GE PACSystems RX7i - Page 266

Chapter 5. Function Block Diagram (FBD)
GFK-2950C February 2018 251
Function
Description
Bus Read Modify Write. Uses a read/modify/write cycle to update a data
element in a module on the bus.
Other BUS_RMW functions:
BUS_RMW_DWORD
BUS_RMW_WORD
For details, refer to Data Move Functions in Chapter 4.
Bus Test and Set. Handles semaphores on the bus.
Other BUS_TS function:
BUS_TS_WORD
For details, refer to Data Move Functions in Chapter 4.
Bus Write. Writes data to a module on the bus.
For details, refer to Data Move Functions in Chapter 4.