PCB Piezotronics 482C24 Installation And Operating Manual
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PCB Piezotronics 482C24 Installation And Operating Manual

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Model 482C24
SENSOR SIGNAL CONDITIONER
Installation and Operating Manual
For assistance with the operation of this product,
contact the PCB Piezotronics, Inc.
Toll-free: 716-684-0001
24-hour SensorLine: 716-684-0001
Fax: 716-684-0987
E-mail: info@pcb.com
Web: www.pcb.com

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  • Page 1 Model 482C24 SENSOR SIGNAL CONDITIONER Installation and Operating Manual For assistance with the operation of this product, contact the PCB Piezotronics, Inc. Toll-free: 716-684-0001 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.
  • Page 6 This manual describes the functions and features of model 482C24. Manual Number: 63496 Manual Revision: B ECO Number: 47035  PCB PIEZOTRONICS, INC. 3425 WALDEN AVENUE DEPEW, NY 14043-2495 PHONE 716-684-0001 FAX 716-684-0987 ® ICP is a registered trademark of PCB Group, Inc. KS398...

  • Page 7: Table Of Contents

    Table of Contents Table of Contents INTRODUCTION AND SPECIFICATIONS Introduction: Safety Considerations Model 482C24 System Description ® 1-2.1 Model 482C24 ICP Input/ Output Mode Block Diagram Installation 1-4.1 Grounding Techniques 1-4.2 Quick Set-up Instructions Operation: Standard AC Line Maintenance and Repair...
  • Page 8 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL RS-232 Host Set-Up RS-232 Rear Panel Pin out Listing Ethernet Communication Communication Guidelines Unit Initialization Procedure Command Summary Command Format 4-10 Commands GAIN SENS FSCI FSCO INPT IEXC FLTR OFLT CLMP CPLG...
  • Page 9 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Communication Responses Figure 1 Generic Block Diagram of series 482C ..........2 ® Figure 2 ICP Sensor Excitation ................17 Figure 3 Input Fault Window Comparator with LED Indicator .......18 Figure 4 Input Amplifier Configuration .............18 Figure 5 Autoscale/Overload Window Comparator ........19...

  • Page 10: Introduction And Specifications

    +120°F (0 to +50°C), in an environment having <85% relative humidity. Its line power frequency range is 50/60 Hz. 482C24 requires 10-15 VDC with 500 mA to operate. The unit receives power from a supplied 12 VDC universal AC...

  • Page 11: Model 482C24 System Description

    1-2.1 Model 482C24 ICP Input/ Output Mode 482C24 contains a regulated 24 VDC power supply that provides constant current for up to 4 individual channels. Both the output and input connections utilize BNC connectors and are brought out through the rear panel.

  • Page 12: Installation

    Installation Model 482C24 comes in the form of a standard box. The box should be located in such a way as to allow convenient access to the power outlet for disconnect purposes. Since these units have low power consumption, they can be located in confined environments.
  • Page 13 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL NOTE: Please refer to section 1-4.1b and 1-4.2c for instructions on how to set the mode and gain options. The settings for these options should be considered before unit is used to collect data NOTE: In the submenus a flashing cursor represents a menu that will accept user input.

  • Page 14: Operation: Standard Ac Line

    001.0 To change the gain, use the up  and down  arrow keys to scroll through the values. Model 482C24 has incremental gain selectable from .1 to 200.0. Use the left/right  arrow key to move the flashing cursor over any digit in the gain column to select an appropriate value.

  • Page 15: Maintenance And Repair

    Introduction Model 482C24 is equipped with the capability of controlling functions through the front panel module. This module consists of a display and five (5) push buttons. The display shows various menus in which all of the available options are given.

  • Page 16: Submenu Format And Command Selections

    1) Gain Functionality – Includes five menu selections The following menu options all pertain to how the gain functionality operates in the 482C24. Gain Type (GType on front panel): Allows the user to choose how the gain of each channel can be set. The selections in the submenu are Gain and Normalize (Gain is the factory default setting).
  • Page 17 See section 1-4.2b. 3) Input Filter (FLTi on front panel): A screen stating ‘This Option is Not Installed’ will appear. The 482C24 does not come standard with an input filter, but the option is available. Contact the factory for more information.
  • Page 18 INP Filter 4) Output Filter (FLTo on front panel): A screen stating ‘This Option is Not Installed’ will appear. The 482C24 does not come standard with an output filter, but the option is available. Contact the factory for more information.
  • Page 19 NOTE: The factory default setting for the ICP current is 4 mA. 6) Voltage Excitation (EXCv on the front panel): Voltage excitation is not applicable to the 482C24. The ‘Option Not Installed’ message will appear if it is activated. EXCi EXCv...
  • Page 20 AUTOZERO. The selection can be changed by using the up  or down  buttons. NOTE: The Auto Balance function (AUTOBAL) is not applicable to the 482C24. It is a bridge input mode function which is not supported on the 482C24. If selected an Input Mode error message will be displayed.
  • Page 21 LEDS 11) Clamp (CLMP on the front panel): 482C24 includes a clamped output that is selectable per channel. It is selected by pressing the ENTER key on the front panel when the cursor is located on the CLMP option. SWOT CLMP...
  • Page 22 Chan Output 005.3 14) Calibration (CAL on front panel): The Cal option is not applicable to the 482C24. The ‘This Option is Not Installed’ message will appear if it is activated. CHRD LEDS Ver? Unit...
  • Page 23 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 15) LED Test (LEDS on front panel): The testing of the front panel LEDs allows you to check whether or not they are functioning properly. To test them, place the cursor over the word “LEDS” on the display and press enter.
  • Page 24 18) Reset to Factory Default Settings (Reset on front panel): The 482C24 reset capability provides a mechanism to reset the unit to its factory default settings. To do this select the Reset option from the menu by placing the cursor over the Reset option and hitting enter.
  • Page 25 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Display Opts Gain Following is what the screen will look like if the display was set to show ‘Gain’ and channel 1 has a gain of 100 and is in ® mode with the input filter ‘On’ with no output filter option installed. Similarly, channel 2 has a gain of 200 and is ®...

  • Page 26: Reference

    2 to 20 mA. Sensor excitation occurs as the constant current of all channels are set. Model 482C24 allows the constant current to be adjusted between 0 and 20 mA to provide the required excitation for most applications. Special situations, such as driving extra-long cables (more than 1000 ft) with high frequency or fast rise time pulses, may require increasing the drive current to 12 mA or higher.

  • Page 27: Input Protection

    Input Fault Detection Model 482C24 monitors two input fault conditions, “short” and “open,” which indicate problems with sensor input and is displayed through the front panel LEDs. Either case implies that the sensor is NOT functioning properly. An input is shorted when it has a ground path for the sensor excitation and open when the sensor fails to draw the excitation.

  • Page 28: Overload Detection And Autoscaling

    3-6.1 Auto scaling To avoid overload, model 482C24 features auto scaling for gain adjustment. It first sets maximum gain on all channels, then decreases the gain setting of any channel on which an overload has occurred. The gain auto scale continues until there is no overload with respect to the preset overload threshold level (standard ±10 volts) and sensed signal of the...

  • Page 29: Connector Configuration

    RS-232 Interface Figure 6 RS-232 Configuration The RS-232 Interface provides serial control of 482C24. This may be accomplished through the use of a personal computer, dumb terminal, or handheld controller. The command format is based upon letter representations of the controllable options.

  • Page 30: Rs-232 Host Set-Up

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 4-2. RS-232 The RS-232 provides total control of the unit except for hardware RESET. The rest of the options described previously are computer-controllable. 4-3. RS-232 Host Set-Up Before any serial interface is used to communicate with the host computer, a specific set-up must be followed. These parameters must be set for the host computer.

  • Page 31: Unit Initialization Procedure

    4-7. Unit Initialization Procedure 1) To begin, plug 9-pin female DSUB connector of given cable into RS-232 port of model 482C24. Plug the other end of the cable into the COM port of the computer. 2) Turn on power to the unit. The display or power indicator should light up to indicate the power is on.

  • Page 32: Command Format

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 4-9. Command Format The 482C24 communication protocol incorporates the concept of 'Directed' and 'Global' commands at both the Unit and Channel level with the following characteristics;  Unit or Channel numbers =0 are global commands that affect either all units or all channels of a particular unit or both.

  • Page 33: Sens

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Query: The Gain query returns all of the parameters used to determine it in a single response Query Format: Unit#:Ch#:CMD? Response format: Unit#:Cmd:Ch#:=Gain:SENS:FSO:FSI; Query: 1:5:GAIN? Response: 1:GAIN:5= 5.0: 10.0: 10.0: 200.0; Global Gain Query: 1:0:GAIN? Global Gain Response: 1:GAIN:1= 5.0: 10.0: 10.0: 200.0;2= 5.0: 10.0: 10.0: 200.0;3= 5.0:...

  • Page 34: Fsco

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL FSCO The FSCO command provides a scaling mechanism to automatically set the gain based on a known input level (in EU) and what output level (in Volts) you would like that Full Scale input level to be represented by. For instance 1000g’s = 10Volts.

  • Page 35: Iexc

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Global INPT Query: 1:0:INPT? Global INPT Response: 1:INPT:1= 2.0;2= 2.0;3= 2.0;4= 2.0; IEXC ® The IEXC command sets the current excitation level for ICP mode. If the channel was in Voltage mode and this value gets set >...

  • Page 36: Clmp

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Query Format: Unit#:Ch#:CMD? Response format: Unit#:Cmd:Ch#:= <0|1>; Query: 2:1: OFLT? Response: 2: OFLT:1=1; Global OFLT Query: 1:0: OFLT? Global OFLT Response: 1: OFLT:1=1;2=0;3=0;4=0; CLMP The CLMP command enables or disables the Clamp feature. When Clamp is disabled the channel is ‘Buffered’...

  • Page 37: Vexc

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Setting: 2:1:AZZR= 1\r\n ( unit 2, channel 1, Auto Zero) Setting Response: 2:AZZR:ok Query: VEXC The VEXC command sets the voltage excitation level for bridge and differential mode inputs. The voltage excitation value is sent as a floating point number from 0.0 (off) to ±12.0 Volts. If the value is sent as a negative number then the minus (-) Bridge Excitation will track the plus (+) Bridge Excitation setting.

  • Page 38: Rted

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Global Query: 1:0:CALB? Global Response: 1:CALB:1=4;2=0;3=0;4=0; RTED The RTED query returns the TEDS information that is stored in the EEPROM of a memory chip in the sensor or other, TEDS capable, in-line module attached to a specific channel. Following is a list of recognized TEDS chips that can be read with the RTED command;...

  • Page 39: Wted

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Response: (for a DS2430A TEDS chip on channel 2 with valid app register data) 1:RTED:2=1:168010a0097500008e64d059e6a427204aa7394a0a73215aa06d01903f97e6b7dcf9bc02 40000000 Query example 2: 1:1:RTED?00 Response example 2: Teds read on a sensor with a DS2431 chip (Family code 45 (0x2D) is the 1 item after the ‘=’...

  • Page 40: Rbia

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Setting: N/A – Command is Read only Query: This command must be a directed command use of the global channel indicator is not allowed. Query Format: Unit#:Ch#:CMD? Response format: Unit#:Cmd:Ch#:= GAIN:<Gain value>; SENS:< SENS value>; FSCI:< FSCI value>;...

  • Page 41: Stus

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL The switched output value is sent as an integer value: 0-OFF; or 1-MAX Channels to designate which channel is switched. Setting: 1:0:SWOT= 4\r\n ( unit 1, channel NA, Channel 4 is switched to the switched output BNC )

  • Page 42: Unid

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Model & Firmware version strings are self-explanatory. Following are: Serial Number (U16): Cal Date (10 character string): Filter corner (kHz) Unit Id: Number of Channels: Starting Channel Number followed by the option bytes:...

  • Page 43: Leds

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Query: This command can be sent as a query but its usefulness is marginal being as it is a directed command and as such it is necessary to include the Unit Id in the command and the response will simply validate the commands unit id parameter.

  • Page 44: Autr

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL AUTR The AUTR command invokes the Auto-Scaling function. With this command, the programmable gain is adjusted to give the largest signal amplitude output without causing an overload condition. The signals are checked internally; if there is an overload, the signal is stepped down and checked again.
  • Page 45 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Bridge DC Offset ERR - Illegal Setting <Unit>:<Cmd String>:-12<CR> <LF> Bridge DC Offset ERR - Too Many iterations <Unit>:<Cmd String>:-13<CR> <LF> ICP DC Offset ERR - Bad RDG <Unit>:<Cmd String>:-14<CR> <LF> ICP DC Offset ERR - Too Many iterations <Unit>:<Cmd String>:-15<CR>...
  • Page 46 Model Number Revision: A SENSOR SIGNAL CONDITIONER 482C24 ECN #: 45020 Performance ENGLISH OPTIONAL VERSIONS Channels Optional versions have identical specifications and accessories as listed for the standard Sensor Input Type(s) ICP®, Voltage ICP®, Voltage model except where noted below. More than one option may be used.
  • Page 47 PCB Piezotronics Inc. claims proprietary rights in REVISIONS the information disclosed hereon. Neither it nor any reproduction thereof will be disclosed to others DESCRIPTION without the written consent of PCB Piezotronics Inc. UPDATED ARTWORK 37737 5.92 [150.3] 8.07 [205.0] 5.51 [140.0] 2.97 [75.4]...

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