Functions of the IM 151/CPU
5-16
ET 200S Interface Module IM 151/CPU
A5E00058783-01
5.7 Parameters
Parameterizable Properties of the CPU
The properties and responses of the CPU component of the IM 151/CPU can be
parameterized. You carry out this parameterization on different tabs in
STEP 7
.
Which Parameters Can Be Set for the IM 151/CPU?
The following table contains all the parameter blocks for the IM 151/CPU. The
parameters are explained in the
STEP 7
online help system.
Table 5-12 Parameter Blocks, Settable Parameters and Their Ranges for the IM 151/CPU
Parameter Blocks
Settable Parameters Range
Clock memory Clock memory Yes/no
Memory byte 0 to 255
Startup characteri-
stics
Automatic/manual startup after power on Warm restart
Monitoring time for:
”Finished” message by means of modules (100 ms)
Transfer of the parameters to modules (100 ms)
1 to 65000
1 to 65000
Startup at preset configuration not equal to actual con-
figuration
Yes/no
System diagno-
stics
Report cause of STOP Yes/no
Retentivity Number of memory bytes starting with MB 0 0 to 256
Number of S7 timers starting with T 0 0 to 128
Number of S7 timers starting with C 0 0 to 64
Retentive areas
Data block number
Data byte address
Number of data bytes
8
1 to 127
0 to 8191
0 to 4096
Software clock Correction factor –10000 to +10000
Time-of-day inter-
rupts
OB 10 activation Yes/no
OB 10 execution None
Once
Every minute
Hourly
Daily
Weekly
Monthly
Last day of the month
Annually