SOYAL network server AR-401-IO-0808R-U2 supports multiple communication protocols such as Modbus TCP and multiple I/O points; CH1 RS485 Port is transparent transmission that support Modbus RTU/ SOYAL Protocol/ ODBC or customized protocol, in which can connected many equipment such as Temp. & Hygrometer, Smart Meter and Energy Saver in each classroom, timely monitoring and transmitting temperature and humidity, electricity degrees to graphic animation control software; According to these data, adjust the switch of air-conditioner /lighting in time to rationalize the use of electricity, save energy and avoid waste; In CH2 Port, it can also expand up to Modbus 256 DI / 256 RO, in which can be connected with IR beam sensor, emergency button, air quality monitor and exhauster fan on campus that can ensure real time monitor of campus safety.
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Requirements Chart
| Classify | Picture | Name | Version | Quantity |
| Software |  | Real-time Resident Core Software for hardware communcation and TCP-Link Server 701Server SQL | 701ServerSetup 10v2 211108.exe and after | 1 |
 | Access Control and Graphic Animation Software 701Client SQL | 701ClientSetup 10v2 211108.exe and after | 1 | |
| Hardware |  | Serial Devices Server / Modbus Gateway with I/O AR-401-IO-0808R-U2 | APX727i3___V0502 8i8o 211229 CH2 _SCAN_RCU.STM | 1 |
 | RS485 Input Output Module | 401RO8DI16_V0207 _211209.ISP and after | 1~15 | |
 | Energy Saver AR-888-W | 888W_7V3 191224.ISP and after | 1 |