ABB CL Series Applications Manual page 190

1SVC 440 795 M0100
Table 26: Shift register
Pulse Value Storage position
1
1 1 1
2 0 0
3 0 0
4 1 1
5 0 0
Reset = 1 0
Assign the information "bad" to value 0. If the shift register
is cleared accidentally, no bad parts are used further.
• I1: Shift pulse (PULSE)
• I2: Information (good/bad) to be shifted (VALUE)
• I3: Clear content of the shift register (RESET)
• M1: 1st storage location
• M2: 2nd storage location
• M3: 3rd storage location
• M4: 4th storage location
• M7: Marker relay for cycle pulse
• M8: Cyclical pulse for shift pulse
Circuit examples
2 3 4
0 0 0
1 0 0
0 1 0
0 0 1
1 0 0
0 0 0
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