Bender NGRM500 (HRG) Quick Start Manual
Neutral grounding resistor monitor
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- Manual (80 pages) ,
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- Manual (76 pages)
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Summary of Contents for Bender NGRM500 (HRG)
- Page 1 Quick-start guide EN NGRM500 (HRG), NGRM550 (LRG) Neutral Grounding Resistor Monitor (NGR) NGRM5xx_D00373_09_Q_XXEN / 02.2024...
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Page 2: Intended Use
NGRM500 (HRG), NGRM550 (LRG) NGRM500 (HRG), NGRM550 (LRG) Scope of delivery Neutral Grounding Resistor Monitor (NGR) • NGRM500/NGRM550 This quick-start guide does not replace the manual! • Safety instructions • Quick-start Manual Quick-start guide for the following devices Type Supply voltage/Frequency range U Art. -
Page 3: Star Configuration
NGRM500 (HRG), NGRM550 (LRG) Connection X1 Digital 1 (configurable: pulser, NGR method) Reset IN Test IN Modbus RTU (A) Modbus RTU (B) Common Analog output Open collector: Pulser OUT Open collector: Device health Output for supply of external relays (+24 V, max. 100 mA) Star configuration Circuit breaker Ground fault... - Page 4 10…2000 A 0…3800 Hz 42…3800 Hz 50/60 Hz 50/60 Hz Measuring range Transformation ratio (see CTUB103 manual) Bender measuring current 5 A 100:1 600:1 transformer 10 A 200:1 25 A 500:1 max. 30 m max. 40 m max. 25 m (4 mm²/AWG 12)
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Page 5: Menu Overview
NGRM500 (HRG), NGRM550 (LRG) Menu overview 1. Data meas. values , Method, R NGR rel sense, rms rel rms rel, fund fund rel fund fund rel, harm harm rel harm harm rel, 2. Harmonics 3. History History, Delete 4. Pulser Pulser, t Impuls 5. -
Page 6: Initial Commissioning
NGRM500 (HRG), NGRM550 (LRG) HRG system: Recommended minimum value () = Limited temperature range at any field calibration (tripping level 50 %) temperature ±20 K The temperatures must be within the limits of the operat- Temperature range –40…+60 °C, ing temperature range of –40…+70 °C Field calibration at 20 °C [for UL applications –40…+60 °C].) CD1000/CD1000-2... -
Page 7: Factory Settings
NGRM500 (HRG), NGRM550 (LRG) 2. System settings of the relays (menu 6.5) 5. Initial measurement The factory setting for the relays is fail-safe. In the case During device start, all measured values are recorded. of a test, the relays change state. Factory settings Fail-safe: The relay is energized during normal operation and is de-energized in the event of a... -
Page 8: Technical Data
Alle Rechte vorbehalten. 35305 Grünberg Nachdruck und Vervielfältigung nur mit Germany Genehmigung des Herausgebers. © Bender GmbH & Co. KG, Germany Subject to change! The specified Tel.: +49 6401 807-0 All rights reserved. standards take into account the edition info@bender.de...
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