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Guildline 6623A-150 Operation Manual

High current range extender
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Operation Manual
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6623A-150
High Current Range Extender
www.guildline.com
NOTICE
The contents and information contained in this manual are proprietary to
Guildline Instruments Limited. They are to be used only as a guide to the
operation and maintenance of the equipment with which this manual was
issued and may not be duplicated or transmitted by any means, either in whole
or in part, without the written permission of Guildline Instruments Limited.
OM6623A-150-M1-00
01 September 2021

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Summary of Contents for Guildline 6623A-150

  • Page 1 NOTICE The contents and information contained in this manual are proprietary to Guildline Instruments Limited. They are to be used only as a guide to the operation and maintenance of the equipment with which this manual was issued and may not be duplicated or transmitted by any means, either in whole or in part, without the written permission of Guildline Instruments Limited.

  • Page 2: Table Of Contents

    QUICK MEASUREMENT GUIDE ................3-1 3.1. MEASUREMENT OPERATION GUIDE ....................3-1 3.1.1. Low Ohms Mode Resistance Measurement for all 6622A Models with the 6623A-150 ......3-2 3.1.2. Recommended Test Setup Limits for the 6623A-150 ................... 3-4 3.1.3. Checks and Precautions ..........................3-4 3.1.4.
  • Page 3 PROCEDURE ..............................5-2 5.3.1. PRELIMINARY MEASUREMENT OF THE 9230A-30A-0.1 SHUNT ........... 5-2 5.3.2. VERIFICATION OF THE x20-3A RATIO OF THE 6623A-150 RANGE EXTENDER ......5-2 5.3.3. VERIFICATION OF THE x100-15A RATIO OF THE 6623A-150 RANGE EXTENDER ..... 5-4 5.3.4. VERIFICATION OF THE x1000-150A RATIO OF THE 6623A-150 RANGE EXTENDER ....5-6 TROUBLESHOOTING, MAINTENANCE AND CHECKS ........
  • Page 4 FIGURE 2-3 : 6623A-150 REAR VIEW ........................2-10 FIGURE 3-1 : RESISTANCE MEASUREMENT RESPONSE VERSUS TEST SAMPLE ......... 3-1 FIGURE 5-1 : MODEL 6623A-150 SETUP WITH MODEL 6622A, X20-3A RANGE ......... 5-3 FIGURE 5-2 : MODEL 6623A-150 SETUP WITH MODEL 6622A, X100-15A RANGE ........5-5 FIGURE 5-3 : MODEL 6623A-150 SETUP WITH MODEL 6622A, X1000-150A RANGE .........

  • Page 5: List Of Tables

    LIST OF TABLES TABLE 2-1 : FUSE RATINGS ............................2-2 TABLE 3-1 : 6623A-150 RECOMMENDED LOW OHMS MODE TEST SETUP ..........3-6 TABLE 6-1 : MODEL 6622A AND 6623A-150 ERROR MESSAGES ..............6-2 TABLE 6-2 : MAINTENANCE SCHEDULE ......................6-3 TABLE 7-1 : GENERAL SPECIFICATIONS ......................

  • Page 6: Introduction

    Only connections to the power source and the 6622A Bridge are required as described in this manual. The 6623A-150 is fully programmable via the 6622A series of bridges with the system or via software if automation is desired. The programming is accomplished via the Bridge’s Low Ohms menu.

  • Page 7: Overview

    1.3. OVERVIEW The Model 6623A-150 High Current Range Extender is a precision, fixed ratio, direct current transformer based on the principle of the direct current comparator. Figure 1-1 illustrates the instrument circuits in block diagram form with the connections to the 6622A Bridge. A precision...

  • Page 8: Figure 1-1 : Model 6623A-150 Block Diagram

    Current Source Flux Detector Servo Amplifier Current 1000T Comparator Toroid Programmable Servo Amplifier Flux Detector Current Drive Magnetic Demodulator Slave PSU Modulator Current Comparator Toroid Bridge 6622A DCC Bridge Nanovoltmeter Figure 1-1 : Model 6623A-150 Block Diagram OM6623A-150-M1-00 01 September 2021...

  • Page 9: Installation

    PRELIMINARIES 2.1.1. Unpacking Remove the 6623A-150 High Current Range Extender and the other items from the shipping container to a suitable location. Note that the Range Extender may be delivered as part of an automated resistance measurement system. If this is the case then the Range Extender will have already been set up with the proper fuses installed and connected to the DCC Bridge in the system.

  • Page 10: Fuse Replacement

    Section 2 2.1.3. Fuse Replacement Only fuses with specified current rating type should be used for replacement if necessary. See Table 2-1. FUSES (TIME DELAY TYPE) 100 V 120 V 220 V 240 V 6.3 A, 250 V, (T) 6.3 A, 250 V, (T) 3.15 A, 250 V, (T) 3.15 A, 250 V, (T) Table 2-1 : Fuse Ratings...

  • Page 11: Setup And Power On

    Turn on the power switch to the 6622A Bridge. Note 1: Do not power on the 6623A-150 with a shunt connected to one of the output current ranges on the back panel. Connect the load AFTER the 6623A-10 is turned Note 2: Do not cycle the power on the 6623A-10 with a shunt or load connected to one of the ranges on the back panel.

  • Page 12: Incoming Inspection

    6622A for the 6623A-150 Range Extender before proceeding. Note 2: Do not power on the 6623A-150 with a shunt connected to one of the ranges on the back panel. Powering on the Range Extender with a load can cause a fault to occur.
  • Page 13 From the Setup menu, configure the measurement setup as follows: Select 'Low Ohms' mode function key. Press the right hand key until the selection '6623A-150' is shown and select 'Edit' function key. Enter 1 on highlighted 'Resistance RS:' line on display by using the numeric key pad.
  • Page 14 From the Setup menu, configure the measurement setup as follows: Select 'Low Ohms' mode function key. Press the right hand key until the selection '6623A-150' is shown and select 'Edit' function key. Enter 1 on highlighted 'Resistance RS:' line on display by using the numeric key pad.
  • Page 15 From the Setup menu, configure the measurement setup as follows: Select 'Low Ohms' mode function key. Press the right hand key until the selection '6623A-150' is shown and select 'Edit' function key. Enter 1 on highlighted 'Resistance RS:' line on display by using the numeric key pad.
  • Page 16 This is not the 6623A-150 full rated accuracy but serves a functional test for the purposes of determining the instrument has been received in proper working order. Note: It is recommended to keep the 6623A-150 powered off when the instrument is not in use for extended periods of time. OM6623A-150-M1-00...

  • Page 17: 6623A-150 Front Panel

    Section 2 2.3. 6623A-150 FRONT PANEL There are no controls on the front panel of the 6623A-150. Figure 2-2 : 6623A-150 Front View 2.3.1. Power The power-on indicator is lighted when the AC power is applied to the unit and the power switch on the rear panel is 'ON'.

  • Page 18: 6623A-150 Rear Panel Connectors And Controls

    Section 2 2.4. 6623A-150 REAR PANEL CONNECTORS AND CONTROLS Figure 2-3 : 6623A-150 Rear View 2.4.1. Line Input Connector The Line Input Connector is a combination of a 3-prong AC standard male connector, an ON/OFF switch and a fused line input with access for fuse replacement. The line input connector accommodates nominal voltages of 100 V, 120 V, 220 V and 240 V.

  • Page 19: Cautions

    C1 and C2 range terminals for a specific measurement current. Do not power on the 6623A-150 with a shunt connected to one of the ranges on the back panel.

  • Page 20: Quick Measurement Guide

    This section contains information regarding the measurement of resistors in the range of 1 µohm to 10 ohms. This guide is provided for manual control of the 6623A-150 from the front panel of the 6622A Bridge. An operation guide for full automatic control of the 6623A-150 Range Extender and the 6622A Bridge through the terminal of the system computer is provided in the BridgeWorks, version 2.1b or higher, Software User Manual.

  • Page 21: Low Ohms Mode Resistance Measurement For All 6622A Models With The 6623A-150

    (e.g. shunt). Only connect a load to one set of output current terminals. 2. Do not cycle the power on the 6623A-150 with a shunt or load connected to one of the ranges on the back panel. Connect the load AFTER the 6623A-150 is turned on.
  • Page 22 Select 'Low Ohms' mode function key. Options at this level are 'Edit' (test setup information), 'OK' (to accept) or '6623A-150'. Make sure the '6623A-150' mode is selected with the specific range to be used. This can be done by pressing the softkey until the displayed value is changed to '6623A-150'.

  • Page 23: Recommended Test Setup Limits For The 6623A-150

    C1 and C2 range terminals for a specific measurement current. Do not power on the 6623A-150 with a shunt connected to one of the ranges on the back panel.

  • Page 24: Example Calculations

    Section 3 3.1.4. Example Calculations For example, if a 0.01 ohm shunt is to be measured at 10 A: The extender range x100-15A is required to satisfy the test current requirement. The standard resistor must be at least: Rs = 100 x 0.01 / 2 = 0.5 ohm or higher, so choose a standard resistor of 1 ohm.

  • Page 25: Table 3-1 : 6623A-150 Recommended Low Ohms Mode Test Setup

    6623A-150 with the 6622A Bridge in Low Ohms mode of operation. It is recommended to keep the 6623A-150 powered off when the instrument is not in use for extended periods of time. A warm up time of 45 minutes is recommended to meet full specifications.

  • Page 26: Bridgeworks Data Acquisition Software

    Section 3 3.2. BRIDGEWORKS DATA ACQUISITION SOFTWARE The BridgeWorks, version 2.1b or higher, Data Acquisition Software is the control software for the 6622A Series Automatic DCC Resistance Bridges and the 6623A series of High Current Range Extenders. Using the 6622A with the BridgeWorks Data Acquisition Software will increase the functionality and the productivity of the bridge.

  • Page 27: Instrument Operation

    4.1. FRONT PANEL OPERATING PROCEDURE The 6622A Bridges and 6623A-150 High Current Range Extenders are manually operable from the front panel of the 6622A. The BridgeWorks Software User Manual contains the operating instructions for fully automatic software control of the 6622A Automatic DCC Resistance Bridge and the 6623A-150 High Current Range Extender via the computer system.

  • Page 28: Verification And Calibration

    6622A Bridge in normal ohms mode. The following procedure is to be used to verify the calibration of the 6623A-150 High Current Range Extender.
  • Page 29 Record the value of the measurement. Note: The 6623A-150 is not in operation with the 6622A Bridge at this time. See the 6622A Operation Manual for proper operation of the 6622A Automatic DCC Comparator Bridge.

  • Page 30: Figure 5-1 : Model 6623A-150 Setup With Model 6622A, X20-3A Range

    Section 5 Figure 5-1 : Model 6623A-150 setup with Model 6622A, x20-3A Range OM6623A-150-M1-00 01 September 2021...
  • Page 31 150 samples is to be used to determine the measurement value and associated standard deviation of the sample set. Move the leads from the 6623A-150 Extender x20-3A range terminals to the x100- 15A range terminals as shown in Figure 5-2.

  • Page 32: Figure 5-2 : Model 6623A-150 Setup With Model 6622A, X100-15A Range

    Section 5 Figure 5-2 : Model 6623A-150 setup with Model 6622A, x100-15A Range OM6623A-150-M1-00 01 September 2021...
  • Page 33 150 samples is to be used to determine the measurement value and associated standard deviation of the sample set. Move the leads from the 6623A-150 Extender x100-15A range terminals to the x1000-150A range terminals as in Figure 5-3.

  • Page 34: Figure 5-3 : Model 6623A-150 Setup With Model 6622A, X1000-150A Range

    Section 5 Figure 5-3 : Model 6623A-150 setup with Model 6622A, x1000-150A Range OM6623A-150-M1-00 01 September 2021...
  • Page 35 Low Ohms mode using the 6623A-150 High Current Range Extender. Below is a listing of the warnings that may appear on its display in manual operation or on the computer monitor when the BridgeWorks Data Acquisition Software is used.

  • Page 36: Table 6-1 : Model 6622A And 6623A-150 Error Messages

    None, fatal 6622A power on error (try power switch) Table 6-1 : Model 6622A And 6623A-150 Error Messages Note: The 'Coefficient' utility described for error 6 is a dedicated program that can read in the stored ratio correction coefficients as well as load them into the 6622A Bridge. It can also store and load these values in a file as well as print them out.

  • Page 37: Table 6-2 : Maintenance Schedule

    The Service Manual, available on request from Guildline Instruments Limited, provides complete alignment, repair and test information required if the 6623A-150 fails to meet performance specifications in section 5.
  • Page 38 Rs terminals. 6.1.7. Safety Features The 6622A Bridge will automatically prevent the initiation of a measurement or stop a measurement in progress and shut down the current source of the 6623A-150 when an error is detected. OM6623A-150-M1-00...

  • Page 39: Table 7-1 : General Specifications

    D 27.1 , W 20.7 , H 5.2 Table 7-1 : General Specifications NOTE: 1. The 6623A-150 High Current Range Extender is always configured for 100 to 240 VAC 50/60 Hz operation at the point of shipment. No voltage selection is required in this range.

  • Page 40: Table 7-2 : General Specifications (Continued)

    6622A Series of DCC Bridges. Refer to the 6622A Operation Manual for the combined resistance measurement specification of the 6623A-150 with the 6622A Series of DCC Bridges in Low Ohms mode of operation. Resistance measurement accuracy varies with the various 6622A models.

  • Page 41: Cable Connection Diagrams

    Section 7 7.4. CABLE CONNECTION DIAGRAMS Connection of shunts with multiple connection points provides more consistent measurement values where multiple cable connections are used. The following diagrams illustrate a few connection methods where symmetry around the centre line of the shunt terminals is maintained. Cable lengths and size must be the same to achieve best results.

  • Page 42: Figure 7-3 : Two Cable Vertical Connection

    Section 7 Figure 7-3 : Two Cable Vertical Connection OM6623A-150-M1-00 01 September 2021...

This manual is also suitable for:

6623a-300

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