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(e) Lock status flag (LOCK)...Bit 2
A flag that indicates whether the unit is locked.
<Set/reset conditions>
Set:
When the communication end flag goes low level and the frame end flag goes high level after
receipt of a lock specification (3H, 6H, AH, BH) in the control field.
Reset: When the communication enable flag is cleared.
When the communication end flag is set after receipt of a lock release (3H, 6H, AH, BH) in the
control field.
Caution Lock specification/release is not possible in broadcasting communication. In the lock
status, individual communication from a unit other than the one that requests locking is not
acknowledged. However, even communication from a unit other than the one that requests
locking is acknowledged as long as the communication is a slave status request.
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CHAPTER 19
IEBus CONTROLLER (V850/SB2)
User's Manual U13850EJ6V0UD
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