3
S7-221 S7-222 CN S7-224 CN
S7-224XP CN
S7-226 CN
S7-224XP CNsi
S7-200 CN CPU Overview
S7-200 CN CPU HW feature
Access door:
Mode selector switch(RUN / STOP)
Analog adjustment potentiometer(s)
Expansion port(for most CPUs)
I/O LEDs
Communications port
I/O Terminal Connectors
(removable on CPU 224 CN, CPU 224XP CN,
CPU 224XP CNsi and CPU 226 CN)
Clip for installation on 35mm DIN Rail
Status LEDs:
System Fault / Diagnostic
(SF / DIAG)
RUN
STOP
Independent on CPUs with dual port
DC Installation
20-28Vdc
AC Installation
85-264Vac
@ 47-63Hz
■
High Speed Counters
■
Pulse Train Outputs
■
Serial Communication Port
■
Maximum DI / DO
■
Maximum AI / AO
■
Integrated on board CPU
2AI / 1AO
4416
2481687810
2 - 41 - 31
20 KHz100 KHz20 KHz
30 KHz 30 + 200 KHz 30 KHz
Clock and battery module
√ Real-time clock and calendar
(for 221 CN, 222 CN CPU)
√ Typically 200 days backup
Battery module
√ Backup of the internal data
(data block)
√ Typically 200 days backup
Memory module
√ Program transfer and backup
√ Data Logging Files, Recipes
Files and General File Storage
Optional cartridge:
Memory Cartridge
Real-time Clock
Battery
45 44
24Vdc
85 to 265Vdc