westermo AD-01 M-BUS Adapter Protocol Converters User Guide

**westermo AD-01 M-BUS Adapter Protocol Converters User Guide

**

General information

Legal information

The contents of this document are provided “as is”. Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy and reliability or contents of this document. Westermo reserves the right to revise this document or withdraw it at any time without prior notice.

Under no circumstances shall Westermo be responsible for any loss of data or income or any special, incidental, and consequential or indirect damages howsoever caused.

More information about Westermo can be found at the following Internet address: www.westermo.com

Safety and Regulations

Warning signs are provided to prevent personal injury and/or damages to the product.

The following levels are used:

Level of warning| Description| Consequence personal injury| Consequence material damage
---|---|---|---

WARNING| Indicates a potentially hazardous situation| Possible death or major injury| Major damage to the product

CAUTION| Indicates a potentially hazardous situation| Minor or moderate injury| Moderate damage to the product

NOTICE| Provides information in order to avoid misuse of the product, confusion or misunderstanding| No personal injury| Minor damage to the product

NOTE| Used for highlighting general, but important information| No personal injury| Minor damage to the product

Before installation:

Read this manual completely and gather all information on the product. Make sure that you understand it fully. Check that your application does not exceed the safe operating specifications for this product.

WARNING – SAFETY DURING INSTALLATION

The product must be installed by qualified service personnel and built in to an apparatus cabinet or similar, where access is restricted to service personnel only.

WARNING – HAZARDOUS VOLTAGE

Do not open an energized product. Hazardous voltage may occur when connected to a power supply.

WARNING – PROTECTIVE FUSE

The power supply wiring must be sufficiently fused.

It must be possible to disconnect manually from the power supply. Ensure compliance to national installation regulations.

CAUTION – ELECTROSTATIC DISCHARGE (ESD)

Prevent electrostatic discharge damages to internal electronic parts by discharging your body to a grounding point (e.g. use a wrist strap).

Care recommendations

Follow the care recommendations below to maintain full operation of product and to fulfill the warranty obligations:

• Do not drop, knock or shake the product. Rough handling above the specification may cause damage to internal circuit boards.
• Use a dry or slightly water-damp cloth to clean the product. Do not use harsh chemicals, cleaning solvents or strong detergents.
• Do not paint the product. Paint can clog the product and prevent proper operation.

If the product is used in a manner not according to specification, the protection provided by the equipment may be impaired.
If the product is not working properly, contact the place of purchase, nearest Westermo distributor office or Westermo technical support.

Product disposal

This symbol means that the product shall not be treated as unsorted municipal waste when disposing of it. It needs to be handed over to an applicable collection point for recycling electrical and electronic equipment.

By ensuring this product is disposed of correctly, you will help to reduce hazardous substances and prevent potential negative consequences to both environment and human health, which could be caused by inappropriate disposal.

Declaration of Conformity

Hereby, Westermo declares that this product is in compliance with applicable EU directives and UK legislations. The full declaration of conformity and other detailed information is available at www.westermo.com/support/product- support.

Agency approvals and standards compliance

EN 61000-6-2, Immunity industrial environments
EN 61000-6-3, Emission residential environments
EN 61000-6-4, Emission industrial environments

FCC Part 15.105
Notice:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected
• Consult the dealer or an experienced radio/TV technician for help.

Type tests and environmental conditions

Electromagnetic Compatibility

Phenomena| Test| Description| Level
ESD| EN 61000-4-2| Enclosure contact| ± 4 kV
Enclosure air| ± 8 kV
RF field AM modulated| IEC 61000-4-3| Enclosure| 10 V/m 80% AM (1 kHz), 80 – 2700 MHz
Fast transient| EN 61000-4-4| Signal ports| ± 1 kV
Power ports| ± 2 kV
Surge| EN 61000-4-5| Signal ports unbalanced| ± 1 kV line to earth, ± 1 kV line to line
Signal ports balanced| ± 1 kV line to earth, ± 1 kV line to line
Power ports| ± 2 kV line to earth, ± 2 kV line to line
RF conducted| EN 61000-4-6| Signal ports| 10 V 80% AM (1 kHz), 0.15 – 80 MHz
Power ports| 10 V 80% AM (1 kHz), 0.15 – 80 MHz
Radiated emission| CISPR 16-2-3

ANSI 63.4

(FCC part 15)

| Enclosure| Class B
Conducted emission| CISPR 16-2-1| AC power ports| Class B
Dielectric strength|  | Signal port to all other isolated ports| 2 kVrms 50 Hz 1min
Power port to other isolated ports| 3 kVrms 50 Hz 1min
2 kVrms 50 Hz 1min (@ rated power < 60V)
Environmental
Temperature| EN 60068-2-1
EN 60068-2-2| Operating| -0 to +50°C
Storage & Transport| -25 to +70°C
Humidity| EN 60068-2-30| Operating| 5 to 95% relative humidity
Storage & Transport| 5 to 95% relative humidity
Altitude|  | Operating| 2 000 m / 70 kPa
Service life|  | Operating| 10 years
Vibration| IEC 60068-2-6| Operating| 7.5 mm, 5 – 8 Hz
2 g, 8 – 500 Hz
Shock| IEC 60068-2-27| Operating| 15 g, 11 ms
Packaging
Enclosure| UL 94| PC / ABS| Flammability class V-1
Dimension W x H x D|  |  | 55 x 100 x 128 mm
Weight|  |  | 0.9 kg
Degree of protection| IEC 529| Enclosure| IP20
Cooling|  |  | Convection
Mounting|  |  | Horizontal on 35 mm DIN-rail

Description

AD-01 is an industrial adapter for M-bus communication. AD-01 is a very flexible product for building of M-Bus networks. The AD-01 can be configured for a number of applications. It is possible to access the AD-01 and activate/deactivate RS-232 and M-Bus slave port using commands over M-Bus.

• 9-position D-sub connector (RS-232, (M-Bus))
• Data rate from 300 bit/s up to 9600 bit/s
• Automatic data rate detection
• Converter between RS-232 (M-Bus) and M-Bus networks
• Repeater
• Used to interconnect M-Bus and SIOX networks
• Zone controller
• Up to 120 M-bus slaves
• Galvanic isolated
• Designed for hash environments

AD-01 is a flexible product which implements a number of possibilities to
extend / control a M-Bus network.

AD-01 includes a micro controller (µC) which handles the data flow through the unit.
The main function is activating / deactivating of the two ports, RS-232/V.24 master and M-Bus master which gives possibilities for the unit to work as a zone controller.
Data packets received on the slave side is passed further on the active master ports.
Data packets received on active master ports is passed further on both slave ports.
AD-01 can be addressed and configured over the slave ports.
AD-01’s master ports are active according to factory default. This means that AD-01 can be used as a RS-232 / M-Bus converter without any external configuration.

Interface specifications

Power interface

Rated voltage| 230 V AC ±10%
Rated current| 150 mA
Rated frequency| 48–62 Hz
Connection| 3-position screw terminal
M-Bus interface (slave)

Electrical specification| M-Bus according to EN1434-3
Data rate| Up to 9600 bit/s
Power consumption| Maximum 2 slave loads
Connection| 5-position screw terminal
M-Bus interface (master)

Electrical specification| M-Bus according to EN1434-3
Data rate| Up to 9600 bit/s
Number of slaves| Up to 120 slave loads
Connection| 5-position screw terminal
Serial RS-232/V24 interface (slave)

Electrical specification| RS-232/V.24
Data rate| Up to 9600 bit/s
Connection| 9-position screw terminal (DCE)
9-position D-sub (DCE)
Serial RS-232/V.24 interface (master)

Electrical specification| RS-232/V.24
Data rate| Up to 9600 bit/s
Connection| 9-position screw terminal (DTE)

RS-232/V.24 for M-Bus protocol

LED indications

LED| Status| Description|
---|---|---|---
PWR| LED on| Correct internal power|
LED off| No internal power
Tx| LED on| Data received slave interface
LED off| No data slave interface
Rx| LED on| Data received master interface
LED off| No data master interface
V.24| LED on| RS-232/V.24 master port open
LED off| RS-232/V.24 master port closed
M-BUS| LED on| M-Bus master port open
LED off| M-Bus master port closed
OL/SC| LED on| Overload / short-circuit M-Bus master interface
LED off| Normal communication M-Bus master interface
PF*| LED on| Power failure M-Bus slave interface
LED off| M-Bus slave interface receives correct power from line

Observe that if M-Bus slave mode is set to not used, PF led is always inactive.

DIP-switch settings

Before DIP-switch settings:

Prevent damage to internal electronics from electrostatic discharges (ESD) by discharging your body to a grounding point (e.g. use of wrist strap).
NOTE DIP-switch alterations are only effective after a power on.

S1 Primary address

 Address bit inactive (‘0’)
 Address bit active (‘1’)

The units primary address is set up as a 8-bit binary address (0–255)
S1:1 is the least significant bit, S1:8 is the most significant bit.
Observe that only primary addresses 1–250 is allowed to use according to M-Bus standard.
Example, address 103 = “01100111” binary = S1: 4, 5, 8 OFF, others ON,
see table on page xxxx

S2 Data rate functionality

 Data rate using protocol
 Autobaud

Data rate using protocol means that data rate is set using protocol commands.Autobaud implies that every incoming packet on slave interfaces is data rate controlled and data rate is set accordingly.

S2 Processor mode

 Normal mode
Flash mode

Flash mode implies that an update of the application program is possible using the serial port. See chapter program update.

S2 M-Bus slave mode

 M-Bus slave not used
 M-Bus slave used

M-Bus slave mode specifies if the M-Bus slave interface is used or not.

S2 Factory default mode

 Normal mode
 Reset to factory default

Disconnected power to AD-01.
Set switch to factory default.
Repower AD-01, the unit is now set as factory default.
Disconnect power and set switch to normal mode.

Factory settings

 S1
 S2

Mounting

This unit should be mounted on 35 mm DIN-rail, which is horizontally mounted inside an apparatus cabinet, or similar. Snap on mounting, see figure.

Cooling

This unit uses convection cooling. To avoid obstructing the airflow around the unit, use the following spacing rules. Minimum spacing 25 mm (1.0 inch) above /below and 10 mm (0.4 inches) left /right the unit. Spacing is recommended for the use of unit in full operating temperature range and service life.

Removal

Press down the black support at the back of the unit using a screwdriver, see figure.

Protocol implementation

Parts of the M-Bus protocol is implemented in the unit. Data packets which are not addressed to the unit are transparently passed further without format or checksum control. Packets addressed to the unit are controlled according to M-Bus standard.

Unit addressing

AD-01 can be addressed over the M-Bus protocol in two ways, by using primary or secondary addressing.

Primary addressing

The primary address is set with switches inside the unit. See page 11, Switch settings / Primary address.

Secondary addressing

The secondary address is based on a unique identification number in every unit. The AD-01 secondary address is according the unit serial number and can in this way easily be identified. The following secondary address parameters is used in AD-01

Example: Unit with serial number 729 has ID number 10000729

Unit configuration

Some of the M-Bus protocol applications are implemented in AD-01. This makes it possible to configure a number of internal parameters. The following applications are implemented.

Initialisation of slave (SND_NKE)

Selection of data rate

(only if data rate using protocol is selected, see page 11, Switch settings / Data rate functionality).
All data rates from 300 bit/s up to 9 600 bit/s can be configured according to M-Bus standard.

Selection of slave

Selection of slave to be able to use secondary addressing. Slave select is performed according to M-Bus standard.

Set up / Read out of master ports setting

Set up or read out of the units master ports setting is made with a specific command sequence.

Set up of master ports

Set up of the master ports is possible using a SND_UD command, CI = 51 (hex) with the following data field.

Data field| DIF = 01 (hex)| VIF = FD (hex)| VIFE = E2 (hex)| VIFE = 00 (hex)| DATA
---|---|---|---|---|---
Description| 8-bit integer| Ext. coding| Cont. signal| Write replace| Port setup

The DATA is coded according the following:

Read out of master ports

Read out of the master ports setting is possible using a REQ_UD2 command. AD-01 will respond with a RSP_UD, CI=72 (hex) with the following data field.

The DATA is coded according the following:

Error indication

AD-01 includes possibilities to alert the supervision system of short-circuit or overload on the M-Bus master interface. Readout of error status can be made using a REQ_UD2 command. AD-01 uses the status field in a RSP_UD answer sequence to alert possible errors.

The coding of the status field is according to the following:

Program update

A software update can be made using the 9-position D-sub connection. AD-01 has a micro controller with flash memory which can be reprogrammed. To perform a program update a program file from Westermo and flash software is necessary.

Set up of AD-01 for program update

1. Connect AD-01 to computer serial interface. Observe that the connection must be to AD-01 9-position D-sub.
2. Set AD-01 in flash mode, S2:2 OFF, S2:3 ON. Observe, power must be removed before switch setting.

Set up of flash program

After installation and start the following window will appear on screen.

1. Choose ”Set Environment” and select serial port.
2. Choose ”Target Microcontroller” as MB90F497/G.
3. Choose ”Crystal Frequency” as 4 MHz.
4. Choose ”Open” and select program file.
5. Choose ”Full Operation”.
6. Control that the programming is completed without errors.
7. Remove power to AD-01
8. Set AD-01 in normal operation, S2:2 ON, S2:3 OFF.
9. Reconnect power to AD-01.

Application example

AD-01 is an industrial adapter for M-Bus communication. AD-01 is a flexible product for building of M-Bus networks. The unit is equipped with two RS-232/V.24 interfaces, one M-Bus master and one M-Bus slave interface. The AD-01 can be configured for a number of applications.

AD-01 as converter RS-232 to M-Bus

AD-01 can be used as a converter between RS-232 and M-Bus. The M-Bus master interface can drive up to 120 slave loads.

Consider the following points.

• AD-01 can be used transparently, no addressing or set up of AD-01 using the M-Bus protocol is necessary.
• The primary address should be set to 0 to avoid addressing of the AD-01 unit.

AD-01 as repeater

AD-01 can be used as repeater for M-Bus. The M-Bus master interface can extend the network with up to 120 new slave loads.

Consider the following points.

• AD-01 can be used transparently, no addressing or set up of AD-01 using the M-Bus protocol is necessary.
• The primary address should be set to 0 to avoid addressing of the AD-01 unit.

AD-01 and connection to SIOX networks

AD-01 can be used to connect a M-Bus network to a SIOX network.
Consider the following points

• AD-01 can be used transparently, no addressing or set up of AD-01 using the M-Bus protocol is necessary.
• The primary address should be set to 0 to avoid addressing of the AD-01 unit.
• AD-01 should only be used in datarate using protocol mode since autobaud is not possible when receiving SIOX commands.

AD-01 to extend a network with a modem link

Two AD-01 units can be used to extend an existing network with any type of modem link.

Consider the following points.

• AD-01 can be used transparently, no addressing or set up of AD-01 using the M-Bus protocol is necessary.
• The primary address should be set to 0 to avoid addressing of the AD-01 unit.
• Observe that if a dial-up modem is used the supervision system needs to send dial commands to the modem. The supervision system must also control that a link is established before sending data over the link.

AD-01 as zone controller

AD-01 can be used as zone controller to build larger M-Bus networks.
Consider the following points.

• AD-01 is addressed and set up by the supervision system
• AD-01 can be addressed with primary or secondary address
• If meters with different data rate is used the AD-01 should be set up for autobaud.

Primary address in binary format

Westermo • Metallverksgatan 6, SE-721 30 Västerås, Sweden
Tel +46 16 42 80 00 Fax +46 16 42 80 01
E-mail: info@westermo.com
www.westermo.com

References

• Westermo ᐅ Robust and Secure Industrial Networking Solutions
• Product support, user guides and software downloads ᐅ Westermo

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