7-8 Inputs, Outputs, Timers, and Other Control Logic Date Code 20001006
SEL-351 Instruction Manual
Figure 7.7: Local Control Switch Configured as an OFF/MOMENTARY Switch
ON/OFF/MOMENTARY Switch
The local bit LBn:
is in either the ON (LBn = logical 1) or OFF (LBn = logical 0) position
or
is in the OFF (LBn = logical 0) position and pulses to the MOMENTARY (LBn = logical 1)
position for one processing interval (1/4 cycle).
Figure 7.8: Local Control Switch Configured as an ON/OFF/MOMENTARY Switch
Table 7.2: Correspondence Between Local Control Switch Types
and Required Label Settings
Local Switch Type Label NLBn Label CLBn Label SLBn
Label PLBn
ON/OFF X X X
OFF/MOMENTARY X X X
ON/OFF/MOMENTARY X X X X
Courtesy of NationalSwitchgear.com
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