Network
Communications
6
6.2 Modbus Communications
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 225
4. Connect a jumper between control circuit terminals DI6 and D0V.
Figure 6.12 Self-Diagnostics Jumper Terminals
5. Energize the drive.
6. When normal, the keypad will show PASS [Mbus communications test mode normal].
When there is an error, the keypad will show CE [Mbus communications error].
7. De-energize the drive.
8. Disconnect the wire jumper between terminals DI6 and D0V. Set terminal DI6 to its initial function.
Self-Diagnostics is complete and the drive returns to its usual function.
◆ Communications Data Table
This chapter shows the communications data. The data types are command data, monitor data, and broadcast
message.
Refer to the Parameter List for parameter communications registers.
■ Command Data
You can read and write command data.
Note:
Set the reserved bit to 0. Do not write the data in the reserved register or the monitor register.
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