Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 303)

E.2 Communication Specifications
MEMOBUS/Modbus specifications appear in the following table:
Item Specifications
Interface RS-422, RS-485
Communications Cycle Asynchronous (Start-stop synchronization)
Communication
Parameters
Communication Speeds
Available
1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6; 76.8; 115.2 kbps
Data length 8-bit (fixed)
Parity Select even, odd, or none
Stop bit 1-bit (fixed)
Protocol MEMOBUS/Modbus (using RTU mode only)
Max Number of Slaves 31 drives (using RS-485 only)
E.2 Communication Specifications
YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual 303
E
MEMOBUS/Modbus Communications