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Summary of Contents for PCB Piezotronics 8120-110A
- Page 1 Model 8120-110A POWER SUPPLY 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: info@pcb.com Web: www.pcb.com...
- Page 2 Assistance is needed to safely operate equipment PCB Piezotronics is an ISO-9001 certified company whose Damage is visible or suspected calibration services are accredited by A2LA to ISO/IEC Equipment fails or malfunctions 17025, with full traceability to SI through N.I.S.T.
- Page 3 CAUTION Refers to hazards that could damage the instrument. NOTE Indicates tips, recommendations and important information. The notes simplify processes and contain additional information on particular operating steps. The following symbols may be found on the equipment described in this manual: This symbol on the unit indicates that high voltage may be present.
- Page 4 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 有害物质 镉 汞 铅 (Pb) 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 (Hg) (Cd) 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...
- Page 5 Component Name Hazardous Substances Lead (Pb) Mercury (Hg) Cadmium (Cd) Chromium VI Polybrominated Polybrominated Compounds Biphenyls (PBB) Diphenyl Ethers (Cr(VI)) (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.
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Page 6: Table Of Contents
MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL TABLE OF CONTENTS Sections Page 1.0 DESCRIPTION 2.0 INSTALLATION 3.0 OPERATION 4.0 BLOCK DIAGRAM DESCRIPTION 5.0 VERIFICATION OF NORMAL OPERATION Figure s 1 - 8120 SERIES INSTRUMENT WITH DIGITAL INDICATOR 2 - FULL-SCALE DISPLAYS FOR THREE RANGES 3 - SCALE, DECIMAL POINT, DUMMY ZERO SWITCHES 4 - A/D CONVERTER TIMING DIAGRAM 5 - BLOCK DIAGRAM DESCRIPTION... -
Page 7: Description
Signal Conditioner purchased; (2) an instruction manual covering only the Digital Indicator section of a 8120 Series instrument, but Figure 1 - Model 8120-110A applicable to any -110A or –130A instrument; and (3) an instruction manual covering only the Hi-Lo... -
Page 8: Installation
MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL significant digit (MSD) of the display contains the selection, decimal point/dummy zero selection, and polarity sign and is either unlit or lights as a 1 for ac power connection. displays of 10000 or greater. The least significant digit (LSD) is a dummy zero which can be turned Legend Installation ON or left unlit as desired. -
Page 9: Operation
MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL and are illustrated, with the scale selection coding, in Figure 3. With both switches OUT, the ±5000 range is selected. With the left switch OUT and the right switch IN, the ±10000 range is selected. With the left switch IN and the right switch OUT, the ±20000 range is selected. -
Page 10: Block Diagram Description
MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL 4.0 BLOCK DIAGRAM DESCRIPTION converter. The measurement cycle is divided into The purpose of this section is to explain how the an Auto-Zero cycle, a Signal Integrate cycle, and a Digital Indicator works by using a simplified block Reference Integrate cycle. - Page 11 MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL The Overrange Comparator is described in a Dl DIGIT DRIVE is high. When D1 is high, the A following paragraph. SELECT is high and the B SELECT is low, transferring the X data to the Z ports of the Bit The binary-coded-decimal (BCD) outputs of the Selector and allowing the display to count by 2's.
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Page 12: Verification Of Normal Operation
MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL The polarity sign is also part of DS1. The minus (-) output goes low, the BLANK port is pulled low segment is always lit through 6 volts and an through a diode, causing DS2 through DS6 to flash. external resistor tied to circuit common. - Page 13 MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL Figure 4 - A/D Converter Timing Diagram...
- Page 14 MODEL 8120 DIGITAL INDICATOR OPTION OPERATION MANUAL Figure 5 - Block Diagram...
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Page 15: Specifications
MODEL 8120-100A/110A STRAIN GAGE CONDITIONER OPERATION MANUAL Table of Contents Table of Contents Reference Figures and Tables 1.0 Description 2.0 Installation and Cabling 3.0 Calibration 4.0 Verification of Normal Operation 5.0 Repair / Service 6.0 Return Procedure 7.0 Customer Service / Warranty Reference Figures and Tables FIGURE 1 Star Bridge Construction FIGURE 2 Front Panel Description... -
Page 16: Description
(g) Tighten the two securing screws of the rear panel I/O connector to insure that the connector is seated The 8120-110A is similar to the 8120-100A except it and that the conditioner printed-circuit board is also contains a dedicated 4.5 digit LED display with a 3 pushed fully forward so that the front-panel Hz update rate. -
Page 17: Calibration
MODEL 8120-100A/110A STRAIN GAGE CONDITIONER OPERATION MANUAL source. The instrument can use up to 5 watts of power. which has a 4 mV/V or higher sensitivity, 5-volt excitation must be used to maintain proper operation Calibration Resistor without saturating the conditioner amplifiers. Five-volt If a fixed resistor is shunted across one arm of a strain excitation is selected by shorting pins D and E of the gage... -
Page 18: Verification Of Normal Operation
Model 8120 is suspected of contributing, whether the conditioner output such as our 8120-110A. When module is functioning normally or whether it is a only the conditioner is supplied (8120-100A), an source of the observed trouble. -
Page 19: Repair/Service
MODEL 8120-100A/110A STRAIN GAGE CONDITIONER OPERATION MANUAL representative/distributor to discuss repair, refund, or exchange procedures. PCB instrumentation is warranted against defective material and workmanship for one year unless otherwise expressly specified. Damage to instruments caused by incorrect power or misapplication is not covered by warranty. - Page 20 MODEL 8120-100A/110A STRAIN GAGE CONDITIONER OPERATION MANUAL Table 1 Specifications Transducers: 4-arm bridges, 90 to 2000 ohms, nominally 1 to 8 mV/V, full scale (120 ohms or less requires 5-volt excitation). Cables: 4-, 5-, or 7-wire, depending on application; 1000 feet maximum length. Bridge Excitation: Regulated 5 volts or 10 volts dc, selected with I/O connector wiring.
- Page 21 MODEL 8120-100/110 STRAIN GAGE CONDITIONER OPERATION MANUAL 5000 I.X.X.X.X.O 10000 20000 BALANCE -SPAN- 105-135 VAC 10 WATTS STRAIN GAGE CONDITIONER/INDICATOR 50-400 Hz 8120 SERIES DECIMAL POINT Switches: These switches, located in the BALANCE Controls: The coarse (Rc) and fine (Rf) upper right corner of the panel, place the decimal point in its BALANCE controls are used to set the module output to zero proper place for the measurement range.
- Page 22 MODEL 8120-100/110 STRAIN GAGE CONDITIONER OPERATION MANUAL Figure 4 Instrument Mounting Dimensions...
- Page 23 MODEL 8120-100/110 STRAIN GAGE CONDITIONER OPERATION MANUAL Figure 5 Instrument Panel Mounting...
- Page 24 MODEL 8120-100/110 STRAIN GAGE CONDITIONER OPERATION MANUAL Figure 6 PCB Model 8120 Instrument I/O Connector w/pin Designations MANUAL NUMBER: 18221 MANUAL REVISION: NR...
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