Access Configuration Manual

Access 5.x

Modbus connected refrigerant detector

Example of setting up refrigerant detector

Variable

Available options & Selection

Note

Configuration of Modbus connected refrigerant detector

Configuration > System settings > Communication Devices > Device 21

Type

| Disabled | ... | Refrigerant detector |

Select type of the connected device

Brand

| Select | Senseair RDS |

Select brand

Address

[0] > [111]

Enter the same address as configured in the detector

Function

| Select |

| Gas sensor 1 SA |

| Gas sensor 1 EA |

| Gas sensor 2 SA |

| Gas sensor 2 EA |

Assign function (Spare expansion unit number)

Name

[Device 21] > [Gas sensor SA 1]

Change default name to more informative

Communication type

| RTU | TCP |

-

Communication port

| Ext-link | BMS | Int-link 1 & 2 |

Select port for communication to the device

Status

Disconnected

Connected

Gas detection sensor Modbus address setup →

See the configuration example bellow

Establishing connection to and changing address of the refrigerant detector

Variable

Available options & Selection

Note

Gas detection sensor Modbus address setup

Configuration > System settings > Communication Devices > Device 21 > Gas detection sensor Modbus address setup →

Suppliers default Modbus address

[104]

Enter current address of the sensor (default address of the brand new sensor is 104)

Status

RED indicates that connection to the sensor on the above address could not be established. Check settings of the Communication port and type

GREEN indicates that the connection has been established.The following new address line and set button have been enabled

New address

[104] > [111]

Enter the new modbus address to be stored to the sensor's memory

Hit the button to proceed with the change