Siemens SIMATIC IM 151/CPU User Manual

Migration of the IM 151/CPU
D-2
ET 200S Interface Module IM 151/CPU
A5E00058783-01
D.1 Differences to Selected S7-300 CPUs
The following table lists the most important programming differences between two
selected CPUs of the S7-300 SIMATIC family and the IM 151/CPU.
Table D-1 Differences to Selected S7-300 CPUs
Features CPU 314 CPU 315-2 DP IM 151/CPU
Real-time clock Hardware Hardware Software
Memory backup Yes, with battery Yes, with battery Not possible
Memory card Memory card Memory card MMC
Number of
connections to
programming device
and operator panel
4 (as of 10/99: 12) 4 (as of 10/99: 12) 5
Setting the
PROFIBUS address
Hardware
configuration
Hardware
configuration
Hardware
configuration must
match address setter
Transmission rate to
programming device
and operator panel
187.5 kbps (MPI) 187.5 kbps (MPI)
12 Mbps (DP)
12 Mbps (DP)
Interface Active Active Passive
Communication:
Programming
device/operator panel
Global data
communication
S7 basic
communication
S7 communication
Direct communication
Yes
Yes
Yes
Yes (server)
No
Yes
Yes
Yes
Yes (server)
Yes
Yes
No
Yes (server)
Yes (server)
Yes
Range of uses with
DP
Stand-alone As a DP master
As a DP slave
Stand-alone
As DP slave
Stand-alone
Addressing Slot-oriented Free Free
Interrupt Response
Time
1-1.5 ms 1-1.5 ms Less than 20 ms
Removal/insertion of
modules during
operation
No No Yes

Siemens SIMATIC IM 151/CPU Specifications

General

Brand	Siemens
Model	SIMATIC IM 151/CPU
Category	Control Unit
Language	English