Manufacturers
BASLER ELECTRIC EDM-200
Description
Basler Electric EDM-200 Solid-State Device - Exciter Diode Monitor with Alarms Bargraph
Part Number
EDM-200
Price
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Manufacturer
BASLER ELECTRIC
Lead Time
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Category
PRODUCTS - E
Specifications
EXCITER DIODE CONFIGURATION
3 phase, half or full-wave.
EXCITER FREQUENCY
50 to 400 Hz.
INDICATOR
Bargraph display
OPERATING TEMPERATURE
-40° C (-40° F) to 70° C (+157° F)
OUTPUT
One N.O. and one N.C. relay contact rated at 10 amperes at 120/240Vac. 10 amperes at 24Vdc, or 0.5 amperes at 125Vdc.
SHOCK
Withstands up to 15Gs in each of three mutually perpendicular directions.
STORAGE TEMPERATURE
-65° C (-85° F) to +85° C (+185° F)
TIME DELAY
Open diode - Approximately 15 seconds. Shorted diode - Approximately 5 seconds.
VIBRATION
Frequency Force 5-26 Hz. 1.2Gs, 27-52 Hz 0.036 Inch (0.9 mm) double amplitude
WEIGHT
3.625 lb. (1.64 kg.) net, 4.875 lb. (2.21 kg.) shipping
Features
- Accurately detects open or shorted diodes.
- Compatible with brushless generators.
- CSA certified.
- Easy to read bargraph display for calibration and monitoring.
- Immune to false operation during transients.
- Precision solid-state circuitry.
- Rugged construction.
- UL recognized.
Datasheet
Extracted Text
EDM 200 Exciter Diode Monitor Class 200 Equipment EDM200 Exciter Diode Monitor for Brushless Generator The Basler Model EDM 200 is a solid-state device using a form C contact for alarm indication. The EDM 200 is designed for behind-the- panel-mounting. A bargraph display provides easy on-site calibration. APPLICATION The EDM 200 Exciter Diode Monitor is used with brushless excited generators to monitor the operation of the rotating diodes of the exciter for alarm functions in the event of diode failure - shorted or open. Use with Basler SR, KR. XR, and APR series voltage regulators. FEATURES • Compatible with brushless generators. • Accurately detects open or shorted diodes. • Immune to false operation during transients. • Easy to read bargraph display for calibration and monitoring. SPECIFICATIONS • Precision solid-state circuitry. Page 2 • Rugged construction. • CSA certified. • UL recognized. • GOST-R certified #POCC US.ME05.B03392 INTERCONNECTIONS Page 3 ADDITIONAL INFORMATION INSTRUCTION MANUAL Request publication 9177200990 OUTLINE and ORDERING Page 4 SRO-5 P. O. BOX 269 HIGHLAND, ILLINOIS, U.S.A. 62249 PHONE 618-654-2341 FAX 618-654-2351 12-08 EDM 200 Exciter Diode Monitor FUNCTIONAL DESCRIPTION Power and Sensing Input Power Input Field Current Voltage VA Frequency Sensing Input 100-120 Vac ±10% 10 50/60 Hz. 0.5 to 7 amperes 200-240 Vac ±10% 10 50/60 Hz. or 380-480 Vac ±10% 10 50/60 Hz. 20 to 100 mV 528-600 Vac ±10% 10 50/60 Hz. Shunt OUTPUT: One N.O. and one N.C. relay contact OPERATING TEMPERATURE: -40° C (-40° F) to rated at 10 amperes at 120/240Vac. 10 70° C (+157° F) amperes at 24Vdc, or 0.5 amperes at 125Vdc. STORAGE TEMPERATURE: -65° C (-85° F) to +85° C (+185° F) INDICATOR: Bargraph display VIBRATION: Frequency Force 5-26 Hz. 1.2Gs TIME DELAY: Open diode - Approximately 15 seconds. 27-52 Hz 0.036 Inch (0.9 mm) Shorted diode - Approximately double amplitude 5 seconds. 53-1,000 Hz 5 Gs EXCITER FREQUENCY: 50 to 400 Hz. SHOCK: Withstands up to 15Gs in each of three mutually perpendicular directions. EXCITER DIODE CONFIGURATION: 3 phase, half or full-wave. WEIGHT: 3.625 lb. (1.64 kg.) net 4.875 lb. (2.21 kg.) shipping PRINCIPLES OF OPERATION: Figure 1C shows the exciter field current waveform Figure 1A shows the normal field current waveform generated when one diode shorts. A shorted diode generated by the rotary exciter diode rectifiers Induced causes very high current flow in the associated exciter Into the exciter field current. armature winding causing excessive heating and probable failure of the exciter, and possibly the voltage Figure 1B shows the exciter field current waveform regulator. generated when one diode rectifier opens. An open diode will cause the voltage rectifier to substantially The Basler Model EDM 200 continuously monitors the increase the excitation to maintain the operating level. induced ripple content In the Input field circuit. When a This constant, high level excitation could cause failure diode failure is detected, the form C output contacts of the voltage regulator. change state to actuate an alarm condition. Figure 1 - Typical Rectifier Diode Waveform 2 EDM 200 Exciter Diode Monitor INTERCONNECTIONS Figure 2 - Typical Interconnection, 0-7 Amperes Exciter Current Figure 3 - Typical Interconnection, with 100 mV Shunt 3 EDM 200 Exciter Diode Monitor OUTLINE DRAWING Figure 4 - Outline Drawing SAMPLE SPECIFICATION The excitation system shall include a device to give and 5 seconds for a shorted diode. The device shall alarm indication for possible shutdown of the include a means of calibration and adjustment using a generating system in the event of an exciter rotating built-in indicator. The device shall be a Basler EDM 200 diode failure, either shorted or open. The device shall Exciter Diode Monitor. include a time delay of 15 seconds for an open diode ORDERING INFORMATION Specify by Model Number and Description: Basler Electric Model EDM 200 Exciter Diode Monitor. P .A.E. Les Pins, 67319 Wasselonne Cedex FRANCE Route 143, Box 269, Highland, Illinois U.S.A. 62249 1300 North Zhongshan Road, Wujiang Economic Development Zone Tel +33 3.88.87.1010 Fax +33 3.88.87.0808 Tel +1 618.654.2341 Fax +1 618.654.2351 Suzhou, Jiangsu Province, P . R. China 215200 e-mail: beifrance@basler.com e-mail: info@basler.com Tel +86(0)512 6346 1730 Fax +86(0)512 6346 1760 e-mail: beichina@basler.com www.basler.com Printed in U.S.A. Printed in U.S.A. Printed in U.S.A. Printed in U.S.A. Printed in U.S.A.
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