User manual

6 Connectable PLC
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6.14.2.1 S7-200
(1) CPU 221 type
Type Device Mark
Range
Start End
Bit
Input relay I I0 I157
Output relay Q Q0 Q157
Inner relay V V0 V20477
Auxiliary relay M M0 M317
Special relay SM SM0 SM1857
Timer contact T T0 T255
Counter contact C C0 C255
GP/LP inner bit memory UB UB0 UB6047F
Word
Input register IW IW0 IW14
Output register QW QW0 QW14
Inner register VW VW0 VW2046
Auxiliary register MW MW0 MW30
Special register SM SM0 SM184
Timer present value T T0 T255
Counter present value C C0 C255
GP/LP inner word memory UW UW0 UW6047
(2) CPU 222 type
Type Device Mark
Range
Start
End
Bit
Input relay I I0 I157
Output relay Q Q0 Q157
Inner relay V V0 V20477
Auxiliary relay M M0 M317
Special relay SM SM0 SM2997
Timer contact T T0 T255
Counter contact C C0 C255
GP/LP inner bit memory UB UB0 UB6047F
Word
Input register IW IW0 IW14
Output register QW QW0 QW14
Inner register VW VW0 VW2046
Auxiliary register MW MW0 MW30
Special register SM SM0 SM298
Timer present value T T0 T255
Counter present value C C0 C255
GP/LP inner word memory UW UW0 UW6047