Maintenance
7-11
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
7.6
Replacing Interface Modules
Slot Numbering
If you have provided the modules in your system with slot numbering, you must
remove the number from the old module when replacing it and apply the number to
the new module.
Fitting and Removing Modules During Operation
Observe the following warning when fitting and removing the interface modules and
the corresponding connecting cables.
!
Caution
Data can be lost or corrupted.
If you remove or insert the interface modules and/or corresponding connecting
cables with power applied, data may be lost or corrupted.
Switch off the power supply modules of the CR and ERs on which you are working
before carrying out any actions.
Removing Modules / Exchanging Cables
1. If you wish to back up your data in the CPU, you can do this with a backup
battery or via an external battery supply at the CPU (see Reference Manual,
Chapter 4).
2. Set the CPU mode switch to STOP.
3. Set the standby switches of both power supply modules (in the CR and the ER)
to (0 V output voltages).
4. Remove the cover.
5. Disconnect the connecting cables.
6. Disconnect the terminator, if applicable.
7. Loosen the mounting screws of the module.
8. Swing the module out.
Содержание Simatic M7-400
Страница 10: ...Preface x S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 20: ...Contents xx S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 66: ...Installing the S7 400 2 40 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 74: ...Addressing the S7 400 3 8 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 118: ......
Страница 170: ...Starting Up 6 20 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 194: ...Maintenance 7 24 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 252: ...Assembling the M7 400 8 58 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 310: ...Glossary Glossary 18 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...
Страница 316: ...Index Index 6 S7 400 and M7 400 Programmable Controllers Hardware and Installation A5E00069481 04 ...