Modbus RTU (Serial Port)
The modbus is an accessory module installed on TransferPacT Active Automatic controller with following functions:
-
Modbus RTU communication supporting MODBUS protocol.
-
Indicate the com status of the accessory by using a yellow LED on top of the accessory.
-
Green LED on the front face of the accessory indicates the power status and proper connection of the accessory.
-
Communication with the main MCU on ATSE.
-
Support communication transfer.
-
Two Modbus are allowed to be installed on one product.
Application Modbus
Modbus can be used to connect with other system. It require external 24 V or at least one main source to keep the communication with protocol Modbus RTU.
For a cable length up to 300 m (1.000 ft), it is mandatory to use a shielded twisted cable. The shield of cable is connected to the shield terminal.
Terminals Modbus
-
Modbus:
-
D1, D0, 0V, Shield
-
Signal Type
Serial port.
Performance
|
Electrical Characteristics |
Ratings |
|---|---|
|
Ui |
30 V DC |
|
Baud Rate (KBS) |
4.8 / 9.6 / 19.2 |
|
Over voltage category |
III |
|
Pollution degree |
3 |
|
Altitude |
2000 m |
Cable Capacity for Terminals
The cable capacity for the terminals are 0.05 – 2.6 mm2 (AWG 30 ~ 13).