PCB Piezotronics 8162-055A Manual de usuario

Model 8162-055A

Strain Gage Sensor Signal Conditioner

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

The information contained in this document supersedes all similar information that

may be found elsewhere in this manual.

Service –Due to the sophisticated

nature of the sensors and associated

instrumentation provided by PCB

Piezotronics, user servicing or repair is

not recommended and, if attempted,

may void the factory warranty. Routine

maintenance, such as the cleaning of

electrical connectors, housings, and

mounting surfaces with solutions and

techniques that will not harm the

physical material of construction, is

acceptable. Caution should be observed

to ensure that liquids are not permitted

to migrate into devices that are not

hermetically sealed. Such devices

should only be wiped with a dampened

cloth and never submerged or have

liquids poured upon them.

Repair –In the event that equipment

becomes damaged or ceases to

operate, arrangements should be made

to return the equipment to PCB

Piezotronics for repair. User servicing or

repair is not recommended and, if

attempted, may void the factory

warranty.

Calibration –Routine calibration of

sensors and associated instrumentation

is recommended as this helps build

confidence in measurement accuracy

and acquired data. Equipment

calibration cycles are typically

established by the users own quality

regimen. When in doubt about a

calibration cycle, a good “rule of thumb”

is to recalibrate on an annual basis. It is

also good practice to recalibrate after

exposure to any severe temperature

extreme, shock, load, or other

environmental influence, or prior to any

critical test.

PCB Piezotronics maintains an ISO-

9001 certified metrology laboratory and

offers calibration services, which are

accredited by A2LA to ISO/IEC 17025,

with full traceability to SI through

N.I.S.T. In addition to the normally

supplied calibration, special testing is

also available, such as: sensitivity at

elevated or cryogenic temperatures,

phase response, extended high or low

frequency response, extended range,

leak testing, hydrostatic pressure

testing, and others. For information on

standard recalibration services or

special testing, contact your local PCB

Piezotronics distributor, sales

representative, or factory customer

service representative.

Returning Equipment –Following

these procedures will ensure that your

returned materials are handled in the

most expedient manner. Before

returning any equipment to PCB

Piezotronics, contact your local

distributor, sales representative, or

factory customer service representative

to obtain a Return Warranty, Service,

Repair, and Return Policies and

Instructions Materials Authorization

(RMA) Number. This RMA number

should be clearly marked on the outside

of all package(s) and on the packing

Service, Repair, and Return

Policies and Instructions

list(s) accompanying the shipment. A

detailed account of the nature of the

problem(s) being experienced with the

equipment should also be included

inside the package(s) containing any

returned materials.

A Purchase Order, included with the

returned materials, will expedite the

turn-around of serviced equipment. It is

recommended to include authorization

on the Purchase Order for PCB to

proceed with any repairs, as long as

they do not exceed 50% of the

replacement cost of the returned

item(s). PCB will provide a price

quotation or replacement

recommendation for any item whose

repair costs would exceed 50% of

replacement cost, or any item that is not

economically feasible to repair. For

routine calibration services, the

Purchase Order should include

authorization to proceed and return at

current pricing, which can be obtained

from a factory customer service

representative.

Contact Information –International

customers should direct all inquiries to

their local distributor or sales office. A

complete list of distributors and offices

can be found at www.pcb.com.

Customers within the United States may

contact their local sales representative

or a factory customer service

representative. A complete list of sales

representatives can be found at

www.pcb.com. Toll-free telephone

numbers for a factory customer service

representative, in the division

responsible for this product, can be

found on the title page at the front of this

manual. Our ship to address and

general contact numbers are:

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLineSM: (716) 684-0001

Website: www.pcb.com

E-mail: [email protected]

PCB工业监视和测量设备 - 中国RoHS2公布表

PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table

部件名称

有害物质

铅(Pb)

汞

(Hg)

镉

(Cd)

六价铬(Cr(VI))

多溴联苯 (PBB)

多溴二苯醚(PBDE)

住房

PCB板

电气连接器

压电晶体

环氧

铁氟龙

电子

厚膜基板

电线

电缆

塑料

焊接

铜合金/黄铜

本表格依据 SJ/T 11364 的规定编制。

O：表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要求以下。

X：表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的限量要求。

铅是欧洲RoHS指令2011/65/ EU附件三和附件四目前由于允许的豁免。

CHINA RoHS COMPLIANCE

DOCUMENT NUMBER: 21354

DOCUMENT REVISION: D

ECN: 46162

Component Name

Hazardous Substances

Lead

(Pb)

Mercury

(Hg)

Cadmium

(Cd)

Chromium VI

Compounds

(Cr(VI))

Polybrominated

Biphenyls

(PBB)

Polybrominated

Diphenyl

Ethers (PBDE)

Housing

PCB Board

Electrical

Connectors

Piezoelectric

Crystals

Epoxy

Teflon

Electronics

Thick Film

Substrate

Wires

Cables

Plastic

Solder

Copper Alloy/Brass

This table is prepared in accordance with the provisions of SJ/T 11364.

O: Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit

requirement of GB/T 26572.

X: Indicates that said hazardous substance contained in at least one of the homogeneous materials for this part is above

the limit requirement of GB/T 26572.

Lead is present due to allowed exemption in Annex III or Annex IV of the European RoHS Directive 2011/65/EU.

SERIES 8162 STRAIN GAGE SIGNAL CONDITIONER MANUAL

Table of Contents

Section Page

1.0 Description 2

2.0 Power Connections 2

3.0 Transducer Cabling 2

4.0 Analog Outputs 2

5.0 Transducer Excitation 2

6.0 Calibration 3

7.0 Gain Switches 4

8.0 Mounting 4

Figures

1 - Series 8162 Signal Conditioner 2

2 - Mounting Hole Dimensions 4

3 - Exterior Dimensions 4

4 - Inside View 5

Tables

1 - Transducer Cabling 2

2 - Gain Switch Positions 4

MANUAL NUMBER: 29224

MANUAL REVISION: B

ECN NUMBER: 41446

SERIES 8162 STRAIN GAGE SIGNAL CONDITIONER MANUAL

1.0 Description

Series 8162 Strain Gage Signal Conditioners provide

conditioned, amplified analog voltage and current

output for strain gage based sensors such as load cells

and reaction torque sensors. The units operate from

12 to 28 V

power, and deliver ± 5 or ± 10 V and 4

to 20 mA output signals for recording, control, and

analysis purposes.

Figure 1 - Series 8162 Signal Conditioner

The Series 8162 Signal Conditioners provide a wide

strain gage input range from 0.5 to 11 mV/V, and are

housed in fire resistant, waterproof NEMA 4X (IP66)

enclosures. Standard features include an integral

shunt calibration switch with an internal resistor, a

two-pole active filter with 100 Hz cut-off, and

watertight compression fittings for easy installation.

Typically, Series 8162 Signal Conditioners are

configured to operate with a specific transducer

during system calibration at the factory. Therefore,

internal adjustments are not normally required prior

to initial use. However, should adjustments be

needed, the following sections outline instructions to

configure the conditioner to other specific

applications.

2.0 Power Connection

The Series 8162 Signal Conditioner is designed to

operate on a customer supplied DC power source

with a voltage range of 12 to 28 volts. To connect

power to the conditioner,

a. Loosen the four screws on top of the box and

remove the lid to expose the internal circuit

board.

b. Insert a power cable through one of compression

fittings located on the side of the unit.

c. Prepare the wire leads of the cable, then insert

the input voltage wire into the screw 1 position

on terminal J1. Reference Figure 4 for the J1

terminal location. Tighten the screw to fasten

the wire in place.

d. Next, insert the Ground wire into the screw 2

position on terminal J1. Tighten the screw to

fasten the wire.

3.0 Transducer Cabling

High quality twisted pair shielded cable with four

conductors is recommended (such as Belden 8723)

for transducer hook up. PCB can supply finished

cables for transducers with either a PT02E-10-6P or

PC04E-10-6P receptacle if desired.

To connect the transducer to the conditioner, insert

the interconnect cable through a compression fitting,

then screw attach to terminal J2 per the arrangement

outlined in Table 1 below.

Table 1 – Transducer Cabling

+Signal (Green) Screw 1

–Signal (White) Screw 2

–Excitation (Black) Screw 3

+Excitation (Red) Screw 4

4.0 Analog Outputs

Two analog outputs are available on the 8162 Series

Signal Conditioner. The first is a voltage output that

is jumper selectable to either ±5 or ±10 volts. The

desired voltage output is set by the position of the P2

Jumper. Jumping pins 1 and 2 will set the

conditioner to ±10 V

OUT

. Jumping pins 2 and 3 will

set the conditioner to ±5 V

OUT

. Adjust Zero Balance

and Span by using the R23, R29, and R22

potentiometers on the conditioner’s internal circuit

board. Refer to Figure 4. Note that Zero Balance has

both a coarse and fine adjustment.

A 4 to 20 mA current output is the second available

output. The current output is adjusted using the R5

and R20 potentiometers. Reference Figure 4 for

exact locations of the potentiometers.

Connecting output instrumentation to the signal

conditioner is accomplished by attaching an

interconnect cable to terminal J3 on the conditioner’s

internal circuit board. Voltage output is fastened to

screw 4; current output is attached to screw 1.

Ground leads may be attached to either screw 2 or 3.

5.0 Transducer Excitation

SERIES 8162 STRAIN GAGE SIGNAL CONDITIONER MANUAL

Either 5-volt or 10-volt bridge excitation can be

selected. In general, 5-volt excitation is used with

120Ωtransducers, and the 10-volt excitation is used

with 350Ωand 700Ωtransducers.

Excitation voltage is set by the position of the P1

Jumper. See Figure 4. Jumping pins 1 and 2 will set

the conditioner to 10 V

EXC

. Jumping pins 2 and 3

will set the conditioner to 5 V

EXC

6.0 Calibration

The Series 8162 can be calibrated using (2) different

methods. The first method uses actual or simulated

Zero and Full Scale (FS) inputs. Actual inputs may

come from a strain gage transducer loaded with

calibrated weights. Simulated inputs may come from

a strain gage bridge simulator.

The second method utilizes an R

CAL

resistor to

simulate a load on a strain gage bridge. The R

CAL

resistor, located in the R12 position in Figure 4, is

shunted across one arm of the strain gage bridge

when the R

CAL

Switch (SW1) is depressed. The

shunt produces an imbalance equivalent to that of a

particular value of mechanical input. If this

Equivalent Input value is accurately known, it can be

used as a reference point for shunt calibration of the

system. Upon completion of installation of the

transducer and its associated cabling, the user can:

a. Perform an overall deadweight calibration using

a precisely known value of mechanical input.

The calibration can then be transferred to the

installed calibration resistor for convenience in

checking later.

b. Replace the installed calibration resistor with

one supplied by the transducer manufacturer, or

an equivalent resistance value, to achieve a

precisely known equivalent input, allowing the

instrument sensitivity to be adjusted correctly.

c. A 30K ohm resistor is installed at the factory and

is used during final checkout of the instrument.

It is replaced with a more proper value resistor

when calibrated with a specific transducer to

produce a more accurate shunt value. The

resistor is mounted internally on terminal R12

located on the printed circuit board in the

instrument. See Figure 4. It can be reached by

removing the cover.

Note: Soldering is not required to remove or install

the shunt calibration resistor. When an amplifier is

purchased with a specific sensor as a system, PCB

will install the proper value shunt resistor in the

amplifier.

CAL

Polarity (+R

CAL

/ -R

CAL

)

The default R

CAL

polarity setting of the Series 8162

Signal Conditioner is positive (+). Depending on the

particular sensor being calibrated with the

conditioner, +R

CAL

and/or -R

CAL

data is provided on

the calibration certificate.

The polarity of the R

CAL

may be switched by

changing the solder jumper position on the R

CAL

solder tabs located on the internal circuit board of the

conditioner. See Figure 4 for the R

CAL

solder tab

locations. Solder applied to jumper 1 will yield a

CAL

, solder applied to jumper 2 will yield a -R

CAL

SERIES 8162 STRAIN GAGE SIGNAL CONDITIONER MANUAL

7.0 Gain Switch

Table 2 illustrates the proper Gain switch settings on switch block SW2 (shown in Figure 4) based on the input

signal from the sensor with which it is used. Set each of the four switches to either 1 (ON) or 0 (OFF) according to

the sensor’s excitation voltage and sensitivity.

Table 2 – Switch Positions for Input Signal Range Adjustment

Sensitivity (mV/V)

Vexc = 5 VDC Sensitivity (mV/V)

Vexc = 10 VDC SW2 Settings

1 2 3 4 SW2

1 = SW “ON”

7.0 to 11.0 3.5 to 5.5 0 0 0 1

4.6 to 7.0 2.3 to 3.5 0 0 1 0

3.0 to 4.6 1.5 to 2.3 0 1 0 0

2.0 to 3.0 1.0 to 1.5 1 0 0 0

1.5 to 2.0 0.75 to 1.0 1 0 1 0

1.0 to 1.5 0.50 to 0.75 1 1 0 1

0.9 to 1.0 0.45 to 0.50 1 1 1 1

8.0 Mounting

To mount the Series 8162 signal conditioner, reference the hole patterns in Figure 2 for specific dimensions. Figure

3 illustrates the exterior dimensions of the conditioner. Dimensions are expressed in inches (millimeters).

Figure 2

Figure 3

3.110 (79)

1.968 (50)

∅

0.19 (4.8)

1.968 (50)

SERIES 8162 STRAIN GAGE SIGNAL CONDITIONER MANUAL

Figure 4 - Inside View

J1 = Input Power

J3 = Output Connections

P2 = Voltage Output

P1 = Bridge Excitation

SW1 = R

CAL

Switch

SW2 = Gain Switch

1 = +R

CAL

R5 = 4mA adjust

20mA adjust

R22 = Fine Span

R23 = Coarse Zero

J2 = Transducer Connections

R12 = R

CAL

Resistor2 = -R

CAL

R20 = 20mA adjust

R29 = Fine Zero

Tabla de contenidos

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