Command word can be write to the Bus Interface using PDO: GTW_CONTROL_WORD (0x1600) via EtherCAT or using MODBUS RTU bus (in this case the Bus Converter mode must be set to 0 ⇒ EtherCAT to CAN).
Using MODBUS RTU bus the register to write the Command word is 0xFF (255d). The Bus Converter Node ID is by default 0x80 (128d)
| Register value | State | Description |
| 0x00 | Running | Cyclic running |
| 0x01 | Commit | Update the data on the slave with confirmation |
| 0x02 | Reset | Reset the Bus Interface |
| 0x06 | Store to Flash | Store current configuration on internal Flash |
| 0x09 | Reboot | Reboot the Bus Interface |
| 0x05 | Load from Flash | Load the configuration from internal Flash |
Status word can be read to the Bus Interface using PDI: STATUS (0x1A00)
Status word can be read (when the Bus Converter mode is set to 0 ⇒ EtherCAT to CAN) from register 0xFE (254d) using MODBUS RTU.
| Register value | State | Description |
| 0x00 | Running | Cyclic running |
| 0x03 | Alarm Can | Can timeout communication |
| 0x04 | Alarm Modbus | Modbus timeout communication |
| 0x08 | Flash Fault | Flash fault when try to write data |