Beijer Electronics SCOM Protocol User Manual

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MAEN975, 2009-02

SCOM Protocol

Manual

English

Foreword

SCOM Protocol

Foreword

The Lauer SCOM Protocol is designed for remote control of Beijer Electronics MT230 Nautic Monitor over different kind of interfaces. It is based on the SCOM Protocol, which allows easy replacement of existing units. Besides the standard command set, the Lauer SCOM Protocol includes a rich set of special purpose commands for extended remote controlling options. The SCOM Protocol is extended with these special features, without affecting the compatibility.

Some of the major extensions are:

• Ethernet support by encapsulating the SCOM protocol within UDP packets.

• Special purpose command set available with the new SCOM command “LAU”.

• Extended address field functionality, which enables monitor grouping, allowing a total count of 240 monitors in a network (15 groups, 16 monitors in each group).

All examples in the manual are intended solely to increase understanding of the software’s functionality and use. Beijer Electronics AB bears no responsibility if these examples are used in actual applications. Because of the large number of application areas for this software, users must acquire the appropriate knowledge to use the software properly for their specific applications. Persons responsible for the application must themselves ensure that each application is in compliance with all relevant requirements, standards and legislation in respect to configuration and safety. Beijer Electronics AB assumes no responsibility for damages that may occur during installation or use of the software. Beijer Electronics AB hereby forbids all modification of the software.

Beijer Electronics, MAEN975

Contents

1 Interface Configuration 7

2 Ethernet Communication 8

UDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

HTTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

WINS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Sample Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3 Message Format and Description 11

Contents

4 Monitor Addressing 13

5 Protocol Description and Timings 14

Conditions for Response Message . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6 Command Reference 17

6.1 BRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Backlight Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.2 MAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Manufacturer ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3 VER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Unit ID and Model / Version Number . . . . . . . . . . . . . . . . . . . . . . 21

6.4 POT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Local Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.5 MCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Unit Control Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.6 MCC_BRIGHTNESS (0x81) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.7 MCC_CONTRAST (0x82) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.8 MCC_SCALINGMODE (0x8C). . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Scaling Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.9 MCC_GAMMAVALUE (0x9D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Gamma Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.10 MCC_COLOURTEMP (0xB3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Color Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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Contents

6.11 MCC_REDLEVEL (0xB4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Red Channel Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

6.12 MCC_GREENLEVEL (0xB5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Green Channel Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

6.13 MCC_BLUELEVEL (0xB6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Blue Channel Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

6.14 TYP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Unit Type and Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

6.15 ETC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Elapsed Time Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

6.16 LAU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Lauer Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

6.17 LAU_CONFIG_GETFWVERSION (0x0101) . . . . . . . . . . . . . . . . . .52

Firmware Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

6.18 LAU_CONFIG_GETHOSTNAME (0x0102) . . . . . . . . . . . . . . . . . .53

Host Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

6.19 LAU_CONFIG_GETIFNAME (0x0103) . . . . . . . . . . . . . . . . . . . . . .54

Internal Network Interface Name . . . . . . . . . . . . . . . . . . . . . . . . . . .54

6.20 LAU_CONFIG_GETMACADR (0x0104) . . . . . . . . . . . . . . . . . . . . .55

MAC (Ethernet) Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

6.21 LAU_CONFIG_GETIPADR (0x0105). . . . . . . . . . . . . . . . . . . . . . . .56

Static IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

6.22 LAU_CONFIG_GETIPMASK (0x0106) . . . . . . . . . . . . . . . . . . . . . .57

Subnet Mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

6.23 LAU_CONFIG_GETGWADR (0x0107) . . . . . . . . . . . . . . . . . . . . . .58

Gateway Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

6.24 LAU_CONFIG_GETDHCPMODE (0x0108). . . . . . . . . . . . . . . . . .59

DHCP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

6.25 LAU_CONFIG_GETDHCPTIMEOUT (0x0109) . . . . . . . . . . . . . .60

DHCP Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

6.26 LAU_CONFIG_GETUDPRCVPORT (0x010A). . . . . . . . . . . . . . . .61

UDP Receive Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

6.27 LAU_CONFIG_GETUDPSNDPORT (0x010B). . . . . . . . . . . . . . . .62

UDP Send Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

6.28 LAU_CONFIG_GETMANUFACTURER (0x010C). . . . . . . . . . . . .63

Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

6.29 LAU_CONFIG_GETDEVICENAME (0x010D) . . . . . . . . . . . . . . . .64

Device Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

6.30 LAU_CONFIG_GETDILMODE (0x010E). . . . . . . . . . . . . . . . . . . .65

DIL Switch Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

6.31 LAU_CONFIG_GETDISPLAYADR (0x010F) . . . . . . . . . . . . . . . . .66

Monitor Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

II Beijer Electronics, MAEN975

Contents

6.32 LAU_CONFIG_GETCOMSERMODE (0x0110) . . . . . . . . . . . . . . 67

SCOM Serial Interface Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.33 LAU_CONFIG_GETCOMBAUD (0x0111) . . . . . . . . . . . . . . . . . . 69

SCOM Serial Interface Baudrate . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

6.34 LAU_CONFIG_GETC118BAUD (0x0112). . . . . . . . . . . . . . . . . . . 70

Internal Video Controller Serial Interface Baudrate . . . . . . . . . . . . . 70

6.35 LAU_CONFIG_GETPOTMODE (0x0113). . . . . . . . . . . . . . . . . . . 71

POT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

6.36 LAU_CONFIG_GETECDISMODE (0x0114) . . . . . . . . . . . . . . . . . 72

ECDIS Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.37 LAU_CONFIG_GETECDISBACKLIGHT (0x0115). . . . . . . . . . . . 73

ECDIS Default Backlight Level . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

6.38 LAU_CONFIG_GETECDISCONTRAST (0x0116) . . . . . . . . . . . . 74

ECDIS Default Contrast Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

6.39 LAU_CONFIG_GETECDISCOLOURTEMP (0x0117) . . . . . . . . . 75

ECDIS Default Color Temperature . . . . . . . . . . . . . . . . . . . . . . . . 75

6.40 LAU_CONFIG_GETECDISREDVALUE (0x0118). . . . . . . . . . . . . 76

ECDIS Default Red Channel Value . . . . . . . . . . . . . . . . . . . . . . . . 76

6.41 LAU_CONFIG_GETECDISGREENVALUE (0x0119) . . . . . . . . . . 77

ECDIS Default Green Channel Value . . . . . . . . . . . . . . . . . . . . . . 77

6.42 LAU_CONFIG_GETECDISBLUEVALUE (0x011A) . . . . . . . . . . . 78

ECDIS Default Blue Channel Value . . . . . . . . . . . . . . . . . . . . . . . . 78

6.43 LAU_CONFIG_GETECDISGAMMA (0x011B) . . . . . . . . . . . . . . . 79

ECDIS Default Gamma Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

6.44 LAU_CONFIG_GETREMOTECONTROL (0x011C) . . . . . . . . . . 80

Remote Control Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

6.45 LAU_CONFIG_GETUSEBROADCAST (0x011D). . . . . . . . . . . . . 81

Remote Control Broadcast Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 81

6.46 LAU_CONFIG_GETADDRESSLIST (0x011E). . . . . . . . . . . . . . . . 82

Remote Control Address List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

6.47 LAU_CONFIG_GETANALOGTOBRT (0x011F). . . . . . . . . . . . . . 84

Analog to Brightness Routing Mode . . . . . . . . . . . . . . . . . . . . . . . . 84

6.48 LAU_CONFIG_GETLCDCONTROLDISABLE (0x0120) . . . . . . . 85

Video Controller Control Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

6.49 LAU_CONFIG_GETDINCONFIG (0x0121) . . . . . . . . . . . . . . . . . 86

Digital Input Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

6.50 LAU_CONFIG_GETBRTRANGEDELTAM (0x0122) . . . . . . . . . . 88

Backlight Level Down Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

6.51 LAU_CONFIG_GETBRTRANGEDELTAP (0x0123). . . . . . . . . . . 90

Backlight Level Up Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.52 LAU_CONFIG_GETSERIALNUMBER (0x0125). . . . . . . . . . . . . . 92

Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

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Contents

6.53 LAU_CONFIG_GETDISPLAYGROUP (0x0127). . . . . . . . . . . . . . .93

Monitor Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

6.54 LAU_CONTROL_ECDISMODE (0x0201) . . . . . . . . . . . . . . . . . . .94

ECDIS Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

6.55 LAU_CONTROL_BUZZER (0x0202). . . . . . . . . . . . . . . . . . . . . . . .96

Buzzer Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

6.56 LAU_CONTROL_DIGITALOUT (0x0203) . . . . . . . . . . . . . . . . . . .98

Digital Output Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

6.57 LAU_CONTROL_ANALOGTOBRT (0x0204) . . . . . . . . . . . . . . .100

Analog to Brightness Routing Control . . . . . . . . . . . . . . . . . . . . . .100

6.58 LAU_CONTROL_LCDCONTROLDISABLE(0x0205) . . . . . . . . .102

Video Controller Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . .102

6.59 LAU_CONTROL_DINCONFIG (0x0206). . . . . . . . . . . . . . . . . . .104

Digital Input Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

6.60 LAU_STATUS_IPADR (0x0301) . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Current IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

6.61 LAU_STATUS_DISPLAYADR (0x0302) . . . . . . . . . . . . . . . . . . . . .107

Current Monitor Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

6.62 LAU_STATUS_SCOMSERMODE (0x0303). . . . . . . . . . . . . . . . . .108

Current SCOM Serial Interface Mode . . . . . . . . . . . . . . . . . . . . . .108

6.63 LAU_STATUS_POTMODE (0x0304). . . . . . . . . . . . . . . . . . . . . . .110

Current POT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

6.64 LAU_STATUS_ECDISMODE (0x0305) . . . . . . . . . . . . . . . . . . . . .111

Current ECDIS Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

6.65 LAU_STATUS_BUZZER (0x0306) . . . . . . . . . . . . . . . . . . . . . . . . .112

Current Buzzer State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

6.66 LAU_STATUS_BACKLIGHT (0x0307) . . . . . . . . . . . . . . . . . . . . .113

Current Backlight State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

6.67 LAU_STATUS_DIGITALOUT (0x0308) . . . . . . . . . . . . . . . . . . . .114

Current Digital Output Pin State . . . . . . . . . . . . . . . . . . . . . . . . . .114

6.68 LAU_STATUS_DIGITALIN (0x0309). . . . . . . . . . . . . . . . . . . . . . .116

Current Digital Input Pin State . . . . . . . . . . . . . . . . . . . . . . . . . . .116

6.69 LAU_STATUS_ANALOGIN (0x030A) . . . . . . . . . . . . . . . . . . . . . .117

Current Analog Input Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117

6.70 LAU_STATUS_ANALOGTOBRT (0x030B). . . . . . . . . . . . . . . . . .118

Current Analog to Brightness Routing Mode . . . . . . . . . . . . . . . . .118

6.71 LAU_STATUS_LCDCONTROLDISABLE (0x030C). . . . . . . . . . .119

Current Video Controller Control State . . . . . . . . . . . . . . . . . . . . .119

6.72 LAU_STATUS_DINCONFIG (0x030D). . . . . . . . . . . . . . . . . . . . .120

Current Digital Input Configuration . . . . . . . . . . . . . . . . . . . . . . .120

6.73 LAU_STATUS_CFGWRITECOUNTER (0x030E). . . . . . . . . . . . .122

Configuration Write Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122

7 Sample Communication Application 125

IV Beijer Electronics, MAEN975

Interface Configuration

1 Interface Configuration

A command can be sent either using the serial interface (RS232 or RS485) or the Ethernet interface via UDP.

This is the default configuration for the two interfaces:

Interface type Default configuration

Serial (RS232 or RS485) 9600 bits/second, 8 data bits, 1 sta r t bit, 1 st op bit Ethernet UDP receive port 10000, UDP send port 10001

Although the Beijer Electronics MT230 Nautic Monitor supports serial port data transfer speed at different rates and configurable UDP ports for the Ethernet communication, the given default configuration should be used for compatibility issues.

Related information

Ethernet Communication

Beijer Electronics, MAEN975 7

Ethernet Communication

2 Ethernet Communication

In addition to serial communication via the built-in RS232- and RS485 interfaces, Beijer Electronics MT230 Nautic Monitor also supports Ethernet communication for remote controlling, device configuration and firmware update.

For a wide range of software support, the firmware includes standard network protocols such as TCP/IP, HTTP, UDP and WINS. The main communication channel uses UDP (User Datagram Protocol), which is a connectionless and simple protocol. Using broadcast addressing, Beijer Electronics MT230 Nautic Monitor can be accessed within a network without complicated configuration, or even automatically detected with simple software support. Once connected to the device, detailed configuration data, such as IP address or subnet mask for TCP/IP communication, can be queried by using the special Lauer command set.

SCOM packets are encapsulated within UDP packets. For the UDP communication, two configurable UDP ports are used to send and receive data.

The following network protocols are supported:

Protocol Description Configuration Default factory setting

UDP Connectionless

protocol used as the main protocol for communication.

Please refer to section UDP for details.

TCP/IP Supports high

level protocols, such as HTTP.

Please refer to section TCP/IP for details.

HTTP Provides HTML-

based configuration pages, exposed through the integrated web server.

Please refer to section HTTP for details.

WINS Allows using a

unique name (host name), mapped to an IPaddress.

Please refer to section WINS for det a il s.

The UDP ports can be configured using the built-in HTML configuration pages.

Current UDP settings can be queried using the Lauer command set.

A TCP/IP address and the corresponding subnet mask can be assigned dynamically or statically.

Static and current TCP/IP settings can be querie d using the Lauer command set.

No separate configuration can be made, except for password configuration, since the protocol is stacked above TCP/IP.

No configuration can be made, except for the host name that can be changed.

The host name can be queried using the Lauer command set.

UDP receive port: 10000

UDP send port: 10001

Static IP-address:

192.168.0.1 Static subnet mask:

255.255.255.0

HTTP port: 80

Password: admin

Host name: LAU+[last two bytes of the MAC-address as ASCII coded hexadecimal value]

8 Beijer El ectr onics, MAEN97 5

Ethernet Communication

UDP

UDP (User Datagram Protocol) is a connectionless protocol.

SCOM messages are encapsulated within UDP, which allows sending and receiving them via Ethernet.

Connectionless means that no individual destination address is specified. Instead, UDP packets are sent to the predefined broadcast address 255.255.255.255, at which any Beijer Electronics MT230 Nautic Monitor listens. Individual addressing is done in the upper protocol layers, such as SCOM and TCP/IP.

Po rts Used to Send and Receive Data

Two ports are used to send and receive data:

•UDP receive port

•UDP send port

From the Beijer Electronics MT230 Nautic Monitor perspective, commands are received from the receive port and responses are sent to the send port. Thus, a remote controller software must send commands to the receive port and receive responses from the send port. If a Beijer Electronics MT230 Nautic Monitor acts as a remote controller, it also sends commands to the receive port, because remote controlled monitors always listen to this port to get commands.

TCP/IP

In contrast to UDP, TCP/IP (Transmission Control Protocol/Internet Protocol) uses a network address assigned to each participant in a network. Beijer Electronics MT230 Nautic Monitor implements TCP/IP to support high level protocols, such as HTTP.

A TCP/IP address and the corresponding subnet mask can be assigned dynamically or statically.

Dynamic Addressing

Dynamic TCP/IP addressing is made using an by an external DHCP-server.

Static Addressing

Static TCP/IP addressing is made using the built-in HTML configuration pages.

HTTP

Beijer Electronics MT230 Nautic Monitor uses HTTP (Hypertext Transfer Protocol) to provide HTML-based configuration pages. These pages are exposed through the integrated web server.

There is no separate configuration option available, since the protocol is stacked above TCP/IP.

The only option that can be configured is a password, which can be used to protect some configuration pages.

Beijer Electronics, MAEN975 9

Ethernet Communication

WINS

WINS (Windows Internet Naming Service) allows a Beijer Electronics MT230 Nautic Monitor to register a unique name (host name) and map it to its IP-address. Once registered, the Beijer Electronics MT230 Nautic Monitor can be accessed using this configurable name, without the knowing its IP-address.

Definition of Host Name

By default, the host name of a Beijer Electronics MT230 Nautic Monitor is defined using the last two bytes of its MAC-address, converting it to its hexadecimal ASCII representation and finally succeeding the three characters “LAU”.

Example

A Beijer Electronics MT230 Nautic Monitor with the MAC-address 00-30-AC-1017-1A has the host name “LAU171A”, if it is not changed by the user.

Related information

Command Reference

Sample Application

The sample communication application chapter shows the full source code of a simple command line application, developed in plain ANSI-C, including necessary program snippets to communicate with a Beijer Electronics MT230 Nautic Monitor via Ethernet. The sample code can be ported to any operating system supporting ANSIC with none or little development effort.

Related information

Sample Communication Application

10 Beijer Electronics, MAEN975

Message Format and Description

3 Message Format and Description

A SCOM message is a stream of bytes, containing the destination, type of message and the corresponding data, if available. The complete stream is protected by two checksums. Data transfer is initiated by sending a command message. Depending on the command, a response message may be sent back. Some commands may contain sub-commands and data, which are sent in the data field of the message.

SCOM Message Basic Format

Byte Field

01234567...7 + [LEN]

ATN ADR CMD LEN ICHKH DATA ICHKD

Each field of the message is described in the following table:

Byte Field Value Size Description

0ATN

1ADR

2 34CMD

0x07 (BELL):

Command

0x06 (ACK):

Acknowledge

0x15 (NAK):

Negative Acknowledge

0x00 to 0xEF:

Monitor group/ address

0xFF:

Broadcast address 0xF0 to 0xFE:

Unused address range

0x42 0x52 0x54:

“BRT”

0x4D 0x41 0x4E:

“MAN”

0x56 0x45 0x52:

“VER”

0x50 0x4F 0x54:

“POT”

0x4D 0x43 0x43:

“MCC”

0x54 0x59 0x50:

“TYP”

0x45 0x54 0x43:

“ETC”

0x4C 0x41 0x55:

“LAU”

1 byte

3 bytes

Identifies the start of a new me ssage. Th e type of message is given by its value. Data transfer is always initiated by using the Command message type. Depending on the command, a response message of type Acknowledge or Negative Acknowledge may be sent back by the destination.

Defines the destination of a command message or the source of the response message. A unique monitor group/address can be assigned to each monitor in a network, and then individually addressed using this field. By default, all monitors also suppor t th e Br o adcast address an d can be controlled simultaneously. In this case, no response messages are sent.

Contains the main command supported in the current firmware version.

Please refer to section Command

Reference for a description of commands

and sub-co mmands.

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Message Format and Description

Byte Field Value Size Description

5LEN

6ICHKH... 1 byte

DATA ...

...

7 + [LEN] ICHKD ... 1 byte

0 to 74 (0x00 to 0x4A)

1 byte

0 to 74 bytes

82 bytes

The size of the DATA-field in bytes.

To protect the message header (bytes 0 to 5), a simple 8-bit checksum is calculated as follows:

Calculate the sum of bytes 0 to 5.

1. Reduce the sum width to 8 bits

2. (AND 0xFF).

Invert all bits. The result is ICHKH.

The checksum is verified as follows:

Calculate the sum of bytes 0 to 6.

1. Reduce the sum width to 8 bits (AND

2. 0xFF).

The result should be 0xFF.

Optional field. If the LEN-field is not 0, this f ield contains sub-commands and/or data for the specified command. If the LEN-field is 0, no data is available.

Optional field. On l y sent if data is available (LEN ≠ 0). T o protect the data (bytes 7 to 7+(LEN-1)), a simple 8-bit checksum is calculated as follows:

Calculate the sum of bytes 7 to 7+(LEN-1)

Reduce the sum width to 8 bits (AND 0xFF)

Invert all bits. The result is ICHKD.

The checksum is verified as follows:

Calculate the sum of bytes 7 to 7+LEN

Reduce the sum width to 8 bits (AND 0xFF)

The result should be 0xFF

As shown in the table, the DATA field is optional, if the used command does not re- quire any data. In this case the value of LEN is 0 and the minimum size of a SCOM message 7 bytes (bytes 0 to 6), because field ICHKD is not sent.

If a command requires data to be sent, the maximum size of a SCOM message is 82 bytes. This means, that the last field ICHKD is located at the offset of the first data byte plus the value of the LEN field.

The maximum value of the LEN field is 74, which is calculated as:

[LEN] = max. message size - (min. message size + ICHKD size)

82 - (7 + 1) = 74

12 Beijer Electronics, MAEN975

Monitor Addressing

4 Monitor Addressing

By default, a Beijer Electronics MT230 Nautic Monitor supports the standard SCOM addressing scheme, which allows a total count of 16 monitors within a network. The address of a monitor is set with four DIP switches. If a SCOM command is sent to a monitor, the ADR field must contain either the broadcast address 0xFF, or the address of the destination device set by the DIP switches. To eliminate this limit, a new addressing scheme is introduced first with Beijer Electronics MT230 Nautic Monitors.

According to the previous chapter, the width of the ADR field is 1 byte (or 8 bits). The standard SCOM addressing scheme uses only the lower 4 bits of this field (only in case of the broadcast address, all bits are used), allowing a maximum of 16 addresses.

Related information

Message Format and Descri pt i on

The new addressing scheme, implemented in Beijer Electronics MT230 Nautic Monitor, uses also the 4 upper bits. To distinguish between the standard and new addressing scheme, these bits are called “group bits” or simply “group”. Based on this definition, the following table shows field ADR in more detail:

ADR bits 7...4 ADR bits 3...0

Group (0 … 14)

Address (0 … 15)

As shown in the table, a group between 0 and 14 can be specified. Group 15 is not supported, to avoid address collision with the broadcast address. Thus, together with the address field, a total count of 15 x 16 = 240 monitors can be connected to one network.

Monitor grouping is activated only, if the monitor is set up to use the software configured address, instead of the hardware address specified by the DIP switches. If the monitor uses the hardware address, the group address is automatically set to 0, regardless of the group configuration.

Beijer Electronics MT230 Nautic Monitor addresses are always given in a dotted notation as “group.address”. This means, if a monitor belongs to group 7 and its address is 3, the resulting address will be 7.3, which is 115 (0x73). In the standard mode (i.e. DIP switch address is used), the monitor address will be 0.3 (or simply 3) for the given example, because the group bits are set to 0.

If a Beijer Electronics MT230 Nautic Monitor is configured as remote controller, it addresses always monitors within its own group. By definition, a Beijer Electronics MT230 Nautic Monitor cannot remote control monitors in another group.

Beijer Electronics, MAEN975 13

Protocol Description and Timings

5 Protocol Description and Timings

The protocol used for transferring SCOM messages and receiving response messages is optimized for easy software implementation. Regardless of the type of interface, a connected monitor is always passive and listening for a command to be received by any available communication interface. A monitor never sends SCOM messages by itself, unless it is configured as a remote controller.

If a monitor receives a SCOM message from any interface, it verifies the message and checks the address field ADR. In case of an address match between the received address and the monitor address, the command is processed.

If the broadcast address 0xFF is received, a command is always processed by any monitor in the network. Depending on the received address and the type of the interface, a response message (ACK or NAK) might be sent back to the interface, from which the command was received.

If a monitor is individually addressed and a serial port (RS232 or RS485) is used, the next command shall not be sent until a delay time called Inter-message gap. The Inter-message gap depends on the baud rate and is calculated as shown below:

5 x 10

Ti =

Ti: Inter-message gap [s] b: Baud rate [bits/second]

Example

Inter-message gap at 9600 baud: Ti = 5 x 10 / 9600 ≈ 0.0052 s = 5.2 ms

14 Beijer Electronics, MAEN975

Protocol Description and Timings

Conditions for Response Message

The conditions for a response message generated by the monitor are described below:

Interface Address condition Co mmand status Response

RS232 Address does not match

monitor address Address matches monitor

address Address is Broadcast

address (0xFF)

RS485 Address does not match

monitor address Address matches monitor

address Address is Broadcast

address (0xFF)

Ethernet Address does not match

monitor address Address matches monitor

address Address is Broadcast

address (0xFF)

Delayed Response

not EXECUTED No response not EXECUTED No response if COMPLETED ACK if FAILED NAK if COMPLETED ACK if FAILED NAK not EXECUTED No response not EXECUTED No response if COMPLETED ACK if FAILED NAK if COMPLETED Delayed ACK if FAILED No response not EXECUTED No response not EXECUTED No response if COMPLETED ACK if FAILED NAK if COMPLETED No response if FAILED No response

If a monitor receives a SCOM message with a broadcast address from the RS485 interface and the command is completed, the generated response message is sent after a delay time. This is required, because many monitors can be attached to the RS485 bus, but only one monitor can claim the line for its communication. The delay guarantees that each response message is sent one after one, even if all monitors have received the broadcast message and processed it at the same time, avoiding a collision on the RS485 bus.

The length of the delay time depends on the monitor address and maximum length of a response message, and is calculated according to the following formula:

(2.5 + Lr) x 10 x N

Te =

b Te: Broadcast command response [s] Lr: Maximum length of response message N: Monitor address + 1 b: Baud rate [bits/second]

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Protocol Description and Timings

The Lr value depends on the command, for which the response message is generated. Detailed information and the “Maximum Lr value” for each response message can be found in Command Reference chapter.

Note:

The given “Maximum Lr value” is specified for a valid command. If an invalid command with a data field exceeding the specification is sent, the Lr value will grow accordingly.

Related information

Command Reference

Example

Broadcast command response for command BRT, sent by monitor with address 7 at 9600 baud: Te = (2.5 + 9) x 10 x 8 / 9600 ≈ 0.0958 s ≈ 95.8 ms

The delay time Te is inserted by the monitor automatically, only if the RS485 interface is selected for the communication. If the RS232 interface is used, the response message is generated and sent as fast as possible. This is true also for the Ethernet communication, but the time when the response message is received depends actually on the network load and speed.

The RS232 communication does not require a delay time due to the point-to-point communication, where only two devices can be attached to the line (i.e. host and monitor or monitor and monitor). Ethernet communication is similar to the RS485 communication, where many monitors can be attached to the same line. However, in contrast to the RS485 interface, a collision is handled by the Ethernet architecture and software, so there is no need for anti-collision support within the monitor.

16 Beijer Electronics, MAEN975

Command Reference

6 Command Reference

The Lauer SCOM protocol exposes many commands for remote control of a Beijer Electronics MT230 Nautic Monitor by a dedicated software. It supports all standard SCOM commands, as well as the new Lauer command set for special purpose functions.

This chapter describes each SCOM command and sub-commands for the following currently available monitor: Beijer Electronics MT230 Nautic Monitor

Beijer Electronics, MAEN975 17

Command Reference

6.1 BRT

Backlight Brightness

Sets the backlight level to the given value. This command affects only the brightness of the backlight lamp or LED array, not the brightness value of the video controller.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7 8

0x07 ADR 0x42 0x52 0x54 0x01 ICHKH Backlight level ICHKD

Backlight level

Value: 0: dark … 255: bright Type: Byte Length: 1 Descript i on: New backlight level

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Backlight level

0x42 0x52 0x54 0x01 ICHKH Backlight level ICHKD

Value: 0: dark … 255: bright Type: Byte Length: 1 Descript i on: Cur r ent backlight level

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6 7 8

0x15 ADR

Backlight level

0x42 0x52 0x54 0x01 ICHKH Backlight level ICHKD

Value: 0: dark … 255: bright Type: Byte Length: 1 Description: Last backlight level

18 Beijer Electronics, MAEN975

Command Reference

Maximum Lr for this Command

Example 1

Set the backlight level of monitor at address 0.7 (group 0, address 7) to 130 (0x82):

0 1 2 3 4 5 6 7 8

0x07 0x07

0x42 0x52 0x54 0x01 0x08 0x82 0x7D

Monitor at address 0.7 (group 0, address 7) has acknowledged the new backlight level 130 (0x82):

0 1 2 3 4 5 6 7 8

0x06 0x07

0x42 0x52 0x54 0x01 0x09 0x82 0x7D

Example 2

Send an invalid “BRT” command to the monitor at address 0.7 (group 0, address 7). The command has two data bytes, but “BRT” accepts only one byte:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x42 0x52 0x54 0x02 0x07 0xFF 0xFF 0x01

Monitor at address 0.7 (group 0, address 7) has not accepted the command. Instead, it sent a negative acknowledge with the current backlight level 128 (0x80). The length of the response message exceeds the specified value 9, because of the invalid data field length:

0 1 2 3 4 5 6 7...8 9

0x15 0x07

0x42 0x52 0x54 0x02 0xF9 0x80 0x00 0x7F

Beijer Electronics, MAEN975 19

Command Reference

6.2 MAN

Manufacturer ID

Requests the manufacturer ID from the monitor. The manufacturer ID is a short, max. 7 character ASCII-string containing the manufacturer specific code. For monitors manufactured by Beijer Electronics, the returned code is always “LAU”.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6

0x07 ADR

0x4D 0x41 0x4E 0x00 ICHKH

(This command has no data)

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Manufacturer ID

0x4D 0x41 0x4E LEN ICHKH Manufacturer ID ICHKD

Value: ASCII character s Type: String Length: 0...7 Description: ASCII-string containing the manufacturer ID

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Query the manufacturer ID of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6

0x07 0x07 0x4D 0x41 0x4E 0x00 0x15

The monitor at address 0.7 (group 0, address 7) has returned “0x4C 0x41 0x55”, which represents the ASCII-string “LAU”, indicating that the monitor is manufactured by Elektronik-Systeme Lauer GmbH & Co. KG:

0 1 2 3 4 5 6 7...9 10

0x06 0x07

20 Beijer Electronics, MAEN975

0x4D 0x41 0x4E 0x03 0x13 0x4C 0x41 0x55 0x1D

Command Reference

6.3 VER

Unit ID and Model / Version Number

Requests the preassigned unit ID and model code, and the version of the serial communications interface software. For compatibility reasons, this code is always static and does not return information specific to Beijer Electronics Nautic Monitors. To get device informations specific to Beijer Electronics Nautic Monitors, such as firmware version etc., use the Lauer Extension command “LAU”.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6

0x07 ADR 0x56 0x45 0x52 0x00 ICHKH

(This command has no data)

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR

Unit ID / Version

0x56 0x45 0x52 0x03 ICHKH Unit ID / Version ICHKD

Value: 0…255 each byte Type: Byte array Length: 3 Description: Static unit ID, model and version number

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Query the unit ID, model and version number of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6

0x07 0x07 0x56 0x45 0x52 0x00 0x04

The monitor at address 0.7 (group 0, address 7) has returned “0x01 0x01 0x00”, which indicates model 1, version 1.0:

0 1 2 3 4 5 6 7...9 10

0x06 0x07 0x56 0x45 0x52 0x03 0x02 0x01 0x01 0x00 0xFD

Beijer Electronics, MAEN975 21

Command Reference

6.4 POT

Local Control

Enables or disables the local backlight level control. If the local backlight control is enabled, the backlight level can be changed using the front panel buttons and by remote control (serial or Ethernet interface, analog or digital input). If the local backlight control is disabled, the backlight level cannot be changed using the front panel buttons. It can be still changed by any remote control option.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7 8

0x07 ADR 0x50 0x4F 0x54 0x01 ICHKH Local control ICHKD

Local control

Value: 0x00: Disable loca l control 0xFF: Enable local control Type: Byte Length: 1 Description: New local control configuration

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Local control

0x50 0x4F 0x54 0x01 ICHKH Local control ICHKD

Value: 0x00: Local control disabled 0xFF: Local control enabled Type: Byte Length: 1 Description: Current local control configuration

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6 7 8

0x15 ADR

Local control

22 Beijer Electronics, MAEN975

0x50 0x4F 0x54 0x01 ICHKH Local control ICHKD

Value: 0x00: Local control disabled 0xFF: Local control enabled Type: Byte Length: 1 Description: Last local control configuration

Command Reference

Maximum Lr for this Command

Example 1

Disable the local control of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7 8

0x07 0x07

0x50 0x4F 0x54 0x01 0xFD 0x00 0xFF

Monitor at address 0.7 (group 0, address 7) has acknowledged, that the local control is disabled:

0 1 2 3 4 5 6 7 8

0x06 0x07

0x50 0x4F 0x54 0x01 0xFE 0x00 0xFF

Example 2

Send an invalid “POT” command to the monitor at address 0.7 (group 0, address 7). The command uses an invalid value 0x90 for “Local control”:

0 1 2 3 4 5 6 7 8

0x07 0x07

0x50 0x4F 0x54 0x01 0xFD 0x90 0x6F

Monitor at address 0.7 (group 0, address 7) has not accepted the command. Instead, it sent a negative acknowledge with the current local control mode 255 (0xFF):

0 1 2 3 4 5 6 7 8

0x15 0x07

0x50 0x4F 0x54 0x01 0xEF 0xFF 0x00

Beijer Electronics, MAEN975 23

Command Reference

6.5 MCC

Unit Control Command

This command is used for remote configuration of the video controller within the monitor. The video controller is an independent device, which controls the LCD panel. Because each monitor model can be equipped with different kind of LCD panel (size, resolution, type etc.), the used video controller can be also different from model to model.

The MCC command is a container for video controller specific commands. These so called sub-commands and their parameters, if available, are encapsulated within the DATA field of the command stream. The base command stream is always the same on each monitor model, while the specific video controller commands and parameters are hardware dependant and may not be supported by any model.

A MCC sub-command may specify an operation type as its parameter, which actually indicates what to do. An operation type is an optional parameter. Generally, the following operation types are available:

Operation type Parameter value Description

ABSOLUTE An ASCII-encoded

hexadecimal value

INC “+” Increments the current value of the selected

DEC “-” Decrements the current value of the selected

RESET “r” or “R” Resets the value of the selected video controller

QUER Y “?” Queries the current value of the selected video

Sets the selected video controller setting to the given value.

video controller setting.

setting to an internally predefined value.

controller setting.

If an absolute value is specified as parameter, it is always encoded as an hexadecimal ASCII-string. This applies also to the returned response messages, whenever a value is available. The returned response message contains always the sub-command and its parameter, which was sent with the command stream. Additional data is simply appended by the monitor after the sub-command and parameter.

Thus, for any MCC sub-command, the following command and response streams are generally common:

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

SCMD / Param

24 Beijer Electronics, MAEN975

0x4D 0x43 0x43 LEN ICHKH SCMD Param ICHKD

Video controller specific sub-command and parameter(s ), if av aila ble

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH SCMD Param Ret ICHKD

SCMD / Param

Video controller specific sub-command and parameter(s), sent with the command stream

Ret

Data returned by the monitor, i.e. current value of the selected video controller setting

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

MCC Sub-commands

All supported MCC sub-commands are described in the following sections.

Beijer Electronics, MAEN975 25

Command Reference

6.6 MCC_BRIGHTNESS (0x81)

Brightness

Adjusts or queries the brightness value of the video controller. This command affects only the brightness of the video controller, not the brightness of the backlight lamp or LED array.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “00”: dark … “FF”: bright Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: New brightness level

Param: INC

V alue: “+” (0x2B) Type: ASCII character Length: 1 Description: Increment the current brightness value

Param: DEC

Value: “-” (0x2D) Type: ASCII character Length: 1 Description: Decrement the current brightness value

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the brightness to an internally predefined value

Param: QUERY

Value: “?” (0x3 F) Type: ASCII character Length: 1 Description: Query the current brightness value

0x4D 0x43 0x43 LEN ICHKH 0x81 Param ICHKD

26 Beijer Electronics, MAEN975

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0x81 Param Ret ICHKD

Ret

Value: “00”: dark … “FF”: bright Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: Current brightness value

Maximum Lr for this Command

Example 1

Set the brightness level of monitor at address 0.7 (group 0, address 7) to 200 (the hexadecimal value of 200 is 0xC8, which is represented in ASCII as “C8” and split into two ASCII codes as 0x43 0x38):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0x81 0x43 0x38 0x03

Monitor at address 0.7 (group 0, address 7) has acknowledged the new brightness level 130 (0x82):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0x81 0x43 0x38 0x43 0x38 0x7D

Example 2

Query the current brightness level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0x81 0x3F 0x3F

Monitor at address 0.7 (group 0, address 7) has returned the current brightness level 200 (0xC8):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0x81 0x3F 0x43 0x38 0xC4

Beijer Electronics, MAEN975 27

Command Reference

Example 3

Increment the current brightness level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0x81 0x2B 0x53

Monitor at address 0.7 (group 0, address 7) has returned the new brightness level 201 (0xC9):

0 1 2 3 4 5 6 7...10 11

0x06 0x07 0x4D 0x43 0x43 0x04 0x1B 0x81 0x2B 0x43 0x39 0xD7

Example 4

Reset the brightness level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0x81 0x52 0x2C

Monitor at address 0.7 (group 0, address 7) has returned the default brightness level 128 (0x80):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0x81 0x82 0x38 0x30 0xC4

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Command Reference

6.7 MCC_CONTRAST (0x82)

Contrast

Adjusts or queries the contrast value of the video controller.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Ext:

Param: ABSOLUTE

Param: INC

Param: DEC

Param: RESET

Param: QUERY

0x4D 0x43 0x43 LEN ICHKH 0x82 Ext Ret ICHKD

Value: “A” or “a” (0x41 or 0x61) Type: ASCII character Length: 1 Description: Command extension.

Value: “00”: low … “FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: New contrast value

Value: “+” (0x2B) Type: ASCII character Length: 1 Description: Increment the current contrast value

Value: “-” (0x2D) Type: ASCII character Length: 1 Description: Decrement the current contrast value

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Descripti o n: Reset the contr a st to an internally pr edefined val ue

Value: “?” (0x3F) Type: ASCII character Length: 1 Description: Query the current contrast value

This character must be always sen t as part of t h e sub command.

Beijer Electronics, MAEN975 29

Command Reference

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0x82 Ext Param Ret ICHKD

Ret

Value: “00”: low … “FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: Current contrast value

Maximum Lr for this Command

Example 1

Set the contrast level of monitor at address 0.7 (group 0, address 7) to 150 (the hexadecimal value of 150 is 0x96, which is represented in ASCII as “96” and split into two ASCII codes as 0x35 0x41):

0 1 2 3 4 5 6 7...10 11

0x07 0x07

0x4D 0x43 0x43 0x04 0x1A 0x82 0x41 0x39 0x36 0xCD

Monitor at address 0.7 (group 0, address 7) has acknowledged the new contrast level 100 (0x64):

0 1 2 3 4 5 6 7...12 13

0x06 0x07

0x4D 0x43 0x43 0x06 0x19 0x82 0x41 0x39 0x36 0x39 0x36 0x5E

Example 2

Query the current contrast level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0x82 0x41 0x3F 0xFD

Monitor at address 0.7 (group 0, address 7) has returned the current contrast level 197 (0xC5):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0x82 0x41 0x3F 0x43 0x35 0x85

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Command Reference

Example 3

Decrement the current contrast level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07 0x4D 0x43 0x43 0x03 0x1B 0x82 0x41 0x2D 0x0F

Monitor at address 0.7 (group 0, address 7) has returned the new contrast level 196 (0xC4):

0 1 2 3 4 5 6 7...11 12

0x06 0x07 0x4D 0x43 0x43 0x05 0x1A 0x82 0x41 0x2D 0x43 0x34 0x98

Example 4

Reset the contrast level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0x82 0x41 0x52 0xEA

Monitor at address 0.7 (group 0, address 7) has returned the default contrast level 128 (0x80):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0x82 0x41 0x52 0x38 0x30 0x82

Beijer Electronics, MAEN975 31

Command Reference

6.8 MCC_SCALINGMODE (0x8C)

Scaling Mode

Sets or queries the main scaling mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: QUERY

Value: “?” (0x3 F) Type: ASCII character Length: 1 Description: Query the current scaling mode

0x4D 0x43 0x43 LEN ICHKH 0x8C Param ICHKD

32 Beijer Electronics, MAEN975

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0x8C Param Ret ICHKD

Ret

Value: “0”: One to one

“1”: Fill all “2”: Fill aspect ratio

Type: One-digit ASCII-encoded hexadecimal number Length: 1 Description: Current scaling mode

Maximum Lr for this Command

Example

Query the current scaling mode of monitor at address 0.15 (group 0, address 15):

0 1 2 3 4 5 6 7...8 9

0x07 0x0F 0x4D 0x43 0x43 0x02 0x14 0x8C 0x3F 0x34

Monitor at address 0.15 (group 0, address 15) has returned the current scaling mode “One to one” (which is ASCII “0” with ASCII-code 0x30):

0 1 2 3 4 5 6 7...9 10

0x06 0x0F

0x4D 0x43 0x43 0x03 0x14 0x8C 0x3F 0x30 0x04

Beijer Electronics, MAEN975 33

Command Reference

6.9 MCC_GAMMAVALUE (0x9D)

Gamma Value

Sets or queries the gamma value.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “0”: Linear

Type: One-digit ASCII-encoded hexadecimal number Length: 1 Description: New gamma value

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the gamma setting to an internally predefined value

Param: QUERY

Value: “?” (0x3 F) Type: ASCII character Length: 1 Description: Query the current gamma value

0x4D 0x43 0x43 LEN ICHKH 0x9D Param ICHKD

“1”: CRT

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Ret

0x4D 0x43 0x43 LEN ICHKH 0x9D Param Ret ICHKD

Value: “0”: Linear

“1”: CRT Type: One-digit ASCII-encoded hexadecimal number Length: 1 Description: Current gamma value

Maximum Lr for this Command

34 Beijer Electronics, MAEN975

Command Reference

Example 1

Set the gamma value of monitor at address 0.7 (group 0, address 7) to “CRT” (which is ASCII “1” with ASCII-codes 0x31):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0x9D 0x31 0x31

Monitor at address 0.7 (group 0, address 7) has acknowledged the new gamma value “CRT” (0x31):

0 1 2 3 4 5 6 7...9 10

0x06 0x07

0x4D 0x43 0x43 0x03 0x01C 0x9D 0x31 0x31 0x00

Example 2

Query the current gamma value of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0x9D 0x31 0x23

Monitor at address 0.7 (group 0, address 7) has returned the current gamma value “CRT” (which is ASCII “1” with ASCII-code 0x31)

0 1 2 3 4 5 6 7...9 10

0x06 0x07 0x4D 0x43 0x43 0x03 0x1C 0x9D 0x3F 0x31 0xF2

Example 3

Reset the gamma value of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0x9D 0x52 0x10

Monitor at address 0.7 (group 0, address 7) has returned the default gamma value “Linear” (which is ASCII “0” with ASCII-code 0x30)

0 1 2 3 4 5 6 7...9 10

0x06 0x07

0x4D 0x43 0x43 0x03 0x1C 0x9D 0x52 0x30 0xE0

Beijer Electronics, MAEN975 35

Command Reference

6.10 MCC_COLOURTEMP (0xB3)

Color Temperature

Sets or queries the current color temperature.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “0”: 9300K

Type: One-digit ASCII-encoded hexadecimal number Length: 1 Description: New color temperature

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the color temperature to an internally predefi ned va lue

Param: QUERY

Value: “?” (0x3F) Type: ASCII character Length: 1 Description: Query the current color temperature

0x4D 0x43 0x43 LEN ICHKH 0xB3 Param ICHKD

“1”: 7300K

“3”: 5000K

“4”: USER

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0xB3 Param Ret ICHKD

Ret

Value: “0”: 9300K

“1”: 7300K

“3”: 5000K

“4”: USER

Type: One-digit ASCII-encoded hexadecimal number Length: 1 Description: Current color temperature

36 Beijer Electronics, MAEN975

Command Reference

Maximum Lr for this Command

Example 1

Set the colour temperature of monitor at address 0.15 (group 0, address 15) to “5000K” (which is ASCII “3” with ASCII-code 0x33):

0 1 2 3 4 5 6 7...8 9

0x07 0x0F

0x4D 0x43 0x43 0x02 0x14 0xB3 0x33 0x19

Monitor at address 0.15 (group 0, address 15) has acknowledged the new colour temperature “5000K” (0x33):

0 1 2 3 4 5 6 7...9 10

0x06 0x0F

0x4D 0x43 0x43 0x03 0x14 0xB3 0x33 0x33 0xE6

Example 2

Query the colour temperature of monitor at address 0.15 (group 0, address 15):

0 1 2 3 4 5 6 7...8 9

0x07 0x0F

0x4D 0x43 0x43 0x02 0x14 0xB3 0x3F 0x0D

Monitor at address 0.15 (group 0, address 15) has returned the colour temperature “5000K” (which is ASCII “3” with ASCII-code 0x33):

0 1 2 3 4 5 6 7...9 10

0x06 0x0F

0x4D 0x43 0x43 0x03 0x14 0xB3 0x33 0x33 0xDA

Beijer Electronics, MAEN975 37

Command Reference

6.11 MCC_REDLEVEL (0xB4)

Red Channel Level

Adjusts the level of the red channel.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: New value for the red channel

Param: INC

V alue: “+” (0x2B) Type: ASCII character Length: 1 Description: Increment the current value of the red channel

Param: DEC

V alue: “-” (0x2D) Type: ASCII character Length: 1 Description: Decrement the current value of the red channel

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the valu e of the red channel to an internally

Param: QUERY

Value: “?” (0x3 F) Type: ASCII character Length: 1 Description: Query the current value of the red channel

0x4D 0x43 0x43 LEN ICHKH 0xB4 Param ICHKD

predefined value

38 Beijer Electronics, MAEN975

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0xB4 Param Ret ICHKD

Ret

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: Current value of the red channel

Maximum Lr for this Command

Example 1

Set the red channel level of monitor at address 0.7 (group 0, address 7) to 190 (the hexadecimal value of 190 is 0xBE, which is represented in ASCII as “BE” and split into two ASCII codes as 0x42 0x45):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0xB4 0x42 0x45 0xC4

Monitor at address 0.7 (group 0, address 7) has acknowledged the new red channel level 190 (0xBE):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0xB4 0x42 0x45 0x42 0x45 0x3D

Example 2

Query the current red channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB4 0x3F 0x0C

Monitor at address 0.7 (group 0, address 7) has returned the current red channel level 190 (0xBE):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB4 0x3F 0x42 0x45 0x85

Beijer Electronics, MAEN975 39

Command Reference

Example 3

Decrement the current red channel level of monitor at address 0.7 (group 0, address

7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB4 0x2D 0x1E

Monitor at address 0.7 (group 0, address 7) has returned the new red channel level 189 (0xBD):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB4 0x2D 0x42 0x44 0x98

Example 4

Reset the red channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0xB4 0x52 0xF9

Monitor at address 0.7 (group 0, address 7) has returned the default red channel level 128 (0x80):

0 1 2 3 4 5 6 7...10 11

0x06 0x07 0x4D 0x43 0x43 0x04 0x1B 0xB4 0x53 0x38 0x30 0x91

40 Beijer Electronics, MAEN975

Command Reference

6.12 MCC_GREENLEVEL (0xB5)

Green Channel Leve l

Adjusts the level of the green channel.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: New value for the green channel

Param: INC

Value: “+” (0x2B) Type: ASCII character Length: 1 Description: Increment the current value of the green channel

Param: DEC

Value: “-” (0x2D) Type: ASCII character Length: 1 Description: Decrement the current value of the green channel

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the value of the green channel to an internally

Param: QUERY

Value: “?” (0x3F) Type: ASCII character Length: 1 Description: Query the current value of the green channel

0x4D 0x43 0x43 LEN ICHKH 0xB5 Param ICHKD

predefined value

Beijer Electronics, MAEN975 41

Command Reference

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0xB5 Param Ret ICHKD

Ret

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: Current value of the green channel

Maximum Lr for this Command

Example 1

Set the green channel level of monitor at address 0.7 (group 0, address 7) to 190 (the hexadecimal value of 190 is 0xBE, which is represented in ASCII as “BE” and split into two ASCII codes as 0x42 0x45):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0xB5 0x42 0x45 0xC3

Monitor at address 0.7 (group 0, address 7) has acknowledged the new green channel level 190 (0xBE):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0xB5 0x42 0x45 0x42 0x45 0x3C

Example 2

Query the current green channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB5 0x3F 0x0B

Monitor at address 0.7 (group 0, address 7) has returned the current green channel level 190 (0xBE):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB5 0x3F 0x42 0x45 0x84

42 Beijer Electronics, MAEN975

Command Reference

Example 3

Increment the current green channel level of monitor at address 0.7 (group 0, address

7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB5 0x2B 0x1F

Monitor at address 0.7 (group 0, address 7) has returned the new green channel level 191 (0xBD):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB5 0x2B 0x42 0x46 0x97

Example 4

Reset the green channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0xB5 0x52 0xF8

Monitor at address 0.7 (group 0, address 7) has returned the default green channel level 128 (0x80):

0 1 2 3 4 5 6 7...10 11

0x06 0x07 0x4D 0x43 0x43 0x04 0x1B 0xB5 0x52 0x38 0x30 0x90

Beijer Electronics, MAEN975 43

Command Reference

6.13 MCC_BLUELEVEL (0xB6)

Blue Channel Level

Adjusts the level of the blue channel.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

Param: ABSOLUTE

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: New value for the blue channel

Param: INC

V alue: “+” (0x2B) Type: ASCII character Length: 1 Description: Increment the current value of the blue channel

Param: DEC

V alue: “-” (0x2D) Type: ASCII character Length: 1 Description: Decrement the current value of the blue channel

Param: RESET

Value: “R” or “r” (0x52 or 0x72) Type: ASCII character Length: 1 Description: Reset the va lu e of the blue channel to an internally

Param: QUERY

Value: “?” (0x3 F) Type: ASCII character Length: 1 Description: Query the current value of the blue channel

0x4D 0x43 0x43 LEN ICHKH 0xB6 Param ICHKD

predefined value

44 Beijer Electronics, MAEN975

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4D 0x43 0x43 LEN ICHKH 0xB6 Param Ret ICHKD

Ret

Value: “00”: low...“FF”: high Type: Two-digit ASCII-encoded hexadecimal number Length: 2 Description: Current value of the blue channel

Maximum Lr for this Command

Example 1

Set the blue channel level of monitor at address 0.7 (group 0, address 7) to 190 (the hexadecimal value of 190 is 0xBE, which is represented in ASCII as “BE” and split into two ASCII codes as 0x42 0x45):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4D 0x43 0x43 0x03 0x1B 0xB6 0x42 0x45 0xC2

Monitor at address 0.7 (group 0, address 7) has acknowledged the new blue channel level 190 (0xBE):

0 1 2 3 4 5 6 7...11 12

0x06 0x07

0x4D 0x43 0x43 0x05 0x1A 0xB6 0x42 0x45 0x42 0x45 0x3B

Example 2

Query the current blue channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB6 0x3F 0x0A

Monitor at address 0.7 (group 0, address 7) has returned the current green channel level 190 (0xBE):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB6 0x3F 0x42 0x45 0x83

Beijer Electronics, MAEN975 45

Command Reference

Example 3

Decrement the current blue channel level of monitor at address 0.7 (group 0, address

7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4D 0x43 0x43 0x02 0x1C 0xB6 0x2D 0x1F

Monitor at address 0.7 (group 0, address 7) has returned the new blue channel level 189 (0xBD):

0 1 2 3 4 5 6 7...10 11

0x06 0x07

0x4D 0x43 0x43 0x04 0x1B 0xB6 0x2D 0x42 0x44 0x96

Example 4

Reset the blue channel level of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4D 0x43 0x43 0x02 0x1C 0xB6 0x72 0xD7

Monitor at address 0.7 (group 0, address 7) has returned the default blue channel level 128 (0x80):

0 1 2 3 4 5 6 7...10 11

0x06 0x07 0x4D 0x43 0x43 0x04 0x1B 0xB6 0x72 0x38 0x30 0x6F

46 Beijer Electronics, MAEN975

6.14 TYP

Unit Type and Model Number

Queries the monitor type and model.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6

Command Reference

0x07 ADR

0x54 0x59 0x50 0x01 ICHKH

(This command has no data)

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x54 0x59 0x50 LEN ICHKH Type/Model ICHKD

Type/Model

Value: ASCII characters Type: String Length: 1...15 Description: Monitor type and model

Response Message (Negative Acknowledge)

0 1 2 3 4 5 6

0x15 ADR

0x54 0x59 0x50 0x00 ICHKH

(No data is returned, in case of a negative acknowledge)

Maximum Lr for this Command

Example

Query the unit type and model of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6

0x07 0x07 0x54 0x59 0x50 0x00 0xF4

According to the data returned by the monitor at address 0.7 (group 0, address 7), this is a Beijer Electronics Nautic Monitor:

0 1 2 3 4 5 6 7-20

0x06 0x07 0x54 0x59 0x50 0x0E 0xE7 0x4D 0x54 0x32 0x32

7-20 21

0x33 0x20 0x4E 0x41 0x56 0x2D 0x32 0x33 0x30 0x47 0xB9

Beijer Electronics, MAEN975 47

Command Reference

6.15 ETC

Elapsed Time Counter

Queries the total operation time in hours. Internally, each monitor is equipped with a software counter, which counts the full number of operation hours. The counter value is limited to 298261, which is equivalent to approximately 34 years of operation time. After this time, each monitor returns always the maximum value. The counter is incremented only, if the monitor was powered on one full hour without interruption. If the monitor is powered off prior one full hour, the counter will remain at its last value.

Supported since Firmware Version

MT230 Nautic Monitor: 1.2-C118

Command Stream

0 1 2 3 4 5 6

0x07 ADR

0x45 0x54 0x43 0x00 ICHKH

(This command has no data)

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR 0x45 0x54 0x43 0x03 ICHKH Hours ICHKD

Hours

Value: 0 … 298261 Type: Byte Array Length: 3 Description: Number of hours. The most significant byte is transmitted first

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6

0x15 ADR

0x45 0x54 0x43 0x00 ICHKH

(No data is returned, in case of a negative acknowledge)

Maximum Lr for this Command

48 Beijer Electronics, MAEN975

Command Reference

Example

Query the total operation time in hours of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6

0x07 0x07

0x45 0x54 0x43 0x00 0x15

The monitor at address 0.7 (group 0, address 7) has returned “0x00 0x00 0x9C”, which indicates that the monitor was used 156 hours:

0 1 2 3 4 5 6 7...9 10

0x06 0x07

0x45 0x54 0x43 0x03 0x13 0x00 0x00 0x9C 0x63

Beijer Electronics, MAEN975 49

Command Reference

6.16 LAU

Lauer Extension

The Lauer Extension is a new SCOM command specially developed for Beijer Electronics Nautic Monitors. It extends the standard SCOM command set with more powerful functions, which add special remote configuration, controlling and status capabilities to each device.

Like the MCC command, the LAU command is a container for specific subcommands and their parameters. They are encapsulated within the DATA field of the command stream. In contrast to standard SCOM commands, a message returned in a response to Lauer Extension command does not always contain the command itself. This means, a response message may contain the same data for different commands. Therefore, a response message should be processed immediately, after the command is sent.

The LAU command exposes the capabilities of a monitor model through SCOM. While there is a base set of sub-commands, which are always supported on each monitor model, there are also sub-commands, which may expose the special capabilities of a device, not available on other models.

The full LAU sub-command set is divided into three functional groups:

Group Purpose

CONFIGURATION Allows to query for or change the current device configuration. CONTROL Intended to control a device or its hardware extensions, such as

buzzer, I/Os etc., during operation.

STATUS Used to query for the current device or hardware extension status,

such as IP address, buzzer state, analog/digital inputs etc.

For any LAU sub-command, the following command and response streams are generally common:

Command Stream

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x07 ADR

SCMD

FNC

SCMD

0x4C 0x41 0x55 LEN ICHKH SCMD FNC Param ICHKD

Sub-command (group)

Individual function in a group

Parameter for the function (optional)

50 Beijer Electronics, MAEN975

Command Reference

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Ret

Data returned by the monitor, if available

The following sections describe all supported LAU sub-commands in each functional group in the order CONFIGURATION, CONTROL and STATUS.

Beijer Electronics, MAEN975 51

Command Reference

6.17 LAU_CONFIG_GETFWVERSION (0x0101)

Firmware Version

Returns the current firmware name and version including build date.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x01 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR 0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Ret

Value: ASCII character s Type: String Length: 1...74 Description: ASCII-string containing firmware version information

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the firmware version from monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x01 0xFD

According to the data returned by the monitor at address 0.7 (group 0, address 7), the firmware version is “1.2-C118 [Build Nov 18 2008, 15:31:53]”:

0 1 2 3 4 5 6 7...44

0x06 0x07

0x43 0x31 0x31 0x38 0x20 0x5B 0x42 0x75 0x69 0x6C 0x64 0x20

0x4E 0x6F 0x76 0x20 0x31 0x38 0x20 0x32 0x30 0x30 0x38 0x2C

0x4C 0x41 0x55 0x26 0xEA 0x31 0x2E 0x32 0x2D

7...44

7...44 45

0x20 0x31 0x35 0x3A 0x33 0x31 0x3A 0x35 0x33 0x5D 0xE4

52 Beijer Electronics, MAEN975

Command Reference

6.18 LAU_CONFIG_GETHOSTNAME (0x0102)

Host Name

Returns the network name of the monitor. The network must support the WINS protocol for name resolution, to access the monitor using its name.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x02 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Ret

0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Value: ASCII characters Type: String Length: 1...8 Description: ASCII-string containing the host name

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the network host name of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x02 0xFC

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s host name is “LAU0001”:

0 1 2 3 4 5 6 7...13 14

0x06 0x07

Beijer Electronics, MAEN975 53

0x4C 0x41 0x55 0x07 0x09 0x4C 0x41 0x55 0x30 0x30 0x30 0x31 0x5C

Command Reference

6.19 LAU_CONFIG_GETIFNAME (0x0103)

Internal Network Interface Name

Returns the internal network interface name.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x03 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Ret

0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Value: ASCII character s Type: String Length: 0...8 Description: ASCII-string containing the network interface name

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the internal network interface name of monitor at address 0.7 (group 0, address

7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x03 0xFB

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s internal network interface is named “eth0”:

0 1 2 3 4 5 6 7...10 11

0x06 0x07

54 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x04 0x0C 0x65 0x74 0x68 0x30 0x8E

Command Reference

6.20 LAU_CONFIG_GETMACADR (0x0104)

MAC (Ethernet) Address

Returns the MAC (Ethernet) address of the network interfaces.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x04 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...12 13

0x06 ADR

Ret

0x4C 0x41 0x55 0x06 ICHKH Ret ICHKD

Value: 0...255 each byte Type: Byte array Length: 6 Description: The 6 byte MAC address, where the first byte is the highest

address field

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the MAC (Ethernet) address of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x04 0xFA

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s MAC address is 00-30-AC-10-00-01:

0 1 2 3 4 5 6 7...12 13

0x06 0x07

Beijer Electronics, MAEN975 55

0x4C 0x41 0x55 0x06 0x0A 0x00 0x30 0xAC 0x10 0x00 0x01 0x12

Command Reference

6.21 LAU_CONFIG_GETIPADR (0x0105)

Static IP Address

Returns the configured static IP address, which is used, if no DHCP server is available.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x05 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...10 11

0x06 ADR 0x4C 0x41 0x55 0x04 ICHKH Ret ICHKD

Ret

Value: 0...255 each byte Type: Byte array Length: 4 Description: IP address, where the first byte is the highest address field

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the static IP-address of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x05 0xF9

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s static IP-address is 192.168.0.1:

0 1 2 3 4 5 6 7...10 11

0x06 0x07

56 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x04 0x0C 0xC0 0xA8 0x00 0x01 0x96

Command Reference

6.22 LAU_CONFIG_GETIPMASK (0x0106)

Subnet Mask

Returns the configured static subnet mask, which is used, if no DHCP server is available.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x06 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...10 11

0x06 ADR 0x4C 0x41 0x55 0x04 ICHKH Ret ICHKD

Ret

Value: 0...255 each byte Type: Byte array Length: 4 Description: Subnet mask, where the first byte is the highest mask field

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the static IP subnet mask of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x06 0xF8

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s static IP subnet mask is 255.255.255.0:

0 1 2 3 4 5 6 7...10 11

0x06 0x07

Beijer Electronics, MAEN975 57

0x4C 0x41 0x55 0x04 0x0C 0xFF 0xFF 0xFF 0x00 0x02

Command Reference

6.23 LAU_CONFIG_GETGWADR (0x0107)

Gateway Address

Returns the configured static gateway IP address. Currently, the gateway address is not used and internally set to 0.0.0.0.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x07 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...10 11

0x06 ADR 0x4C 0x41 0x55 0x04 ICHKH Ret ICHKD

Ret

Value: 0...255 each byte Type: Byte array Length: 4 Description: Gateway IP address, where the first byte is the highest

address field

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the static gateway IP-address of monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x07 0xF7

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor’s static gateway IP-address is 0.0.0.0:

0 1 2 3 4 5 6 7...10 11

0x06 0x07 0x4C 0x41 0x55 0x04 0x0C 0x00 0x00 0x00 0x00 0xFF

58 Beijer Electronics, MAEN975

Command Reference

6.24 LAU_CONFIG_GETDHCPMODE (0x0108)

DHCP Mode

Returns the DHCP mode. The DHCP mode indicates, whether the monitor should communicate with a DHCP server to dynamically get an IP address. If a DHCP server should be used, but there is no server or free IP addresses available, the configured static IP address is used. This is also true, if no DHCP server should be used.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x08 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0x00: Monitor is configured not to use a DHCP server

0x01: Monitor is configured to use a DHCP server

Type: Byte Length: 1 Description: Indicates whether the monitor should use a DHCP server

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Check, whether the monitor at address 0.7 (group 0, address 7) should use a DHCP server to get an IP-address:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x08 0xF6

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor uses a DHCP server, if available:

0 1 2 3 4 5 6 7 8

0x06 0x07

Beijer Electronics, MAEN975 59

0x4C 0x41 0x55 0x01 0x0F 0x01 0xFE

Command Reference

6.25 LAU_CONFIG_GETDHCPTIMEOUT (0x0109)

DHCP Timeout

Returns the DHCP timeout value in milliseconds. If the monitor is configured to use a DHCP server to dynamically get an IP address, this value determines the time, in which a DHCP server must assign an IP address to the monitor. After the time is elapsed, the configured static IP address is used.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x09 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...8 9

0x06 ADR

Ret

Value: 0...65535 Type: Unsigned short Length: 2 Description: Timeout value in milliseconds, where the first byte is LSB

0x4C 0x41 0x55 0x02 ICHKH Ret ICHKD

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Query the time, for which the monitor at address 0.7 (group 0, address 7) will wait to get an IP-address from a DHCP server, before using the static IP-address:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x09 0xF5

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor will wait 10000 (0x2710) ms for a DHCP server to get an IP-address, before using the static IP-address:

0 1 2 3 4 5 6 7...8 9

0x06 0x07

60 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x02 0x0E 0x10 0x27 0xC8

Command Reference

6.26 LAU_CONFIG_GETUDPRCVPORT

(0x010A)

UDP Receive P ort

All Beijer Electronics Nautic Monitors use two UDP ports for sending and receiving SCOM command and response messages within UDP packets. This setting returns the port number used to receive UDP packets.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0A ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...8 9

0x06 ADR 0x4C 0x41 0x55 0x02 ICHKH Ret ICHKD

Ret

Value: 0...65535 Type: Unsigned short Length: 2 Description: UDP port number for receiving data, where the first byte i s LSB

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the UDP port number used by the monitor at address 0.7 (group 0, address 7) to receive data:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x0A 0xF4

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor uses port 10000 (0x2710) for receiving data:

0 1 2 3 4 5 6 7...8 9

0x06 0x07

Beijer Electronics, MAEN975 61

0x4C 0x41 0x55 0x02 0x0E 0x10 0x27 0xC8

Command Reference

6.27 LAU_CONFIG_GETUDPSNDPORT (0x010B)

UDP Send P ort

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0B ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...8 9

0x06 ADR 0x4C 0x41 0x55 0x02 ICHKH Ret ICHKD

Ret

Value: 0...65535 Type: Unsigned short Length: 2 Description: UDP port number for sending data, where the first byte is LSB

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the UDP port number used by the monitor at address 0.7 (group 0, address 7) to send data:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x0B 0xF3

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor uses port 10001 (0x2711) for sending data:

0 1 2 3 4 5 6 7...8 9

0x06 0x07

62 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x02 0x0E 0x11 0x27 0xC7

Command Reference

6.28 LAU_CONFIG_GETMANUFACTURER

(0x010C)

Manufacturer

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0C ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Ret

0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Value: ASCII characters Type: String Length: 0...7 Description: ASCII-string containing the manufacturer ID

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Query the manufacturer ID of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x0C 0xF2

The monitor at address 0.7 (group 0, address 7) has returned “0x4C 0x41 0x55”, which represents the ASCII-string “LAU”, indicating that the monitor is manufactured by Beijer Electronics:

0 1 2 3 4 5 6 7...9 10

0x06 0x07

Beijer Electronics, MAEN975 63

0x4C 0x41 0x55 0x03 0x0D 0x4C 0x41 0x55 0x1D

Command Reference

6.29 LAU_CONFIG_GETDEVICENAME (0x010D)

Device Name

Returns the monitor type and model. Actually, this command returns the same value as the standard SCOM command “TYP”.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0D ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...7+[LEN]-1 7+[LEN]

0x06 ADR

Ret

0x4C 0x41 0x55 LEN ICHKH Ret ICHKD

Value: ASCII character s Type: String Length: 0...15 Description: Monitor type and model

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Query the unit type and model of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x0D 0xF1

According to the data returned by the monitor at address 0.7 (group 0, address 7), this is a Beijer Electronics Nautic Monitor:

0 1 2 3 4 5 6 7...20

0x06 0x07

0x33 0x20 0x4E 0x41 0x56 0x2D 0x32 0x33 0x30 0x47 0xB9

64 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x0E 0x02 0x4D 0x54 0x32 0x32

7...20 21

Command Reference

6.30 LAU_CONFIG_GETDILMODE (0x010E)

DIL Switch Mode

For a base configuration, Beijer Electronics Nautic Monitors are equipped with DIL (DIP) switches, where the monitor address and the serial interface mode can be selected. Besides this configuration option, Beijer Electronics Nautic Monitors allow full software configuration, which is stored in an internal flash memory. The software configuration also includes monitor address and serial interface mode setting. The value returned with this command indicates, whether the monitor should use hardware settings selected with the DIL switches, or override the hardware configuration with the appropriate settings from the flash memory.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0E ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0x00: Monitor is configured to use the DIL switch settings

0x01: Monitor is configured to use the software settings

Type: Byte Length: 1 Description: Indicates whether the monitor should the DIL switch settings

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Check, whether the monitor at address 0.7 (group 0, address 7) overrides the DIL settings (i.e. monitor address and serial interface mode):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x0E 0xF0

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor uses DIL settings:

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x00 0xFE

Beijer Electronics, MAEN975 65

Command Reference

6.31 LAU_CONFIG_GETDISPLAYADR (0x010F)

Monitor Address

Returns the software configured monitor address. This address is used, if the monitor is configured to override the DIL (DIP) switch settings. The returned address does not contain group information.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x0F ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...15 (0x00...0x0F) Type: Byte Length: 1 Description: Software configured monitor address

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the software configured monitor address (excluding group) from the monitor at address 14.7 (group 14, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0xE7

0x4C 0x41 0x55 0x02 0x2D 0x01 0x0F 0xEF

According to the data returned by the monitor at address 14.7 (group 14, address 7), the monitors software configured address without group is 0x07:

0 1 2 3 4 5 6 7 8

0x06 0xE7

66 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x2F 0x07 0xF8

Command Reference

6.32 LAU_CONFIG_GETCOMSERMODE

(0x0110)

SCOM Serial Interface Mode

Returns the software configured serial interface mode. The value returned by this functions is used, if the monitor is configured to override the DIL (DIP) switch settings. The serial interface mode indicates the physical type of the serial interface used for the SCOM communication. Available modes are RS232 and RS485. RS232 allows a point-to-point communication, i.e. computer and monitor or monitor and monitor. With RS485, many monitors can be attached to the same physical line and can be controlled by one or more computers, allowing a kind of networking. Limitation is given only by the physical characteristics of the RS485 bus.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x10 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: The serial interface is configured as RS232

Type: Byte Length: 1 Description: Software configured serial interface mode used for SCOM

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: The serial interface is configured as RS485

communication

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Beijer Electronics, MAEN975 67

Command Reference

Example

Get the serial interface configuration of the monitor at address 0.7 (group 0, address

7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x10 0xEE

According to the data returned by the monitor at address 10.7 (group 0, address 7), the serial interface is configured as RS232:

0 1 2 3 4 5 6 7 8

0x06 0x07

0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

68 Beijer Electronics, MAEN975

Command Reference

6.33 LAU_CONFIG_GETCOMBAUD (0x0111)

SCOM Serial Interface Baudrate

Returns the configured baudrate for the SCOM communication over serial interface. While the original SCOM specification defines only one baudrate at 9600 bits/second, Beijer Electronics Nautic Monitors can be configured to use another baudrate than the given default.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x11 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7...10 11

0x06 ADR 0x4C 0x41 0x55 0x04 ICHKH Ret ICHKD

Ret

Value: 300...115200 Type: Unsigned long Length: 4 Description: SCOM serial interface baudrate, where the first byte is LSB

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the serial interface baudrate of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x11 0xED

According to the data returned by the monitor at address 0.7 (group 0, address 7), the serial interface is configured at 9600 bits/s (0x2580):

0 1 2 3 4 5 6 7...10 8

0x06 0x07

Beijer Electronics, MAEN975 69

0x4C 0x41 0x55 0x04 0x0C 0x80 0x25 0x00 0x00 0x5A

Command Reference

6.34 LAU_CONFIG_GETC118BAUD (0x0112)

Internal Video Controller Serial Interface Baudrate

Returns the baudrate of the internal serial interface used to communicate with the video controller.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x12 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...10 11

0x06 ADR

Ret

Value: 300...115200 Type: Unsigned long Length: 4 Description: Video controller interface baudrate, where the first byte is LSB

0x4C 0x41 0x55 0x04 ICHKH Ret ICHKD

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the internal video controller serial interface baudrate of the monitor at address

0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x12 0xEC

According to the data returned by the monitor at address 0.7 (group 0, address 7), the internal video controller serial interface is configured at 19200 bits/s (0x4B00):

0 1 2 3 4 5 6 7...10 8

0x06 0x07

70 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x04 0x0C 0x00 0x4B 0x00 0x00 0xB4

Command Reference

6.35 LAU_CONFIG_GETPOTMODE (0x0113)

POT Mode

Returns the local backlight level control configuration. If the local backlight control is enabled, the backlight level can be changed using the front panel buttons and by remote control (serial or Ethernet interface, analog or digital input). If the local backlight control is disabled, the backlight level cannot be changed using the front panel buttons. It can be still changed by any remote control option. The configured backlight level control can be temporarily overridden by the SCOM command “POT”.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x13 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: Local backlight level control enabled

Type: Byte Length: 1 Description: Local backlight level control mode

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Local backlight level control disabled

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the local backlight level control configuration of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x13 0xEB

According to the data returned by the monitor at address 10.7 (group 0, address 7), the local backlight level control is enabled:

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

Beijer Electronics, MAEN975 71

Command Reference

6.36 LAU_CONFIG_GETECDISMODE (0x0114)

ECDIS Mode

This command returns the configuration for the startup ECDIS mode. ECDIS mode is used to configure the display with a set of default configurations for color and brightness. All Beijer Electronics Nautic Monitors supporting ECDIS mode have a dedicated button on the front panel, to manually enable or disable ECDIS mode, but can also be configured to automatically enter ECDIS mode at power on.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x14 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: Power on ECDIS mode disabled

Type: Byte Length: 1 Description: Power on ECDIS mode

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Power on ECDIS mode enabled

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Get the power on ECDIS mode configuration of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x14 0xEA

According to the data returned by the monitor at address 10.7 (group 0, address 7), the power on ECDIS mode is enabled:

0 1 2 3 4 5 6 7 8

0x06 0x07

72 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

Command Reference

6.37 LAU_CONFIG_GETECDISBACKLIGHT

(0x0115)

ECDIS Default Backlight Level

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the backlight level used to setup the backlight in ECDIS mode.

Note:

The backlight level for ECDIS mode depends on the backlight level value sent with the “BRT” command. Whene ver t he monitor recei ve s a new ba ckli ght level value, it is automatically assumed to be used in the ECDIS mode, too. T his means, if for example the backlight level value 200 is sent, then the backlight level is manually changed to 150, activating the ECDIS mode will reset the backlight level to 200 again.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x15 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0...255 Type: Byte Length: 1 Description: Backlight level used in ECDIS mode

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the backlight level of the monitor at address 0.7 (group 0, address 7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x15 0xE9

According to the data returned by the monitor at address 0.7 (group 0, address 7), the backlight level in ECDIS mode is 255 (0xFF):

0 1 2 3 4 5 6 7 8

0x06 0xE7

Beijer Electronics, MAEN975 73

0x4C 0x41 0x55 0x01 0x0F 0xFF 0x00

Command Reference

6.38 LAU_CONFIG_GETECDISCONTRAST (0x0116)

ECDIS Default Contrast Level

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined contrast level used to setup the video controller in ECDIS mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x16 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...255 Type: Byte Length: 1 Description: Contrast level value used in ECDIS mode

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the predefined contrast level of the monitor at address 0.7 (group 0, address 7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x16 0xE8

According to the data returned by the monitor at address 0.7 (group 0, address 7), the predefined contrast level in ECDIS mode is 64 (0x40):

0 1 2 3 4 5 6 7 8

0x06 0x07

74 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x0F 0x40 0xBF

Command Reference

6.39 LAU_CONFIG_GETECDISCOLOURTEMP

(0x0117)

ECDIS Default Color Temperature

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined color temperature used to setup the video controller in ECDIS mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x17 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0: 9300K

1: 7300K 3: 5000K 4: USER

Type: Byte Length: 1 Description: Color temperature used in ECDIS mode

Maximum Lr for this Command

Example

Read the predefined colour temperature of the monitor at address 0.7 (group 0, address 7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x17 0xFB

According to the data returned by the monitor at address 0.7 (group 0, address 7), the predefined colour temperature in ECDIS mode is “USER” (0x04):

0 1 2 3 4 5 6 7 8

0x06 0x07

Beijer Electronics, MAEN975 75

0x4C 0x41 0x55 0x01 0x0F 0x04 0xFB

Command Reference

6.40 LAU_CONFIG_GETECDISREDVALUE (0x0118)

ECDIS Default Red Channel Value

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined red channel value used to setup the video controller in ECDIS mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x18 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...255 Type: Byte Length: 1 Description: Red channel value used in ECDIS mode

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the predefined red channel value of the monitor at address 0.7 (group 0, address

7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x18 0xE6

According to the data returned by the monitor at address 14.7 (group 14, address 7), the predefined red channel value in ECDIS mode is 128 (0x80):

0 1 2 3 4 5 6 7 8

0x06 0x07

76 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x0F 0x80 0x7F

Command Reference

6.41 LAU_CONFIG_GETECDISGREENVALUE

(0x0119)

ECDIS Default Green Channe l Value

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined green channel value used to setup the video controller in ECDIS mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x19 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...255 Type: Byte Length: 1 Description: Green channel value used in ECDIS mode

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the predefined green channel value of the monitor at address 0.7 (group 0, address 7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x19 0xE5

According to the data returned by the monitor at address 0.7 (group 0, address 7), the predefined green channel value in ECDIS mode is 128 (0x80):

0 1 2 3 4 5 6 7 8

0x06 0x07

Beijer Electronics, MAEN975 77

0x4C 0x41 0x55 0x01 0x0F 0x80 0x7F

Command Reference

6.42 LAU_CONFIG_GETECDISBLUEVALUE (0x011A)

ECDIS Default Blue Channel Value

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined blue channel value used to setup the video controller in ECDIS mode.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1A ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...255 Type: Byte Length: 1 Description: Blue channel value used in ECDIS mode

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the predefined blue channel value of the monitor at address 0.7 (group 0, address 7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x1A 0xE4

According to the data returned by the monitor at address 0.7 (group 0, address 7), the predefined blue channel value in ECDIS mode is 128 (0x80):

0 1 2 3 4 5 6 7 8

0x06 0x07

78 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x0F 0x80 0x7F

Command Reference

6.43 LAU_CONFIG_GETECDISGAMMA

(0x011B)

ECDIS Default Gamma Value

If ECDIS mode is enabled, the backlight and video controller are configured with predefined settings. This command returns the predefined gamma value used to setup the video controller in ECDIS mode.

Note:

On devices based on firmware 1 .0-DSCALE2 , the ECDIS gamma value is not us ed to setup the video controller.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1B ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0...255 Type: Byte Length: 1 Description: Gamma value used in ECDIS mode

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the predefined gamma value of the monitor at address 0.7 (group 0, address

7), which is used in ECDIS mode:

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x1B 0xE3

According to the data returned by the monitor at address 0.7 (group 0, address 7), the predefined gamma value in ECDIS mode is 0 (0x00):

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

Beijer Electronics, MAEN975 79

Command Reference

6.44 LAU_CONFIG_GETREMOTECONTROL (0x011C)

Remote Control Configuration

This command returns the configuration value that indicates whether the monitor is configured to act as a remote controller. Beijer Electronics Nautic Monitors can be used as passive devices, but can also be set up as remote controller devices to alter the backlight level of any other monitor within the network.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1C ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: Remote control capability is disabled

Type: Byte Length: 1 Description: Indicates, whether the monitor is used also as remote controller

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Remote control capability is enabled

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Check if the monitor at address 0.7 (group 0, address 7) is configured to control other devices remotely within a network:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x1C 0xE2

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor is capable to control other devices remotely within a network:

0 1 2 3 4 5 6 7 8

0x06 0x07

80 Beijer Electronics, MAEN975

0x4C 0x41 0x55 0x01 0x0F 0x01 0xFE

Command Reference

6.45 LAU_CONFIG_GETUSEBROADCAST

(0x011D)

Remote Control B roadcast Mode

If a Beijer Electronics Nautic Monitor is configured as remote controller, this configuration defines the used address mode. If the remote control broadcast mode is enabled, the monitor uses the broadcast address 0xFF in the address field, so all monitors within the network can be controlled simultaneously. Individual remote control addressing is ignored, if this mode is enabled.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1D ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: Remote control broadcast mode is disabled

Type: Byte Length: 1 Description: Remote control broadcast mode

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Remote control broadcast mode is enabled

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Check if the monitor at address 0.7 (group 0, address 7) uses the broadcast address 0xFF, if it is used as remote controller:

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x1D 0xE1

According to the data returned by the monitor at address 0.7 (group 0, address 7), it does not use the broadcast address 0xFF, if remote controlling is enabled. Instead, it uses configured device addresses:

0 1 2 3 4 5 6 7 8

0x06 0x07

Beijer Electronics, MAEN975 81

0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

Command Reference

6.46 LAU_CONFIG_GETADDRESSLIST (0x011E)

Remote Control Address List

If a Beijer Electronics Nautic Monitor is configured as remote controller, this command returns the addresses of monitors which should be controlled remotely. The address list is returned as a bit field with 16 bits, enabling a total number of 16 monitors to be controlled remotely. A Beijer Electronics Nautic Monitor always addresses the monitors within its own group, starting with the lowest address. The group bits are added automatically to the address field, before the command is sent.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1E ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...8 8

0x06 ADR 0x4C 0x41 0x55 0x02 ICHKH Ret ICHKD

Ret

Value: 0...65535 Type: Unsigned short Length: 2 Description: Bit field containing the address list, where the first byte is

LSB. Each bit corresponds to one monitor address. Bi t 0 specifies a monitor at address 0 and bit 15 a monitor at address 15. If a bit is set (1), the corresponding monitor will be controlled remotely.

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

82 Beijer Electronics, MAEN975

Command Reference

Example

Get the list of device addresses from the monitor at address 0.7 (group 0, address 7), which are used to control other devices within its own group in a network, if the broadcast mode is disabled:

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x1E 0xE0

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitors at following addresses will be remote controlled, if remote controlling is enabled and no broadcast address is used: 0.0, 0.3, 0.11 and 0.15 (group 0, addresses 0, 3,11 and 15) (0x8809):

0 1 2 3 4 5 6 7...8 8

0x06 0x07

0x4C 0x41 0x55 0x02 0x0E 0x09 0x88 0xFF

Beijer Electronics, MAEN975 83

Command Reference

6.47 LAU_CONFIG_GETANALOGTOBRT (0x011F)

Analog to Brightness Routing Mode

Some Beijer Electronics Nautic Monitor models are equipped with an expansion port, where an analog potentiometer or a variable voltage can be connected, to control the backlight level of the monitor. This command returns the configuration of the analog input port usage. If the analog port control is enabled, the backlight level cannot be changed using the front panel keys, digital input or SCOM commands.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x1F ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00: Routing from analog input to backlight level control disabled

Type: Byte Length: 1 Description: Configuration of the analog input port usage

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Routing from analog input to backlight level control enabled

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Check whether the monitor at address 0.7 (group 0, address 7) is configured to use the analog input for setting the backlight level:

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x1F 0xDF

According to the data returned by the monitor at address 0.7 (group 0, address 7), the monitor does not use analog input for backlight level control:

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

84 Beijer Electronics, MAEN975

Command Reference

6.48 LAU_CONFIG_GETLCDCONTROLDISABLE

(0x0120)

Video Controller Control Mode

This command returns the state of the OSD (video controller) keys (i.e. <MENU>, <SET>, <UP>, <DOWN>). If the OSD keys are enabled, the OSD menu can be used to configure the video controller. If the keys are disabled, only the ECDIS mode and backlight level can be altered using the front panel keys.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x20 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0x00: OSD keys are enabled

0x01: OSD keys are disabled

Type: Byte Length: 1 Description: OSD (video controller) keys configuration

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the OSD keys configuration for the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x20 0xDE

According to the data returned by the monitor at address 0.7 (group 0, address 7), the OSD keys are enabled:

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x01 0xFE

Beijer Electronics, MAEN975 85

Command Reference

6.49 LAU_CONFIG_GETDINCONFIG (0x0121)

Digital Input Configuration

Some Beijer Electronics Nautic Monitor models are equipped with an expansion port with digital I/O. The digital I/O pins can be used for remote control with a PLC etc., by assigning predefined commands to the port. This command returns the command assigned to the digital I/O port. The digital I/O control has the same priority as SCOM commands or manual control, because only a pin level change triggers the command.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x21 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0x00:Command “No opera tion”

Type: Byte Length: 1 Description: Command assigned to the digital I/O port.

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

0x01: Command “Set brightness” 0x02: Command “Special functions 1” 0x03: Command “Special functions 2”

The commands are specified as follows:

No operation

No function assigned to the digital input pins.

Set brightness

Input bits 0…2: Eight predefined backlight level values.

These values can be configured.

Special functions 1

Input bits 0…1: Route the value of input pins 0 and 1 to

the output pins 0 and 1.

Input bit 2: 1: Enable analog input to backlight level

control routing.

0: Disable analog input to back light level

control routing.

Special functions 2 Input bit 0: 1: Enable ECDIS mode.

0: Disable ECDIS mode.

Input bit 1: 1: Enable POT mode.

0: Disable POT mode.

Input bit 2: 1: Disable OSD (video controller) keys.

0: Enable OSD (video controller) keys.

Response Message (Negati v e Ack n owl ed g e)

86 Beijer Electronics, MAEN975

Command Reference

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the digital input port configuration for the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x21 0xDD

According to the data returned by the monitor at address 0.7 (group 0, address 7), command “Special functions 1” is assigned to the digital input port:

0 1 2 3 4 5 6 7 8

0x06 0x07

0x4C 0x41 0x55 0x01 0x0F 0x02 0xFD

Beijer Electronics, MAEN975 87

Command Reference

6.50 LAU_CONFIG_GETBRTRANGEDELTAM (0x0122)

Backlight Level Down Range

By default, the backlight level of a Beijer Electronics Nautic Monitor can be changed within the full range of 0 to 255 steps by using the front panel keys. To allow the backlight level change within a limited range, a delta value can be defined. The delta value sets the upper and lower backlight level range limits relative to the ECDIS backlight value (which is set by the SCOM command “BRT”). Normally, upper and lower range limits are defined as 255 for full range support. The value returned by this command is the lower range limit relative to the ECDIS backlight level.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x22 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0...255 Type: Byte Length: 1 Description: Lower backlight level range limit relative to the ECDIS

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

backlight level

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

88 Beijer Electronics, MAEN975

Command Reference

Example

Read the lower backlight level range limit configuration for the monitor at address

0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x22 0xDC

According to the data returned by the monitor at address 0.7 (group 0, address 7), the lower backlight level range limit is 0 (0x00). This means, the user cannot adjust the backlight level lower than the ECDIS backlight level, using the front panel key:

0 1 2 3 4 5 6 7 8

0x06 0x07

0x4C 0x41 0x55 0x01 0x0F 0x00 0xFF

Beijer Electronics, MAEN975 89

Command Reference

6.51 LAU_CONFIG_GETBRTRANGEDELTAP (0x0123)

Backlight Level Up Range

By default, the backlight level of a Beijer Electronics Nautic Monitor can be changed within the full range of 0 to 255 steps by using the front panel keys. To allow the backlight level change within a limited range, a delta value can be defined. The delta value sets the upper and lower backlight level range limits relative to the ECDIS backlight value (which is set by the SCOM command “BRT”). Normally, upper and lower range limits are defined as 255 for full range support. The value returned by this command is the upper range limit relative to the ECDIS backlight level.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x23 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7 8

0x06 ADR

Ret

Value: 0...255 Type: Byte Length: 1 Description: Upper backlight level range limit relative to the ECDIS

0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

backlight level

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

90 Beijer Electronics, MAEN975

Command Reference

Example

Read the upper backlight level range limit configuration for the monitor at address

0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07

0x4C 0x41 0x55 0x02 0x0D 0x01 0x23 0xDB

According to the data returned by the monitor at address 0.7 (group 0, address 7), the upper backlight level range limit is 255 (0x00), allowing full range backlight level adjustment between the ECDIS backlight level and the maximum possible backlight level:

0 1 2 3 4 5 6 7 8

0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0xFF 0x00

Beijer Electronics, MAEN975 91

Command Reference

6.52 LAU_CONFIG_GETSERIALNUMBER (0x0125)

Serial Number

Returns the serial number of the device. By default, the returned two serial number bytes and the two last bytes of the MAC (Ethernet) address are equal.

Supported since Firmware Version

MT230 Nautic Monitor: 1.2-C118

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x01 0x25 ICHKD

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...8 8

0x06 ADR

Ret

Value: 0...65535 Type: Unsigned short Length: 2 Description: The unique serial number

0x4C 0x41 0x55 0x02 ICHKH Ret ICHKD

Response Message (Negati v e Ack n owl ed g e)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the serial number of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...8 9

0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x25 0xD9

According to the data returned by the monitor at address 0.7 (group 0, address 7), its serial number is 1 (0x0001):

0 1 2 3 4 5 6 7...8 8

0x06 0x07 0x4C 0x41 0x55 0x02 0x0E 0x01 0x00 0xFE

92 Beijer Electronics, MAEN975

Command Reference

6.53 LAU_CONFIG_GETDISPLAYGROUP

(0x0127)

Monitor Group

Besides the standard addressing scheme, where the lowest four address bits in field ADR are used to address a total count of 16 monitors in a network, the Beijer Electronics Nautic Monitors use also the upper four bits, that indicate a group of monitors in a network (max. 14 groups). The monitor grouping is activated, if the software configured monitor address is used (i.e. the DIL/DIP switch settings are ignored). This function returns the configured group that the monitor belongs to.

Supported since Firmware Version

MT230 Nautic Monitor: 1.2-C118

Command Stream

0 1 2 3 4 5 6 7...8 9

0x07 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x01 0x27 ICHKD

Response Message (Acknowledge)

0 1 2 3 4 5 6 7 8

0x06 ADR 0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD

Ret

Value: 0...14 Type: Byte Length: 1 Description: Configured display group

Response Message (Negative Acknowledge)

Under normal operation conditions, a device never sends a negative acknowledge in response to this command.

Maximum Lr for this Command

Example

Read the software configured display group from the monitor at address 14.7 (group 14, address 7), which is effective, if the DIL switch settings are ignored:

0 1 2 3 4 5 6 7...8 9

0x07 0xE7

0x4C 0x41 0x55 0x02 0x2D 0x01 0x27 0xD7

According to the data returned by the monitor at address 14.7 (group 14, address 7), the monitor belongs to display group 14 (0x0E), if the DIL switch settings are ignored:

0 1 2 3 4 5 6 7 8

0x06 0xE7 0x4C 0x41 0x55 0x01 0x2F 0x0E 0xF1

Beijer Electronics, MAEN975 93

Command Reference

6.54 LAU_CONTROL_ECDISMODE (0x0201)

ECDIS Mode Control

This control command activates or deactivates ECDIS mode. It has the same effect as using the front panel ECDIS-key or digital input control. The setting is temporary, and does not change the startup ECDIS mode configuration.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...9 10

0x07 ADR

Param

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x01 Param ICHKD

Value: 0x00: Disable E CDIS mode

0x01: Enable ECDIS mode Type: Byte Length: 1 Description: ECDIS mode

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR

Ret

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x01 Ret ICHKD

Value: 0x00: ECDIS mode disabled

0x01: ECDIS mode enabled Type: Byte Length: 1 Description: Current ECDIS mode

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6 7...8 8

0x15 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x02 0x01 ICHKD

Under normal operation conditions, a negative acknowledge message does not contain any status data in response to this command. This response message is only sent, if there is insufficient data in the command stream.

Maximum Lr for this Command

94 Beijer Electronics, MAEN975

Command Reference

Example

Read the ECDIS mode of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07 0x4C 0x41 0x55 0x03 0x0C 0x02 0x01 0x01 0xFB

The monitor at address 0.7 (group 0, address 7) acknowledged the new ECDIS mode:

0 1 2 3 4 5 6 7...9 10

0x06 0x07 0x4C 0x41 0x55 0x03 0x0D 0x02 0x01 0x01 0xFB

Beijer Electronics, MAEN975 95

Command Reference

6.55 LAU_CONTROL_BUZZER (0x0202)

Buzzer Control

Activates the built-in buzzer, if available.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...9 10

0x07 ADR

Param

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x02 Param ICHKD

Value: 0x00: Disable buzzer

0x01: Enable buzzer Type: Byte Length: 1 Description: Buzzer control

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR

Ret

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x02 Ret ICHKD

Value: 0x00: Buzzer disabled

0x01: Buzzer enabled Type: Byte Length: 1 Description: Current buzzer state

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6 7...8 9

0x15 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x02 0x02 ICHKD

Maximum Lr for this Command

96 Beijer Electronics, MAEN975

Command Reference

Example

Enable the buzzer of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07 0x4C 0x41 0x55 0x03 0x0C 0x02 0x02 0x01 0xFA

The monitor at address 0.7 (group 0, address 7) acknowledged that the buzzer is enabled:

0 1 2 3 4 5 6 7...9 10

0x06 0x07 0x4C 0x41 0x55 0x03 0x0D 0x02 0x02 0x01 0xFA

Beijer Electronics, MAEN975 97

Command Reference

6.56 LAU_CONTROL_DIGITALOUT (0x0203)

Digital Output Control

Sets the output pin state of the digital I/O port, if available.

Note:

On some devices, the output port bit 0 is internally wired to the buzzer. Setting this bit will activate also the buzzer. In turn, enabling the buzzer with command LAU_CONTROL_BUZZER will also set output port bit 0.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...9 10

0x07 ADR 0x4C 0x41 0x55 0x03 ICHKH 0x02 0x03 Param ICHKD

Param

Value: Bit 0: 0: Clear output port bit 0 (disable buzzer)

1: Set output port bit 0 (enable buzzer)

Bit 1: 0: Clear output port bit 1

1: Set output port bit 1

Bit 2...7: unused Type: Byte Length: 1 Description: Digital I/O output port control

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR

Ret

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x03 Ret ICHKD

Value: Bit 0: 0: Output port bit 0 cleared (buzzer disabled)

1: Output port bit 0 set (buzzer enabled)

Bit 1: 0: Output port bit 1 cleared

1: Output port bit 1 set

Bit 2...7: unused Type: Byte Length: 1 Description: Digital I/O output port state

98 Beijer Electronics, MAEN975

Command Reference

Response Message (Negative Acknowledge)

0 1 2 3 4 5 6 7...8 9

0x15 ADR 0x4C 0x41 0x55 0x02 ICHKH 0x02 0x03 ICHKD

Maximum Lr for this Command

Example

Set digital port output bit 1 of the monitor at address 0.7 (group 0, address 7):

0 1 2 3 4 5 6 7...9 10

0x07 0x07

0x4C 0x41 0x55 0x03 0x0C 0x02 0x03 0x02 ICHKD

The monitor at address 0.7 (group 0, address 7) acknowledged, that the requested digital port output bit is set:

0 1 2 3 4 5 6 7...9 10

0x06 0x07

0x4C 0x41 0x55 0x03 0x0D 0x02 0x03 0x02 0xF8

Beijer Electronics, MAEN975 99

Command Reference

6.57 LAU_CONTROL_ANALOGTOBRT (0x0204)

Analog to Brightness Routing Control

This command activates or deactivates the backlight level control using the analog input. The setting is temporary, and does not change the startup analog port usage.

Supported since Firmware Version

MT230 Nautic Monitor: 1.0

Command Stream

0 1 2 3 4 5 6 7...9 10

0x07 ADR

Param

0x4C 0x41 0x55 0x03 ICHKH 0x02 0x04 Param ICHKD

Value: 0x00: Disable routing from analog input to backlight level

control 0x01: Enable routing from anal o g i nput to b acklight level

control Type: Byte Length: 1 Description: Analog input port usage

Response Message (Ack n o wledge)

0 1 2 3 4 5 6 7...9 10

0x06 ADR 0x4C 0x41 0x55 0x03 ICHKH 0x02 0x04 Ret ICHKD

Ret

Value: 0x00: Routing from analog input to backlight level control

disabled

0x01: Routing from analog input to backlight level control

enabled Type: Byte Length: 1 Description: Current analog input port usage

Response Message (Negati v e Ack n owl ed g e)

0 1 2 3 4 5 6 7...8 9

0x15 ADR

0x4C 0x41 0x55 0x02 ICHKH 0x02 0x04 ICHKD

100 Beijer Electronics, MAEN975

Beijer Electronics SCOM Protocol User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Foreword

1 Interface Configuration

2 Ethernet Communication

TCP/IP

HTTP

WINS

Sample Application

3 Message Format and Description

4 Monitor Addressing

5 Protocol Description and Timings

Conditions for Response Message

6 Command Reference

6.1 BRT

Backlight Brightness

6.2 MAN

Manufacturer ID

6.3 VER

Unit ID and Model / Version Number

6.4 POT

Local Control

6.5 MCC

Unit Control Command

6.6 MCC_BRIGHTNESS (0x81)

Brightness

6.7 MCC_CONTRAST (0x82)

Contrast

6.8 MCC_SCALINGMODE (0x8C)

Scaling Mode

6.9 MCC_GAMMAVALUE (0x9D)

Gamma Value

6.10 MCC_COLOURTEMP (0xB3)

Color Temperature

6.11 MCC_REDLEVEL (0xB4)

Red Channel Level

6.12 MCC_GREENLEVEL (0xB5)

Green Channel Leve l

6.13 MCC_BLUELEVEL (0xB6)

Blue Channel Level

6.14 TYP

Unit Type and Model Number

6.15 ETC

Elapsed Time Counter

6.16 LAU

Lauer Extension

6.17 LAU_CONFIG_GETFWVERSION (0x0101)

Firmware Version

6.18 LAU_CONFIG_GETHOSTNAME (0x0102)

Host Name

6.19 LAU_CONFIG_GETIFNAME (0x0103)

Internal Network Interface Name

6.20 LAU_CONFIG_GETMACADR (0x0104)

MAC (Ethernet) Address

6.21 LAU_CONFIG_GETIPADR (0x0105)

Static IP Address

6.22 LAU_CONFIG_GETIPMASK (0x0106)

Subnet Mask

6.23 LAU_CONFIG_GETGWADR (0x0107)

Gateway Address

6.24 LAU_CONFIG_GETDHCPMODE (0x0108)

DHCP Mode

6.25 LAU_CONFIG_GETDHCPTIMEOUT (0x0109)

DHCP Timeout

UDP Receive P ort

6.27 LAU_CONFIG_GETUDPSNDPORT (0x010B)

UDP Send P ort

Manufacturer

6.29 LAU_CONFIG_GETDEVICENAME (0x010D)

Device Name

6.30 LAU_CONFIG_GETDILMODE (0x010E)

DIL Switch Mode

6.31 LAU_CONFIG_GETDISPLAYADR (0x010F)

Monitor Address

SCOM Serial Interface Mode

6.33 LAU_CONFIG_GETCOMBAUD (0x0111)

SCOM Serial Interface Baudrate

6.34 LAU_CONFIG_GETC118BAUD (0x0112)