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Legal Information for Customers
We have done our u tm o st to ensu re th at the i nfo rmati on i n thi s
user guide is complete, accurate and up to date. In so far as legally
possible, we cannot accept any liability for consequential damage
caused by using this guide. In other respects we shall accept
liability for intention and gross negligence only. We cannot provide
any warranty that changes to third-party equipment referred to in
this guide will have no effect on the applicability of the information
provided in this guide.
The author reserves all rights, including the right to reproduce this
guide in full or part thereof in any form whatsoever.
The content is subject to change without prior notification.
The product is subject to technical change without prior notification.
All trade marks mentioned in this manual are stated for
identification purposes and may be the property of the various
holders.
Important Information
· The device should be used exclusively with the mains unit
supplied. Using a different power supply unit may result in damage
to the device.
· Use a dry cloth only to clean the operating panel and the housing.
· If the device is damaged, disconnect from the mains. Arrange for
immediate repair.
· Before contacting your vendor's customer service, please consult
this user guide.
· Using customer service during the warranty period may incur
costs, if the fault or problem was caused by the customer and the
solution or remedy is described in this guide.
· Rem o ving the seri al number wi ll void the wa rranty ri ghts.
· Damage caused by inappropriate packing will not be borne by
the forwarding agent / insurance company.
Note !
IpEther232 is a Class A device. This device can cause interferences
to radio communications in residential areas; in such cases the
operator may be ordered to carry out and pay for appropriate
measures.
This warning does not apply to desktop housing or the OEM version
w ithout housing.
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Important Safety Information
As is the case with all electrical equipment there are some basic
safety precautions to be observed. These safety precautions are
primarily for you own safety but also serve to prevent damage to
the device.
Settings not described in this guide and changes to the device
electronics are to be carried out by an authorized vendor only.
Read the user guide carefully and keep it to hand.
Make sure that...
· the device is placed on a stable, flat surface;
· for rail mounted devices the top hat rail is sufficiently grounded
and the rail spring has good contact;
· the device is never placed near a heater or the air outlet of an
air-conditioning unit;
· the device is never exposed to direct sunlight;
· the device is never in direct contact with liquids of any kind.
Never use liquids in the vicinity of the device.
· Opening the housing may lead to an electric shock and other
damage. Never make any changes to the device that are not
described in the user guide. This could result in damage to the
device and you would have to pay for the repairs. Only the
authorized vendor may modify the input voltage, should this
becom e nece ssary.
Install the device
Make sure that...
· the mains supply values are the same as the designation on the
power supply unit. In case of doubt contact your supplier.
· the mains is protected against surges and other disturbances.
· the mains socket is located near the device and is easily
accessible.
· you pull the mains plug completely to disconnect.
· the maximum power rating of an extension cable or multiple
contact plug, if used, is not exceeded.
· the mains cable is protected against damage. Do not place
anything on the cable and put it down, so that there is no danger
of stepping on or tripping over it.
· a damaged mains cable is replaced immediately.
· the mains cable is disconnected before starting to clean the
device. Use a dry cloth only. Do not use any liquid or aerosol
cl eani ng agent.
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Please follow all warnings and instructions displayed on the device itself and in
accompanying manuals. In the manual, warnings of particular importance are marked by the
symbols below.
Warning and Important Information Symbols
NOTE: Text sections marked in this way contain supplementary information or hints.
WARNING - damage: This warns against possible damage to the device. Follow all
instructions to avoid damage.
CAUTION - Danger of injury: This points out a possible source of danger. Follow all
safety instructions to avoid injury.
CAUTION - Hot: This points out a possible source of danger. Follow all safety
instructions to avoid heat-related injury.
CAUTION - Current: This points out a possible source of danger. Follow all safety
instructions to avoid injury through electrocution.
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Contents Page
Chapter 1: The Device....................................................................6
1.1 Usage............................................................................................................................. 6
1.2 Sockets.......................................................................................................................... 8
Chapter2: Commissioning the ipEther232.Modem ................9
2.1 Comm issioning............................................................................................................. 9
2.2 Set the IP Address....................................................................................................... 9
2.3 Configuration...............................................................................................................11
2.4 ipEtherModem.inf (Driver File)................................................................................14
2.6 Serial Configuration ...................................................................................................17
2.6.1 Configure Password Protection (Serial Devices only)......................................18
Chapter 3: Control Commands..................................................19
3.1 AT Command Input and Execution.........................................................................19
3.2 Transmission Mode ...................................................................................................19
3.3 Quick Reference for AT Comm ands and Registers .............................................20
Chapter 4: Definition of AT Commands and Registers ...21
4.0 Chart of AT Comm ands ............................................................................................21
4.1 Register Chart.............................................................................................................24
4.2 Result Code ................................................................................................................31
Chapter 5: Technical details.......................................................32
5.1 Specifications..............................................................................................................33
5.2 Pin Assignment...........................................................................................................34
5.2.1 Pin Assignment ipEther232.Modem OEM..........................................................35
5.2.2 Power supply units .................................................................................................37
5.2.3 RS232.Modem Module..........................................................................................38
5.2.4 RS232 Module.........................................................................................................38
5.2.5 RS485 Module.........................................................................................................39
3.2.6 RS485 as a 2 Wire solution...................................................................................39
5.3 Measurements............................................................................................................40
5.4 Declaration of EEC Compliance..............................................................................43
5.5 Glossary.......................................................................................................................44
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Chapter 1: The Device
1.1 Usage
ipEther232.Modem enables you to use serial interfaces via a TCP/IP network. .
This allows you to control devices without a network interface over long
distances. In addition to the serial interface, the Ethernet modem also has a
network interface. In order to connect two serial devices simply use two modems
linked via Ethernet instead of a serial cable.
ö Terminals
ö CNC controll ers
ö Counting devi ces
Such devices are: ö Embedded controllers
ö Industrial switches
ö Serial printers
ö SPS controllers
ö Card scanners
ö Measuring equipment
ö UPSs
Thus all applications and devices that support terminal or modem functionalities
can also be used via the Ethernet. This has numerous advantages:
· lower telephone costs
· reduce the number of analog connections (monthly fee)
· si m pl if ie d lo gi st i cs
· extremely low porting costs
· protects your investments by converting serial devices into network
devices without necessitating changes in the existing software, saving
additional product development costs
· versatile power supply and optimal housing solutions
· serial devices can be used by several clients
· automatic setup of network connection after interruptions
· easy to setup and suitable for larger installations
· si m pl e integrati on of seri al ap pli catio n s
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"Netw orking" w ill soon be the global standard. How ever, manufacturers
require expensive labor, precious time and comprehensive experience to
develop netw ork technologies. As most devices are already equipped w ith
an RS232/485 interface, the Ethernet modem offers an instant and eff icient
solution for transmitting RS232/485 data via the netw ork. The Ethernet
modem not only provides added value to your product, it also adds to the
value of your existing equipment for the next generation.
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1.2 Sockets
i pEther2 32 .M o dem has thre e sockets:
· Ethernet (10BaseT) for a 10/100 Mbit network
· RS232 SUB-D 9
· 9V DC power supply
A diagram of all connectors and their designation is displayed on the housing.
The LEDs indicate the device state and have the following meaning:
· POWER The device is switched on.
· System Slow flashing indicates that at the moment there is no
connection to a PC. Fast flashing indicates that the
device is in use.
· LINK LAN There is a physical link to the network.
· LAN Rx Packets are received via the Ethernet.
· LAN Tx Packets are sent to the Ethernet.
· V24 Rx Data is received via the RS232 line.
· V24 Tx Data is sent via the RS232 line.
· Error Errors have occured in the RS232 line.
RS232
SUB-D 9 Pin
Ethernet
10/100
RJ45
9V DC
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Chapter2: Commissioning the ipEther232.Modem
2.1 Commissioning
Connect the device to the mains. The "Power" signal and the flashing "System"
LED indicate that ipEther232 is ready for operation.
ipEther232 is connected to the network via an RJ45 socket.
The "Link LAN" LED (connection) indicates the connection to the LAN.
If this is not the case, check the netwok connection or network line.
The enclosed CD contains a modem driver set-up program and the configuration
tool. The modem driver runs on all windows NT based operating systems, as well
as Windows NT 4 from SP5, Windows 2000 and Windows XP.
No PC reboot is necessary after installation. The configuration tool for configuring
the device starts automatically after installation.For later configuration sessions
the program is included in the "Programme-ipEther232.Modem" folder.
You can also set up your ipEther232.Modem with a serial configuration using AT
commands.
(for more details see chapter 2.6 Serial Configuration and chapters 3 & 4).
2.2 Set the IP Address
On delivery of ipEther232, no valid IP address has been set (Default: 10.10.5.1).
T o start wi th, each d e vice m u st b e al located an unam bi guous IP address.
The IP address can be obtained from the network administrator. It must comply
with your network and cannot be assigned twice.
In order to set the IP address in your ipEther232, the device must be connected
to its own network segment. If need be, connect the device via a "cross over"
cable to the PC.
The configuration program recognizes all devices in its own network segment,
even if they do not have a valid IP address. Double-click on the device entry to
call up a dialog, where you can enter a valid IP address and further
configurations.
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The entry "State" has the follow ing meaning:
· "not found"
The device could not be located anymore. It is not connected, switched off or
has been connected after a router blocking the UDP Port 3497.
· "connected"
The device has been located and can be addressed via the entered IP
address.
· "connected via router"
The device has been located and installed after the router. The IP address
cannot be changed.
· "found but unreachable"
The device has been located in the own network segment, but could not be
accessed via the entered IP address. Check whether the entered IP address
is valid for your network.
· "in use"
The device is in use at the moment. The parameters cannot be changed.
· “access denied“
Access wa s denied because password authentication has failed.
If ipEther232s are connected after a
router, they are not automatically
located. They have to be entered
manually ("Add Device manually“).
This is done by entering their IP
address. If the device can be
accessed via this address, it is
included in the list.
If the device is installed after a
router, the IP address cannot be
changed. This prevents the device
from becoming inaccessible by
accident.
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TCP/IP:
This tells you the device ID, i.e. the ipEther232.Modem serial number and this is
where the network settings are configured.
Modem settings:
Here you can define the modem behavior.
"Connect to IP": Enter the IP address of the "communication partner" where a
connection is to be set up automatically (Leased line). After a connection break-
off there is an automatic attempt at restoring the link.
"Answer incoming calls": automatic call accept.
"Echo": command echo on.
"Qui et Mode": Re sul t codes on.
"Ignore DTR": ignore DTR status change.
RS232:
Baud rate, databits, parity and stopbits are adjusted to the communication
behavior of the serial terminal device.
"Total Timeout": The default value of 50 ms applies to most cases. The "ping" tool
assists in determining the ideal throughput time (see below).
"Character Distance" with a default value of 5 ms requires adjusting only in very
rare cases.
Throughput time + 10ms = ideal “To tal Tim e ou t“
here < 10ms + 10ms = 20ms
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TC 57 settings:
The advantage of the TC 57 settings is that on reception of a frame of this
format (from the RS232 line) the frame is immediately sent on to the Ethernet
without having to wait for a timeout. This greatly improves communication speed
and performance.
The IEC 60870-5-1 and IEC 60870-5-2 norms define four standard frame
formats for the link layer. They are:
· Format FT 1.1
· Format FT1.2
· Format FT 2
· Format FT 3
The transmission frame formats - FT 1.2, FT 2 and FT 3 have a Frame of fixed
length.
The Frame with variable length for FT 2 and FT 3 have a header of fixed length.
It includes “Start character”, “Length” byte, “User Data” and “Check sequence”.
The user must select the desired Format and include values for “Fixed frame
length” and “Header length” parameters.
The range of “Fixed frame length” is from 2 to 255 bytes.
The range of “Header length” is from 2 to 14 bytes.
Firmw are:
This tells you the firmware release. You can update to the most current version.
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2.4 ipEtherModem.inf (Driver File)
Follow these instructions to install the modem driver for
ipEther232.Modem under Window s operating systems:
Cl i ck on "Control Panel " i n
the Explorer and then on
"Modems" to start the modem
i nstal lati on.
Check this option
for modem
i nstal la ti on.
Select this option to
define the driver
location.
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2.6 Serial Configuration
Connect the mains power supply to the device. The "power" light and the flashing
"system“ LED indicate that ipEther232 is operational.
The ipEther232 is connected to the PC or a serial terminal via a serial 1:1 cable.
(Basic settings: baud rate=9600, databits=8, parity=none, stopbits=1)
If the terminal tool, e.g. Hyperterm (in MS Windows to be found under Programs -
Accessories), is configured correctly for the connected Com port, the AT&V
command returns the current configuration of the Ethernet modem.
For more detailed explanations about the AT commands and the registers refer to
chapter 3 and 4.
Examples:
- Set the IP address: ATS100=192.109.223.242
- Set the baud rate to 38400: ATS31=5
- dial-up to the distant terminal: ATD 192.109.223.243
- hang up: +++ „2 sec. Pause“ ATH
- least line: ATS0=1, ATS102=192.109.223.243
(Configure distant terminal as well!!!)
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2.6.1 Configure Password Protection (Serial Devices only)
Enable the passw ord configuration mode:
Enter the ATP master password to enter the configuration mode. The default
m a ste r passwo rd i s " 0 00 00 0 “
à ATP000000
Set up and change the passw ords:
To change the master password, enter ATZ=“new master password". 9 more
passwords can be configured here (ATZ1...ATZ9).
à ATZ1=ipether
Each password consists of a maximum of 8 characters (additional characters are
ignored). The password is not case-sensitive (special characters are allowed).
Enter ATZ? or ATZ1?...ATZ9? to read out all the password s.
Enable passw ord protection:
Register 81 allows you to enable and disable the password protection.
(only in the password configuration mode)
à ATS81=1 enable password protection mode
à ATS81=0 disable password protection
Password blocking time:
Register S82 enables the setting of a password blocking time.
After three incorrect password entries, the modem waits for the blocking time,
before a new password query is allowed.
à ATS82=120 The blocking time is 2 minutes
Valid IP addresses:
The password configuration mode allows the configuration of ten IP addresse s,
for which calls are accepted. (ATR0....ATR9). If this list is empty, calls are
accepted from all partner modems.
à ATR1=192.168.10.12 Calls are accepted
Save changes:
All changes only take effect after they have been saved.
The AT&W command starts the saving process.
à AT &W
If the master password has been forgotten, the device must be sent in.
If the settings are not saved, all changes are lost, once the ipEther232.Modem is
disconnected from the power supply.
Quit the password configuration mode:
Enter ATP to exit the configuration mode.
à AT P
The dial-up to a password protected ipEther232.Modem returns the message
"PASSWORD:“
To set up a connection, the master password or one of the 9 additional
passwords (if defined) must be entered.
An incorrect entry leads to the "WRONG PASSWORD“ message.
If a call from an IP protected modem is not accepted, the message "ACCESS
DENIED“ is issued.
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Chapter 3: Control Commands
Up until now there has been no standardized AT command set (AT = command
prefix Attention), each manufacturer could implement his own. The V.250
command set is the first industry standard available. Microsoft recommends this
command set for the PC-98 specifications and makes it a mandatory requirement
for the PC-99 specifications.
With ipEther232.Modem you have purchased a state-of-the-art "Ethernet modem"
equipped with the AT command set. A terminal program enables you to enter the
AT commands (e.g. "Hyper Terminal": This tool is part of the MS Windows
package. You can find it under "Start - Programs - Accessories ".)
3.1 AT Command Input and Execution
After power-up the Ethernet modem is ready for command input. Only in this
mode can commands be accepted, interpreted and executed.
All commands directed at the Ethernet modem must be prefixed with the ASCII
code AT or at (not permitted: At or aT) and be followed by "Enter". If several
commands are to be entered, they can each be entered with the AT prefix and
"Enter". It is just as permissible to place these commands in a single line between
an introductory AT and finish the command input with the "Enter" key.
For readability you might want to separate the individual commands with spaces.
On reaching the end of the command line buffer, no further character entry is
possible. The command line can however be edited with the "backspace" key or
executed by pressing "Enter".
3.2 Transmission Mode
After a successful connection setup to a distant terminal, the modem changes
from the command mode to the on-line data mode.
The on-line data mode implies that a connection to a distant data terminal (i.e.
another modem) has been established: The modem is on-line. This applies to a
successful connection setup (outgoing call/ dialing) as well as to the answering of
a call (call accept). In this mode data exchange (data transmission) between two
connected data terminals can take place.
3
To revert to command mode and back again while the connection is up, use the
Escape and ATO commands. The Escape command consists of a sequence of
three Escape characters (default setting: +++) and a valid command line.
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The Escape character is something completely different from the character of
the ASCII character set and can be changed with the S2 register.
After the three Escape characters have been entered, the modem switches to the
command mode. There is, however, no transmission interrupt before a valid
command line is recognized.
1. OnlineMode
2. +++ [2-Second pause]
3. CommandMode
4. ATO
5. OnlineMode
3.3 Quick Reference for AT Commands and Registers
This chart sorted by topic provides frequently used AT commands and registers
which enable you to modify the configuration of your Ethernet modem.
Configuration Commands Registers
Basic modem initialization AT&F
Controls the connection setup (dialing) ATD S37, S102
Call accept, line accept, hang up ATA, ATD, ATH, S0
Switch between command and on-line data mode +++, ATO S2
Read out modem information ATI, ATS, AT%V, AT&V
Employ stored initializations AT&F, AT&W
Controls the effect of DTR AT&D S37
Controls modem responses ATE, ATQ, ATV, AT&D S37
Controls serial speed ATB S31
Password protection ATP, ATZ S81, S82, S83
Callback AT R S110 – S119
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dans d''autres langues
- English: IpCAS ipEther232 User manual
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