CM 1542-1
Operating Instructions, 07/2019, C79000-G8976-C355-04
9
Table of contents
Preface ................................................................................................................................................... 3
1
Properties and functions........................................................................................................................ 11
1.1
Communication services ......................................................................................................... 11
1.2
Further functions ..................................................................................................................... 12
1.3
Configuration limits and performance data ............................................................................. 13
1.3.1
Transmission and reaction times ............................................................................................ 13
1.3.2
Connection resources ............................................................................................................. 13
1.3.3
Characteristic data Open User Communication incl. e-mail ................................................... 14
1.3.4
Characteristics of S7 communication ..................................................................................... 15
1.3.5
PROFINET IO characteristic data ........................................................................................... 16
1.3.6
Rack components ................................................................................................................... 16
1.4
Requirements for use.............................................................................................................. 17
1.4.1
Project engineering ................................................................................................................. 17
1.4.2
Programming .......................................................................................................................... 18
2
LEDs..................................................................................................................................................... 19
3
Installation, connecting up, commissioning, operation ........................................................................... 21
3.1
Important notes on using the device ....................................................................................... 21
3.1.1
Notices on use in hazardous areas ........................................................................................ 21
3.1.2
Notices on use in hazardous areas according to ATEX / IECEx ............................................ 22
3.1.3
Notices regarding use in hazardous areas according to UL HazLoc ..................................... 23
3.1.4
Notices on use in hazardous areas according to FM ............................................................. 23
3.2
Installing and commissioning the CM 1542-1 ......................................................................... 24
3.3
Terminal assignment ............................................................................................................... 25
3.4
Mode of the CPU - effect on the CM ....................................................................................... 25
4
Configuration, programming .................................................................................................................. 27
4.1
Security recommendations ..................................................................................................... 27
4.2
Network settings ..................................................................................................................... 30
4.2.1
Fast Ethernet .......................................................................................................................... 30
4.3
IP configuration ....................................................................................................................... 30
4.3.1
Points to note about IP configuration ...................................................................................... 30
4.3.2
Restart after detection of a duplicate IP address in the network ............................................ 31
4.3.3
Remove retentive storage of the IP address if there are duplicate addresses ....................... 31
4.3.4
IP routing ................................................................................................................................. 31
4.3.5
CM in multiple use IO systems (standard machines) ............................................................. 32
4.4
Media redundancy .................................................................................................................. 33
4.5
Time-of-day synchronization ................................................................................................... 33
4.6
Program blocks for OUC ......................................................................................................... 34
