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PCB Piezotronics 482C24-SU Installation And Operating Manual

4-channel, line powered, icp sensor
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Model 482C24-SU
4-channel, line powered, ICP® sensor signal cond., AC/DC coupling, gain x0.1 to x200
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-SU 4-channel, line powered, ICP® sensor signal cond., AC/DC coupling, gain x0.1 to x200 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...
  • 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 FRONT PANEL MODULE CONTROL Introduction Unit Initialization...
  • 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 AZZR VEXC CALB...
  • 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 Figure 6 RS-232 Configuration ................20...

  • Page 10: Introduction And Specifications

    WARNING 2: This equipment is designed with user safety in mind; however, the protection provided by the equipment may be impaired if the equipment is used in a manner not specified by PCB Piezotronics, Inc. Caution 1: Cables can kill your equipment. High voltage ElectroStatic Discharge (ESD) can damage electrical devices.

  • Page 11: Model 482C24 System Description

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 1-2. Model 482C24 System Description Model 482C24 is a four-channel, bench top signal conditioner designed to interface measurement signals to readout or ® recording devices. The unit provides up to 20 mA of constant current excitation to power ICP sensors and in-line charge converters.

  • Page 12: Installation

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 1-4. 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

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Gain Sens INPT FSOT FSIN FLTi By pressing the ENTER button, the submenu for changing the gain of any channel appears on the display. The submenu pertaining to the “Gain” selection appears as: Channel Gain 001.0...

  • Page 15: Maintenance And Repair

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL CAUTION: Refer to the rear panel for proper input voltage and currents. 1-6. Maintenance and Repair It is not recommended that the customer attempt repair of the Model 482C in the field. Should trouble occur, contact the factory for assistance.

  • Page 16: Submenu Format And Command Selections

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL The cursor may be moved around the main menu by using the arrow keys. To show the other selections of the main menu, press the down  or up ↑ arrow key. This action scrolls vertically to the subsequent lines on the menu. The additional menu lines that can be selected from are shown below.
  • Page 17 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Full Scale Output (FSOT on front panel): The desired full scale output voltage is entered here using the  and  arrow keys and then hitting Enter. GType must be set to the Normalize selection. The submenus for SENS, FSIN and FSOT appear like this: Chan Sensitivity...
  • Page 18 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL GAIN SENS INPT FSOT FSIN FLTi The following submenu will appear. Choose the channel you wish to change by using the up  and down  arrow keys. Next, use the left / right  arrow key to move the flashing cursor over to the INP Filter column. To change the Filter setting, use either the up ...
  • Page 19 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL EXCi EXCv FLTo ACDC ZERO ARNG  Pressing the ENTER button, will cause the following submenu to appear. The ICP current may be altered by using the up  or down  arrow keys. Chan ICP Current 02 mA...
  • Page 20 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Chan Coupling The coupling options are AC or DC. In DC coupling mode the Auto Zero function becomes available. 8) Auto Zero / Auto Balance (ZERO on front panel): Model 482C24 provides a function for automatically zeroing the channel output for any input type in DC coupling mode.
  • Page 21 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Chan Autoscale NOTE: Auto scale option should NOT be left on while measurements are being taken. It is strictly to be used during the setting of the gain, and then the option should be turned off. 10) Switched Output (SWOT on front panel): Switched Output is not applicable to the 482C24.
  • Page 22 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 482C24 is capable of measuring the bias voltage present on each of its channels. By moving the cursor upon the “Bias” location, the display appears as follows: SWOT CLMP Bias CHRD LEDS Using the ENTER button, the submenu appears as shown in the following diagram.
  • 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. CHRD LEDS Ver?
  • Page 24 MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Current Unit # NOTE: Changing the Unit ID is only necessary if you have the Ethernet or RS-232 communication option installed and you are communicating with more than one unit. If this is the case then all units in the network MUST have a unique ID. Model 482C24 includes an RS-232 port.
  • 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

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Ver? Unit Reset Disp Savs 21) Reserved (Res on front panel): No operation. These menu items are reserved for future use. Ver? Unit Reset Disp Savs Reference 3-0. THEORY OF OPERATION 3-1. Sensor Excitation ®...

  • Page 27: Input Protection

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 3-2. Input Protection The input section has protection to limit the amplitude of the incoming signal to within +24 volts to ground. Maximum allowable input voltage without distortion is ±10 volts, relative to the sensor bias voltage. 3-3.

  • Page 28: Overload Detection And Autoscaling

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL Adding some simple error checking to insure the limits of the sensor and gain limits of the signal conditioner are not exceeded completes the normalization process. FSOT (V) Gain normalized SENS * FSIN Additional Considerations: The storage of individual channel gains is stored in non-volatile memory locations.

  • Page 29: Connector Configuration

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 3-7. Connector Configuration  482C24 provides BNC inputs and outputs for ICP sensors. Input/ Output Connector Definitions:   The BNC connectors are used to accept ICP and Voltage mode input signals. The ICP excitation will be present on ...

  • 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

    MULTICHANNEL SIGNAL CONDITIONER MODEL 482C24 GENERAL OPERATION MANUAL 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.

  • 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: 10.0: 10.0: 200.0;4= 5.0: 10.0: 10.0: 200.0;...

  • 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’ The Clamp value is sent as an integer value of either 0 –Disable (buffered) or 1-Enable.

  • 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 ) Setting Response: 1: SWOT:ok Query: The SWOT query returns all channels coupling setting.

  • 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: Gain Options OPT_GAIN_x1 0x01...

  • 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. Voltage Gain x0.1 to x200 x0.1 to x200...
  • 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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