CDU-AC5 Web Server/MODBUS Gateway INSTALLATION GUIDE Issue 1.0 Coolcentric, A Division of Vette Corp 201 Boston Post Road West, Marlborough, MA 01753 Email info@coolcentric.com Website www.coolcentric.
CDU-AC5 CONTENTS Section 1 1.1 INTRODUCTION General 3 Section 2 2.1 2.2 SYSTEM OVERVIEW Features and Capabilities Architecture 4 4 Section 3 3.1 3,1,1 3.1.2 3.2 3.3 TECHNICAL DATA Mounting Cabinet Mounting CDU Mounting Wiring Connections LEC Indicators and Buttons 5 5 5 6 7 Section 4 4.1 4.2 4.3 INSTALLATION Power Supply Access the CDU-AC5 Installing the ActiveX control 8 9 9 Section 5 5.1 5.2 5.3 5.4 5.4.1 5.4.2 5.4.3 5.4.4 5.4.5 5.
CDU-AC5 INTRODUCTION 1.1 Section 1 General This guide describes the basic Installation, Configuration and Operation of the CDU-AC5 Web Server and MODBUS gateway. The CDU-AC5 is a multi-function communication gateway that provides a means to monitor and control CDU cabinets via a number of standard Internet and Building Automation protocols.
CDU-AC5 SYSTEM OVERVIEW 2.1 2.2 Section 2 Features and Capabilities Graphic Hosting. Hosting of schematics which can real-time data fields retrieved from the locally connected CDUs via the LonWorks network. Adjustment of set points and other configuration property values is provided with relevant security schemes. Schematics can be viewed from Windows Internet Explorer, and achieved with the support of a signed ActiveX control. Alarming & Re-transmission.
CDU-AC5 TECHNICAL DATA 3.1 Section 3 Mounting The CDU-AC5 is supplied with two sets of end brackets which allow mounting in either a standard 19” cabinet or a CDU cabinet. 3.1.1 Cabinet Mounting End brackets suitable for 4-screw horizontal mounting in standard 19” cabinet. 3.1.2 CDU Mounting Alternative end brackets suitable for 1-screw vertical mounting to CDU frame member– bottom bracket locates with tabs in frame upright slots.
CDU-AC5 3.2 Wiring Connections The CDU-AC5 is provided with a series of two part screw wiring terminals and a RJ-45 data connection. In addition, there is a DB-9 communication port for connection to a GSM modem and several other connections which are not utilised. Front View 1 2 3 4 Rear View 5 6 8 7 9 10 1 CDU LonWorks Data Port. The LonWorks data port provides connection to the local CDUs via a polarity independent twisted pair. 2 RJ-45 10/100 BaseT Ethernet Port.
CDU-AC5 7 3.3 Mains power supply terminal IEC socket for connection to mains power supply. LED Indicators, Switches and Buttons 3 Unit Status LED (Green). Indicates status of unit. Flashing 1 second interval indicates healthy condition. 8 LonWorks Service Button Used to generate `Servie pin message’. This is used during the configuration of CDUs. 9 24V/Mains Selector Switch Used to select between external 24Vac and mains power supplies.
CDU-AC5 INSTALLATION 4.1 Section 4 Power Supply The CDU-AC5 can be powered by either a local 24Vac or mains supply. Typically, you will use 24Vac if the CDU-AC5 is mounted in a CDU and mains if it is rack-mounted.
CDU-AC5 4.2 Local LonWorks Network The CDU-AC5 communicates with connected CDUs over a LonWorks twisted pair network. A typical network is shown in below, 4.3 Accessing the CDU-AC5 The CDU-AC5 can be accessed from a client PC running Microsoft Internet Explorer 5 or above. The following security options must be enabled within Internet Explorer, Scripting Active X Controls The CDU-AC5 communicates using a number of standard and non-standard TCP ports.
CDU-AC5 Section 5 CONFIGURATION 5.1 General A CDU-AC5 can monitor and control a number of CDUs. The number of CDUs which can be connected to the CDU-AC5 is dependent on the CDU-AC5 firmware. As of writing the following firmware images are available, CDU-AC5 Firmware Version 3CDU 1.0.0 onwards 8CDU 1.0.0 onwards Maximum number of CDUs 3 8 A CDU must be connected to the CDU-AC5 gateway using the procedure documented in this section. 5.
CDU-AC5 Attach Attach Attach Updating domain x of y Updating address x of y Updating nv x of y vi. When the process is completed the following screen will be displayed. Attach Setup complete Press OK vii.
CDU-AC5 5.4 CDU-AC5 To access the configuration of the CDU-AC5 select Configuration from the NeOSS menu. You will be asked to Logon. Enter the username and password. 5.4.1 General The General screen allows you to configure the basic parameters of the CDU-AC5. Site Name Provides a space to enter the site name of the CDU-AC5. The site name is used to cache schematics on the hard disk of the client PC.
CDU-AC5 Command Port/Reflex Port/IP Data Port (Default = 44000/44001/44002) These ports used by the web-client (Internet Explorer etc) and the CDU-AC5. HTTP Port (Default = 80) Provides a space to enter the port number to be used by http. Normally this is set to the standard value of 80, and would only be changed if multiple web servers are present. FTP Port (Default = 21) Provides a space to enter the port number to be used by ftp.
CDU-AC5 6. Click OK. The CDU-AC5 will perform a reboot. Once complete, you may log on again. 5.4.2 Users The Users screen allows you to manage the user database. Adding a User 2. Click on the New User icon, . 3. Enter the required Login Name, User Name and Password. 4. The Access Level should be set accordingly, < 90 if adjustments to CDU parameters are not to be permitted from the schematics. >= 90 if adjustments to CDU parameters are required 5.
CDU-AC5 8. Click Submit Deleting a User 1. Highlight the User to delete in the current User Name list. 2. Click on the Delete User icon, . 5.4.3 Alarms The alarms screen allows you to configure re-transmission options for alarm groups. `Delete Alarms’ button is used to delete the archived alarm list.
CDU-AC5 5.4.4 Plots The plots screen allows you to configure when plots (datalogs) are emailed out. 5.4.5 S Days,Ip Out and Trend. These screens are not utilised in this release.
CDU-AC5 5.5 Personalising the Site Map Schematic The site map is normally the default schematic which is displayed when a user logs on to the CDU-AC5 and presents the CDUs which are attached to the CDU-AC5. A newly installed CDU-AC5 will not be attached to any CDUs –this is represented by the following site map schematic. Once you have attached a CDU to the CDU-AC5 (see section 5.1 and 5.2), a CDU icon will be displayed on the site map.
CDU-AC5 Naming the Site Map 1. From the Menu, select File -> Open ->In Main Window. 2. Select the Configuration schematic as shown below, 3. The following schematic will be displayed. 4. Click on the Site Name entry field to display the Enter New Value dialog. 5.
CDU-AC5 Naming a CDU 1. Open the Configuration schematic as described in `Naming Site Map’ 2. Click on the appropriate CDU x entry field to display the Enter New Value dialog. 3. Enter the required and click OK.
CDU-AC5 OPERATION Section 6 6.1 Logging On From the web page, click `Click here to Log On’. The schematic viewer ActiveX control will be launched and a logon dialog box will be displayed – enter the appropriate username and password.
CDU-AC5 6.2 Navigating Schematics The site map is the default schematic displayed when the user logs on. To navigate to the CDU click the appropriate CDU picture. The user may easily navigate between schematics by clicking on the blue marble buttons.
CDU-AC5 In addition, the user may step backwards or forwards through the schematics they have previously viewed by clicking the buttons shown below, 6.3 CDU Schematics 6.3.1 Overview The overview schematic provides an at-a-glance status of the CDU. It is presented as a piping backdrop onto which are positioned a number real-time data points. These data points are either numerical values or state bitmaps.
CDU-AC5 6.3.2 Alarms The alarms schematic lists all possible Level 1 and Level 2 alarms along with their current status. The current status can be Healthy (no alarm), ACTIVE or ACTIVE –Deferred. To view the historic alarm list please refer to section 6.4. 6.3.3 Historic The Historic schematic provides access to historic data logs, in addition to indicating the run hours of the pumps and valves.
CDU-AC5 Click on the current value to retrieve the 24 hour data log. Click on the 7 days button or the 6 month button to retrieve the 7 day and 6 month data log respectively. The following screen illustrates a typically data log, Saving a datalog to CSV You may save the datalog values to a CSV file on your local hard disk. From the Data graph menu select Options->Export Data. 6.3.
CDU-AC5 Digital Inputs Displays the current state of each of digital input. The state can be either Open (circuit) or CLOSED (circuit). Digital Outputs Displays the current state of each of digital output. The state can be either Off or ON. Analogue Inputs Displays the current state of each of analogue input. Each input is able to accept a signal in the range of 0V to 18V or 0mA to 36mA. For inputs 1 to 4, this input range corresponds to 0 to 4096 bits.
CDU-AC5 Using the mouse, enter the new value and click Enter. Adjusting Option Parameters Click on the current value of the required parameter. A dialog will be displayed, Click on the drop-down button and select required option. Click OK 6.4 Displaying the Alarm List From the Menu, select NeOSS -> Alarms A window will be displayed as follows, The alarm list can be filtered to display only alarms from a specific CDU by selecting the appropriate filter in the left-hand pane.
