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Summary of Contents for Iskra MI 401
- Page 1 User's Manual Measuring Transducer MI 401...
- Page 2 User's Manual MI 401...
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Page 3: Table Of Contents
4.9 ENVIRONMENTAL CONDITIONS ______________________________________________ 11 4.10 EU DIRECTIVES CORRESPONDING FOR CE MARKING __________________________ 12 5. MOUNTING ____________________________________________________________________ 12 6. CONNECTION __________________________________________________________________ 12 6.1 CONNECTION TABLE ________________________________________________________ 13 6.2 DIMENSIONAL DRAWINGS ___________________________________________________ 14 6.3 MARKING __________________________________________________________________ 14 User's Manual MI 401... -
Page 4: Contains Of Delivery
This Safety Section should be read before commencing any work on the equipment In this manual installations and working instructions for the measuring transducer MI 401 is to be found. Installation as well as • Protection: Protection class II use of the measuring transducer will involve 300 V rms, installation category III working with dangerous currents and voltages. -
Page 5: Introduction
Serial communication RS232 or RS485 very high speed data rate: up to 115,200 bit/s, (MODBUS protocol) • Housing for DIN rail mounting • Max. three input or output modules • Tariff input (option) • Pulse output • Analogue output (option) User's Manual MI 401... -
Page 6: Layout And Mode Of Operation
Active / reactive / apparent energy 1) – Programming is not possible in versions without communication 2) – Software for setting the transducer is available on the web site of the company free of charge 3) – Qualified person only User's Manual MI 401... -
Page 7: Versions
Microprocessor sampling only auxiliary power supply can have only one input / output module. For voltages up to 300 V installation category III, for voltages from 300 V to 600 V installation category – chapter Regulations User's Manual MI 401... -
Page 8: Measuring Inputs
Min. no. of input / output modules • 1 pulse output Maximum voltage output: 40 V • • Max. no. of pulse outputs Max. no. of input / output modules • Default value: Max. decade value in regards to measuring parameters User's Manual MI 401... -
Page 9: Accuracy
) active power total (P Linear characteristic (positive or negative) reactive power total (Qt) (L or C) • Maximum demand values Phase current (I or I ), apparent power total (S ) active power total (P User's Manual MI 401... -
Page 10: Power Supply
2 kV rms for 1 minute 40…276 V AC • Transmission mode: Asynchronous • Frequency range: DC or 40…70 Hz • Message format: MODBUS RTU • Supply burden: < 5 VA • Data rate: 1,200 to 115,200 bits/s • RS232 connections User's Manual MI 401... -
Page 11: Housing
SIST EN 60688: 1992 Table 5: RS485 connections • Nominal range of use 0 to +45 °C 12) – NC – do not connect • Storage temperature -40 to +70 °C • Annual mean relative humidity: ≤ 93% r.h. User's Manual MI 401... -
Page 12: Eu Directives Corresponding For Ce Marking
Transducer’s current inputs can be connected to the low-voltage network via current transformer or to the high-voltage network via high-voltage current transformer. Picture 7: Three phase system (four wire balanced - 4b) User's Manual MI 401... -
Page 13: Connection Table
+ / AC Auxiliary power supply: - / AC Rx / A Communication: RS232 / RS485 / NC Tx / B Table 6: Connections 13) – See technical data on page 5 14) – NC do not connect User's Manual MI 401... -
Page 14: Dimensional Drawings
45...55 Hz; 0...20 mA; See note! +180 point point Output 2; ϕ ± 0,2° Output 3; f ± 0,2% Picture 11: Example of label for transducer with bent characteristic on modules 2 and 3 User's Manual MI 401... - Page 16 Printed in Slovenia • Subject to change without notice • Version 01 / avg. 2006...
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