SSV IGW/400-CAN Manuale utente
IGW/400
-
CA
N
WLAN Device Serve
r
First Steps
SSV Embedded Systems
Heisterbergallee 72
D-30453 Hannover
Phone: +49-(0)511-40000-0
Fax: +49-(0)511-40000-40
Manual Revision: 1.0
Date: 2005-11-28
For further information regarding our products please visit us at www.ssv-embedded.de
IGW/400-CAN – Content
SSV EMBEDDED SYSTEMS 2
CONTENT
1INTRODUCTION...............................................................................................................3
1.1 Block Diagram ..........................................................................................................................3
1.2 Features and Technical Data IGW/400-CAN ...........................................................................4
2GETTING STARTED......................................................................................................... 5
2.1 Connecting the WLAN Antenna...............................................................................................5
2.2 Connecting the Plug-in Connector............................................................................................6
2.3 Creating a Loop-back Connection for Testing Purposes ..........................................................8
2.4 Connecting the Power Supply...................................................................................................9
2.5 Arranging and Testing the WLAN Connection on the PC .....................................................11
2.6 Accessing the CAN Interfaces with the SCLI ........................................................................13
CONTACT .............................................................................................................................15
DOCUMENT HISTORY .........................................................................................................15
COPYRIGHT .........................................................................................................................15
IGW/400-CAN – Introduction
SSV EMBEDDED SYSTEMS 3
1 INTRODUCTION
The WLAN Device Server IGW/400-CAN integrates typical measurement and control
interfaces into a 802.11b/g-compatible WLAN.
This very compact system acts as small, easy to use interface converter, which collects
any data of industrial automation components and transmits it via WLAN.
This document describes the hardware components of the IGW/400-CAN. For further
information about the individual components of this product you may follow the links
from our website at http://www.ssv-comm.de.
Our website contains a lot of technical information, which will be updated in regular
periods.
1.1 Block Diagram
Figure 1 shows the block diagram of the IGW/400-CAN. UART1 of the WLAN interface
correlates over a level shifter with the Sub-D RS232 connector. UART2 is internally
connected to the Environment Interface. This subsystem is based on an ARM7TDMI
microcontroller with 256 Kbytes flash and 16 Kbytes SRAM memory. The
microcontroller implements the two CAN channels (CAN1, CAN2), one RS232 serial
port (COM1) and two GPIOs with I2C and analog inputs.
Figure 1: Block diagram of IGW/400-CAN
IGW/400-CAN – Introduction
SSV EMBEDDED SYSTEMS 4
1.2 Features and Technical Data IGW/400-CAN
Main Functionality: Wireless Device Server with CAN and integrated TCP/IP network
stack.
Wireless Interface
Wireless LAN 802.11b/g
Connection type Antenna
Supported protocols WEP, TCP/IP, UDP/IP, AutoIP, ARP, ICMP, SNMP,
DHCP, TFTP, Telnet, HTTP
Environment Interface
Environment Interface Active via 32-bit ARM7TDMI microcontroller
Environment I/O RS232/ 2 x CAN/ 2 x GPIO
Connection type 14-pin plug connector
RS232 max. 230.400 bps, Signals: TxD, RxD
CAN 2 x 10 kbps – 1 Mbps; Signals: CAN_H, CAN_L
GPIO I2C/ 2 x analog inputs /2 x PIO/ capture, jumper configurable
Further Interfaces
RS232 max. 921.600 kbps; Signals: DCD, RxD, TxD, RTS, CTS, DTR
Connection type Sub-D, 9-pin
ISP Signals: RXD, TXD
Ethernet 10/100 Mbps, automatic detection
Connection type RJ-45
Other
LED Indicators 1 x supply voltage, 1 x wireless activity
Power input 6..30 VDC
Power consumption max. 3 W
Protection degree IP20
Operating temperature -20 °C..70 °C
Dimensions (L x W x H) 70 x 26 x 131 mm (without antenna)
Mounting Desktop, wall- or DIN rail
LED Indicators 1 x supply voltage, 1 x wireless activity
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 5
2 GETTING STARTED
2.1 Connecting the WLAN Antenna
The first step is to connect the WLAN antenna (which is part of the Starter Kit) with the
provided interface at the backside of the IGW/400-CAN. Please note, that the antenna has
to be screwed until stop with the interface.
Figure 2: Connecting the WLAN antenna
The IGW/400-CAN uses frequencies in the scope of 2.4 GHz. Therefore special antennas
are needed. Please only use antenna equipment, which is offered resp. tested and released
by SSV. A wrong antenna might lead to permanent damage to the IGW/400-CAN!
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 6
2.2 Connecting the Plug-in Connector
Plug the 14 pin plug-in connector into the corresponding interface at the frontside of the
IGW/400-CAN. Then connect the two wires of the power supply cable with the 14 pin
plug-in connector. For this purpose a screwdriver is needed, which is usually part of the
Starter Kit. Please pay attention to the colors of the wires and to the pin assignment of the
14 pin plug-in connector.
Figure 3: Connecting the plug-in connector
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 7
Figure 4: Pin assignment of plug-in connector
Pin Wire color Signal
1 red VCC
2 black GND
Table 1: Pin assignment of power supply cable
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 8
2.3 Creating a Loop-back Connection for Testing Purposes
For a first function test the IGW/400-CAN needs a loop back connection between the
CAN channels CAN1 and CAN2. Therefore connect the pin 9 with pin 12 and pin 11
with pin 14 of the 14-pin Environment Interface with two cable bridges.
Figure 5: Loop-back connection between CAN1 and CAN2
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 9
2.4 Connecting the Power Supply
The IGW/400-CAN is now ready for use. Connect the plug-in power supply which is part
of the Starter Kit with the connector of the power supply cable. Plug the plug-in power
supply into an outlet to provide the IGW/400-CAN with power. Check if the red power
LED at the frontside is on.
Figure 6: Connecting the power supply
Please pay attention to the polarity of the power connector: the + pole is in the center!
Figure 7: Polarity of the power connector
IGW/400-CAN – Getting Started
SSV EMBEDDED SYSTEMS 10
The IGW/400-CAN is now accessible from your PC. Please note the settings of the
WLAN interface (ex factory settings). The following table gives an overview.
Parameter Setup Value
Network Interface WLAN
Network Name SSV_IGW400
Ad Hoc Mode Settings Enable
Ad Hoc Mode Settings: Network Name SSV_IGW400
Ad Hoc Mode Settings: Country USA
Ad Hoc Mode Settings: Network Channel 11
IP Address 192.168.3.126
Network Mask 255.255.255.0
UART1 Settings 9.600 bps, N, 8, 1
UART2 Settings 230.400 bps, N, 8, 1
UART1 TCP/IP Access TCP, Port 10001
UART2 TCP/IP Access TCP, Port 10002
Wireless Network Security None
Table 2: WLAN settings IGW/400-CAN
For the first WLAN connection test you should adapt your PC to the ex factory settings
of the IGW/400-CAN for convenience.
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