Cylon CBX-8R8-H Technical Datasheet And Installation Manual - Page 7
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INSTALLATION
1. Apply power to the CBX-8R8(-H) ......................................................... 7
1.1. Set the CBX MS/TP Address........................................................................... 7
1.2. Connect 24 V AC Power to the CBX-8R8(-H) ................................................ 7
2. Connect the CBX to the MS/TP Network .......................................................... 7
2.1. Attach RS-485 communication wires to the MS/TP Subnet port ................ 7
2.2. Terminate the MS/TP network...................................................................... 8
3. Configure the CBX-8R8(-H) for BACnet® communications ................. 8
3.1. CBX-8R8(-H) Default Settings ........................................................................ 8
HD
3.2. Connect CXpro
to the CBX-8R8(-H) ........................................................... 8
3.3. (If required) Set Device Instance & MS/TP Address ........................................ 8
3.4. Confirm or set MS/TP parameters ................................................................ 8
4. Connect the CBX-8R8(-H) to FLX units ................................................. 8
4.1. Set the FLX address........................................................................................ 8
4.2. Join or terminate the FLX bus ....................................................................... 9
4.3. (If required) Set up FLX bus extension .......................................................... 9
5. Add the Controller to the Site ............................................................ 10
5.1. Set Controller Date and Time ...................................................................... 10
5.2. Set I/O to a known Safe Mode .................................................................... 10
5.3. Set up the CBX and connected FLX in a Site ............................................... 10
5.4. Set up the Controller Strategy..................................................................... 11
1. APPLY POWER TO THE CBX-8R8(-H)
1.1. Set the CBX MS/TP Address
To communicate to other MS/TP devices on a BACnet® MS/TP network, the MS/TP
address must be set to a unique address within the MS/TP subnet. Where possible,
there should be no gaps between addresses. The BACnet® Instance Number must also
be unique for the BACnet®site.
The 8-way DIP switch can be used to set the MS/TP address when the device is first
powered on.
The address is set in binary, from 1 (0000001) to 127 (1111111).
•
A switch moved to the center (towards the 'ON' mark) represents 1, moved
•
to the edge represents 0.
•
The right-most switch (labeled "1") is the least-significant bit; the switch on
the left (labeled "8") is the most-significant bit.
00000001
Address 1
01000000
Address 64
01011000
Address 88
11111111
Address255
0000000
Software Selectable*
*Note: If it is required that the CBX-8R8(-H)'s address can be configured remotely via
Network-level Controller or Router
CBX-8R8(-H)
Network
Shield connected at end of
Termination
network only
switch set to OFF
DS0119 rev 40
©2018 Cylon
The MS/TP baud rate must match on all devices on the MS/TP subnet.
1.2. Connect 24 V AC Power to the CBX-8R8(-H)
For the initial configuration of the device, the controller must first be powered on.
The
transformer. One conductor of the transformer must be grounded to an earth ground
to avoid damage to the controller. This conductor will be wired to the COM (common)
terminal of the controller. The wiring diagram is shown here:
2. CONNECT THE CBX TO THE MS/TP NETWORK
2.1. Attach RS-485 communication wires to
Wiring the RS-485 network involves connecting the A+ (95) and B- (96) terminals in a
daisy-chained configuration. One end of the network will be connected to the
Fieldbus of the Network-level controller or BACnet® router. At the other end of the
network, the last device must be "terminated" by either installing a 100 Ω ... 120 Ω
resistor or, if the last device is a CBX, users can switch the MS/TP Subnet terminator
switch (located beside the MS/TP port) towards the
the network. The shield (screen) must be carried through the entire network.
If the RS-485 network is wired to an eSC, then the shield will be grounded at the eSC.
If the RS-485 network is wired to a CBR, the shield must be grounded at one point on
the network as shown below:
Network Segment end
Shield continuous
throughout the
Network cable segment
network
daisy-chained to next device
All Rights Reserved.
Subject to change without notice
BACnet® or electronically via USB, then once the CBX-8R8(-H) has been
powered up (Installation step 1.2) the 8-way DIP switch should be set to all zeros.
Setting the 8-way DIP switch to all zeros will allow the MAC address to be set
electronically either locally by USB or remotely over BACnet®.
It is also possible to use manual setting for initial commissioning, and then
cycling the power to force the controller to update its MAC address to match
the DIP settings. To enable subsequent electronic configuration, set the DIP
switch to all zeros. The controller will retain the manually-set address until it is
electronically overwritten.
Note: If no address had previously been set (e.g. when the device is received from the
factory), then a device that is powered-on with the DIP switch set to all zeros
will use the last 2 digits of its serial number as its initial address.
Note: Service Port (USB connection) must not be connected until after the device is
powered on.
CBX-8R8(-H)
requires 24 V AC supplied from an externally mounted power
Note: Ensure the 24 V AC and Common wires are correctly connected to the
controller. If the wires are swapped, it may cause damage to anything
connected to the controller.
the MS/TP Subnet port
- - - - - -
CBX-8R8(-H)
Network Termination
switch set to ON at end
of network
WWW.CYLON.COM
WWW.CYLON-AUTOMATRIX.COM
icon. This will effectively terminate
Network end
Shield connected to earth
at one end of network
only
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