Johnson Controls WT-BAC-IP Installation Instructions Manual
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Johnson Controls WT-BAC-IP Installation Instructions Manual

Johnson Controls WT-BAC-IP Installation Instructions Manual

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WT-BAC-IP Gateway

Installation Instructions

WT-BAC-IP
Application
The WT-BAC-IP Gateway is a multi-function device that performs wireless mesh network management tasks and
provides bidirectional communication between the wireless devices of the Johnson Controls® WT-4000 Series
Pneumatic-to-Direct Digital Control (DDC) Room Thermostat System and the BACnet® IP Client. The gateway
communicates wirelessly with its associated devices and performs all the high-level system functions, such as
BACnet object creation and object sourcing. This robust mesh network supports up to 100 wireless devices per
WT-BAC-IP Gateway.
The WT-BAC-IP Gateway is designed for indoor, intra-building applications only. The gateway uses
direct-sequence, spread-spectrum RF technology, and operates on the 2.4 GHz Industrial, Scientific, and Medical
(ISM) band. The gateway meets the IEEE 802.15.4 standard for low power, low duty cycle RF transmitting
systems.
IMPORTANT: Use the WT-BAC-IP Gateway only to provide an input to equipment under normal operating
conditions. Where failure or malfunction of the gateway could lead to personal injury or property damage to the
controlled equipment or other property, additional precautions must be designed into the control system.
Incorporate and maintain other devices, such as supervisory or alarm systems or safety or limit controls,
intended to warn of or protect against failure or malfunction of the gateway.
North American Emissions Compliance
United States
Compliance Statement (Part 15.19)
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired
operation.
Warning (Part 15.21)
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
Canada
Industry Canada Statement
The term IC before the certification/registration number only signifies that the Industry Canada technical
specifications were met.
Le terme « IC » précédant le numéro d'accréditation/inscription signifie simplement que le produit est conforme
aux spécifications techniques d'Industry Canada.
Refer to the
QuickLIT website
WT-BAC-IP Gateway Installation Instructions
1
24- 10732- 21, Rev . B
(barcode for factory use only)
Part No. 24-10732-21, Rev. B
Issued June 2017
for the most up-to-date version of this document.

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Summary of Contents for Johnson Controls WT-BAC-IP

  • Page 1: Installation Instructions

    Application The WT-BAC-IP Gateway is a multi-function device that performs wireless mesh network management tasks and provides bidirectional communication between the wireless devices of the Johnson Controls® WT-4000 Series Pneumatic-to-Direct Digital Control (DDC) Room Thermostat System and the BACnet® IP Client. The gateway communicates wirelessly with its associated devices and performs all the high-level system functions, such as BACnet object creation and object sourcing.

  • Page 2: Installation

    WT-BAC-IP with firmware revision 1.3.5 or newer Installing the WT-BAC-IP Gateway Software From the WT-BAC-IP Installation CD, double-click setup.exe, located under the main WT-BAC-IP Configuration Tool folder. Follow the on-screen instructions to install the program on the computer. Establishing an IP Connection to the WT-BAC-IP Use the following steps to establish an IP connection to the WT-BAC-IP.
  • Page 3 6. Plug the 12 VDC adapter into the WT-BAC-IP. 7. Open the WT-BAC-IP Configuration Tool program. 8. In the By MAC Address tab, type in the MAC address printed on the back of the WT-BAC-IP (in the upper left- hand corner of the product label).

  • Page 4: Setting Ip Connection Parameters

    Figure 4: Connection Established to the WT-BAC-IP Setting IP Connection Parameters The WT-BAC-IP is configured with a static IP address of 192.168.35.10 out of the box. Use the following steps to change the static IP address. 1. Click Edit next to the Connection Mode label.

  • Page 5: Mapping Connected Devices

    1. In the Wireless Network Info row of the WT-BAC-IP Configuration Tool, click Edit. Figure 6: Wireless Network Info   2. Modify the parameters as needed. The DID typically remains at the default 200.247 address. 3. Channels 15, 20, and 25 are recommended as they are between the Wi-Fi communication channels and are the least susceptible to interference.

  • Page 6: Restarting The Bacnet Application

    1. Ensure that all configuration tasks are complete (including changing wireless network addresses, modifying IP connection parameters, and creating the point map). 2. Click Disconnect in the upper right-hand corner of the tool. Restarting the WT-BAC-IP takes up to 30 seconds. The following image appears.

  • Page 7: Wt-Bac-Ip Gateway Point Mapping

    WT-BAC-IP Gateway Point Mapping The following table lists the BACnet objects associated with the WT-BAC-IP Gateway. The WT-BAC-IP also sources BACnet objects for all its connected devices. Refer to the respective documentation for more information about the BACnet objects. Table 1: BACnet Objects of the WT-BAC-IP Gateway (Part 1 of 2)
  • Page 8 Table 1: BACnet Objects of the WT-BAC-IP Gateway (Part 2 of 2) Register Point Name Description BACnet Number Object Type MS_Shoulder Bit 10 – motion detector shoulder mode triggered by lack of motion Shoulder_On Bit 7 – shoulder mode button pressed Override_On Bit 6 –...

  • Page 9: Explanation Of Key Attributes

    Explanation of Key Attributes The following table lists the descriptions of key attributes of the WT-BAC-IP Gateway. Table 2: WT-BAC-IP Key Attributes Attribute Description WT-BAC-IP Version Version level for the BACnet application software MAC Address Unique 12-Digit HEX address for the WT-BAC-IP Port UDP Port (default value 47808);...
  • Page 10 Building Technologies & Solutions 507 E. Michigan Street, Milwaukee, WI 53202 Metasys® and Johnson Controls® are registered trademarks of Johnson Controls. All other marks herein are the marks of their respective owners. © 2017 Johnson Controls. WT-BAC-IP Gateway Installation Instructions Published in U.S.A.

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