Addressing Formats in various PLCs

Addressing Format

➤SIEMENS

➥Input⇢I0.0.....I0.7,I1.0.....I1.7 

➥Output⇢Q0.0.....Q0.7, Q1.0.....Q1.7

➥Memory bit⇢ M0.0.....M0.7, M1.0....M1.7

➥Timer⇢T1,T2,T3,T4,T5........

➥Counter⇢C1,C2,C3,C4,C5.......

➤Allen Bradley

➥Input⇢I:0.0/0.....I:0.0/7

➥Output⇢O:0.0/0.....O:0.0/7

➥Memory bit⇢B3:0/0

➥Timer⇢T4:0, T4:1, T4:2, T4:3,.....

➥Counter⇢C5:0, C5:1, C5:2, C5:3,....

➤Mitshubishi

➥Input⇢X0, X1, X2, X3,X4,....

➥Output⇢Y0, Y1, Y2, Y3,.....

➥Memory bit⇢M0, M1, M2, M3, M4,....

➥Timer⇢T0, T1, T2, T3, T4,.....

➥Counter⇢C0, C1, C2, C3, C4,...

➤Delta

➥Input⇢X0, X1, X2, X3, X4,....

➥Output⇢Y0, Y1, Y2, Y3, Y4,...

➥Memory bit⇢M0, M1, M2, M3, M4,....

➥Timer⇢T0, T1, T2, T3, T4,...

➥Counter⇢C0, C1, C2, C3, C4,....

➤Fanuc

➥Input⇢I0, I1, I2, I3, I4,....
➥Output⇢O0, O1, O2, O3, O4,....

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