Siemens 5WG1143-1AB01 Bedienungsanleitung

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Änderungen vorbehalten

Update

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Product and Application Description

The device serves as an interface between KNX and BACnet. The parameterized KNX communication objects

are translated as BACnet objects and can thus communicate into the BACnet world.

BACnet clients can either log in via a so-called COV subscription and are automatically informed about KNX

events, or they use the Read Property service to query the status of the objects as required.

Example of operation

N143

ETS

Supervisory

BACnet

system

IP network

BACnet /IP KNXnet /IP Tunneling

BACnet/IP KNXnet /IP Tunneling

KNX TP

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The device provides up to 250 communication objects. Via these objects KNX functions (group addresses) are

transposed to BACnet objects.

The communication objects can be configured optionally as:

Length Type Datapoint type Description / Unit

1 bit 1.* Binary (on/off, true/false, 1/0, …)

1 Byte unsigned 5.001 Percentage (0...100 %)

5.010 Counter pulses

5.004 Percentage (0…255 %)

17.001 Scene number

18.001 Scene control

signed 6.010 Counter pulses

6.001 Percentage (-128…127 %)

2 Byte unsigned 7.001 Pulses

7.013 Brightness lux

signed 8.001 Pulses difference

Float 9.* Float value

9.001 Temperature °C

9.001 Temperature °F (KNX value in °C)

9.006 Pressure hPa (KNX value in Pa)

9.006 Pressure Pa

9.024 Power kW

9.022 Power density W/m²

9.005 Speed m/s

9.005 Speed km/h (KNX value in m/s)

9.004 Brightness lux

9.007 Humidity %

9.010 Time s

9.021 Current A (KNX value in mA)

9.021 Current mA

9.020 Voltage V (KNX value in mV)

9.020 Voltage mV

9.008 Parts/million ppm

9.009 Flow rate m³/h

9.027 Temperature °F

4 Byte Unsigned 12.001 Counter pulses

Signed value 13.001 Counter pulses

13.010 Active energy Wh

13.013 Active energy kWh

13.002 Flow rate m³/h

Float 14.* Float value

14.068 Temperature °C

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Length Type Datapoint type Description / Unit

14.068 Temperature °F (KNX value in °C)

14.058 Pressure hPa (KNX value in Pa)

14.058 Pressure Pa

14.056 Power W

14.056 Power kW (KNX value in W)

14.031 Energy J

14.031 Energy kWh (KNX value in J)

14.033 Frequency Hz

14.010 Area m²

The device is configured entirely with ETS.

The configuration of the KNX communication objects automatically generates the corresponding BACnet ob-

jects. The following BACnet objects are being used:

Binary Input

Binary Output

Binary Value

Analog Input

Analog Output

Analog Value

No special knowledge about BACnet is required for the commissioning.

The KNX objects configured with ETS are automatically “translated” by the device into BACnet objects according

to the following process:

The BACnet object instance number is identical to the object number of the ETS. Objects with a 1 bit datapoint

type are translated into “binary” objects. All others become “analog” objects. The parameter “Object Mode” (IN-

PUT, OUTPUT, VALUE) completes the transformation to a BACnet object.

On BACnet the device appears as an Application Specific Controller (B-ASC) with up to 250 BACnet objects.

BACnet clients may set up to 455 BACnet change-of-value (COV) subscriptions for these 250 BACnet objects.

A common memory space is available for the administration of the COV subscriptions and priority arrays. This

resource optimization is because subscriptions are required for objects which send from KNX to BACnet whilst

priority arrays are for objects sending from BACnet to KNX.

The maximum number of possible subscriptions is 455 if no priority arrays are used.

As each priority array has a size of 64 Byte (16 priority levels of 4 Byte each), the number of possible subscrip-

tions decreases accordingly. The maximum possible number of subscriptions is displayed on the device website

once the configuration is complete.

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When a subscription is registered the BACnet object sends its current value, if a value is available for this object.

The validity of a value can be verified via the status property (Failure flag). Initially, the status failure flag for

the object type Binary Input, Binary Value, Analog Input and Analog Value is set to TRUE. Once a value is trans-

mitted from the KNX bus or from BACnet (for Binary Value or Analog Value) this status flag is set to FALSE.

When using a Priority Array with all Priority Array positions released then the last received KNX value is sent as

“relinquish default”, if the value is valid.

All Analog and Binary BACnet objects supported by the device support the writeable Out-Of-Service property.

When this property is set to TRUE, the communication of the respective object with KNX is inhibited. Values of

Input objects can then be changed from the BACnet side, which otherwise would not be possible. Value

changes of objects with set Out-Of-Service property are also indicated via the object status flag Overridden. The

Out-Of-Service flag handling is especially important for finding errors in complex systems.

When the description of an object is requested from the BACnet side (ReadProperty “Description”), the descrip-

tion text is automatically generated and assembled from the object name, BACnet identifier and KNX group

address data separated by a colon (“:”).

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Integrated Webserver

The device is equipped with a web server presenting the configuration and current values in an overview page.

This presentation is helpful for testing purposes and for documentation of the interface between KNX and

BACnet.

Note

The web server is disabled in the ETS parameters for security reasons. To use it, it must first be activated by a

corresponding ETS parameter under "Options".

The web page contains a header section showing general device specific information:

Device name

Device description

Installation location

BACnet instance number of the device

Firmware version

Physical KNX address

IP address

Netmask

Gateway address

MAC address

Number of configured objects

Maximum number of possible COV subscriptions

Current number of COV subscriptions

Number of binary input objects

Number of binary output objects

Number of binary value objects

Number of analog input objects

Number of analog output objects

Number of analog value objects

Device status

Revision number

Priority: This displays the priority array, which is used to transmit events from KNX to BACnet

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Beneath the header is a table listing all configured objects. The table is divided into the following columns:

Object number

Object name

BACnet object ID

KNX group address

Datapoint type

Transmission mode

Reading during initialisation

Unit

Object value

Object values are not dynamically up-dated on the website. To up-date the objects, please re-load the website.

The revision number increases on every download on ETS.

An EDE (Engineering Data Exchange) list can be exported as csv file format via the button „Export EDE“ on the

right side of the web page.

Note

In general, the webpage is coded for the UTF-8 character set. A selection field on the web page allows switching

between UTF-8 and ISO 8859-1 encoding.

When ETS is used for configuration then texts (including special characters) are coded dependent on the set-

tings in ETS. The encoding is set in ETS for the project under General - Codepage. The UTF-8 character set should

be selected. Texts to be communicated via BACnet are transmitted as entered in ETS.

Integrated KNXnet/IP interface

The device also has a KNXnet/IP interface to enable a connection to the ETS for remote parameterization. This

interface can be deactivated via an ETS parameter.

Hint

The KNXnet/IP interface is deactivated in the ETS parameters for security reasons. To use it, it must first be

activated by a corresponding ETS parameter under "Options".

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Behavior at bus voltage failure / recovery

Failure of the auxiliary power (DC 24 V) results in a functional failure of the device.

A bus voltage failure results in a functional failure of the device.

On bus voltage recovery the configured actions are executed and, if applicable, new status values are reported.

The device sends “I am” onto BACnet.

Factory default state

In the factory default state, the device has no gateway function.

IP Address: 192.168.1.135

Physical address: 15.15.255

Physical address IP interface 15.15.255

Ports used:

Service Port Conditions

FTP/Firmware updates TCP 20 /

TCP 21

Activate possibility of firmware updates = yes

BACnet UDP 47808 Set via parameter “BACnet Communication Port”

HTTP / Webserver TCP 80 Activate webserver = yes

DHCP UDP 68 IP address assignment = DHCP Server

KNXnet/IP UDP 3671 KNXnet/IP Interface active = yes

Behavior on unloading the application program

When the application program is unloaded with ETS the device does not function.

All BACnet objects are still visible but are set to “out of service”.

The property “revision number” in the BACnet Device is incremented by one.

The web server stays in operation.

Resetting the device to factory default settings

To bring the ETS configuration data into the delivery state, a master reset can be performed. To do this, the

following steps are necessary:

Supply the device with 24 V voltage.

Disconnect the KNX bus from the device.

Press and hold the programming button for 5 seconds until the Error LED starts flashing.

If the programming button is still pressed (Error LED flashes), connect the bus to the device.

Release the programming button.

The device is restarted without ETS data and with the physical address 15.15.255.

Note: The IP address is reset to 192.168.1.135.

Possible further security measures are

Operate the device only in a secure network environment.

Set up a separate IP network with its own hardware for BACnet communication.

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Restrict access to the (BACnet) IP network to an authorized group of people through user IDs and strong

passwords.

Additionally secure remote access to the device via a VPN connection.

A virtual private network (VPN) establishes an encrypted and authorized connection (VPN tunnel) from a

remote location to a network over the Internet. This VPN connection allows for a secure

and overheard-protected communication between a remote device and the KNX installation.

If Wi-Fi is used, change the default SSID from the wireless access point. Encrypt the Wi-Fi with a secure

procedure (currently e.B. WPA2) and a strong password.

Document network settings and hand them over to the building owner/operator or the LAN administrator.

Manage access rights to this BACnet device on an IP network with the appropriate IP network administrator.

Since the DCC (DeviceCommunicationControl) password is stored in the device, the ETS BCU password must

be set to protect this password.

For security reasons, the FTP port may only be opened for a firmware download and must be closed again

after the update.

For security reasons, the HTTP port may only be opened during troubleshooting and commissioning and

must then be closed again.

The configuration of the device must be backed up. To do this, an ETS BCU password must be set and

KNXnet/IP must be deactivated.

Actions after replacing a device on the network

If a BACNET gateway is stolen from a network or replaced due to a defect, the BACnet DCC (DeviceCommuni-

cationControl) password must be changed and a different BAU password must be assigned to the new BACnet

gateway.

This is necessary because it cannot be ruled out that the passwords that are in a protected area of the device

can be read.

Installation notes

The device may be used for permanent interior installations in dry locations within distribution boards or small

casings with DIN rail EN 60715-TH35.

VWARNING

The device must be mounted and commissioned by an authorized electrician.

The prevailing safety rules must be heeded.

The device must not be opened.

For planning and construction of electric installations, the relevant guidelines, regulations and standards

of the respective country are to be considered.

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Technical Data

Network communication

Ethernet:

100BaseT (100 Mbit/s)

Supported Internet Protocols:

ARP, ICMP, IGMP, UDP/IP, DHCP

KNXnet/IP according to KNX System Specification:

Core, Device Management, Tunneling

Rated voltage

Bus: DC 24 V (DC 21...30V)

Auxiliary power supply:

AC 12-24V, DC 12-30V

Current demand: 40 mA

Power Supply

Bus voltage: via the bus line

Operating voltage:

from external SELV power supply

AC 24 V / DC 24 V nominal,

permissible input voltage range:

AC 12-24 V, DC 12-30 V

Recommended power supplies:

oseparate safety extra low voltage power

supply

ounchoked power from

KNX power supplies N125/x2

Control elements

1 learning button:

for switching between normal operating mode

and addressing mode

Display elements

1 YELLOW LED: Ethernet Link Signal available (LK)

1 RED LED: Status / Error display

1 RED LED: for monitoring bus voltage and for dis-

playing normal mode (LED=Off) / programming

mode (LED=On)

Connections

bus line: bus connection block (red-black), screw-

less 0.6...0.8mm Ø single core

Ethernet / IP network: RJ45 socket

auxiliary power: extra low voltage terminal (yel-

low-white), screwless

0.6...0.8mm Ø single core

Physical specifications

housing: plastic

dimensions: DIN-rail mounted device,

width: 4 SUs (1 SU = 18 mm), height: 55 mm

weight: approx. 120 g

fire load: approx. 3245 kJ

installation: rapid mounting on EN 60715-TH35

rail

Electrical safety

degree of pollution (according to IEC 60664-1): 2

type of protection (according to EN 60529): IP 20

overvoltage class (according to EN 60664-1): III

bus: safety extra low voltage SELV DC 24 V

the device complies with EN 50428

Electromagnetic compatibility

complies with EN 50428

Environmental specifications

climatic conditions: EN 50090-2-2

ambient temperature operating: 0...+ 45 C

storage temperature: - 25...+ 70 C

relative humidity (not condensing): 5 to 93 %

Reliability

Failure rate: 476 fit at 40C

Markings

KNX, CE, BTL

CE mark

complies with the EMC regulations (residential

and functional buildings), low voltage regulations

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Location / Function of the Display and Oper-

ating Elements

ERR

figure 2: Location / function of the display and op-

erating elements

A1 AC/DC 24 V bus connector terminal

(yellow / white)

A2 KNX bus connector terminal (black / red)

A3 Ethernet RJ45 socket

A4 KNX programming LED

A5 KNX programming button

A6 Status / failure LED

A7 Ethernet Link LED

Mounting and Wiring

General description

The N-system DIN-rail device can be installed in dis-

tribution boards, surface or flush mounted, or on

any DIN rail complying with EN 60715-TH35.

The connection to the bus line is established via a

bus connector terminal (red/black).

The RJ45 socket on the device front side provides

the connection to the Ethernet-IP data network.

Mounting DIN-rail devices (Figure 3)

Slide the device (figure 3, B1) onto the DIN-rail

(figure 3, B2) and

swivel back the device (figure 3, B1) until the

slide clicks into place audibly.

Connect the auxiliary power AC/DC 24V with the

yellow-white bus connector terminal (figure 2,

A1).

Connect the bus line with the black-red bus con-

nector terminal (figure 2, A2).

Plug an Ethernet patch cable with an RJ45 plug

into the RJ45 socket (figure 2, A3) to connect the

device with the LAN / Intranet.

A connection is established to the network when

the yellow LED marked ERR (figure 2, A6) is con-

tinuously lit. When the LED LK (figure 2, A7)

flashes data is sent to or from the device.

Dismounting DIN-rail devices

Unplug the Ethernet patch cable from the RJ45

socket (figure 2, A3).

Remove the yellow-white bus connector terminal

(figure 2, A1) from its socket.

Remove the black-red bus connector terminal

(figure 2, A2) from its socket.

press down the slide (figure 3, C3) with a screw-

driver and

swivel the device (figure 3, C1) from the DIN-rail

(figure 3, C2).

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