PSsystec SMARTbox Mini, User Manual, Page: 6 / 12

6
PSsystec SMARTbox IO Agent User Guide
Connect a Modbus Device to the SMARTbox
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The Smartbox supports Modbus RTU – all Connections parameters are configurable in the
Cloud.
Type Modbus RTU (Master) Cloud
Baudrate 4800, 9600, 19200, 38400, 115200 (Change during Runtime possible) Modbus Tab
Parity Even, ODD, NONE (Change during Runtime possible) Modbus Tab
Stopbits 2,1 (Change during Runtime possible) Modbus Tab
Functioncodes Funct.1 (Read Single Coils)
Funct.2 (Read Input Status)
Funct.3 (Read Holding Registers)
Funct.4 (Read Input Registers)
Funct.5 (Write Coil)
Funct.6 (Write Holding Register)
Device database
(model)
Datapoints 1.. 10 Slaves with each 100 datapoints fix
Polling Rate on
Bus
500ms fix
We assume that you already defined your Modbus device(s) which you want to connect in
the device database. In this exemplary SetUp you need 4 Models in the device database,
which can and should be defined offline in the Cloud (see also chapter Help Device
database)
Device1: Chiller on Address1
Device2: Energy Meter on Address2
Device3: Frontcooler for Serverline1 on Address5
Device4: Frontcooler for Serverline2 on Address6