Chapter 1 Principles Manual VIPA CPU 21x
1-8 HB103E - Rev. 05/45
Overview CPU 21x
A CPU is an intelligent module. Your controlling programs are executed
here. You are able to select one of three CPUs, depending on the
performance required from your system. The higher the performance of the
CPU, the more user memory is available.
The CPUs 21x are intended for small to medium applications and have an
integrated 24V power supply. The CPUs contain a standard processor with
internal program memory for the storage of user-programs. In addition,
every CPU 21x is equipped with a socket for a memory module, which is
located on the front.
Every CPU has an MPI-interface and is instruction set compatible with
STEP
®
7 from Siemens. The CPU series 214...216 have similar
performance as the Siemens STEP
®
7 CPU series.
This series of CPUs provides access to the peripheral modules of the
System 200V. You may query sensors and control actuators by means of
standardized commands and programs. The unit can address a maximum
of 32 modules. You may parameterize the CPU via the integrated MPI-
interface.
The VIPA CPUs 21x are available in three different performance categories
with 8 versions each:
• CPU 21x PLC-CPU
• CPU 21x-2BT02 PLC-CPU with Ethernet interface with H1 / TCP-IP
• CPU 21x-2BT10 PLC-CPU with Ethernet interface with TCP-IP
• CPU 21xDP PLC-CPU with Profibus slave
• CPU 21xDPM PLC-CPU with Profibus master
• CPU 21xSER-1 PLC-CPU with 1 serial interface
• CPU 21xSER-2 PLC-CPU with 2 serial interfaces
• CPU 21xCAN PLC-CPU with CANopen master
In all three performance categories, the CPUs 21x are available as
CPU 214, 215 and 216. Within these three performance categories, the
CPUs are visually on the same lines. With rising number the scope of
performance of a CPU 21x is increasing.
Note!
The remainder of this description refers to all CPUs of the VIPA CPU 21x
family!
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