R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 10 Stepless - Manual (Page 31)

LM10 STEPLESS I&M MANUAL/EN/11.30.2010
31/99
This document and the information contained herein, is the exclusive property of R&M Materials Handling, Inc., and represents a non-public, confidential and proprietary trade secret that
may not be reproduced, disclosed to third parties, altered or otherwise employed in any manner whatsoever without the express written consent of R&M Materials Handling, Inc.
Copyright © (2010) R&M Materials Handling, Inc. All rights reserved.
7.5 Electricity (Inverter)
7.5.1 Technical data – D2S INVERTER
Table 3. Technical Data for D2S Inverter
Power class 002
Power (kVA) at 400V 3.5
Output current In (A) 5.0
Max. current 1min (A) 7.6
Overload ability 1.5 x In, 1min/10min
Max. output voltage Equals to supply voltage
Supply
Supply voltage 380-415Vac (M) or 440-480Vac (C)
Allowable voltage fluctuation +/- 10%
Nominal supply frequency 50/60Hz +/- 5%
Signal input levels
Digital controls S1, S2, DID3, DID4, DID5: 42 … 240Vac; 15mA
Control features
Control method Open loop vector control
Frequency control range 0 ... 250Hz
Frequency command Electronic potentiometer, 2-step controller or 0 … 10V analog signal
Limit switch functions Stop limit inputs for both directions
Speed control range s
N
... 100% (s
N
= motor nominal slip)
Speed accuracy 1% of nominal speed at speed range 10 ... 100%
1/3 of motor nominal slip at speed below 10%
Braking torque 150%
Protections
Motor overload protection Thermistor or Klixon thermostat based temperature measurement
Overload protection Fault is detected if the current momentarily exceeds 280% of rated current
Undervoltage / blown fuse Fault is detected if DC voltage drops below 333V
Overvoltage protection Fault is detected if DC voltage exceeds 911V
Momentary power loss Immediate fault stop
Inverter overtemperature Temperature sensor on the heat sink
Ground fault Provided by electronic circuitry
Ambient conditions
Ambient temperature -10°C ... +50°C (14°F ... 122°F) for ED°40%
Storage temperature -40°C ... +70°C (-31°F ... 158°F) dry
Humidity <95%RH (no condensation)
Altitude Maximum 1000m at In. Above 1000m: In reduces 1% per each 100m.
Above 3000m: consult factory.
Vibration Operation: maximum displacement amplitude 3mm at 2-9Hz.
Maximum acceleration amplitude 0.5g (5m/s²) at 9-200Hz
Conforms to LV and EMC directives.