| Valve Island | Modbus-RTU Valve Island |
| Protocol | Modbus-RTU |
| For 4V2 series valve size G1/4 | |
| 8阀位Modbus-RTU协议模块+歧管 | FV-A42-8-S12-MBR |
| 10 Modbus-RTU协议模块+流形 | FV-A42-10-S12-MBR |
| 12 Modbus-RTU协议模块+流形 | FV-A42-12-S12-MBR |
| 16 Modbus-RTU协议模块+流形 | FV-A42-16-S12-MBR |
| For 4V3 series valve size G3/8 | |
| 6 Modbus-RTU协议模块+流形 | FV-A43-6-S12-MBR |
| 8 Modbus-RTU协议模块+流形 | FV-A43-8-S12-MBR |
| 10Modbus-RTU协议模块+流形 | FV-A43-10-S12-MBR |
| 12 Modbus-RTU协议模块+流形 | FV-A43-12-S12-MBR |
