Simple Question: Whats a L-bit in Mitsu?

M - Internal relays - auxilliary relays used by the cpu and are not latched (cleared at power failure or cpu reset)
L - Latch relays - auxilliary relays used by the cpu and are latched (not cleared at power failure)
F - Annunciators - Internal relays convenient for equipment fault / failure detection
V - Edge relays (q cpu) - similar to a one-shot
B - Link relays - CPU devices used to refresh LB relays in a melsecnet network
S - Step relays - relays for step instructions in sequential function chart


(Copied from mrplc.com)
 

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