Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
33-38
A5E00739858-01
Contents Length Meaning
hsync_f 1 byte Status of connection quality (only valid if bit 0 is set in mwstat2)
Bit 0: Fiber optics connection quality of the synchronization
modules in the upper receptacle is limited.
Bit 1: Fiber optics connection quality of the synchronization
modules in the lower receptacle is limited.
Bit 2 to 7: 0