12. Communication Design Examples 12.8 PLC LINK 16 Slaves and Read/Write 16 Data (Word) Master PLC Master address =K20 Slave address =K2 Slave address =K3 Slave address =K4 SA SX SS Control Purpose: z Performing 16 words data exchange by PLC LINK between master PLC and 3 slave PLCs. Parameter Settings for PLC: Ъ If PLC can not run normally due to improper parameters, users can set the PLC to factory defaults by clicking ”Communication (C)”> “Format PLC Memory” from the menu bar of WPL Soft and then set the parameters according to the above table. Devices: DVP-PLC Application Examples 12-28 EH 2 Rs485 network Slave1 Slave2 Slave3 Master/Slave Station No.
Communication format Master PLC K20 (D1121 = K20) ASCII, 9600, 7, E, 1 (D1120 = H86). Communication format of all connected PLCs must be the same. Slave 1 K2 (D1121 = K2) Slave 2 K3 (D1121 = K3) Slave 3 K4 (D1121 = K4) Device Function X0 Trigger on PLC LINK M1350 Enabling EASY PLC LINK M1351 Enabling auto mode on EASY PLC LINK M1352 Enabling manual mode on EASY PLC LINK M1353 Enable 32 slave unit linkage and up to 100 data length of data exchange M1354 Enable simultaneous data read/write in a polling of EASY PLC LINK