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Building Automation Systems
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Gateway Configuration
RS-485 Network - Port Configuration
Both RS-485 communication (COM) ports are configured using this interface. While the COM ports are automatically
detected once the QWL4.1 is powered on, each active port will need to be configured to ensure proper functioning of the
network. Ports can be enabled or disabled from the drop-down menu as well.
NOTE:
Secure Sockets Layer (SSL) requires port 443 to be open.
Protocol:
Select the communications protocol being used on each port. TCSbus is selected by default.
Baud Rate:
This is the data transmission speed on the network. The Baud Rate must be the same selection for the port
configuration as it is on every device communicating to that port.
Time-out Period:
This is the number of milliseconds the port on the QWL4.1 will wait for a response from the network
devices before determining that a device is not communicating, or has “timed out.” Select the time-out period for each
port. TCS recommends TCSbus and Modbus set at 200 ms for wired networks.
Auto-detection Range: (Default 0, 255) This is the lowest address to start polling and the highest address to stop polling
during the auto-detected sequence.