C.4 Digital RS-485 Modbus Interface P/N DIG_MOD485
The Digital Modbus communication protocol is an industrial common protocol supported by many
different devices like PLCs, Speed Motor Controls, Power Meters, Chillers and more. The
Datalog
X-PRO Digital RS-485 Modbus Interface (DIG-MOD485) can be programmed to read Modbus
signals and send them to the Internet for subsequent analysis.
C.4.1 D.C. Electrical Characteristics
PARAMETER
Ratings
Supply Voltage from Datalog X-PRO
3.3 VDC
Modbus Communication Protocol
RS-485 RTU
C.4.2 Specifications
PARAMETER
Operational Range
Temperature
41°F – 104°F (5°C to 40 °C)
Relative humidity
25-75 %
Digital Conversion Range
Programmable for Read Modbus Registers
NOTE:
For More Information About Modbus Interface Configuration, please contact manufacturer.
C.4.3 Connection Diagram:
Figure C4-1 Digital Modbus Sensor Interface
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