The information contained in this document is the property of SHENZHEN ATC TECHNOLOGY CO.,LTD.
and is supplied for the sole purpose of the operation and maintenance of products of SHENZHEN ATC
TECHNOLOGY CO.,LTD. No part of this publication is to be used for any other purposes, and it is not to be
reproduced, copied, disclosed, transmitted, stored in a retrieval system, or translated into any human or
computer language, in any form, by any means, in whole or in part, without the prior express written consent
of SHENZHEN ATC TECHNOLOGY CO.,LTD.
Modbus is an industry adopted communication protocol based on RTU, ASCII, and TCP protocols for
various applications; these three protocols are commonly used by hardware equipments in the industry,
such as DCS, PLC, HMI, power load measurement, various sensor and measuring instruments. The
Modbus Gateway is capable of implementing the Modbus environment between different hardware
interfaces, thereby streamlining the process of management and application.
Diverse Hardware Infrastructure
Modbus Gateway supports the four most commonly used hardware communication interfaces, RS232,
RS485, RS422, and Ethernet. The simple-to-use configuration software provided with Modbus Gateway
can quickly modify the hardware interface to use, and easily switch to the existing hardware
communication infrastructure.
Switching between Modbus Protocols
Modbus Gateway supports the standard Modbus protocol and is capable of converting any Modbus
protocols between Modbus TCP and Modbus RTU or Modbus ASCII for all supported hardware
interfaces.
Packaging
Please check ones package contains the following items:
§ ATC-3001 x 1
§ Power Adapter 9~24VDC x 1
§ Product CD containing configuration utility x 1
§ ATC-3001 1-port Modbus Gateway quick start guide x 1
Step 1: Connect ATC-3001 to power source using 9~24VDC Jack.
Step 2: Connect ATC-3001 to Ethernet network. Use a standard straight-through Ethernet cable when
one connect it to a hub/switch, one also can connect it to ones PC‘s Ethernet port via a
cross-over Ethernet cable for easy set up. However, in this case one need to make sure ones
PC is in the same network sub-net as ATC-3001.
Step 3: Connect ATC-3001’s serial port to a serial device.
Step 4: Placement options. One can mount ATC-3001 to a wall/panel (Mounting screws included) or
ATC-3001 Modbus Gateway is shipped with default settings shown in the following table:
Property Default Value
IP Address 10.0.50.100
Gateway 10.0.0.254
Subnet Mask 255.255.0.0
User Name admin
Password Null(leave it blank)
COM 1 9600,None, 8, 1, No flow control, buffer disabled, packet delimiter timer 2ms
Modbus Type: Listen port 502
SysName of SNMP name
SysLocation of SNMP location
SysContact of SNMP contact
3.1 Configuration by Device View
3.1.1 Static IP
Use Device View that comes with product CD to configure the network parameters of ATC-3001.
Please click “Configuration” button (ref Figure 3.1) then give it a static IP information.( Figure 3.2)
A DHCP server can automatically assign the IP address and network settings. ATC-3001 supports the DHCP
function. By default, the DHCP function on ATC-3001 is disabled; one can use Device View software to
search network information automatically by following steps:
->Execute Device View (Figure 3.1)
->Click on the IP address of ATC-3001 in Device View
->Click “Config” button(It will pop-up Dialog Window)
->Check ”Auto IP” (Figure 3.3)
->Click “Config Now” button(The ATC-3001 will restart and get IP from DHCP server automatically)
name, set the baud rate and parity, determine number of data bit and stop bit, and decide if one want to use
flow control and the type of flow control one want to use. The following screen (Figure 3.10) illustrates how to
setup 9600 baudrate, none parity, 8 data bits, and 1 stop bit.
Figure 3.10 COM1 Setup
3.2.6 Exit with Save and Reset
Select “7” from “Input choice and enter (1~8,a~f):” to Exit with Save. Please choose this option to save all
the previous changes to EEPROM, the device will restart automatically.
3.2.7 Exit with Save and Reset
Select “8” from “Input choice and enter (1~8,a~f):” to Exit with Save. Please choose this option to discard
all the previous changes the device will close telnet connection automatically.
3.2.8 Link 1 Setup
Select “a” from “Input choice and enter (1~8,a~f):” to Exit with Save. The following screen (Figure 3.11)
illustrates how to set port to 502, connection to 2, input timeout to 400, protocol to ASCII, and retry to 2
times.
1. Select “c” from “Input choice and enter (1~8,a~f): ”. The following screen (Figure 3.12) illustrates
how to change default empty password to “1111”.
Figure 3.12 change the password
2. If one want to change the password, please type the old password in the “Please input old
password” field, type the new password in the “Please input new password” and the “Please
verify new password” fields.
Note: One can press the default key of product to reset password to the default value.
3.2.10 SNMP Settings
a. Select “d” from “Input choice and enter (1~8,a~f):” to change SNMP Name field.
Note that if you press enter, ATC-3001 will fill in a default name equal to its MAC.
b. Select “e” from “Input choice and enter (1~8,a~f):” to change SNMP Location field.
c. Select “f” from “Input choice and enter (1~8,a~f):” to change SNMP Contact field.
3.3 Configuration Using Web Browser
1. Make sure one PC is located on the same network sub-net as ATC-3001
2. Open a web browser, then type in the IP address of ATC-3001 to be configured. Default user name
is admin and default password is null (leave it blank).
3. ATC-3001’s network, link mode and COM ports settings can be configured in different web pages.
4. Click “Save Configuration” to save settings.
5. Click ”Restart” button to make the change effective if necessary.
It is also possible to modify various settings through the web server interface. To do so, please follow the
steps below.
3.3.1 Log in to the System
1. From web browser, type in the IP address of ATC-3001 in the URL.
Example: http://10.0.50.100
2. The following authentication screen appears. (Figure 3.13) Please type in user name and password
then click on OK. The user name is admin and password is left it blank by default.
Figure 3.13 login the system via Web
3. The following overview page appears.( Figure 3.14)
1. Click on the “Security” link and the following screen appears.( Figure 3.15)
Figure 3.15 Change the password
2. Please input the old password in the “Old Password” field, input the new password in the “New
Password” and the “Verified Password” fields, and then click on “Save Configuration” to update
the password.
Note: One can press the default key of product to reset password to the default value.
3.3.3 Network Setup
Click on the “Networking” link and the following screen appears. Fill in IP information under TCP/IP field.
Alternatively, one can do the configuration by clicking on DHCP to obtain auto IP address, gateway and
subnet mask information.
Enable SNMP by checking “Enable”, fill in network identification information under SNMP field and click on
the “Save Configuration” button to save the changes, please notice that the setting will not become effective
until one restart ATC-3001.( Figure 3.17)
1. The default Baud Rate of ATC-3001 is 9600 and it is associated with serial port COM respectively.
2. The default value for data packet delimiter is 0. When the delimiter is set to 0 (Auto), ATC-3001 will
automatically chooses the optimal delimiter according to the baud rate.
3. The “COM Type Selection” will show different port interface according to its selected port type.
4. After configuring the parameters, click on the “Save Configuration” button to save the changes, please
notice that the setting will not become effective until click “restart”.
3.3.5 Modbus Settings
Figure 3.19 Modbus Setup
TCP Listen Port: Modbus/TCP Listen port. Default is 502.
Please note that Ethernet interface only support Modbus Slave.
TCP Connections(s): Maximum of four simultaneous Modbus/TCP connections is allowed.
Serial Reply Timeout: If the serial side does not respond with the specified time, data would be dropped
and not transmitted over TCP even if the gateway receives it later.
Serial Protocol: Select between Modbus/ASCII and Modbus/RTU.
Please note that Serial interface only support Modbus Master.
Serial Timeout Retry: If “0” is set, the gateway would not store TCP packets in the buffer. If the number is
greater than “0”, the gateway would store the TCP packets in the buffer and retries the specified times when
the Modbus device on the serial side does not respond.
Note: After configuring the parameters, click on the “Save Configuration” button to save the changes, please
note that the setting will not become effective until “restart” is clicked.
3.4 Assign a New IP Address by ARP Command
Use ARP command to assign a static IP address of ATC-3001 using its hardware MAC address. The MAC
address is printed on the rear side of device in the format of "0060E9-xxxxxx". The following example shows
how it works within MS-DOS command prompt window.
(For example change IP from 10.0.50.100 to 10.0.50.101,and the MAC address of ATC-3001 is
00-60-e9-11-11-01)
ATC-3001 is an SNMP device that allows many popular SNMP Network management platforms such as HP
Open View.
Depending on the network management tools one are using, device ATC-3001 information can be collected
from running the management tools including IP address, DNS name, system descriptions and NIC
information etc.
4.2 Using NetworkView as an Example
NetworkView is a compact network management tool from NetworkView Software, Inc.
(www.networkview.com). It discovers all TCP/IP nodes in a network using DNS, SNMP and ports information
and documents with printed maps and reports for future use.
First, download and install the tool on ones PC (Windows 2000 and Windows XP), then start NetworkView.
1. Click on the button to open a new file. The following screen shall appear, in the Addresses
field, Enter in the IP address range to search (Figure4.1).
2. Click on “OK” and the following dialog box shall display the searching progress (Figure 4.2).
3. After the search is completed, NetworkView will display the devices found in the main window, as
shown below (Figure 4.3).
4. Double-click on the device icon to display information about the device, including IP Address,
Company, SysLocation (Max 15 characters), SysName (Max 9 characters) and types etc
(Figure 4.4).
Figure 4.4 NetworkView display device information
Note:
1. The NetworkView tool is limited to information extracting and viewing only.
2. To modify the configurations please use the web server, Telnet or DeviceView configuration utilities.
There are several ways one can check on the status and availability of ATC-3001.
5.1 Use Standard TCP/IP Utility Ping Command
From Windows Start menu, select Run and type in “ping <TCP Server IP address>”.
If the connection is established, the Reply messages are displayed, otherwise it will indicate Request
timed out (Figure 5.1).
Figure 5.1 Standard TCP/IP utility ping command
5.2 Use DeviceView Configuration Utility Program
Use DeviceView configuration program that comes with the product CD or diskette to check on the
status of ATC-3001. The status and version can be read from the tool.
For example, ‘listening’ means that COM1 is still waiting for TCP connection (Figure 5.2).
DeviceView utility. It can realize the daily management network devices for address search, device
positioning, parameter configuring, and firmware downloading.
A.2. Interface
The operating interface of the DeviceView utility is shown below:
Caution Field Description
! IP conflict. There are two devices with the same IP address in the network.
@ The device is using DHCP.
< The device is being located.
+ You have logged into the device.
? MAC conflict. There are two devices with the same MAC address in the network.
A.3. Functions
A.3.1. Device Search
This function is applied to search devices in the network. There are four methods to search devices, Search
by Broadcast, Search by IP addresses, Search by MAC addresses and Rescanning devices by using the
current search method. To select the search methods, users click the “Search” on the main menu which is
shown below.
Alternatively, users can select by clicking the button on the toolbar as below.
Broadcast Search
Once “Broadcast Search” is selected, a box will pop up as below. The user may type in or select different
broadcast address based on his own requirement.
Once “Search by IP Address” is selected, an interface will pop up as below. Here user may have two options:
Select an IP address to search or Search device in the range of IP address.
Search by MAC Address
If “Search by MAC Address” is selected, another box will pop up as below. Here the user may search in two
ways: “Search a MAC address to search” or “Search devices in the range of MAC address”
Once the user click the “Rescan” button on the toolbar, the DeviceView utility shall re-search devices by
using the current search way.
A.3.2. Firmware
This function is applied to downloading a firmware into the selected device. The user can enter the window
for downloading by firstly clicking a designated network device, and then selecting the submenu option
“Firmware Download” in the main menu option “Firmware”, or directly clicking the button Upgrade from disk.
And then the user can select and download the required firmware from the disk, as shown in the figure below.
The user can also select several same devices at one time, and realize the firmware updating for them by
selecting Apply for all selected devices have same model.
A.3.3. Configuration
This function is for device configuration to set up parameters, to import and to export the parameters, and to
set up some options. Here is the list of configurations: “Network”, “SNMP”, “COM Port”, “Locate”, “Reset”,
“Import Setting”, “Export Setting”, “Virtual COM”, “Config by browser” and “Options.” Users can carry out a
configuration operating through menu or by clicking the corresponded button on the toolbar, shown as the
figure below:
The user can modify the IP address of any selected device, shown as the figure below. You can statically
assign IP address, Subnet mask, and Gateway. Optionally, you can set up the device with a host name.
You can select DHCP option to obtain an IP address automatically.
Locate
The user can apply this function to locate a device when its IP address is known, but its position is unknown.
If a device is selected, the device will appear to sing. Users can locate the device by selecting the
Configuration submenu Locate or clicking the Locate button on the toolbar.
Reboot
The device should be restarted after a successful modification of parameter configuration. Users can also
carry out a restart through the submenu option Reset.
The user can also select several devices at one time, and save the parameter information of these selected
devices into a designated parameter file by selecting "Save all the selected devices".
Some devices are supplied with build-in Web servers, which will be used to configure similar to DeviceView
software. Users can carry out any parameter setting directly through the submenu option “Config by
Browser”, and a Web browser is shown in the figure below.
Options
The option is mainly applied to setting some common working rules of DeviceView utility, such as the device
search time interval or whether to display any device information tip. The dialog is shown in the figure below.
A.3.4. About
This function is mainly applied to displaying information of the DeviceView utility, shown in the figure below.
One can choose either 568A or 568B definition. If one want to make a crossover cable, one should use 568A
and 568B definition respectively in each terminal of a UTP cable.
B.4 LED Message
B.4.1 LAN LED
Message Description
LED Off
LED blinking with Green
LED blinking with Orange
Table 1. LAN LED Message
B.4.2 COM Port LED
Message Description
LED off
Ethernet Disconnected
Data is transmitting on Ethernet for 100Mbps
Data is transmitting on Ethernet for 10Mbps
After the new version of firmware is released, customers can download it from http://www.szatc.com After
one download the firmware, please follow these instructions listed below.
C.1 Upgrade Procedures
When one get a new software version, please follow the sequences below to upgrade ones ATC-3001.
1. Connect a PC (Windows 95/98/NT/2000/XP) and ATC-3001 one wish to upgrade the firmware in the
same TCP/IP network. Use command ping or DeviceView program to verify their availability.
2. Prepare the download tool and press any key to edit its configuration file dapdl.cfg. dapdl.cfg file
can be found in the product CD.
3 Edit the "dapdl.cfg" file to fit ones system need, the content of the file looks like as the following.
Be sure to save ones modifications after the change is made.
Remote_IP 10.0.50.100
Load U5001ap.hex
The first line identifies the IP address of ATC-3001, the second line identifies the firmware (.Hex file) name to
be downloaded.
4 Execute the utility program download.bat, it can be found in the product CD.
5 Input the user name and password credential, the new firmware will be downloaded.
6 ATC-3001 will automatically restart each time the firmware is successfully downloaded.
1 One can always abort the upgrading process by pressing the <Esc> key from host PC during the
upgrading process. ATC-3001 will restart automatically and the system remains intact.
2 If ATC-3001 does not receive any upgrading data within 30 seconds, ATC-3001 will restart
automatically and the system remains intact.
3 After the upgrading process finishes, ATC-3001 will program the flash memory and buzzer beeps 6
times then restarts. Normally, it takes around 10 seconds to complete the programming process. If
an error occurs during the programming process, ATC-3001 will clear the corresponding memory
and the system remains intact of what it was.
The AP (application program) firmware of ATC-3001 can be disabled. This function is used in the situation
that one downloaded a wrong version of firmware that caused the system crashed.
To disable the current version of firmware and prevent it from executing, please do the followings:
CPU 16-bit x86 Embedded CPU
Flash 512K Bytes
DRAM 512K Bytes
EEPROM 512 Bytes
Watchdog Hardware built-in
Ethernet
Compliance IEEE802.3
Port 1-port
Transmission Rate 10/100Mbps Auto-detection
Connector RJ45
Auto MDI/MDI-X Yes
Serial
Interface RS232/422/485 software selectable(ATC-3001)
Ports 1-port DB9 and 1-port TB6
Baud Rate 1200bps to 230Kbps
Parity None, Odd, Even, Mark, Space
Data Bits 7 or 8
Stop Bits 1 or 2
Data Packet Delimiter 0 to 30000 mini sec. (0:auto)
Connector 9-pin D-Sub(DB9) / Terminal Block(TB6)
Power
Input DC 9-24V for DC Jack
Consumption Max. 2.7W (ATC-3001)
Environment
Operating 0°C~60°C (32°F~140°F)
Storage Temperature -20°C~70°C (-4°F~158°F), 5~95%RH,(non-condensing)
Dimension
W x H x D 95mm x 25mm x 65mm.(ATC-3001)
Software
Configuration Web console, Telnet
Device View For Windows
Support Protocol Modbus RTU,ASCII and TCP