Siemens SIMATIC ET 200M Operating Instructions Manual page 145

8.2.4 Time stamping outside of S7-400
8.2.4.1 Prerequisites
With the interface module IM 153-2Bxx1, time stamping is also possible outside of an S7-
400 automation system.
The above principles and rules apply - if complied with, precisions of up to 1 ms can be
achieved.
Synchronization interval for the time: 10 s
Demands on the ET 200M and DP master
ET 200M:
● IM 153-2 as of order number 6ES7153-2Bxx1-0XB0
● suitable DI modules
● IM 153-2 must be configured via GSD rev. 5 (e.g. enabling of interrupts)
● for IM 153-2 the DPV1 mode must be activated
● Synchronization interval in accordance with the setting on the clock master
DP master:
● must fulfill requirements in accordance with DPV1
● must be able to process interrupts
● must be able to process data records (read / write)
● must be able to send / forward time message frames or a clock master must be available
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
in the same PROFIBUS DP line
8.2 Time stamping the input signals with IM 153-2
Functions
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