Functions of the IM 151/CPU
5-17
ET 200S Interface Module IM 151/CPU
A5E00058783-01
Table 5-12 Parameter Blocks, Settable Parameters and Their Ranges for the IM 151/CPU
Parameter Blocks RangeSettable Parameters
Start date for the OB 10 Year-month-day
Start time for the OB 10 Hours:minutes
Cyclic interrupts Periodicity of the OB 35 (ms) 1 to 60000
Cycle behavior Cycle load from communication (%) 10 to 50
Scan cycle monitoring time (ms) 1 to 6000
OB85 call at I/O access error For each access
For incoming and
outgoing errors
No call
Protection Level of protection 1: Key switch
2: Write protection
3: Write/read
protection
Mode Process mode:
permissible cycle
increase (ms)
from 3 to 65535
Test mode
Module parame-
ters
Number of reference junctions
Activated
Module number
Channel number
8
Yes/no
From 5 to 66
0/1
Interference frequency suppression 50 Hz / 60 Hz
DP station address CPU DP address 1 to 125
When Does the CPU ”Accept” the Parameters?
The CPU accepts the parameters (configuration data) you have set:
After power on or a memory reset of the inserted memory module
After the configuration data has been transferred without errors to the CPU
online in STOP mode
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