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Healthcare

Loytec For Healthcare

Loytec intelligent Solution will be the hospital foundation for seamless communication and integration with redundancy network for all healthcare systems, increasing patient and staff safety, improve energy efficiency, patient satisfaction, assisting in patient recovery.
To achieve a significantly improved healthcare environment, integrated technologies will be deployed which interoperate with each other and interact with the patient and staff to improve Energy Efficiency via Intelligent interactive patient and staff interfaces, Intelligent metering and monitoring of consumption, Occupancy based functionality of services, and Enterprise level energy management and benchmarking
Overview
The architecture of the intelligent technology infrastructure is configured avoid single point of failure, and to allow hospital services to operate in the most efficient possible manner to best serve the needs of the patients, staff, the healthcare organization and the environment, now and in the future.
The integration of the various systems and services connected to Room Controller in One layer without the need for supervisory controller or software.

The illustration below details the services within the healthcare facility which are connected to room level controller with seamless integration and redundant network:

  • On/ OFF Lighting Control System
  • Dali-2 Dimming system
  • Multi purpose PIR sensor, (PIR, LUX level, Temperature, Humidity, and Dew Point)
  • Curtain Control
  • External lighting Control
  • HVAC controls Utilities metering
  • Fire alarm Emergency lighting Public address Integartion
  • Voice evacuation Fire/ smoke dampers Integration

LIOB-AIR13 VAV Controller

Variable air volume controller (VAV controller) with a predefined, flexible, reprogrammable application program and sophisticated management functions for a building ventilation system. Processes information from BACnet networks and MP-Bus.

The built-in damper actuator communicates via MP-Bus and provides detailed status information. The built-in differential pressure sensor is used to measure the air flow. An integrated OPC server provides via SSL-encrypted web services (OPC XML-DA) or UA Secure Conversation (OPC UA), information from integrated devices and from the automation server to higher-level OPC client applications or the L-WEB system.

The controller features a jog-dial and a graphical display (128×64) with backlight. This allows for both local configuration and monitoring of the correct function and also local override. Remote access is provided via VNC. Device and data point information is displayed as clear text and via symbols.

The project application is created with the graphical programming system L-STUDIO that is based on IEC 61499 and allows programming via functional blocks (FBS). With IEC 61499, programming is done for the overall project whereby single controllers in the IP network are regarded as distributed computing power (Cloud Control) with data points as resources. The IEC 61499 development environment automatically distributes in the “deployment” process the overall application to the connected controllers and also establishes communication relations between the controllers. Fast response times are achieved by an event-driven execution of programs. The strictly object-oriented design method permits an efficient reusability of already implemented functions and

The inheritance of modifications. Extensive debugging and watch functions allow a building-wide troubleshooting during full operation of the facility.

Data of the automation project is backed up on free definable VAV controllers. This process enables one hand redundancy of data backup and simplified access.

The controller manages user-specific graphical pages with dynamic content for the visualization of information. The visualization of dynamic graphical pages is carried out by LWEB-803 (HTML5 PC Application) or LWEB-802 (HTML5 in Web browser) on one or more PCs or mobile devices. The automation server can also be integrated in the LWEB-900 Building Management System. For the dynamic visualization of information, no additional browser plug-in is required. SSL-encrypted web services (OPC XML-DA) are used to access the data. Per controller, multiple graphical applications can exist in parallel. The controller can be accessed over an IP connection by several users simultaneously.

The VAV controller features scheduling, alarming, and trending. These functions are also accessible via the graphical user interfaces LWEB-803, LWEB-802, or the Building Management System LWEB-900. Additionally, the user can access schedules and alarm lists via the integrated web server.

An event-driven e-mail notification, as the result of a predefined action, informs about the operating status. The e-mail text can be freely designed. The placement of dynamic values in the text is possible. Stored trend data (CSV file) can be forwarded as attachment.

The VAV controller is a BTL certified BACnet Building Controller (B-BC) conform to the ANSI/ASHRAE–135-2012 and ISO 16484-5:2012 standard. It can be connected to BACnet/IP and BACnet MS/TP concurrently.  Binary, analog, and multi-state objects (inputs and outputs) can be created as BACnet server objects or can be accessed via BACnet client functions (WriteProperty, Read Property, COV Subscription). The BACnet client configuration is done via the provided Configuration Software (network scan or EDE import).

The VAV controller is compliant with the CEA-709, CEA-852, and ISO/IEC 14908 standard and can be operated on the Ethernet/IP (IP-852) channel. Static and dynamic network variables (NVs), user defined NVs (UNVTs), and configuration parameters (SCPTs, UCPTs) are supported. NVs can be connected within a CEA-709 network via “Binding” or are available as external data points. The use of protocol analyzer and system diagnostics software is supported.

A dedicated port connects the L-STAT room control unit for user interaction (L-STAT room control unit not included in the position).

An integrated WLAN interface connects the VAV controller with a wireless LAN connection.

LIOB-IP or LIOB-BIP I/O modules can be integrated via. LIOB-IP mode. L-IOB I/O modules extend the VAV controller with physical I/Os (inputs, outputs) that can be directly used within the IEC 61499 program.

For the integration of Modbus TCP devices, the controller implements a Modbus Master that communicates via Ethernet Modbus TCP. The automation server can also be operated as a Modbus Slave.

The integrated OPC server allows to access freely definable OPC data points via SSL-encrypted web services (OPC XML-DA) or UA Secure Conversation (OPC UA). In addition, network statistic information is mapped on OPC data points.

The gateway functionality allows data communication between all communication technologies available on the device. All data points can be displayed and set via the web interface in a tree structure.

The controller can be used as a configurable router, self-learning switch (plug and play), or repeater in IEC/ISO 14908 (LON) networks. It supports Auto-NAT in case of changing public IP addresses and DHCP. Additionally, IP packets can be authenticated with MD5 checksums and time stamps. The integrated (configurable) firewall allows restricting network access based on sender or target address and used services.

The VAV controller supports remote packet recording and troubleshooting with Wireshark. In addition, the recording of BACnet communication via BACnet MS/TP and BACnet /IP port is supported for network diagnosis.

An integrated web server provides access to configuration parameters and statistical information via a standard web browser. Additionally, data points, schedules, and calendars that have been created during device configuration can be accessed via the web server. Current operating conditions can be queried and parameters such as set points and switching times can be set by means of the web server. The configuration can also be done via the provided configuration software that can be executed as an LNS® plug-in or as a stand-alone software.

By using two power supplies, the controller can be redundantly powered.

The controller is equipped with two Ethernet ports. It can either be configured to use the internal switch to interconnect the two ports or every port is configured to work in a separate IP network.

When the Ethernet ports are configured for two separate IP networks, one port can be connected for instance to a WAN (Wide Area Network) with enabled network security (HTTPS) while the second port can be configure to be connected to an insecure network (LAN) where the standard building automation protocols like BACnet/‌IP or Modbus TCP are present. These devices also feature firewall functionality of course to isolate particular protocols or services between the ports.

Using the internal switch, a daisy chained line topology of up to 20 devices can be built, which reduces costs for network installation. The IP switch also allow the setup of a redundant Ethernet installation (ring topology), which increases reliability. The redundant Ethernet topology is enabled by the Rapid Spanning Tree Protocol (RSTP), which is supported by most managed switches.

The built-in SNMP server (Simple Network Management Protocol) provides network management information of a device that can be used by customary IT tools. Via a configurable SNMP agent, status information and statistics with standard MIBs (Management Information Bases), system registers, and all OPC-exposed data points can be read and monitored, and also alarms can be sent.

  • Dimensions (mm) : 208 x 120 x 68 (L x W x H)
  • Installation: mountable via oblong holes
  • Operating conditions: 0 °C to 50 °C, 10 – 90 % RH, non condensing, degree of protection: IP20
  • Power supply: 24 V DC / 24 V AC ±10 %

Interfaces :

  • 2 x Ethernet (100Base-T):- OPC XML‑DA, OPC UA, LonMark IP‑852, BACnet/‌IP, Modbus TCP, LIOB‑IP, HTTP, FTP, SSH, HTTPS, Firewall, SNMP, VNC
  • 1 x L-STAT (Network Thermostat)
  • 1 x MP-Bus (actuator)
  • 2 x USB-A
  • 1 x Internal WLAN (2 x SMA)
  • 1 x SMA 50 Ohm, RX Antenna 2.4 GHz
  • 1 x SMA 50 Ohm, TX/RX Antenna 2.4 GHz
  • Universal Input (UI): 10
  • Analog Output (AO): 3
  • Digital Output (DO): 6 (4 x Relay 6 A, 2 x Triac 0.5 A)
  • Digital Output specification: Triac: 0.5 A @ 24–230 V AC
  • Differential Pressure Sensor: 0–250 Pa
  • Power supply output: 15 V DC, max. 200 mA
  • Tools: L‑STUDIO (based on IEC 61499), event-driven
  • Total number of data points: 30 000
  • OPC data points: 10 000
  • BACnet objects: 2 000 (analog, binary, multi-state)
  • BACnet client mappings: 1 000
  • BACnet calendar objects: 25
  • BACnet scheduler objects: 100 (64 data points per object)
  • BACnet notification classes: 32
  • Trend logs (BACnet or generic): 512 (4 000 000 entries, ≈ 60 MB)
  • Total trended data points: 1 000
  • CEA‑709 network variables (NVs): 2 000
  • CEA‑709 Alias NVs: 2 000
  • CEA‑709 External NVs (polling): 2 000
  • CEA‑709 address table entries: 1 000 (non-ECS mode: 15)
  • LonMark Calendars: 1 (25 calendar patterns)
  • LonMark Schedulers: 100
  • LonMark Alarm Servers: 1
  • E-mail templates: 100
  • Math objects: 100
  • Alarm logs: 10
  • Connections (Local / Global): 4 000 / 250
  • Number of L‑WEB clients: 32 (simultaneously)

Loytec Healthcare Brochure

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