Consumption: Weatherproof models: 5 watts, Explosion-proof models: 3 watts.

Time Delay option is an additional 3 watt consumption.

Enclosure: Aluminum, powder coated.

Enclosure Rating: Weatherproof (W, WH construction): NEMA 4X, Explosion- proof

(E, EH construction): NEMA 4X and rated for Class I, Div. 1 & 2, Groups C & D, Div.

1 & 2, Groups E, F, & G.

witch Type: SPDT or DPDT snap switch.

Electrical Rating: 15A @ 120/230 VAC, 5A @ 24 VDC.

Time Delay Relay Option: 10A @ 120/240 VAC and 30 VDC.

Electric Connections: Screw terminals.

Conduit Connection: 3/4˝ female NPT.

Process Connection: 1-1/4˝ male NPT. Optional flange.

Installation Category: II (Transient over-voltage).

Pollution Degree: 2.

Altitude Limit: 6560 ft (2000 m) max.

Environment: Intended for indoor and outdoor use.

Humidity: 80% RH (non-condensing).

Mounting Orientation: Side or top mounting.

Weight: Control head only: 4 lb (1.81 kg).

Indication Light: Red ED that activates when switch is made or when switch is not

made with R option. (Not available on Explosion-proof models).

Time Delay Relay Option: Five field adjustable ranges from 0-1 to 0-31 minutes.

(R option not available, DPDT option not available with 230 VAC time delay).

Agency Approvals: U approved as an auxiliary device or as an auxiliary device for

hazardous locations.

IDE MOUNT

PROXIMITY CONTROL

Phone: 219/879-8000 www.dwyer-inst.com

A DIVI ION OF DWYER IN TRUMENT , INC.

Fax: 219/872-9057 e-mail: [email protected]

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U. .A.

www. .com information@itm.com1.800.561.8187

CLEARANCE FOR

COVER REMOVAL

4-1/2

[113.69]

4-11/32

[110.31]

3/4˝ CONDUIT

CONNECTION

FLEXIBLE

COUPLING

(OPTIONAL)

SHAFT

EXTENSION

1/4˝ PIPE

COUPLING

PADDLE

SHAFT

GUARD

OVERALL SHAFT LENGTH

SPECIFIED ORDER

6-3/8

[162.05]

4-31/32

[126.19]

TOP MOUNT

Example

eries

Construction

witch

Power

upply

Paddle

Flange

haft

Extension

Material

Protective

hield

haft Extension

and hield Length

Options

PL -W- -1-1- F- - -024-FC

Paddle evel Switch

Weatherproof

Explosion-proof

Weatherproof High Temperature

Explosion-proof High Temperature

SPDT

DPDT

DPDT Time Delay – 120 VAC

DPDT Time Delay – 230 VAC

110-120 VAC

230 VAC

24 VAC

48 VAC

12 VDC

24 VDC

230 VAC CE Compliant

No paddle for Motor Control Only Style ow Density

Paddle (PD -1)

Medium Density Paddle (PD -2)

Bayonet Paddle (PD -3)

High Density Paddle (PD -4)

No Mounting Flange

Carbon Steel with Half Coupling (F G-CSH)

Carbon Steel with Full Coupling (F G-CSF)

316 SS with Half Coupling (F G-SSH)

316 SS with Full Coupling (F G-SSF)

None

1/4˝ NPS Galvanized Steel

1/4˝ NPS 316 SS

None

1-1/4˝ NPS Galvanized Steel

1-1/4˝ NPS 316 SS

Specify length in inches. Minimum 6, Maximum 48.

May go longer on custom ordered product.

Reversed ight – light indication when paddle free

rotating

Flexible Coupling (CP -F X)

P S

TD1

TD2

CSH

CSF

SSH

SSF

024

XXX

[25.40]

SIX 11/32 [8.74]

HOLES ON

7˝ [177.80] B.C.

HALF COUPLING

FLG-CSH

FLG-SSH

FULL COUPLING

FLG-CSF

FLG-SSF

8˝ O.D.

[203.20]

15/32

[11.94]

1-1/4 NPT

15/32

[11.94]

MOUNTING FLANGE

FLEX COUPLING, MODEL CPL-FLX

1/4 NPT

9/32

[7.14]

1/4 [6.35]

4-13/32 [111.92]

MODEL CHART

www. .com information@itm.com1.800.561.8187

PADDLE

PDL-4. 316 SS single vane paddle for heavy weight materi-

als with a minimum bulk density of 70 lb/ft3 (1122 kg/m3). Fits

through 1-1/4˝ coupling eliminating the need for a mounting

flange.

PDL-2. 316 SS three vane paddle for medium weight mate-

rials with minimum bulk density of 30 lb/ft3(481 kg/m3).

PDL-1. 316 SS three vane paddle for light weight materials

with a minimum bulk density of 5 lb/ft3(80 kg/m3).

PDL-3. 316 SS single vane paddle for medium weight mate-

rials with a minimum bulk density of 30 lb/ft3(481 kg/m3). Fits

through a 1-1/4˝ coupling eliminating the need for a mount-

ing flange.

1-9/64

[28.93] 11/64

[4.32]

6-15/32

[164.13]

1/8

HOLE

1/4

NPT

TURNS

7˝

[177.80]

CIRCLE

[25.40]

11/64

[4.32]

1/8

HOLE

[50.80] 1/4

NPT

TURNS

4-1/2˝

[114.30]

CIRCLE

4-3/32

[103.99]

4-53/64

[122.66]

11/64

[4.32]

1/4

NPT

1/8

HOLE

TURNS IN

7˝ [177.80]

CIRCLE

1-1/2

[38.10]

11/64

[4.32]

1/8

HOLE

2-15/64

[56.77]

1/4 NPT

TURNS IN

5˝ [127.00]

CIRCLE

IN TALLATION

Mounting Location

Select a location where the paddle is out of the direct flow of media/material, and

where media does not accumulate permanently. It may be necessary to protect the

paddle with a protective shield or baffle protection.

Protection provided by the equipment may be impaired if the equipment is used with

accessories not provided or recommended by Proximity, or is used in a manner not

specified by Proximity.

Mounting Accessories

Shaft Extensions and Flexible Shaft/Coupling

A standard paddle extension is supplied with all controls that is used to connect the

stub shaft of the control head to a paddle or to an extension shaft constructed of 1/4˝

pipe. Shaft extensions may be purchased from Proximity Controls in carbon steel and

stainless steel. Shaft extensions may also be constructed from 1/4˝ pipe, which is

threaded with 1/4˝ male NPT connections on both ends. Drill .152˝ diameter holes

through the pipe at a distance of .170˝ from each end. These holes should accept a

1/8˝ diameter roll pin. Shaft extensions should not exceed 48˝ in length. Multiple cou-

plings may be connected using coupling model number CP -1.

Note: All joints should be secured with the 1/8˝ diameter roll pins supplied. Care

should be taken to press pins flush without damaging the bearings of the control.

A flexible shaft/coupling, model number CP -F X, may be substituted for the stan-

dard extension. The flexible coupling helps protect the control by absorbing side load-

ing, heavy loading, or loading caused by material surges. It is also recommended for

top mount applications when shaft extensions are used.

Shaft Shields

Shaft shields are recommended for use with shaft lengths over 12˝ to protect the shaft

from side loading. Shaft shields are available from Proximity Controls in carbon steel

and stainless steel. Shields may also be constructed from 1-1/4˝ pipe, which is

threaded with a 1-1/4˝ male NPT connection on one end. Shield pipe should be cut to

cover the shaft length while allowing sufficient clearance between the paddle and bot-

tom of shield. The shaft shield should be securely threaded into a full coupling weld-

ed to the bin or a full coupling mounting flange attached to the bin. Shaft should not

contact the inside diameter of the shaft shield.

Mounting Procedure

Mounting without a Flange

Paddles PD -1 and PD -3 will fit through a 1-1/4˝ coupling making a mounting flange

unnecessary. A mounting flange may also be avoided for applications where there is

access to the inside of the bin to attach the paddle from the inside once the switch

control head is installed.

ocate the desired mounting point and cut a hole in the bin of the proper diameter to

insert a 1-1/4˝ pipe coupling. For mounting without a shaft shield weld a 1-1/4˝ half

pipe coupling to the bin wall so that the coupling is flush with the interior wall. For

mounting with a shaft shield weld a 1-1/4˝ full coupling so that the coupling is halfway

into the bin. If using a PD -1 or PD -3 attach the paddle to the switch control head,

if not already connected, by screwing into the 1/4˝ NPT connection on the shaft and

inserting the roll pin. Attach the switch control head to the pipe coupling buy inserting

the paddle through the coupling and screwing in. If attaching the paddle from the

inside then first attach the switch to the coupling and then attach the paddle from the

inside of the bin as described above.

Mounting with a Flange

Paddles PD -2 and PD -4 will require flange mounting if the interior of the bin is not

accessible. Half coupling flanges (Models F G-CSH and F G-SH) should be used on

installations not requiring a shaft guard. Full coupling mounting flanges (Models F G-

CSF and F G-SSF) should be used with installations requiring a shaft guard.

If the mounting flange is used on a flat surface, layout a 7˝ bolt circle. The flange is

designed with clearance holes for 1/4˝ bolts or screws. Drill and tap 6 holes equally

spaced, on the bolt circle, of the appropriate thread type. At the center cut a hole of

sufficient clearance diameter to allow insertion of the paddle selected. It may be nec-

essary to tack weld bolts or screws to the flange or inner surface of the bin. On bins

with curved surfaces it may be necessary to create a template, which will follow the

contour of the bin wall, in order to locate the hole positions. Use the gasket supplied

if required between the bin wall and flange.

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General

If a control is mounted on the side wall of a bin, the conduit entry should be directed

downwards. Also there should be ample clearance for cover removal. Paddles are

secured to the extensions with a 1/4˝ NPT and 1/8˝ diameter roll pin. Care should be

taken to press pins flush without damaging the bearings of the control.

Electrical

Make electrical connections per the wiring diagram for output switch options select-

ed. Wire in accordance with local codes. For hazardous locations, a sealing fitting

must be located within 18˝ of the control.

Wiring

An external switch or circuit breaker should be added to during the installation as a

disconnecting device. The switch or circuit breaker must meet the requirements of

IEC 60947-1 and IEC 60947-3, shall disconnect all current carrying conductors, and

shall not interrupt the protective earth ground. The disconnecting switch or circuit

breaker must be marked or labeled with the symbols “I” for on and “O” for off, per IEC

60417-5007 & IEC 60417-5008 and shall be marked as “Disconnecting Device”. Do

not position the P S in a space where it is difficult to operate the disconnecting device

that provides power. 300V @ 105°C 18 AWG/0.75 mm2wiring with PVC or equivalent

insulation with 94-V0 or FV-0 flammability rating is recommended for the switch out-

puts and power.

As a permanently installed piece of equipment, a power disconnect

switch, circuit breaker, or other approved disconnect device must be

installed in close proximity to the installed board and within easy reach

of the operator. This disconnect device must include a label indicating

its function as a mains disconnect. A 15amp circuit breaker or fuse

device is recommended.

Time Delay

With the DIP position 1 set to “off” the delay is upon energizing of the relay, and with

it set to “on” the delay is upon de-energizing of the relay. Select delay range wanted

from the chart and set the dip switches to the appropriate positions. Then adjust the

one-turn (360˚) potentiometer for the exact time interval required within the selected

delay range. Example: If a 5 minute delay is required, set DIP switches to 0-7 minute

position. Then use potentiometer to adjust to 5 minute period.

MAINTENANCE

Upon final installation of the Series P S Paddle evel Switch, no routine maintenance

is required. A periodic check of system calibration is recommended. The Series P S

is not field serviceable and should be returned if repair is needed (field repair should

not be attempted and may void warranty). Be sure to include a brief description of the

problem plus any relevant application notes. Contact customer service to receive a

return goods authorization number before shipping.

PROXIMITY CONTROL

Phone: 219/879-8000 www.dwyer-inst.com

A DIVI ION OF DWYER IN TRUMENT , INC.

Fax: 219/872-9057 e-mail: [email protected]

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U. .A.

POTENTIOMETER

DIP

SWITCH

120 OR 230 VAC

POWER INPUT

(DEPENDING ON

MODEL)

RELAY OPTIONS

(ONE SET OR TWO

SETS OF SWITCHES

DEPENDING ON

MODEL)

Time Delay

Range in Minutes

0-1

0-3

0-7

0-15

0-31

TANDARD CONTROL WIRING DIAGRAM

TIME DELAY OPTION WIRING DIAGRAM

OFF

Dip witch Positions

COM

POWER INPUT

TERMINALS

+–

GROUNDING

SCREW

Description

Direct current

Alternating current

Protective conductor terminal

On (supply)

Off (supply)

ymbol

Explanation of ymbols:

Publication

IEC 50417 - 5031

IEC 50417 - 5032

IEC 50417 - 5019

IEC 50417 - 5007

IEC 50417 - 5008

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