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Siemens LME71.000A2 User Manual

Siemens LME71.000A2
245 pages
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Software version 02.00
CC1P7105en
29.11.2011
Building Technologies Division
Infrastructure & Cities Sector
LME7…
Burner control
Basic Documentation
The LME7… and this Basic Documentation are intended for use by OEMs which
integrate the burner controls in their products.

Table of Contents

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Siemens LME71.000A2 Specifications

General IconGeneral
BrandSiemens
ModelLME71.000A2
CategoryController
LanguageEnglish

Summary

Safety notes

Warning notes

General safety warnings and precautions for handling the LME7 burner control unit.

Mounting notes

Guidelines for the safe and correct installation and mounting of the LME7 unit.

Installation notes

Instructions and precautions for the proper installation of the LME7 burner control unit.

Electrical connection of flame detectors

Guidelines for disturbance-free signal transmission and safe electrical connection of flame detectors.

Commissioning notes

Key checks and procedures required prior to commissioning the LME7 system.

Technical data

Basic unit LME7...

Technical specifications for the LME7 basic unit, including mains voltage, frequency, and weight.

Terminal rating Inputs

Details on input terminal ratings, including voltage detection and contact material recommendations.

Terminal rating Outputs

Specifications for output terminal ratings, including rated voltage, current, and power factor for various outputs.

Flame supervision

Information on flame supervision methods, including ionization probes.

Flame detector QRA2.../QRA4.U/QRA10...

Technical data and usage guidelines for QRA2, QRA4.U, and QRA10 flame detectors.

Function

Preconditions for burner startup

Conditions that must be met for a successful burner startup sequence.

Undervoltage

Behavior of the burner control in case of undervoltage conditions.

Control sequence in the event of fault

Explanation of the control sequence and responses in case of various faults.

Resetting the burner control

Procedure for resetting the burner control after a lockout.

Operation, indication, diagnostics

Diagnostics of cause of fault

Procedure for activating visual diagnostics to identify the cause of faults.

Basic unit

Digital input

Explanation of digital inputs, including safety loop and external controller inputs.

PME71.401...

Program sequence PME71.401...

Detailed program sequence for PME71.401 for fuel train connection diagrams.

Parameter list PME71.401... (AZL2...)

Comprehensive list of parameters for PME71.401 with value ranges and settings.

PME71.402...

Parameter list PME71.402... (AZL2...)

Comprehensive list of parameters for PME71.402 with value ranges and settings.

PME71.901...

Parameter list PME71.901... (AZL2...)

Comprehensive list of parameters for PME71.901 with value ranges and settings.

PME72.521...

Parameter list PME72.521... (AZL2...)

Comprehensive list of parameters for PME72.521 with value ranges and settings.

PME72.541...

Parameter list PME72.541... (AZL2...)

Comprehensive list of parameters for PME72.541 with value ranges and settings.

PME73.810...

Parameter list PME73.810... (AZL2...)

Comprehensive list of parameters for PME73.810 with value ranges and settings.

PME73.820...

Parameter list PME73.820... (AZL2...)

Comprehensive list of parameters for PME73.820 with value ranges and settings.

PME73.830...

Parameter list PME73.830... (AZL2...)

Comprehensive list of parameters for PME73.830 with value ranges and settings.

PME73.831…

Parameter list PME73.831... (AZL2...)

Comprehensive list of parameters for PME73.831 with value ranges and settings.

PME73.840...

Parameter list PME73.840... (AZL2...)

Comprehensive list of parameters for PME73.840 with value ranges and settings.

Operation via AZL2…

Operation

General operational procedures, including parameter saving and first startup checks.

Fault status messages, display of errors

How to interpret fault status messages, error codes, and info displays with lockout.

First startup with a new program module or in case of replacement of program module

Steps for first startup or after program module replacement, including data download.

Manual backup

Procedure for performing a manual backup of settings and parameters.

Manual restore

Procedure for performing a manual restore of settings and parameters.

Error code list with operation via internal LED

PWM settings

PWM control parameters

Detailed explanation of PWM control parameters and their functions.

PWM safety parameters

Configuration of PWM safety parameters for reliable operation.

Initial PWM parameter settings

Procedures for initial configuration of basic PWM parameters.

Final settings of PWM safety parameters

Procedure for setting PWM safety parameters under worst-case conditions.

Setting safety parameters 675.00/675.01 and checking the safety settings under worst-case conditions

Steps to set and verify safety parameters under worst-case conditions.

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