Function Modules
S5-90U/S5-95U
A separate manual is available for the electronic cam controller. It can be ordered under the order
number 6ES5 998-5SL21.
The IP 264 can be used both for rotary and linear axes.
The IP 264 electronic cam controller makes electronic processing of cams economical even for
applications in the lower performance range.
32 cams which can be allocated as desired to 16 tracks have a switching accuracy of better than 1
degree at 2400 revolutions per minute. This corresponds to a response time of less than 60
µ
s. For
applications with low precision requirements it is even possible to program 64 cams.
It is also possible to integrate 32 cams each into a cam program for ”forwards” and a cam program
for ”backwards”. Switchover between these two programs is carried out by automatic direction
sensing of the IP 264 or it is controlled by the SIMATIC S5.
All cams can be defined either as path-path cams or as path-time cams.
Dead Time Compensation
Through the speed-dependent, dynamic shift, each individual cam compensates the dead time of the
actuator connected (e.g. pneumatic valve) at a scanning rate of 60
µ
s. This enables the utmost
accuracies to be achieved even at changing drive speeds.
Direct Process Connection
In order to be able to pass on the short response time of the IP 264 directly to the process, a digital
output (24 V, 0.3 A) is available on the module for each track. Generally, the units to be controlled
can be connected directly. Auxiliary contactors are required only for actuators with a higher current
consumption.
The sensors to be connected can be incremental encoders, absolute SSI encoders (SSI=
synchronous serial interface) or simple 24 V signal sensors (e.g. BEROs). The sensor data can be
looped through to further modules via the additional sensor output, without separating the sensor
cables mechanically or using additional fan-out units.
Installation
As other I/O modules, the IP 263 is mounted on the bus unit (see Chapter 3).
•
With the S5-90U, a maximum of 3 positioning modules can be plugged in only at slots 0
through 5.
•
With the S5-95U, a maximum of 4 positioning modules can be plugged in only at slots 0
through 7.
Addressing
The IP 264 is addressed like a 4-channel analog module.
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