1. Hexin: The I component supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the V component supports Modbus' 16 function code.
2. Haiwei: X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
3. Siemens: The I component supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the V component supports Modbus' 16 function code.
4. Microcontroller: The DI component supports Modbus' 02 function code; the DO component supports Modbus' 15 function code; the AI component supports Modbus' 04 function code; the AO component supports Modbus' 16 function code.
5. Power production: P0 component supports Modbus' 02 function code; P40 component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
6. Schneider: After updating the firmware, the 15 function code supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the M component supports Modbus' 16 function code.
7. Delta: X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
8. Maintenance control: X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
9. Huichuan: The X component supports Modbus' 02 function code; the Y component supports Modbus' 15 function code; the D component supports Modbus' 16 function code.
10. Fuji (unprotocol programming implementation) X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
11. Taian: The X component supports Modbus' 02 function code; the Y component supports Modbus' 15 function code; the D component supports Modbus' 16 function code.
12. Omron: The CIO0 component supports Modbus' 02 function code; the CIO100 component supports Modbus' 15 function code; the D component supports Modbus' 16 function code.
13. Rockwell: The I component supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the N component supports Modbus' 16 function code.
14. Helishi: The I component supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the M component supports Modbus' 16 function code.
15. Yonghong: The X component supports Modbus' 02 function code; the Y component supports Modbus' 15 function code; the D component supports Modbus' 16 function code.
16. Panasonic: The X component supports Modbus' 02 function code; the Y component supports Modbus' 15 function code; the DT component supports Modbus' 16 function code.
17. Xinjie: X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
18. Invitet: X component supports Modbus' 02 function code; Y component supports Modbus' 15 function code; D component supports Modbus' 16 function code.
19. Keenx: R0 component supports Modbus' 02 function code; R500 component supports Modbus' 15 function code; DM component supports Modbus' 16 function code.
20. BBQ: The I component supports Modbus' 02 function code; the Q component supports Modbus' 15 function code; the V component supports Modbus' 16 function code.