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Teac TD-SC1 Instructions For Use Manual

Load cell signal conditioner
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D01389305A
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Load Cell Signal Conditioner
Instructions for Use
TD-SC1

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  • Page 1 D01389305A Load Cell Signal Conditioner Instructions for Use TD-SC1...

  • Page 2: Introduction

    In this manual, “this unit” or “TD-SC1” is used when referring to Input/output connector plug both TD-SC1 (D/A) and TD-SC1 (485) models. B2CF 3.50/18/180LR SN OR BX...

  • Page 3: Safety Information

    Safety information This document describes the safety instructions for the operation of this unit. Before operating the product, read this document care- fully to familiarize yourself with the unit. Follow the instructions below to avoid risk of serious WARNING personal injury and death. Never use beyond the rated specifications as there is the danger of property damage, injury, fire or electrical shock.
  • Page 4 Safety information Follow the instructions below to avoid risk of CAUTION personal injury or property damage. Disconnect the power cord when performing the following. o When wiring or connecting cables to the terminal banks for connecting the DC power supply, load cells and external inputs and outputs o When connecting the ground line Wait for at least five seconds between turning the unit on and off.
  • Page 5 Safety information Model for USA Model for Europe Supplier’s Declaration of Conformity DECLARATION OF CONFORMITY Model number: TD-SC1 This product complies with the Trade name: TEAC European Directives request, and the Responsible party: TEAC AMERICA,INC. other Commission Regulations. Address: 10410 Pioneer Blvd. Unit #1, Santa Fe Springs, DECLARACIÓN DE CONFORMIDAD...
  • Page 6 In no event shall TEAC be liable for any damages local, regional and national governments. whatsoever (including, without limitation, damages for loss of...

  • Page 7: Table Of Contents

    8-1-2. Remote Sense ........36 5-1-2. When using a TD-SC1 (485) ..... 17 8-2.
  • Page 8 Contents 8-4. TEDS calibration ........40 11-2.

  • Page 9: Names And Functions Of Parts

    1. Names and functions of parts 1-1. Front TD-SC1 (D/A) TD-SC1 (485) NOTE USB port Use communications to make settings for this unit. See the Use this for communication with this unit. chapter on the communication method being used for details.

  • Page 10: Top

    1. Names and functions of parts 1-2. Top Input/output connector ZERO button Insert the included input/output connector plug here. When Calibration Value Lock is OFF, press and hold to Connect strain gauge transducers, TEDS sensors. control use the zero balancing function. inputs and comparison outputs.

  • Page 11: Installation

    2. Installation Follow these procedures to install the unit in a control panel. 2-2. Removing from a DIN rail 2-1. Attaching to a DIN rail Press the unit down so that the lower clasp on the adapter disconnects from the DIN rail. Then, pull it for- ward to remove it.

  • Page 12: Making Connections

    3. Making connections 3-1. Connecting to the input/ 3-2. Connecting a strain gauge output connector transducer A 2-piece type connector is used. 3-2-1. About the remote sense function Insert the included input/output connector plug into the input/output connector. Set the Remote Sense setting before connecting the sensor When wiring the input/output connector plug, press the but- (page 27).
  • Page 13 3. Making connections Connecting TEDS sensors and 4-wire sensors Terminal Signal Wire color Strain gauge transducer TD-SC1 number TEDS Orange TEDS Teds Data Memory Green +EXC (A) +EXC (A) +SENS (F) − −SIG (B) Black -SIG (B) −EXC (C) Blue −SENS(G)

  • Page 14: Control Input And Output Terminals

    Signals are input with the external input circuit when shorted or opened between any control input terminal and the com- mon terminal. 3-3-1. Control input terminals Shorts occur from both contact and non-contact (transistor). TD-SC1 Terminal Signal Explanation number Sets the indicator value digitally to 0.

  • Page 15: Comparison Output Terminals

    3. Making connections 3-3-3. Comparison output terminals 3-4. Connecting the DC power supply input terminals Terminal Signal Explanation number The DC power supply input voltage should be 24 V ±10%. High limit judgment output Use a power supply cord that is 0.517 to 2.081  mm (20 to Low limit judgment output 14 AWG).

  • Page 16: Control App

    4. Control app Use communications to make settings for this unit. See the chapter on the communication method being used for details. A control app that makes the unit’s settings easy is available. Use this control app to make the unit’s settings if you are not making your own control app for the unit.

  • Page 17: Usb

    Do not use a USB hub when connecting the USB port on this unit and a computer. Connect them directly. 5-1-2. When using a TD-SC1 (485) To use the USB of the TD-SC1 (485) for transmission, slide the USB/RS-485 switch down.

  • Page 18: Overview

    6. RS-485 6-2-3. Connecting the RS-485 terminals In this chapter we explain the RS-485 functions of the TD-SC1 (485). o We recommend using twisted-pair cables for connections. 6-1. RS-485 overview o If these units will be used at both ends, short the B- and TRM terminals.

  • Page 19: Transmission Settings

    6. RS-485 Communication Mode 6-3. RS-485 transmission settings Select the RS-485 transmission protocol. TD Format This transmission protocol is unique to RS-485 setting items are added to the TD-SC1 (485). the TD-SC1. Setting Format Default value Options TD Format (BCC)

  • Page 20: Transmission Protocols (Td Format/Td Format (Bcc))

    6. RS-485 6-4. Transmission protocols (TD Format/TD Format (BCC)) TD Format does not use checksums. TD Format (BCC) adds checksums after data. 6-4-1. Commands TD Format HEX 0x23 0×30 0×31 0x33 0x30 0×30 0×32 0x2D 0x30 0×31 0×38 0×30 0×30 0×0D ASCII −...

  • Page 21: Responses

    6. RS-485 6-4-2. Responses The characters at the beginning of the response show the command execution result. The reply is “ACK” if it was completed properly or “NAK” if it ended in an error. The characters at the end of the response can be set to either “CR” and “LF” or just “CR” (page 19). Command execution result when completed properly TD Format HEX 0x06 0×30 0×31 0x33 0x30 0×30 0×32 0×0D 0×0A...

  • Page 22: Transmission Commands

    6. RS-485 6-5. Transmission commands In this section, examples of transmission using TD Format (BCC) are given. To transmit using TD Format, remove the checksum from the transmission examples. These examples are of transmissions with a device with ID number 1. Example responses are only given for command execution results that have completed properly.

  • Page 23: Status Polling (0002)

    6. RS-485 ST1 (7-bit length) ST2 (7-bit length) bit Name Status bit Name Status Stable Output 0: OFF 1: ON 0: Standing by 1: Executing Command Status 2: Error occurred 3: Continuous sending mode OK Output 0: OFF 1: ON High Limit Judgment Nearly Zero Output 0: OFF 1: ON...

  • Page 24: Indicator Value Polling (0003)

    6. RS-485 6-5-3. Indicator Value Polling (0003) This only returns poling (0001) indicator values. Command HEX 0x23 0×30 0×31 0×30 0×30 0×30 0×32 0×32 0×34 0×0D ASCII Command No. Checksum ID number Response HEX 0x06 0×30 0×31 0×30 0×30 0×30 0×32 0x2E 0x0D 0×0A ASCII ACK...

  • Page 25: Setting Value Loading Command Format

    6. RS-485 6-5-5. Setting value loading command format Command numbers 0000 to 5802 in “6-6. Commands” on page 27 are transmitted in this format. Data is fixed to 6 characters. If the data lacks 6 characters, each opening will be filled with a “0”. Command Hold Mode Setting (4001) example HEX 0x23 0×30 0×31 0×34 0×30 0×30 0×31 0x45 0x30 0×0D...

  • Page 26: Continuous Transmission Format

    See “6-5-1. Polling (0001)” on page 22 for details about the data format. Timing s Command cycle w Setting Execution Polling command command TD-SC1 (485) Reply data Reply data Response tdr: 5000ms maximum command response twc: 30ms minimum command interval ATTENTION The twc command interval value varies depending on the command type.

  • Page 27: Commands

    6. RS-485 6-6. Commands 6-6-1. Execution Command Command data (setting Operation Setting name Default value value) explanation Digital Zero 0000 page 41 Clear Digital Zero 0000 page 44 Hold On 0000 page 14 Hold Off 0000 Hold Lock 0000 page 55 Hold Clear 0000 page 14 Switch to Home Screen 0000...

  • Page 28: Condition Settings

    6. RS-485 Command Default value Command data (setting Operation Group Setting name (actual unit) value) explanation 0: Voltage D/A Output Mode 1301 0: Voltage page 34 1: Current D/A Maximum Voltage 1302 10 V 1 V − 10 V page 34 D/A Converter* 00000 D/A Zero 1303 −99999 to 99999 page 33...

  • Page 29: Comparison Settings

    6. RS-485 Command Default value Command data (setting Operation Group Setting name (actual unit) value) explanation 0: OFF Enable Digital Zero 2301 1: ON page 44 1: ON Digital Zero 99999 Digital Zero Limit Value 2302 00000 to 99999 page 44 (999.99) 00000 Digital Offset 2303...

  • Page 30: Hold Function Settings

    Setting Value Memory 5002 0: Memory 1 page 56 2: Memory 3 3: Memory 4 Save All Setting Values 5003 page 56 “TD-SC1 ” 16-byte (characters Device Name 5010 first, followed by spaces) 0: DA 1: EtherNet/IP Device Information Communication Option 5012 page 56...
  • Page 31 6. RS-485 Command Command data (setting Operation Group Setting name Default value value) explanation 0: USB Port Selection 5700 1: RS-485 ID Number 5701 1 to 31 0: TD Format 1: TD Format Communication Mode 5702 1: TD Format (BCC) (BCC) 2: Continuous Transmission 0: 4800...

  • Page 32: Teds

    6. RS-485 6-6-8. TEDS Command Command data (setting Operation Group Setting name Default value value) explanation Serial Number 6001 0 to 99999999 BCD (highest byte is decimal Maximum Rated Capacity 6002 point position) BCD (highest byte is decimal Maximum Rated Output 6003 point position) (mV/V) BCD (highest byte is decimal...

  • Page 33: D/A Converter

    7. D/A converter In this chapter we explain the D/A converter functions of the TD-SC1 (D/A). The D/A converter settings only affect TD-SC1 (D/A) models. The D/A converter allows for analog output that corresponds to the unit indicator value. The analog output range is either 0–±10V voltage output or External device 4–20mA current output.

  • Page 34: D/A Full Scale

    7. D/A converter Setting example 4 7-3. D/A Full Scale D/A Zero −010.00 D/A Full Scale 020.00 With the “7-2. D/A Zero” value as the reference, set the span for the indicator values output to D/A. Indicator value D/A output When the “7-2.

  • Page 35: Calibration

    8. Calibration Sensor check before calibrating Connecting the unit with a strain gauge transducer and setting how the indicator values will be shown is called “cali- After connecting a sensor and providing power, calibration is bration”. The following three calibration methods can be used not possible if the indicator value is unstable or the status indi- with the unit.

  • Page 36: Procedures Shared By All Calibration Methods

    TEDS calibration. ATTENTION When calibration is conducted, the D/A Converter setting will be initialized automatically according to the calibration value (TD-SC1 (D/A) only).

  • Page 37: Equivalent Input Calibration

    See “7. D/A converter” on page  33 for information about D/A settings. 8-2-5. Zero Balancing With no load on the sensor, send a Zero Balancing command. *TD-SC1 (D/A) only During zero balancing, ST1 will be “Executing”. o If ST1 becomes “Error occurred”, conduct countermeasures and redo calibration.

  • Page 38: D/A Output Mode

    Calibration Value Lock should usually be set to ON. Rated Capacity Value (load calibration) D/A Output Mode* D/A Maximum Voltage* D/A Full Scale* Maximum Display Value Calibration Value Lock o See “7. D/A converter” on page  33 for information about D/A settings. *TD-SC1 (D/A) only...

  • Page 39: Bridge Voltage

    If it is “Error occurred”, conduct countermeasures and redo calibration. ATTENTION For the TD-SC1 (D/A), the rated capacity is set to the D/A full scale value. NOTE o The decimal point position set here will be used as the indi- cator value decimal point position.

  • Page 40: Teds Calibration

    D/A Maximum Voltage: 10 V o The Maximum Display Value is set to 110% of the rated capacity. Zero Balancing *TD-SC1 (D/A) only ATTENTION Calibration Value Lock The bridge voltage will be set to a value that is less than the maximum safe excitation voltage stored in the TEDS memory.

  • Page 41: Remote Sense

    8. Calibration 8-5. Remote Sense 8-9. Sensor Input Logic Before connecting the sensor, set which type will be con- The sensor input logic can be reversed artificially. nected in advance. Normally, “Standard” should be used. Options: Used (6-wire format) NOTE Unused (4-wire format) o “Reversed”...

  • Page 42: Condition Settings

    9. Condition settings 9-1-3. Automatic Digital Filter 9-1. Filter When the input signal is stable, the unit can temporarily set the filter’s moving average data set size to 1024, reducing indi- cator value unsteadiness. 9-1-1. Low-Pass Filter Selection This function is used for the display of indicator values and affects judgments and DA output.

  • Page 43: Motion Detect

    9. Condition settings 9-2. Motion Detect Set the parameters used to detect stability. The indicator value is judged to be stable if a difference less than the set width occurs between the current indicator value and the indicator value 100 mSec before, and this continues for the set time. The motion detect function is closely related to the comparison mode.

  • Page 44: Digital Offset

    9-7. Select Data Output unit is the same as for the indicator value.) ATTENTION Select the data output from the D/A converter of the TD-SC1 If the current sensor input value exceeds the digital zero limit (D/A). setting value, the result of Digital Zero Limit Value command Select Data Output has the following two options.

  • Page 45: Comparison Settings

    10. Comparison settings 10-1. Comparison value settings 10-2. Comparison Pattern Setting Use this function to set the high limit and low limit values, You can change the judgment output high limit and low limit compare them with indicator values, and turn judgment out- assignments of HI and LO.

  • Page 46: Comparison Mode Setting

    10. Comparison settings When set to LO/HI/OK, all are assigned to low limit (when 10-3. Comparison Mode Setting Standard Comparison Output Pattern setting) Indicator value Set the conditions for judging high limit and low limit. NOTE High limit value Compare During Stable, Compare Except Nearly Zero and Low limit value Compare During Stable Except Nearly Zero comparison modes are closely related to motion detect and nearly zero functions.

  • Page 47: Hysteresis

    10. Comparison settings 10-4. Hysteresis This function applies a width to switching from ON to OFF for high limit and low limit judgment. If the indicator value fluctuates near a comparison value, causing judgment output to chatter between ON and OFF, adjustment of the hysteresis value can prevent this chattering.

  • Page 48: Comparison Output Pattern

    10. Comparison settings 10-5-2. Area Output 10-5. Comparison Output Pattern Judgment output operation is as follows. (when hysteresis is “0”) The two types of judgment output operation are Standard HI: high limit value < indicator value Output and Area Output. LO: Low limit value <...

  • Page 49: Hold Function Settings

    11. Hold function settings 11-1. Hold Mode The Hold Mode has the following four types. No hold Sample Sample hold Peak Peak hold Bottom Bottom hold 11-1-1. Hold value reading The data returned by Polling (0001) or Indicator Value Polling (0003) when holding is the hold value.

  • Page 50: Sample Hold

    11. Hold function settings 11-1-2. Sample hold The Hold On command or a Hold signal from a control input terminal can be used to hold the indicator value. Send a Hold On command to hold an indicator value, and send a Hold Off command to stop holding it. Indicator value Sensor input value Indicator value...

  • Page 51: Peak Hold

    11. Hold function settings 11-1-3. Peak hold 11-1-3-1. No Zone Definition While a Hold On command is active or while a control input terminal Hold signal is ON, the maximum value (peak value) in the indi- cator value positive direction is held. Sending a Hold Off command or making the Hold signal OFF will end the peak hold. When holding, sending a Hold Clear command or making the control input terminal Clear signal ON will also reset the peak value.

  • Page 52: Zone Definition Used

    11. Hold function settings 11-1-3-2. Zone Definition used The indicator value when the hold operation completes continues to be held. A hold will be reset by sending a Hold Clear command or by the control input terminal Clear signal becoming ON. Indicator value Indicator value Sensor input value...

  • Page 53: Bottom Hold

    11. Hold function settings 11-1-4. Bottom hold 11-1-4-1. No Zone Definition While a Hold On command has been sent or a control input terminal Hold signal is ON, the lowest indicator value (bottom value) is held. Sending a Hold Off command or making the control input terminal Hold signal OFF will end the bottom hold. When holding, sending a Hold Clear command or making the control input terminal Clear signal ON will also reset the bottom value.

  • Page 54: Zone Definition Used

    11. Hold function settings 11-1-4-2. Zone Definition used The indicator value when the hold operation completes continues to be held. A hold will be reset by sending a Hold Clear command or by making the control input terminal Clear signal become ON. Indicator value Indicator value Sensor input value...

  • Page 55: External Hold Mode

    11. Hold function settings 11-2. External Hold Mode Select the control input terminal Hold signal format. The External Hold Mode has the following two types. Level Pulse 11-3. Clear signal The Clear signal command sets whether control input terminal Clear signals are enabled or disabled. 11-4.

  • Page 56: System Settings

    12. System settings 12-1. Setting value memory 12-4. Lock Select the setting value memory. You can save up to 4 memories with setting values and switch 12-4-1. Calibration Value Lock among them. See “14-1. Lock item list” on page  58 for information about settings that cannot be changed when Calibration Value Lock o The selected memory setting is changed directly.

  • Page 57: Teds Settings

    13. TEDS settings By connecting a sensor that supports IEEE1451.4 Transducer 13-3. Read TEDS data Electronic Data Sheet (TEDS) to the unit, the rated output stored in the sensor can be loaded and this can be applied to Values can be read by executing the following commands calibration of the indicator with this function.

  • Page 58: Settings

    14. Settings 14-1. Lock item list 14-1-1. Calibration Group Setting name Calibration Value Lock Setting Value Lock Setting Value Memory Bridge Voltage Decimal Point Position Zero Point Input Calibration Zero Balancing Remote Sense Equivalent Input Rated Output Value Rated Capacity Value Calibration Actual Load Calibration Rated Capacity Value...

  • Page 59: Hold Function Settings

    14. Settings 14-1-4. Hold function settings Group Setting name Calibration Value Lock Setting Value Lock Setting Value Memory Hold Mode External Hold Mode Clear signal Zone Definition Auto Zero 14-1-5. System settings Group Setting name Calibration Value Lock Setting Value Lock Setting Value Memory Setting Value Memory Save All Setting Values Device Name...

  • Page 60: Warranty Explanation

    TEAC Corporation will bear no responsibility for infringements on third-party intellectual property rights or their occurrence...

  • Page 61: Specifications

    0.05 mV/V – 5.0 mV/V range Equivalent input/ TEDS Calibration Within 0.1% F.S. (when using 1m standard TEAC Ø8, 6-core shielded cable with 350Ω precision impedance, 10V BV and 5mV/V setting) Linearity Within 0.01% F.S. +1 digit (when input is 5 mV/V) Precision Zero drift Within 0.5 μV/°C (input conversion value)

  • Page 62: External Drawings

    17. External drawings...

  • Page 63: Block Diagram

    18. Block diagram Strain Gain adjustment Filter circuit amplifier circuit Bridge voltage conversion Standard voltage source F F .G TEDS TEDS memory Input/output signal control connector Built in to TD-SC1 (D/A) RS-485 Built in to TD-SC1 (485)
  • Page 64 Luminous House, 300 South Row, Milton Keynes, Phone: +44-1923-797205 (UK Importer) Buckinghamshire, MK9 2FR, UK TEAC SALES & TRADING Room 817, Xinian Center A, Tairan Nine Road West, Shennan Road, Phone: +86-755-88311561-2 (ShenZhen) CO., LTD. Futian District, Shenzhen, Guangdong Province 518040, China...

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