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Multitel SDTA-02 User Manual

Step down transformer adapter
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SDTA-02
Step Down Transformer Adapter
User's Manual

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Summary of Contents for Multitel SDTA-02

  • Page 1 SDTA-02 Step Down Transformer Adapter User’s Manual...
  • Page 2 User Manual PROPRIETARY INFORMATION The information contained in this document is the property of MULTITEL INC. Except as specifically authorized in writing by MULTITEL INC., the holder of this document shall: Keep all information contained herein confidential and shall protect same in whole or in part from disclosure and dissemination to all third parties and Use the same for operating and maintenance purposes only.

  • Page 4: Table Of Contents

    General ......................... 16 FIGURES: Figure 1 - Physical Aspect ......................... 6 Figure 2 - Wall Mount Installation of the SDTA-02 ................ 11 Figure 3 - AC Current and Voltage Measurements ................. 13 Figure 4 - Connector Definitions ...................... 14 TABLES: Table 1 –...

  • Page 5: Control Sheet

    First English issue. Pierre Poulin 1.01 94/10/12 1.02 97/05/08 Minor modifications and new formatting. François Dionne 00/06/16 New certification information for CSA-c Gilles Belleau and CSA-US 1.12 01/09 Review Johanne Lavallée Gilles Belleau 10/07/11 Changer adresse E. Boivin www.multitel.com support@multitel.com...

  • Page 6: General Information

    1. GENERAL INFORMATION 1.1 DESCRIPTION The SDTA-02 is an interface accessory that converts AC voltage and current signals into an AC signal compatible with MULTITEL monitoring systems. The following list shows the eight possible configurations available for the SDTA-02 interface.

  • Page 7: Figure 1 - Physical Aspect

    SDTA-02 GENERAL INFORMATION Figure 1 - Physical Aspect www.multitel.com support@multitel.com...

  • Page 8: Summary Of Specifications

    SDTA-02 SUMMARY OF SPECIFICATIONS 2. SUMMARY OF SPECIFICATIONS 2.1 ELECTRICAL Current consumption 150 mA / phase maximum Current input range 0-5 A AC Input impedance 240 V : 2400 Ω Voltmeter 600 V : 6000 Ω 0.2 Ω Ammeter Output signal Voltmeter 17 VAC, 2 nominal inputs (max.

  • Page 9: Operation

    1400 Voltage 3.3 MULTITEL MONITORING SYSTEM CONFIGURATION SETUP The SDTA-02 has been set in the factory according to your needs. However, you should check that setting is correct in order to avoid erratic readings (see the following table). www.multitel.com support@multitel.com...

  • Page 10: Table 3 - Sdta-02 Setup

    SDTA-02 OPERATION Table 3 – SDTA-02 Setup PHASE JUMPER MXP2/MIRADOR RPM 1000/C Phase A Phase B Phase C www.multitel.com support@multitel.com...

  • Page 11: Installation

    Unpack and verify with the "Material list" that all the material is received and in good condition. 4.2 MOUNTING THE SYSTEM Install the SDTA-02 as close as possible to the AC voltage or current source to be measured, in order to minimize risk associated with the transmission of AC voltage.

  • Page 12: Wiring And Connecting

    SDTA-02 INSTALLATION Figure 2 - Wall Mount Installation of the SDTA-02 4.3 WIRING AND CONNECTING IMPORTANT: This Cabling and connecting section provides the general installation procedures and describes how to interconnect and put into service a SDTA-02 CAUTION: MAINTAIN PERMANENT SEPARATION BETWEEN THE PRIMARY LINE WIRING AND SECONDARY CIRCUITS.

  • Page 13: General Information

    NOTE: Each step down transformer output is preconnected to the SDTA-02 circuit board. Connect the frame ground to the ground lug of the SDTA-02 located on top of the circuit board using #14 AWG wire. Connect the corresponding pins of the J1 and J2 connectors on the MULTITEL monitoring system analog channel inputs using #24 AWG wire or bigger.

  • Page 14: Figure 3 - Ac Current And Voltage Measurements

    SDTA-02 INSTALLATION Figure 3 - AC Current and Voltage Measurements www.multitel.com support@multitel.com...

  • Page 15: Figure 4 - Connector Definitions

    SDTA-02 INSTALLATION Figure 4 - Connector Definitions J1 DEFINITION NAME TYPE PIN NAME IOUTC2 Ammeter phase C IOUTB1 Ammeter phase B output common output lead lead IOUTC1 Ammeter phase C N.C. Not connected N.A. output lead N.C. Not connected N.A.
  • Page 16 SDTA-02 INSTALLATION J4 DEFINITION NAME TYPE NAME TYPE VINA1 Phase A VAC input VINB2 Phase B VAC common lead input lead VINA2 Phase N.C. Non connected N.A. common input lead N.C. Not connected N.A. VINC1 Phase C VAC input lead...

  • Page 17: Maintenance

    MAINTENANCE 5. MAINTENANCE 5.1 CALIBRATION The SDTA-02 does not need periodic maintenance. However, if the output values provided by the SDTA-02 are erratic (after verification), the MULTITEL power monitoring system may be programmed to compensate the differential in measurement. Tools and/or equipment required for calibration:...

  • Page 18: Table 4 - Diagnosis Path For Troubleshooting

    2) Verify that each input is in phase. 3) The scaling is not adequate. If the SDTA-02 is defective in any way, please contact our customer service agent at 1- 418-847-2255,ext. 291 who will then issue you an RMA number so that you may return the defective material.

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