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GW-7433D 
~ NEW ~
Modbus TCP server/RTU slave to CANopen master gateway
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¡§Embedded Internet¡¨ and ¡§Embedded Ethernet¡¨ are hot topics today. Nowadays the Ethernet protocol becomes a kind of standard for local area network. Via Internet, connectivity is occurring everywhere, from home appliances to vending machines, to testing equipment, to UPS¡Ketc. Using Ethernet for network in industrial area is appealing because the required cabling is already installed.
The GW-7433D is a solution that provides a communication transformation between CANopen protocol and Modbus/TCP & RTU protocol. It solves a mission-critical problem: connecting an existed CANopen network with Ethernet-base master device as long as this master device supports Modbus/TCP protocol. It enables CANopen networks to be coupled together with the Internet/Ethernet, whereby remote monitoring and controlling is achieved.
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For CANopen network, the GW-7433D is a CANopen master device. It supports PDO and SDO functions to communicate with slave devices. From the view of Modbus TCP & RTU network, GW-7433D plays a Modbus TCP server or Modbus RTU slave role to receive the commands from Modbus TCP client or Modbus RTU master, and to reply the information to Modbus TCP client or Modbus RTU slave. We provide Utility software for users to configure the parameters of CANopen salves or GW-7433D. When GW-7433D boots up, it will collect the necessary information from all slaves which are predefined in the GW-7433D by using Utility. The following figure shows the application architecture for the GW-7433D. |
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• Control System •
Building Automation • Factory Automation • Distributed data acquisition
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Programmable standard CANopen baud, such as 10 Kbps, 20 Kbps, 50 Kbps, 125 Kbps, 250 Kbps, 500 Kbps, 800 Kbps and 1 Mbps.
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Support COM1(RS-232) and COM2(RS-485),such as 1200,2400,4800.9600,119200,38400,57600 or 115200 bps.
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Support maximum 50 TxPDO, 50 RxPDO, 15 SDO to SDO server.
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Support communication object: TxPDO, RxPDO, and server SDO.
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Support on-line configure CANopen slaves.
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Communicate with CANopen slaves automatically when GW-7433D boots up.
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Allow 5 Modbus/TCP masters to access GW-7433D simultaneously.
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CANopen Version: DS301 V4,01 .
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Device Profile: DSP-401 v2.0 .
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Add/remove CANopen slaves via Ethernet.
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Online getting and setting the CANopen slaves configurations via Ethernet.
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Get/Set Modbus/TCP & RTU input/output memory address.
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Display CANopen I/O mapping table.
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Configure the GW-7433D parameters by Ethernet.
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The simple steps about how to use GW-7433D are depicted as follows:
- Select proper CANopen slaves for users¡¦ application.
- Use the GW-7433D Utility to link the GW-7433D Module via Ethernet.
- Set the IO parameters of CANopen slave devices into GW-7433D by GW-7433D Utility.
- The GW-7433D module will initialize automatically and implement the GW-7433D in your Modbus/TCP or Modbus RTU network.
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Only the following Modbus TCP & RTU commands are supported by the GW-7433D gateway.
Code |
Name |
Description |
01(0x01) |
Read Coil Status |
Read the ON/OFF status of discrete outputs in the slave |
02(0x02) |
Read Input Status |
Read the ON/OFF status of discrete inputs in the slave |
03(0x03) |
Read Holding Registers |
Read the binary contents of holding registers in the slaves |
04(0x04) |
Read Input Registers |
Read the binary contents of input registers in the slaves |
05(0x05) |
Force Single Coils |
Forces one coil in a sequence of coils to either ON or OFF |
06(0x06) |
Preset Single Register |
Preset an integer value into a single register. |
15(0x0F) |
Force Multi Coils |
Forces each coil in a sequence of coils to either ON or OFF |
16(0x10) |
Preset Multi Registers |
Preset value into a sequence of holding registers |
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Model |
GW-7433D |
CPU |
RDC 80186-80 Embedded CPU, or compatible |
Flash |
512 kbytes |
SRAM |
512 kbytes |
EERROM |
16 kbytes |
Ethernet port |
10/100 Base-T |
Real Time Clock |
Year-2000 compliance; seconds, minutes, hours, date of the month, year, valid up from 1980 to 2079 |
CAN Signal Support |
CAN_H, CAN_L |
Connecter |
5-pin screw terminal connecter |
Power Consumption |
3 W |
COM1 |
RS-232 (TXD, RXD, RTS, CTS, GND) |
COM2 |
RS-485 (D2+, D2-) |
COM Speed |
1200, 2400, 4800, 9600, 19200, 38400, 57600, or 115200 bps |
CAN Controller |
Phillip SJA1000T CAN Controller |
CAN Transceiver |
Phillip 82C250 CAN Transceiver |
LED Directors |
MI, CI, ERR |
Display |
7-segment LED: 5 digits |
Isolated |
2500 Vrms on CAN side |
Reauired Supply Voltage |
+10~+30 VDC |
Operating Temp |
-25 ¢XC~75 ¢XC |
Storage Temp |
-40 ¢XC~85 ¢XC |
Himidity |
5~95 % |
Dimensions |
123 mm x 64.5 mm x 19.6 mm |
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GW-7433D CR |
Modbus TCP server & Modbus RTU slave to CANopen master Gateway (RoHS) |
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