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I-7540D ~NEW~ 
CAN to Ethernet Gateway |
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Internet communications using TCP/IP is increasing in the industrial sector. Using Ethernet for network in industrial area is appealing because the required cabling is already installed. The CAN-Ethernet Gateway from ICP DAS is a solution that enables CAN networks to be coupled together over the Internet/Ethernet, whereby remote monitoring and control is possible. The CAN-Ethernet Gateway controls networked communication and makes a transparent CAN-based application interface available to the user.
The device supports a transparent, protocol-independent transfer of the CAN messages, thus allowing its implementation into a wide range of possible applications. Furthermore, the CAN-Ethernet Gateway can be used with various higher layer CAN protocols (e.g. CANopen, DeviceNet or other proprietary protocols). The following figure shows the application architecture for CAN-Ethernet Gateway .
Furthermore, I-7540D also can be used as Ethernet to CAN/RS-232/485 Device Server. The Device Server is an appliance that network enables any device with a serial communication port. By virtue of its independent operating system, protocol independence, small size and flexibility, Device servers are able to meet the demand of virtually any network-enable application. Most devices don't have network ports. I-7540D allows those devices to become connected to the network.
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•Factory Automation
•Building Automation
•Home Automation
•Control System
•Monitor System
•Vehicle Automation |
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The VxComm technology can be used to simulate COM/CAN ports of the I-7540D to become a COM port of PC . With the help of VxComm driver, users can access the remote COM/CAN ports of the I-7540 just as them would access the PC's COM port. The block diagram of data processes in I-7540D is given as follows: |
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The PM-213x-CAN series power meter provides the CAN bus interface for users to easily gather the real-time power consumption information in their CAN applications. The PM-213x-CAN provides the Auto-Response mode which responses messages at regular intervals automatically. It makes the communication more efficient when collecting a lot of remote power information. The polling mode offers the precise information of every step required by the monitors. In addition, the PM-213x-CAN also owns the arbitration mechanism which can avoid data collision and error detection.
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NXP TJA1042 CAN transceiver
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Follow CiA CAN 2.0B specification
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Support Auto-Response mode and Polling mode
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Support baud rate 125 kbps, 250 kbps and 500 kbps
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Support up to 255 nodes on the CAN network
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2500 Vrms isolation on CAN port
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4 kV ESD protection on CAN port
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CAN bus provides better capability in noise suppression
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Support arbitration mechanism to avoid collision
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Support error detection and error correction on CAN bus
Link to Power Meter page¡K
Demos ¡K |
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- 80186-80 Embedded CPU, or compatible
- Ethernet Protocols, TCP,UDP,IP,ICMP,ARP
- 10/100 Base-TX Ethernet Controller
- Reloadable Operating Software
- Message transmitted by using TCP/IP protocol
- Diagnostics
- COM driver support interrupt & 1K QUEUE Input & Output buffer
- Support one RS-232 port, one RS-485 port and one CAN port
- 2500Vrms photo-isolation protection on CAN side.
- Jumper select 120£[ terminator resistor for CAN channel
- Phillip 82C 250/251CAN Transceiver
- Support both CAN specification 2.0A and 2.0B.
- Max transmission speed up to 1M bps for CAN and 115.2kbps for RS-232 & RS-485
- Max transmission distance of CAN over 1000m (follow CAN specification)
- Built-in self-tuner ASIC controller on RS-485 port
- 7-segment LED display.
- Software configurable CAN and RS-232 communication parameters
- Firmware updated from COM1 or Ethernet port
- Support Web Configuration
- Support maximum 25 Ethernet clients connection
- Support for Virtual COM technology
Support OPC server
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IP ¡B Gateway ¡B Mask configuration
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CAN bus Baud rate configuration
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CAN BTR0 and BTR1 configuration
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CAN acceptance filter configuration
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CAN 2.0A or 2.0B specific selection
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Error code Responded selection
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Easy test to transmit/receive CAN messages
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There are various communication interfaces among the CAN devices like PCI CAN board, Ethernet series and RS-232 series CAN module. According to different purpose of users¡¦ projects, the users maybe need to choice different CAN products. Because of this situation, the programmer should develop different communication program to handle different CAN device. For example, the user should develop ¡§Socket Client¡¨ to communicate with I-7540. When using I-7530, the users need ¡§UART¡¨ technique to communicate with it. Nowadays, ICP DAS develop the Virtual CAN technique. The Virtual CAN driver is the excellent tool for users. It transforms whole CAN devices into Virtual CAN port. And then it generates Virtual CAN port like ¡§VxCAN 1¡¨ or ¡§VxCAN 2¡¨. The users could send and receive CAN message by appointing the Virtual CAN port number. The users don't need to care about what kind of CAN device which is used.
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The test is the performance which transfer 8 bytes data frame from CAN to Ethernet (one TCP client). |
CAN setting |
Transfer frames |
Transfer time(ms) |
Ethernet setting |
Receive frames |
Receive time (ms) |
The max frames/sec |
Data<8 byes/frme |
ASCII command length |
2.0A 1Mbps |
1,000,000 |
619,831 |
100M |
1,000,000 |
619,871 |
1613 |
>=1613 |
22 B |
2.0B 1Mbps |
1,000,000 |
662,432 |
100M |
1,000,000 |
662,513 |
1509 |
>=1509 |
27 B |
The test is the performance which transfer 8 bytes data frame from Ethernet (one TCP client) to CAN. |
CAN setting |
Transfer frames |
Transfer time (ms) |
Ethernet setting |
Receive frames |
Receive time (ms) |
The max frames/sec |
Data<8 byes/frame |
ASCII command length |
2.0A 1Mbps |
1,000,000 |
535,280 |
100M |
1,000,000 |
535,618 |
1867 |
>=1867 |
22 B |
2.0B 1Mbps |
1,000,000 |
563,170 |
100M |
1,000,000 |
563,395 |
1774 |
>=1774 |
27 B |
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Hardware
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EEPROM |
16 KB; Data retention: 40 years; 1,000,000 erase/write cycles |
CAN Interface |
Controller |
NXP SJA1000T with 16 MHz clock |
Transceiver |
NXP 82C250 |
Channel number |
1 |
Connector |
2-pin screwed terminal block (CAN_L, CAN_H) |
Baud Rate (bps) |
10 k, 20 k, 50 k, 125 k, 250 k, 500 k, 800 k, 1 M (allow user-defined baud rate) |
Isolation |
1000 VDC for DC-to-DC, 2500 Vrms for photo-couple |
Terminator Resistor |
Jumper for 120 £[ terminator resistor |
Specification |
ISO-11898-2, CAN 2.0A and CAN 2.0B |
UART Interface |
COM 1 |
RS-232 |
COM 1 Connector |
5-pin screwed terminal block (TxD, RxD, RTS, CTS, GND ) |
COM 2 |
RS-485 (Self-turner inside) |
COM 2 Connector |
2-pin screwed terminal block (DATA+, DATA-) |
Baud Rate (bps) |
110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
Data bit |
7, 8 |
Stop bit |
1 |
Parity |
None, Even, Odd |
Ethernet Interface |
Controller |
10/100Base-TX Ethernet Controller (Auto-negotiating, Auto_MDIX) |
Connector |
RJ-45 with LED indicator |
Power |
Power supply |
Unregulated +10 ~ +30 VDC |
Protection |
Power reverse polarity protection, Over-voltage brown-out protection |
Power Consumption |
2.5 W |
Mechanism |
Installation |
DIN-Rail |
Dimensions |
72mm x 122mm x 33mm (W x L x H) |
Environment |
Operating Temp. |
-25 ~ 75 ¢J |
Storage Temp. |
-30 ~ 80 ¢J |
Humidity |
10 ~ 90% RH, non-condensing |
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I-7540D-G
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Internet communication controller with one CAN bus, one RS-232, one RS-485 and one Ethernet
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I-7540D-G CR
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Internet communication controller with one CAN bus, one RS-232, one RS-485 and one Ethernet (RoHS)
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wall-plug power Adapter/ 110VAC, 60Hz, 3.6W
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wall-plug power Adapter/ 220VAC, 50Hz, 3.6W
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9-pin Female D-sub & 3-wire CAN bus cable (1M) |
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7/14 channel Surge Protector |
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