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Andover Controls CONTINUUM NetController Reference

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Louis Bowden
April 14, 2025

Change field controllers to a different comm port

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1 comments:
Mr. Anderson
April 15, 2025

To change the communication port for field controllers on the Andover Controls CONTINUUM NetController, use one of the RS-485 Infinet network ports. The ports that support RS-485 Infinet are:

- COMM1 (RS-232 / RS-485 Infinet)
- COMM2 (RS-485 Infinet)
- COMM4 (RS-485 Infinet)

Select a port that is not already in use and configure it for RS-485 Infinet communication. Make sure the physical wiring is connected to the correct COMM port and properly terminated with a 120-ohm resistor at both ends of the Infinet bus.

This answer is automatically generated

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Related Manuals for Andover Controls CONTINUUM NetController

Summary of Contents for Andover Controls CONTINUUM NetController

  • Page 2 Andover Controls Corporation. Produced in the United States of America. Infinity is a trademark of Andover Controls Corporation. All other trademarks are the property of their respective owners. Continuum CPU Reference, Version: DRAFT January, 1998...
  • Page 3 Radio Interference This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions in this manual, may cause harmful interference to radio communications.
  • Page 4 FCC Compliance Information for the Continuum Modem Manufactured by: Andover Controls Corporation 300 Brickstone Square Andover, MA 01810 Phone Line Connector: RJ-11 Connector This equipment complies with FCC rules, Part 68. Behind the upper (hinged) cable-trough door is a label that contains, among other information, the FCC Registration Number and Ringer Equivalence Number (REN) for this equipment (to open the cable-trough door, pull outward at the lower or non-hinged side of the door).
  • Page 5 Elevators, highways, tunnels (automobile, subway, railroad or pedestrian) where a person with impaired hearing might be isolated in an emergency. Places where telephones are specifically installed to alert emergency authorities such as fire, police, or medical assistance personnel. Hospital rooms, residential health care facilities, convalescent homes, and prisons.
  • Page 6 DOC Compliance Information for the Continuum Modem If you order your controller module with the Continuum modem option—the following requirements of the Canadian Department of Communications apply. Andover Controls Canada, Inc. Unit 12 1087 Meyerside Drive Mississauga, Ontario L5T1M5 The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements.
  • Page 7 Limitations DDC de Fixation de Dispositifs Auxiliaires Andover Controls Canada, Inc. Unit 12 1087 Meyerside Drive Mississauga, Ontario L5T1M5 L’étiquette du Département de Communications Canadien identifie un équipement certifié. Cette certification veut dire que l’équipement satisfait à certaines exigences de sûreté, d’exploitation, et de protection de réseau de télécommunications.
  • Page 8 Andover Controls Corporation...

  • Page 9: Table Of Contents

    Contents Introduction..............1 NetController Module Characteristics......3 Mechanical Installation............ 4 DC Power Connection ............. 7 Output Power-I/O Connections........9 Connection of I/O Modules............10 Maximum Number of I/O Modules..........11 Maximum Length of I/O Bus.............11 Connecting Remote I/O Modules with RS-485......11 RS-485 Termination Guidelines ..........12 Communications Ports..........
  • Page 10 Andover Controls Corporation...

  • Page 11: Introduction

    TCX 865 ÈNTINUUM NetController This manual describes the installation, care and use of the Continuum NetController CPU module. The Continuum NetController CPU module is part of the Andover Controls Continuum Ethernet-based intelligent building system. The Continuum system allows you to cost-...
  • Page 12 ® Plain English Programming The Continuum NetController can be configured to meet the exact requirements of your application using the powerful Andover Controls Plain English programming language. Programs are entered into NetController using the Continuum Workstation. The program is then stored in, and executed by, the NetController.

  • Page 13: Netcontroller Module Characteristics

    NetController Module Characteristics The following lists the features included in the Continuum NetController Module: • Internal Lithium battery backed Real Time Clock. • Watchdog timer. • Scan, CPU, Error and Communications status LEDs. • Reset Button on the front panel.

  • Page 14: Mechanical Installation

    On the back of each module are molded DIN rail guide fingers. The design allows the module to easily hook onto and slide along a standard DIN rail. Special clamps are provided on the case that allow you to lock the module in place, once it is in position. Andover Controls...
  • Page 15 These clamps, when extended, provide an alternative method of mounting to the DIN rail. You can mount the module directly to a panel using the reinforced mounting holes provided on each of the clamps. Once the module is in the desired position, it is locked to the rail by pushing the bottom clamps inward.
  • Page 16 Overall Dimensions The overall dimensions of the CPU unit are as shown: 6.70'' (170.2 mm) 2.50 '' 9.0 '' (63.5 mm) (228.7 mm) Andover Controls...

  • Page 17: Dc Power Connection

    DC Power Connection The CPU module is powered by an external 24 VDC source. This source is supplied by one of the three Continuum Power Supply Modules. The input power connector is located on the left side of the CPU module case and consists of five pins. The power input connector is a five-pin male assembly that is designed to easily insert directly into the right side (output) connector of any Power Supply module.
  • Page 18 Warning Make sure that AC power is not applied (switch is off) to the power supply while you are connecting the CPU module. The module could be damaged or you could receive an electrical shock that is life-threatening. Andover Controls...

  • Page 19: Output Power-I/O Connections

    Output Power-I/O Connections The Continuum NetController module includes a connector on the upper right side of the case for further distribution of the 24 VDC input power and special I/O communications signals. Continuum I/O modules use these signals for power and communications as well.

  • Page 20: Connection Of I/O Modules

    Connection between the modules is one-to-one straightforward wiring as shown below: This connector is available from Andover Controls under part number 01-2050-283; Wieland manufactures it under part number 25.340.0553.0. Andover Controls...

  • Page 21: Maximum Number Of I/O Modules

    Maximum Number of I/O Modules There is no operational limit to the number of I/O modules connected to the CPU except the capacity of the power supply. It is possible to insert auxiliary power supplies into the I/O bus to increase the number of modules supported. To determine the maximum number of I/O modules your system can support, subtract the power requirements for each module from the maximum available from your power supply.

  • Page 22: Rs-485 Termination Guidelines

    CPU. In this case, a terminator resistor is connected across the communications lines (pins 1 & 2) directly at the NetController and again at the remote I/O module. 120 Ω 120 Ω Remote Resistor Resistor Module Andover Controls...
  • Page 23 CPU with local and 1 remote I/O Module: The I/O Bus that needs to be terminated is the one formed by the cable that starts at the NetController and ends at the remote module. The bus that extends from the NetController through the local I/O stack does not need termination.
  • Page 24 (pins 1 & 2) at the NetController and again at the first remote I/O module. Local Local 120 Ω Resistor 120 Ω Remote Remote Resistor Module Module Andover Controls...
  • Page 25 CPU with two remote modules separated by distance: The I/O Bus that needs to be terminated is the one formed by both cables on either end of the first remote I/O module. In this case, the bus begins at the NetController, flows by the first remote module and ends at the second.

  • Page 26: Communications Ports

    Communications Ports The Continuum NetController module includes connections for communications with external devices such as printers, Andover Infinet controllers and others. These connections are called Comm Ports. It also optionally includes Ethernet connections. The NetController includes four Comm Ports called COMM1 through COMM4 with the following possible configurations: COMM1 –...
  • Page 27 RS-232 The NetController can be connected to other support devices such as printers for reports and other PCs used as command terminals. These connections are accomplished using either of the two RS-232 ports. Power NetController Supply Printer Both COMM 1 and COMM 3 include general-purpose RS-232 connections. An industry standard 8-pin shielded insulation displacement RJ-type termination connector is provided for the RS-232 interconnection.
  • Page 28 COMM 3 can be configured as an internal modem or an RS-232 connection. When the internal modem option is installed, the RS-232 connection is no longer available. The RS-232 pin connections are shown below: COMM 1 & 3 RS-232 Connectors Ground Andover Controls...
  • Page 29 Connection to a standard RS-232 device using a cable terminated with an RJ-45 and 25-pin D-type connector are shown below: RJ-45 Connector Standard DB-25 Connector at CommPort (25-Pin Male) (Data Terminal Ready) (Clear to Send) (Data Carrier Detected) (Ready to Send) Signal RTN (Signal Return) (Receive Data)

  • Page 30: Infinet (Rs-485)

    Infinet (RS-485) The NetController can be connected to other Andover Controls devices such as local VAV controllers and display modules. These connections are accomplished using any of the three Infinet RS-485 ports. COMM 1, COMM 2 and COMM 4 include Infinet connections. A removable screw terminal type connector is provided for the interconnection.
  • Page 31 Infinet Connections COMM Port 1 provides both Infinet and RS-232 connections. However, only one type may be connected at any one time. For example, COMM 1 can be used as an Infinet connection or an RS-232 connection BUT NOT BOTH! The Infinet pin connections are shown below: COMM 1 &...

  • Page 32: Ethernet

    Only one of the methods is installed depending upon your configuration. The Ethernet is a high-speed CSMA/CD local area network (LAN) that includes all Andover Controls controllers and workstations and the network software that makes them communicate. Ethernet consists of a minimum of two NetControllers or a NetController and a workstation, usually connected via RG-58 a/u coaxial cable (10Base-2).
  • Page 33 Ethernet Connections The controller module is equipped with an on-board Ethernet interface—complete with connector—corresponding to one of the following Ethernet media types: 10BASE-2 10BASE-T Different connectors, cable limitations, and network termination requirements apply to the Ethernet, depending on which type of option your NetController uses. 10BASE-2 Ethernet Cable Limitations: This option provides a standard BNC coaxial cable connector for Ethernet.
  • Page 34 10BASE-2 Ethernet requires 50 Ω terminating resistors on the first and last nodes on the bus. The figure shown below illustrates the connection of the terminating resistor. Coaxial T Terminating Resistor Coaxial Connects to Coaxial Connector on NetController Andover Controls...
  • Page 35 10BASE-T Ethernet Cable Limitations: This option provides a standard RJ-45 connector for Ethernet. Unshielded twisted pair cable is used to form this type of network (you actually use a cable with dual twisted pairs—one for the transmit signal, and one for the receive signal). The maximum cable length you can use between two nodes is 327 feet (100 meters).

  • Page 36: Modem

    Before the modem can be operated, it must be configured from the Continuum workstation. The communications data rate, handshaking options, etc. are set up when defining COMM 3 as a Modem. Consult the Continuum workstation on-line help files for specific information. Andover Controls...

  • Page 37: Status/Control Panel

    Status/Control Panel Status Indicators The NetController includes a complete indicator status panel on the front of the module. Status Panel Indicators provide status information on communications port use, Ethernet traffic and NetController internal operation. The following page lists the various indicators and describes their operation. Control Push Buttons There are two control push buttons along with the status indicators located on the front panel.
  • Page 38 12 blinks RAM Test Failed Note: If an Andover Controls Plain English program disables due to an error, the ERROR indicator illuminates and stays ON (without blinking)—if this occurs, you can turn the indicator off by setting the ERRORS system variable to 0 through software.
  • Page 39 CommPort Activity Indicators There are four sets of CommPort activity indicators—one for each CommPort. The indicators in this group report on the following: The TD (for Transmit Data) indicator flashes quickly as data is being transmitted out through the CommPort. The RD (for Receive Data) indicator flashes quickly as data is being received through the CommPort.
  • Page 40 The LINK indicator is ON whenever the controller detects a valid 10BASE-T Ethernet link. (Note: this indicator applies only to 10BASE-T Ethernet.) The POL (for Polarity) indicator is ON if a cable polarity reversal has been detected on the 10BASE-T Ethernet. Andover Controls...

  • Page 41: Operation

    Operation Power On IMPORTANT Before applying power to the NetController make sure all connections are secure. The system is not designed to allow you to add I/O modules while the power is on. The NetController has no power switch. It is assumed that it is connected to an appropriate Continuum power supply module.

  • Page 42: Ups Programming

    The following system variable can be used to keep track of how long it has been since the last power failure. For a comprehensive example of its use, refer to the description of the PowerUpTime system variable in the Continuum workstation Help file. Andover Controls...
  • Page 43 30-3001-703 Continuum CPU Reference Rev DRAFT 1/98...

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