Memory modules which may be fitted to any S7-221/222/224 CPU modules to increase the base memory capacity
EEPROM memory is used to back up programmes and store data
Can be used as a means of storing or transferring data
Two sizes of memory module are available - 64k and 256k
A real time clock can be added to S7-221 and 222 CPU's by using the optional clock module
Simatic Micro Computing makes the visualisation of the S7-200 data possible with standard Windows applications, e.g. Excel