Configuration and operation
4.7 Time-of-day synchronization
IE/PB LINK PN IO
Operating Instructions, 11/2017, C79000-G8976-C393-02
65
• IM_SWRevision_Functional_
Enhancement
(1 byte) 00 - FF
H
• IM_SWRevision_Bug_Fix
(1 byte) 00 - FF
H
• IM_SWRevision_Internal_
Change
(1 byte) 00 - FF
H
IM_REVISION_COUNTER Read (2 bytes) 0000
H
Selected changes on the module (not
H
IM_PROFILE_SPECIFIC_TYPE Read (2 bytes) 0001
H
CPU
H
Interface module / bus adapter
H
Active network infrastructure component
0101
H
Version of the identification data
(0101
H
= Version 1.1)
• IM_Version_Major
(1 byte)
• IM_Version_Minor
(1 byte)
IM_SUPPORTED Read (2 bytes) 000E
H
Existing identification data (I&M1 to
Maintenance data 1: (data record index AFF1 hex)
IM_TAG_FUNCTION Read / write (32
- Plant-wide unique identification of the
IM_TAG_LOCATION Read / write (22
- Installation location of the module
Maintenance data 2: (data record index AFF2 hex)
IM_DATE Read / write (16
YYYY-MM-DD HH:MM Installation date of the module
Maintenance data 3: (data record index AFF3 hex)
IM_DESCRIPTOR Read / write (54
- Additional information
Reading I&M data records with data record 255 (distributed via PROFIBUS DP)
The modules support standardized access to identification data via DS 255 (index 65000 to
65003). You will find more information on the data structure of DS 255 in the specifications of
Profile Guidelines Part 1: Identification & Maintenance Functions - Order No. 3.502, version
1.2 from October 2009.
Time-of-day synchronization
Synchronization method
The LINK supports time-of-day synchronization methods listed below.