Distech Controls ECLYPSE Installation Manual page 18

Connecting to the Controller's Configuration Web Interface
At the first connection to an ECLYPSE Controller you will be forced to change the password to a strong password for the admin account to protect ac-
cess to the controller.
In Network Settings, configure the controller's network parameters so that they are compatible with your network. See the ECLYPSE User Guide for
more information about network settings and how to secure the controller. It is important to create new user accounts with strong passwords to protect
the controller from unauthorized access. Remove the factory default admin account as this is a commonly known security breech (only the password for
this user account needs to be compromized).
Subnet Wiring
Supported Allure Series communicating sensors are connected to the SUBNET port modular connector of the controller with a standard Category 5e
Ethernet patch cable fitted with RJ-45 connectors.
The ECLYPSE User Guide provides extensive information and requirements for the connection of an Allure series communicating sensor. It contains in-
formation about network topology and length, cable type, setting the Subnet ID, etc. It can be downloaded from our website. See also the Hardware In-
stallation Guide supplied with the Allure series communicating sensor.
BACnet MS/TP Communications Wiring
BACnet MS/TP and Modbus RTU communications are made by connecting directly to separate RS-485 ports. The Connected Equipment Controller inte-
grates up to three RS-485 ports when equipped with one ECY-RS485 extension module allowing the controller to support more than one trunk or com-
munication protocol at a time.
The controller's license may have separate limits that reduce the availability of certain options.
The ECLYPSE User Guide provides extensive information and requirements to implement a BACnet MS/TP network. It contains information about net-
work topology, network and sub network wire length restrictions, cable type, device addressing, etc. It can be downloaded from our website. For optimal
performance, use Distech Controls 24 AWG (0.65 mm) stranded, twisted pair shielded cable or refer to the ECLYPSE User Guide for cable specification.
The BACnet MS/TP communication wire is polarity sensitive and the only acceptable topology is to daisy-chain the cable from one controller to the next.
The ECLYPSE User Guide can be downloaded from our website.
As shown in the figure below:
£ The first and last daisy-chained BACnet MS/TP devices must have their EOL resistors enabled / installed.
All other devices must have their EOL resistor disabled (default factory setting). See the figure below.
£
The first and last daisy-chained BACnet MS/TP devices must have their BIAS enabled. All other devices
must have their BIAS disabled (default factory setting). See the figure below. Note that the BIAS settings for
BACnet MS/TP controllers that do not have a specific setting to enable / disable BIAS usually means that
the BIAS is enabled when the EOL resistors are enabled.
£
When the BACnet MS/TP data bus is connected to a following device, twist data bus shields together.
£ Isolate all shields with electrical tape so there is no exposed metal that can touch ground or other conduc-
tors.
£ The shield of the data bus must be connected to the electrical system ground at only one point – usually at
one end of the bus as shown below.
£
Connect no more than 50 devices to a BACnet MS/TP data bus.
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