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DLM 600W Series
Power Supplies
M51A Option: Isolated Analog
Programming Manual
Power Supplies
Elgar Electronics Corporation
9250 Brown Deer Road
San Diego, CA 92121-2294
1-800-73ELGAR (1-800-733-5427)
Tel: (858) 450-0085
Fax: (858) 458-0267
Email: sales@elgar.com
www.elgar.com
©2002 by Elgar Electronics Corporation
This document contains information proprietary to Elgar Electronics Corporation. The information contained herein is
not to be duplicated or transfer
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SAFETY NOTICE Before applying power to the system, verify that the instrument is configured properly for the user’s particular application. WARNING! Hazardous voltages may be present when covers are removed. Qualified personnel must use extreme caution when servicing this equipment. Circuit boards, test points, and output voltages also may be floating with respect to chassis ground. Installation and servicing must be performed by qualified personnel who are aware of dealing pr
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SAFETY SYMBOLS ii
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ELGAR FIVE–YEAR WARRANTY Elgar Electronics Corporation (hereinafter referred to as Elgar) warrants its products to be free from defects in material and workmanship. This warranty is effective for one year from the date of shipment of the product to the original purchaser. Liability of Elgar under this warranty shall exist provided that: • the Buyer exposes the product to normal use and service and provides normal maintenance on the product; • Elgar is promptly notified of defects by the
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CONTENTS SECTION 1 M51A OPTION OVERVIEW 1.1 Introduction...................................................................................................... 1-1 1.2 General Description......................................................................................... 1-1 1.3 Specifications................................................................................................... 1-2 1.3.1 Electrical Specifications.........................................................
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Contents DLM 600W Series LIST OF TABLES Table 2–1. INTFC SETUP Switch............................................................................... 2-1 Table 2–2. ISOLATED ANALOG INTERFACE Connector Pinout .............................. 2-4 Table 2–3. Remote Programming Configuration Options ........................................... 2-7 Table 2–4. Remote Monitoring................................................................................. 2-11 Table 2–5. Remote Digital Sta
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SECTION 1 M51A OPTION OVERVIEW 1.1 Introduction This addendum is to be used in conjunction with the DLM 600W Series Power Supplies Operation Manual, Sorensen Document No. M362161-01. The Sorensen M51A Option for the DLM 600W Series power supplies provides a remote analog interface, which has safety isolation from the output terminals. This allows the remote analog interface to be connected to user accessible (SELV) control circuits, even though the output terminals were floated at a
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M51A Option Overview DLM 600W Series 1.3 Specifications 1.3.1 Electrical Specifications Remote Voltage Programming Accuracy, 0-5/10V Inputs: Output Voltage: 0.5% of Vmax Output Current: 0.75% of Imax OVP: 1.0% of 1.1 X Vmax Remote 4-20mA Programming Accuracy: Output Voltage: 0.75% of Vmax Output Current: 1.0% of Imax 1.3.2 Supplemental Characteristics Remote Resistance Programming Accuracy, 0-5k Ω Input: Output Voltage: 1.0% of Vmax Output Current: 1.5% of Imax OV
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SECTION 2 ISOLATED REMOTE ANALOG INTERFACE OPERATION 2.1 INTFC SETUP Switch The INTFC SETUP (Interface Setup) switch is accessible from the rear panel of the unit. It provides user selectability of the programming/monitoring ranges and signal types, as well as configuring the power supply for operation under remote control. Setting a switch to the UP position enables a function. The factory default settings are all switch positions OFF (down). See Figure 2–1 for a rear panel view
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Isolated Remote Analog Interface Operation DLM 600W Series 2.1.1 INTFC SETUP Switch Functions The following sections describe the functions of the various switch positions: V, 10V or 4-20mA Select: Position-1, when ON, selects 0-10VDC programming of the output voltage. Also, must be set to ON position when the ISOLATED ANALOG INTERFACE connector is wired for 4-20mA output voltage programming. When OFF, selects 0-5VDC programming of the output voltage. I, 10V or 4-20mA Select: P
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DLM 600W Series Isolated Remote Analog Interface Operation Figure 2–1. Rear Panel View, Low–Voltage Models Figure 2–2. Rear Panel View, High–Voltage Models M51A Option 2-3
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Isolated Remote Analog Interface Operation DLM 600W Series 2.3 Isolated Analog Interface Connector The ISOLATED ANALOG INTERFACE connector is a 25-position female Subminiature-D type. Pin Function 1 ANALOG-CONTROL input 2 Return for 0-5/10V monitor outputs and EXTERNAL-OFF 3 OVP programming input 4 Voltage monitor output, 4-20mA 5 VOLTAGE-MODE status output 6 Return for 4-20mA monitor outputs, Auxiliary 5VDC, and digital I/O 7 Current monitor output, 0-5/10V 8 1.25VDC output for
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DLM 600W Series Isolated Remote Analog Interface Operation 2.3.1 ISOLATED ANALOG INTERFACE Functions The following sections describe the functions of the various signals of the ISOLATED ANALOG INTERFACE. Pin numbers correspond to the connector pinout of Table 2–2. Digital Control Input Signals ANALOG-CONTROL: Pin-1, enables remote analog programming with an active-high logic level of 3-15VDC. An internal 100k Ω pull-down resistor is provided. When ANALOG- CONTROL is asserted, the
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Isolated Remote Analog Interface Operation DLM 600W Series Analog Programming Signals OVP PROGRAMMING INPUT: Pin-3, an input signal of 0-5 volts or 0-10 volts (user selectable with INTFC SETUP switch) programs the OVP threshold from 5-110% of full scale output voltage. Signal is referenced to Pin-12. Circuit is SELV, and has electrical isolation from the output of the unit. VOLTAGE PROGRAMMING INPUT: Pin-9, an input signal for two methods of programming the output voltage: 0-5/10V v
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DLM 600W Series Isolated Remote Analog Interface Operation CURRENT RESISTANCE PROGRAMMING OUTPUT: Pin-22 provides a 1mA current source which would be connected to Pin-10, CURRENT PROGRAMMING INPUT, with a 0-5k Ω external resistor connected between Pin-22 to Pin-12, to program the output current from 0-100% of full scale output. The INTFC SETUP switch Position-2, I, must be set to OFF (down) to select 0-5VDC input range. Circuit is SELV, and has electrical isolation from the output of the
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Isolated Remote Analog Interface Operation DLM 600W Series 2.4.1 Voltage Source Programming of Output Voltage Setting up for voltage source programming of the output voltage is as follows: 1. Set Position-1, V, of the INTFC SETUP switch to OFF (down) for 0-5VDC programming range. 2. Set Position-1, V, of the INTFC SETUP switch ON (up) for 0-10VDC programming range. 3. Connect the external programming voltage source to the ISOLATED ANALOG INTERFACE connector, with positive to Pin
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DLM 600W Series Isolated Remote Analog Interface Operation 4. Program the other parameters to the desired limit values: VOLTAGE PROGRAMMING INPUT, Pin-9, and the CURRENT PROGRAMMING INPUT, Pin-10, with respect to Pin-12. 5. Connect Pin-1, ANALOG-CONTROL, of the ISOLATED ANALOG INTERFACE connector to Pin-15. 2.4.4 Resistance Programming of Output Voltage Setting up for resistance programming of the output voltage is as follows: 1. Set Position-1, V, of the INTFC SETUP switch to O
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Isolated Remote Analog Interface Operation DLM 600W Series 2.4.6 Resistance Programming of OVP Setting up for resistance programming OVP is as follows: 1. Set Position-3, OVP, of the INTFC SETUP switch to OFF (down) for 0-5VDC programming range. 2. Connect the external programming resistance, 0-5k Ω, to the ISOLATED ANALOG INTERFACE connector, from Pin-16 to Pin-12. 3. Connect a jumper from Pin-16 to Pin-3. 4. Program the other parameters to the desired limit values: VOLTAGE
