5.3 MEMOBUS/Modbus Communications240 YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical ManualMake sure terminal SC and terminal SP are connected by a wire jumper.Figure 5.7 Terminal Connection of the Communication Part when Performing Self-Diagnostics5. Energize the drive.6. When normal, PASS [MEMOBUS/Modbus Communications Test Mode Normal] is displayed on thekeypad.When there is an error, CE [MEMOBUS/Modbus Communications Error] is displayed on the keypad.7. De-energize the drive.8. Disconnect the wire jumper from terminal S6-SN. Also, set terminal S6 to its original function.9. Self-Diagnostics is completed and returns to normal functionality.◆ Communications Data TableThe following table lists the communications data. The data types are command data, monitor data, and broadcastmessage.The communications registers for the parameter numbers are listed on the “Parameter List.”■ Command DataThe command data can be read and written.Note:Set the reserved bit to 0. Also, do not write the data in the reserved register and the monitor register.
