Program OptimizationABB Control - AC 31 Page 6-151SBC 260400 R1001-b 06.99The program:- On the master central unit:%I20.00 VALUE_M00%O20.00VALUE_FOR_SLAVEbit reception in %I20.00bit emission in %O20.00- On the slave central unit at the address 20:VALUE_FOR_SLAVE%O00.00VALUE_M00%I00.00bit emission in %O00.00bit reception in %I00.005.3.2. Transmission by wordFigure 6-10 : Transmission by wordsThe master central unit will receive the analog information from the slave central unit in theIWxx.00 to IWxx.N inputs, (N+1) being the number of words to transmit from the slave centralunit to the master central unit.The slave central unit will send this information through the OW00.00 to OW00.N outputs.CU master CU slaveAddress xxCS 31 bus
