Table of Contents  ASDA-B2 
x   Revision May, 2018 
P1-xx Basic Parameters .................................................................................. 7-21 
P2-xx Extension Parameters ........................................................................... 7-51 
P3-xx Communication Parameters .................................................................. 7-80 
P4-xx Diagnosis Parameters ...........................................................................  7-85 
Table 7.1 Function Description of Digital Input (DI) ......................................... 7-96 
Table 7.2 Function Description of Digital Input Output (DO) ............................ 7-102 
Table 7.3 Monitoring Variables Descriptions ................................................... 7-105 
Chapter 8  Communications .................................................................................... 8-1 
8.1  RS-485 / RS-232 Communication Hardware Interface .................................... 8-1 
8.2  RS-485 / RS-232Communication Parameter Settings ..................................... 8-3 
8.3  MODBUS Communication Protocol ................................................................. 8-6 
8.4  Write-in and Read-out Communication Parameters ........................................  8-18 
Chapter 9  Troubleshooting ..................................................................................... 9-1 
9.1  Alarm of Servo Drive ....................................................................................... 9-1 
9.2  Causes and Corrective Actions ....................................................................... 9-4 
9.3  Corrective Actions after the Alarm Occurs ...................................................... 9-15 
Chapter 10  Specifications ....................................................................................... 10-1 
10.1  Specifications of Servo Drives (ASDA-B2 Series) ......................................... 10-1 
10.2  Specifications of Servo Motors (ECMA Series) ............................................. 10-4 
10.3  Torque Features (T-N Curves) ...................................................................... 10-12 
10.4 Overload Features ......................................................................................... 10-14 
10.5  Dimensions of Servo Drives .......................................................................... 10-16 
10.6  Dimensions of Servo Motors ......................................................................... 10-20