Hardy HIPS series Manuel utilisateur

HIPS SERIES

PLATFORM SCALES

OPERATION AND INSTALLATION

MANUAL

Corporate Headquarters

3860 Calle Fortunada

San Diego, CA 92123-1825

Phone: (858) 278-2900

FAX: (858) 278-6700

Web-Site: http://www.hardyinst.com

Hardy Instruments Document Number: 0596-0191 Rev B-1

CAUTION: UNPACK WITH CARE

WHEN UNPACKING, DO NOT DISCARD THE PACK-

ING CASE OR ANY PACKING MATERIAL, UNTIL THE

CONTENTS OF THE PACKING CASE ARE

INSPECTED AND CAREFULLY COMPARED WITH

THE SHIPPING DOCUMENTS.

IF ANYTHING IS UNSATISFACTORY, PLEASE

NOTIFY HARDY INSTRUMENTS IMMEDIATELY BY

CALLING, FAXING OR E-MAILING TO:

Customer Support Department

HARDY INSTRUMENTS, INC.

3860 Calle Fortunada

San Diego, California 92123-1825

Phone: (800) 821-5831

(858) 278-2900

FAX: (858) 278-6700

E-mail: [email protected]

Web Address: www.hardyinst.com

A RETURN AUTHORIZATION NUMBER IS REQUIRED

BEFORE RETURNING ANY DAMAGED PRODUCT.

CALL THE CUSTOMER SUPPORT DEPARTMENT TO

GET THE NUMBER. YOUR COMPANY NAME,

ADDRESS, TELEPHONE NUMBER, SERIAL NUMBER

OF THE UNIT AND A BRIEF DESCRIPTION OF THE

PROBLEM SHOULD BE READY WHEN CALLING.

IN CASE OF DAMAGE DUE TO SHIPPING, NOTIFY

THE DELIVERING CARRIER IMMEDIATELY FOR AN

INSPECTION.

HIPS SERIES PLATFORM SCALES

Table of Contents

Table of Contents- - - - - - - - - - - - - - - - - - - - - - - - - - - i

Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1-1

Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1-1

The Stainless Steel Platform Cover - - - - - - - - - - - - - - - -1-1

Upper Frame Assembly - - - - - - - - - - - - - - - - - - - - -1-1

Single Point Load Cell - - - - - - - - - - - - - - - - - - - - - -1-1

Lower Frame Assembly - - - - - - - - - - - - - - - - - - - - -1-2

Preassembly Precautions - - - - - - - - - - - - - - - - - - - - - -1-2

Unpacking and Assembly - - - - - - - - - - - - - - - - - - - - - -1-2

Leveling the Scale - - - - - - - - - - - - - - - - - - - - - - - - - -1-3

Electrical Connections - - - - - - - - - - - - - - - - - - - - - - - -1-3

Calibration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1-3

C2 Second Generation Calibration - - - - - - - - - - - - - - - -1-4

Test Weight Calibration (Hard Cal) - - - - - - - - - - - - - - - -1-4

Material Substitution - - - - - - - - - - - - - - - - - - - - - - -1-4

Electrical Specifications - - - - - - - - - - - - - - - - - - - - - - -1-4

Mechanical Dimensions - - - - - - - - - - - - - - - - - - - - - - -1-5

Capacities - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1-8

Model Numbers - - - - - - - - - - - - - - - - - - - - - - - - - - -1-9

Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - -1-9

Scale does not respond when weight is applied - - - - - - - - - -1-9

Scale indication is not linear - - - - - - - - - - - - - - - - - - -1-9

Scale reads backwards - - - - - - - - - - - - - - - - - - - - -1-10

Scale reading drifts or is erratic - - - - - - - - - - - - - - - - - -1-10

Service and Repair - - - - - - - - - - - - - - - - - - - - - - - - - -1-10

HIPS SERIES PLATFORM SCALES

1-1

Introduction Congratulations on your purchase of a Hardy Instru-

ments HIPS Series platform scale. The Hardy Plat-

form Scales are designed for table top or floor

applications requiring high accuracy and reliability.

The covers are all stainless steel for durability. The

bases have no bearings, bubble levels, or moving

parts that can be damaged or wear out. The active ele-

ment of the scale is a precision strain gauge load sen-

sor.

Each platform is certified for use in a C2®Second

Generation Calibration System.

Description The basic HIPS platform scale consists of four major

components:

1. Stainless Steel Platform Cover.

2. Upper Frame Assembly

3. Single Point Load Cell

4. Lower Frame Assembly

The Stainless

Steel Platform

Cover

The platform cover is a single piece constructed of

series 300 Stainless Steel. The cover provides a

weighing surface and offers protection to the load

cell. Access to the upper frame, load cell and lower

frame is gained by lifting up on the cover.

Upper Frame

Assembly The upper frame is bolted directly to the load cell and

serves as support for the platform cover. In the HI

1212PS/S and the Hi 1318PS/S the upper frame is

made of cast aluminum. The HI 1842PS and HI

2424PS upper frame is all stainless steel. They all

have rubber load pads and a shock load adjustment.

Single Point Load

Cell The HIPS Series Platform Scales have potted alumi-

num load cells with a unique humidity resistant pro-

tective which assures long term stability even under

harsh environment and extreme temperatures. All

HIPSS series scales have potted stainless steel load

cells. Each cell has a six conductor cable, ten (10) feet

HIPS SERIES PLATFORM SCALES

1-2

long with C2®on its end. The output of each cell is

2mV/V with 5 to 15 volts DC excitation.

Lower Frame

Assembly The lower frame assembly is also bolted directly to

the load cell and serves as support and protection. It

comes equipped with four leveling feet, a shock load

set screw and corner overload adjustments. The cor-

ner overload adjustments have been factory set to bot-

tom out at approximately 75% of the scale capacity.

DO NOT change this adjustment. As in the upper

frame assembly the HI 1212PS/S and the HI 1318PS/

S lower frame is made of cast aluminum. The HI

1824PS and HI 2424PS lower frame is all stainless

steel.

Preassembly

Precautions Do not store or operate the scale out of its specified

temperature range.

Do not store other equipment on the scale when it is

not in use or in storage.

Do not allow a build-up of debris on, around or under

the scale.

Do not set the scale in water or allow water to settle

around the scale. Provide Proper drainage.

Do not let moisture get on or into any of the electrical

interconnections.

Do not allow static or other electrical discharges

through the scale.

Do not try to adjust the shock or over load stops.

Do not try to remove the load cell or adjust the allen

set screws above or below the load cell.

Unpacking and

Assembly The HIPS Series scales are shipped fully assembled

and only require adjustment of the leveling feet. If

there is any damage to the shipping container or to the

scale save, all the packaging material and file a report

with the shipper.

HIPS SERIES PLATFORM SCALES

1-3

Make sure each corner of the upper frame assembly

has a rubber boot or strip and that there is a rubber

strip in the center for the HI 1212 and Hi 1318 scales.

For the HI 1824 and HI 2424, make sure there are rub-

ber strips in each corner, down the center and at the

center of each 24 inch length of the upper frame.

Leveling the Scale To level the scale, loosen the foot lock nut on the

lower frame assembly and turn the foot clockwise to

lower the scale corner, or counter clockwise to raise

it. Tighten the lock nut when no wobble of the scale is

detected.

Electrical Connections Make sure the cable is not pinched and is clear of the

feet, cover, and overload stops. The platform requires

a recommended DC or AC excitation voltage of 5

volts with a maximum of 15 volts. Wire the platform

load cell cable to an instrument or indicator following

the color code label found on the upper frame or as

follows:

+ Excitation Green

+ Sense Blue

+ Signal Red

+ C2 Cal Gray

- Signal White

- Sense Brown

- Excitation Black

- C2 Cal Violet

WARNING USE CAUTION WHEN WIRING. MAKE SURE

TO DISCONNECT ALL POWER TO THE

SCALE. FAILURE TO REMOVE POWER CAN

RESULT IN SCALE OR INSTRUMENT DAM-

AGE, DEGRADATION OF PERFORMANCE OR

PERSONAL INJURY

Calibration To calibrate the platform, make sure the platform is

wired correctly to the weighing instrument/indicator.

Refer to the weighing instrument/indicator manual for

calibration instructions.

HIPS SERIES PLATFORM SCALES

1-4

C2 Second

Generation

Calibration

C2 electronically calibrates a scale system without the

need for test weights. If you are using a Hardy Instru-

ments HI 2151/20WC, HI 2151/30WC, HI 2160RC

controller or HI 1746-WS, Hardy HI 1771-WS weigh

module, all that’s required is to enter a reference

point. Refer to the instrument or module manual for

instructions.

Test Weight

Calibration (Hard

Cal)

This is the traditional means of calibration requiring

certified class F test weights equal to a minimum of

80% of the rated scale capacity. Additionally three

weights between 10% and 100% of the scale capacity

should be available to check the mid-range. Several

low capacity weights equivalent to one or two instru-

ment divisions are necessary to check the system sen-

sitivity.

Material

Substitution When certified test weights are not available you can

use an accurately weighed material to calibrate the

system. In this method, a material is weighed on a

secondary, calibrated scale and delivered to the site of

the scale to be calibrated. The secondary calibrated

scale should be of the same accuracy or greater and

have a capacity approximately equal to the scale

being calibrated.

Electrical

Specifications Rated Output 2mV/V +- 10%

NOTE: All accuracy specifications are maintained when

150% of nominal load is applied for 3mV/V output.

Excitation:

Recommended 5-10 Volts AC or DC

Maximum 15 Volts AC or DC

NOTE: 20 volts maximum on the 1824 & 2424 models.

Total Error 0.02% of rated output

Maximum Overload

At the Center

HIPS SERIES PLATFORM SCALES

1-5

Loading Point 200% of the rated

capacity

Temperature Range

Safe -30 to +70 Degrees C

Compensated -10 to +50 Degrees C

Temperature Effect

On Output 0.0014% of load/oC

On Zero 0.003% of rated

output/oC 0.006% of

rated output/oC for the

HI 1318PSS-C400

Cable 10 feet, 6 conductor,

Polyurethane Jacket,

Floating Shield

Mechanical

Dimensions The following dimensions are for reference only

Wire Color Signal

Gray + C2

Violet - C2

Green + EXC

Blue + SENSE

Red + SIG

Black - EXC

Brown - SENSE

White - SIG

Inches

(mm) HI 1212PS

HI 1212PSS HI 1318PS

HI 1318PSS HI 1824PS HI 2424PS

A12 (305) 13.75 (349) 18 (457) 24 (610)

B12 (305) 18.55 (471) 24 610) 24 (610)

C3.75 (95) 3.75 (95) 4.5 (114) 4.5 (114)

HIPS SERIES PLATFORM SCALES

1-6

HIPS SERIES PLATFORM SCALES

1-7

Base for HI 1212PS/PSS and HI 1318 PS/PSS With cover removed.

Base for HI 1824PS and HI 2424PS with cover removed.

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