Simulator SIM 274, for the simulation of sensor signals and the indication of the output signal states; choice of 8 terminals for CPU 221/222, EM 221/223, 14 terminals for CPU 224 or 24 terminals for CPU 226
Data logger cartridge, for the storage of project documentation, recipe handling or data-logging, not for CPU 221/222
Real-time clock with battery, combined battery and clock module, plus into module slot of the S7-221/222 CPU, inaccuracy: 2 minutes/month at 25 °C, 7 minutes/month at 0...55 °C
Intelligent RS 232/PPI multi-master cable, for connection of devices with RS 232 interface to SIMATIC S7-200 or PPI network; master in multi-master PPI network
Intelligent USB/PPI multi-master cable, for connection of devices with USB interface to SIMATIC S7-200 or PPI network; master in multi-master PPI network
MPI cable, for connection of the SIMATIC S7-200 to MPI; 5 m
Backplane bus extension cable, for connection of the two rows of units in two-row layouts, for CPU 222/224/226/226 XM; 0.8 m
Battery module (optional), for extending the data buffering time
Combined battery and clock module, for extending the data buffering time; with integral real-time clock; only for CPU 221/222
PROFIBUS bus connector IP 20, for connection to the RS 485 communication interface; with choice of 90° or 35° cable inlet and with or without PG connection
System manual, Automation system SIMATIC S7-200, German or English