12. Communication Design Examples Note: Among the control word from by PLC to AC motor drive, bit 10 must be set as 1. If nit 10 is 0, the control word will be invalid and AC motor drive will go on running as before. z Definition of the status word of AC motor drive in PZD area (AC motor drive responds with messages):
DVP-PLC Application Examples 12-49 Bit Explanation Bit status 13 MOP (motor potentiometer) up 0 No 1 Yes 14 MOP (motor potentiometer) down 0 No 1 Yes 15 Local/remote control 0 No 1 Yes Bit Explanation Bit status 00 Drive ready 0 No (OFF1) 1 Yes (ON) 01 Drive ready to run 0 No 1 Yes 02 Drive running 0 No 1 Yes 03 Drive fault active 0 No 1 Yes 04 OFF2 active 0 Yes 1 No 05 OFF3 enabled 0 No 1 Yes 06 Switch on inhibit active 0 No 1 Yes 07 Drive warning active 0 No 1 Yes 08 Excessive deviation 0 Yes 1 No 09 PZDI (process data) control 0 No 1 Yes 10 Maximum frequency reached 0 No 1 Yes 11 Over current alarm 0 Yes 1 No 12 Motor holding brake enabled 0 Yes 1 No 13 Motor overload 0 Yes 1 No 14 Motor running forward 0 No 1 Yes 15 Inverter overload 0 Yes 1 No