ABB AC 800M

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PM891 Processor Unit – General Section 1 Introduction

44 3BSE036351-510 A

Figure 11. Block diagram of PM891

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Table of Contents5
About this User Manual General23
User Manual Conventions23
Warning, Caution, Information, and Tip Icons24
Terminology24
Applicable Specifications27
European Union Directive Compliance27
Ul Listing27
TÜV Approval28
Released User Manuals and Release Notes28
Section 1 Introduction29
Product Overview29
AC 800M - General29
Pm8Xx/Tp830 Processor Unit - General33
PM891 Processor Unit - General40
Pm891/Pm86X/Tp830 Processor Unit - Redundancy47
AC 800M High Integrity50
Control Software51
Ethernet Address for Pm8Xx (Except PM891)52
Ethernet Address for PM89154
AC 800M Controller - Key Features56
Product Release History57
Section 2 Installation59
Site Planning59
Site Selection and Building Requirements59
Cables62
Power Supply63
Enclosures64
Mounting AC 800M Units Onto DIN-Rail65
Mounting on Metal Sheet66
Prefabricated Aluminum Profile67
Installing the Pm86X/Tp830 Processor Unit in Single Configuration78
Installing PM891 in Single Configuration87
Installing the Pm86X/Tp830 Processor Unit in Redundant Configuration90
Installing the PM891 Processor Unit in Redundant Configuration94
Installing the CEX-Bus Without BC81097
Installing the CEX-Bus Interconnection Unit BC810/TP85797
Installing SM810/TP855104
Installing SM811/TP868107
Installing the PROFIBUS DP Interface, CI851/TP851111
Installing the FOUNDATION Fieldbus H1 Interface, CI852/TP852113
Installing the RS-232C Interface, CI853/TP853115
Installing the PROFIBUS DP Interface, CI854/CI854A/TP854116
Installing the Masterbus 300 Interface, CI855/TP853119
Installing the S100 I/O Interface, CI856/TP856120
Installing the INSUM Interface, CI857/TP853121
Installing the Drivebus Interface, CI858/TP858122
Installing the FOUNDATION Fieldbus High Speed Ethernet Interface, CI860/TP860123123
Installing the TRIO Fieldbus Interface CI862124
Unit to Baseplate Alpha Code Lock124
Bus Termination124
Installing the Satt I/O Units and CI865 Module126
Installing the Modbus TCP Interface CI867/TP867127
Ethernet Twisted Pair Connection127
Installing the IEC 61850 Interface CI868128
Installing the AF 100 Interface CI869128
Installing the PROFINET IO Interface CI871129
Installing the MOD5 Interface CI872129
Installing the Ethernet/Ip Interface CI873130
Installing the Modulebus for Pm8Xx131
Installing the Modulebus for PM891132
Installing the Sd83X Power Supply133
Installing the Mains Breaker Unit134
Installing the SS823/SS832 Voting Unit136
Installing the SB821 External Battery Unit143
Installing the SB822 Rechargeable External Battery Unit144
Installation of I/O Units145
Installation in Cabinets145
Mounting Dimensions for Proper Ventilation149
Section 3 Configuration151
General Information151
Connecting Control Builder152
Connection to a Control Network153
Communication Possibilities154
Controller IP Addresses157
I/O Systems158
Drive System168
Power Supply System173
Powering Units in the Cabinet174
Powering Field Equipment Outside the Cabinet174
Powering from an External Source176
Section 4 Operation179
AC 800M Controller (Pm8Xx)179
Start-Up182
Start-Up in Redundant Configuration (CEX Bus Considerations)182
Start Modes183
Automatic Switch-Over to Backup CPU184
Verification of Satisfactory AC 800M Operation185
Verification of Single CPU185
Verification of Redundant CPU188
Section 5 Maintenance191
Preventive Maintenance Frequency Schedule191
Replacing the Battery192
Internal Battery192
SB821 External Battery Unit195
SB822 Rechargeable External Battery Unit197
Online Replacement of Unit198
Exchange of CPU in Redundant Configuration Without BC810199
Exchange of CPU in Redundant Configuration with BC810200

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