A Technical appendix...................................................................................................................33
A 1Modbus mapping................................................................................................ 33
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GW PL ETH/…BUS
B Appendixes...............................................................................................................................39
B 1List of figures ...................................................................................................... 39
B 2List of tables ....................................................................................................... 41
B 3Index................................................................................................................... 43
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1For your safety
Read this user manual carefully and keep it for future reference.
1.1Labeling of warning notes
This symbol indicates hazards that could lead to personal injury.
There are three signal words indicating the severity of a potential injury.
DANGER
Indicates a hazard with a high risk level. If this hazardous situation is not
avoided, it will result in death or serious injury.
WARNING
Indicates a hazard with a medium risk level. If this hazardous situation is not
avoided, it could result in death or serious injury.
CAUTION
Indicates a hazard with a low risk level. If this hazardous situation is not avoided,
it could result in minor or moderate injury.
This symbol together with the NOTE signal word alerts the reader to a situation
which may cause damage or malfunction to the device, hardware/software, or
surrounding property.
Here you will find additional information or detailed sources of information.
1.2Qualification of users
The use of products described in this user manual is oriented exclusively to:
–Qualified electricians or persons instructed by them. The users must be familiar with the
relevant safety concepts of automation technology as well as applicable standards and
other regulations.
–Qualified application programmers and software engineers. The users must be familiar
with the relevant safety concepts of automation technology as well as applicable standards and other regulations.
1.3Product changes
Changes or modifications to hardware and software of the device are not permitted.
Incorrect operation or modifications to the device can endanger your safety or damage the
device. Do not repair the device yourself. If the device is defective, please contact
Phoenix Contact.
3433_en_CPHOENIX CONTACT3/46
GW PL ETH/…BUS
1.4Safety notes
Installation, operation, and maintenance may be carried out only by qualified electricians.
Follow the specified installation instructions. The applicable specifications and safety
directives (including the national safety directives), as well as the general technical
regulations, must be observed during installation and operation. The technical data should
be taken from the packaging instructions and the certificates (conformity assessment, other
possible approvals).
Opening the device or making changes to it is not permitted. Do not repair the device
yourself, but replace it with an equivalent device. Repairs may be carried out only by the
manufacturer. The manufacturer is not liable for any damage due to violation of the
prescribed regulations.
The IP20 degree of protection (EN 60529) of the device is intended for a clean and dry
environment.
Do not subject the device to any load that exceeds the prescribed limits.
The device is not designed for use in environments with danger of dust explosions.
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PHOENIX CONTACT3433_en_C
2System description
The GW PL ... system provides a simple way to parameterize and monitor field devices on
an Ethernet network. The modular design allows up to five expansion modules to be
connected to a single head station. All expansion modules are powered via the head
station.
2.1GW PL ETH/…BUS
The GW PL ETH/BASIC-BUS head station provides an efficient data exchange and
communicates on an Ethernet network. Up to five fieldbus-specific expansion modules can
be connected, and the field device data can be accessed using FDT/DTM, HART IP, and
Modbus TCP. The GW PL ETH/UNI-BUS head station also adds PROFINET
communication. The head station features an embedded web server for configuring the
device, as well as a CommDTM for use with an FDT Frame application, such as PACTware.
Table 2-1GW PL ETH/…BUS structure
System description
ItemFunction
1Power connector
2Ethernet port (RJ45)
3Power LED, green
4Status LED, green
Figure 2-1GW PL ETH/…BUS structure
ME BSA / NS35
1
OV
2
4V
24V 0V
4
STPWR
3
GW PL ETH/UNI-BUS
2
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GW PL ETH/…BUS
24V 0V
2.1.1Connections
Power
Connect a 24 V DC power source to the power connector.
+0 V
Figure 2-2Power connection
Ethernet
Connect a CAT5 or better Ethernet cable to the RJ45 port on the GW PL ETH/…BUS and
an Ethernet network (switch). Both crossover (C/O) or 1:1 cables are acceptable, as the
GW PL ETH/…BUS has autocross capability. The cable should not exceed 100 m in length.
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PHOENIX CONTACT3433_en_C
2.2GW PL HART...-BUS expansion modules
The GW PL HART...-BUS expansion modules allow the system to function as a HART to
Ethernet gateway, an up-to-date option that replaces the widely used RS-485 HART
multiplexer solutions. The GW PL HART4-BUS and GW PL HART4-R-BUS are equipped
with four channels, while the GW PL HART8-BUS and GW PL HART8-R-BUS have eight
channels. Up to five expansion modules can be connected to the head station, allowing a
maximum of 40 HART channels to be operated in parallel.
The GW PL HART…-R-BUS provides internal loop resistance of 250 for applications
using a 4 to 20 mA HART isolator or loops with low-loop resistance.
Each channel provides galvanic isolation from the HART signal. With the GW PL
ETH/…BUS CommDTM, the modules can be integrated into an FDT Frame application.
With HART IP protocol, access from the popular HCF OPC server is possible as well.
Common HART parameters can also be accessed using the Modbus TCP or PROFINET
protocol.
Connect the HART field devices according to Figure 2-5 to Figure 2-8. An optional isolator
or repeater power supply may be installed.
GW PL HART/...-BUS
PLC
H+ H-
+
-
A
Figure 2-5HART analog in connection
PHOENIX CONTACT3433_en_C
+
>250 Ω
-
4...20 mA
HART
Vcc
In
A Optional isolator or
repeater power supply
GW PL HART/...-BUS
H+ H-
+
-
+
-
A
Figure 2-6HART analog out connection
GW PL HART/...-BUS
PLC
Out
4...20 mA
System description
A Optional isolator or
repeater power supply
H-
250 Ω
H+
A Optional isolator or
repeater power supply
+
-
A
+
-
24 V0 V
+
-
Figure 2-7HART analog in connection to a GW PL HART…-R-BUS
A
24 V 0 V
+
-
GW PL HART...-R-BUS
H+
250 Ω
H-
A Optional isolator or
repeater power supply
Figure 2-8HART analog out connection to a GW PL HART…-R-BUS
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GW PL ETH/…BUS
2.3GW PL HART8+AI-BUS expansion module
The GW PL HART8+AI-BUS expansion module functions similarly to the GW PL HART8BUS expansion module, but also supplies the loop current to HART slaves, including loop
resistance, and adds the ability to transmit analog data. Up to five HART expansion
modules can be connected to the head station, allowing a maximum of 40 HART channels
to be operated in parallel. Each channel provides galvanic isolation from the HART signal.
Table 2-4GW PL HART8+AI-BUS structure
ItemFunction
1Channel 1 connector
2Channel 2 connector
3Channel 3 connector
4Channel 4 connector
5Channel 5 connector
6Channel 6 connector
7Channel 7 connector
8Channel 8 connector
9Status LEDs (one per channel)
10BUS connector
Figure 2-9GW PL HART8+AI-BUS structure
10
1
5
S6
H-6
H+6
S6
S2
H-2
H+2
S2
S6
S1
H-1
H+1
S1
1
H-
1
H+
2
1
S
22
SH+H- SS H+ H- S
CH2CH5 CH6
CH1
33
H+ H- SS H+ H- S
4
S
3
H- S
44
SH+
4
3
S
1
3
4
H-5
H+6
SH+H-
S
S5
6
62
CH7CH4CH3
8
H+ H- S
8
8
2
6
S
55
55
6
6
9
GW PL HART8+AI-BUS
CH8
7
777
8
8
7
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PHOENIX CONTACT3433_en_C
System description
2.3.1Connections
HART
Connect the HART field devices according to Figure 2-10 and Figure 2-11. An optional
isolator or repeater power supply may be installed.
GW PL HART8+AI-BUS
+
-
+
H+
-
H-
Figure 2-10HART direct connection with current power
GW PL HART8+AI-BUS
+
-
+
H+
-
H-
A Optional isolator or
A
Figure 2-11Intrinsically safe HART connection
repeater power supply
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GW PL ETH/…BUS
2.4GW PL DIO4-BUS
The GW PL DIO4-BUS is a four-channel digital input/output expansion module. The module
can manage inputs that sense the level or status of motors, valves, and other equipment, as
well as outputs for on/off, high/low, and open/close status of motors, pumps, valves,
heaters, fans, and other industrial equipment. Connected to different fieldbus-specific
modules, the GW PL DIO4-BUS can extend any network with digital I/O capabilities.
Table 2-5GW PL DIO4-BUS structure
ItemFunction
1Channel 1 connector
2Channel 2 connector
3Channel 3 connector
4Channel 4 connector
5Status LEDs (two per channel)
6BUS connector
1
B2
A2
-2
+2
6
-1
+1
B1
A1
A-+
A
2
1111
-
2
OUT
+
2
IN
CH1
CH2
CH3
CH4
A
3
-
3
A
+
4
3
-
+
44
2
B
B
2
5
GW PL DIO4-BUS
B
3
B
4
Figure 2-12GW PL DIO4-BUS structure
2.4.1Connections
Digital input
Connect any digital input field devices according to Figure 2-13.
0…30 V DC
GND
Figure 2-13Typical digital input connection
+
-
3
4
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PHOENIX CONTACT3433_en_C
Digital output
Connect any digital output field devices according to Figure 2-14.
24 V DC
A
B
0 V
Figure 2-14Typical digital output connection
System description
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GW PL ETH/…BUS
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3Installation
Installation
All GW PL ... devices are installed on an NS 35 DIN rail. An internal communication bus
within the rail allows the head station to power and communicate with the various expansion
modules. Up to five expansion modules of different types can be attached and powered
from one head station.
3.1Mounting
Installation
1. Hook the GW PL ETH/…BUS head station over the top edge of the DIN rail (A) and
rotate down until it snaps onto the bottom edge of the DIN rail (B).
A
B
Figure 3-1Mounting
2. Repeat step 1 for all expansion modules, ensuring that they are to the right of the
GW PL ETH/…BUS.
3. Slide the expansion modules, one at a time, to the left until the bus connectors mate.
Repeat for each module.
V
4
2
OV
1
S
+
1
H
H1–
1
S
1H
S
S
+
1
2
CH2
3
4
2
H
2–
H
2
S
1
S
2
S
GW PL HART4-BUS
S
3
S
4
S
S
2
S
+
2
H
–
2
H
H
+H– S SH+H–S
H
+H– S SH+H–S
1111
222
CH
1CH2 CH5
CH
3
CH4
H
3
+H– S
4
H
33
+H– S
4
4
1+
–
1
H
1
S
5
S
+
5
H
–
5
H
5
S
1
S
+H
2
S
6H
5
5
CH6
CH
7
CH8
SH+
73
H– S
7
SH+
84
H– S
8
1
H
–
1
1
6
S
111
2
3
4
S
5
S
+
5
H
–
5
H
2
S
2+
H
–
H–H+S
H+S
S
2
1
22
H
1
C
H
2C
C
H
3
CH4
3
H+S
3
SH–H+S
37
H–
4
4
S
4
5
2
S
H
2
S
6
S
+
6
H
6–
H
6
S
S
5
H–H+
5
6
5
S
H–H+SSH–
5
6
6
S
6
CH6CH5
CH7 CH8
GW PL HART8-BUS
H–H+S
7
7
8
S
H–H+S
7
8
8
S
8
+
1
–A
1
1
B1
+
2
–
2
2
A
B2
1
–+
1
+
2
1
–
BA
2
1
A
IN
2
B
2
O
UT
CH
1
CH
2
C
H
3
C
H
4
GW PL DIO4-BUS
+
3
–
3
+
A
4
3
–
B
4
3
A
4
B
4
1
S
+
6
6–
H
55
66662
GW PL HART8+AI-BUS
7
7
8
8
24V 0V
PWR
ST
GW PL ETH/UNI-BUS
2
S
H
11
+H–
SS
22
H
+
H–
CH
1
C
H3 CH4
S
33
H
+
H–
SS
H
+
H–
44
Figure 3-2Module and terminator plug installation
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GW PL ETH/…BUS
4. Install the terminator plug (1) on the last module.
The terminator plug is shipped on the GW PL ETH/…BUS. It must be removed from that
module and installed on the last module.
Removal
1. Remove power and disconnect the cables to the head station.
2. Slide the last terminator to the right, away from the head station.
3. Using a screwdriver, release the latch and rotate the bottom of the module off the DIN
rail.
4. Lift the module off the top rail and remove.
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4Programming
4.1Default settings
The default network settings of the GW PL ETH/…BUS are:
The default settings are invoked whenever the system is reset.
4.1.1Login
1. Set the IP address of the connected PC to the subnetwork of the GW PL ETH/…BUS:
2. Open a web browser and enter the IP address of the GW PL ETH/…BUS in the
Programming
IP address: 192.168.254.254
Subnet mask: 255.255.255.0
Gateway: 0.0.0.0
for example, IP = 192.168.254.10, subnetwork = 255.255.255.0.
“Address” field (default = 192.168.254.254).
The web server responds immediately.
Figure 4-1Log-in screen
If the web server does not load, first check the IP parameters of the PC. If everything is set
correctly, check if there are any proxy settings loaded in the web browser. The proxy
setting must be “Load automatically” or “Deactivated” to properly establish
communication.
3. Enter the credentials to access the web server configuration pages. The default
credentials are:
User name:Admin
Default password:admin
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GW PL ETH/…BUS
Powering multiple devices with factory default IP addresses will cause a network conflict,
and incorrect parameters may be set in the GW PL ETH/UNI-BUS modules. When
programming modules for the first time, it is important to apply power to only one at a time,
and change the IP address of each module to a unique IP address. Once each device has
a unique IP address they can be powered on together while on the same network.
Figure 4-2“Home” screen of the GW PL ETH/UNI-BUS
4.2Configuration via web server
The user-friendly, web-based management interface can be used to manage the GW PL
ETH/…BUS from anywhere in the network using a standard browser. Comprehensive
configuration and diagnostic functions, including a wide range of information about the
device itself, the current parameters, and the operating state, are clearly displayed on a
graphic user interface.
4.2.1General settings
Click the “General Settings” tab to view and edit general information about the GW PL
ETH/…BUS.
Figure 4-3“General Settings” page
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PHOENIX CONTACT3433_en_C
Programming
Groups of attributes can be expanded and collapsed by clicking the arrow to the left of the
group name.
The “General Settings” page displays basic information and time settings for the respective
GW PL ETH/…BUS head station.
Device Identification
Provides fields in which to enter descriptive information regarding the GW PL ETH/…BUS.
This information may be visible to other devices.
–Device Tag: Enter a name for the device. The default is GW PL ETH/…BUS. The field
accepts up to 32 characters. Spaces are not allowed.
–Contact: Enter the name of a contact person, group, or department responsible for this
device.
System Time and Date
–Manual: Enter the time and date in the appropriate fields.
–Use PC Clock: Transfers the current time and date from a connected PC to the GW PL
ETH/…BUS.
–Use NTP Server: The time and date are downloaded from the server(s) specified in the
“Time Server 1” and “Time Server 2” fields. The “Time Zone” field must also be specified
for the time to display correctly.
4.2.2LAN configuration
Click the “LAN Settings” tab to view and edit the network information.
Figure 4-4“LAN Settings” page
Groups of attributes can be expanded and collapsed by clicking the arrow to the left of the
group name.
–LAN IP Address: Chose the method the network uses to obtain IP addresses. If a
DHCP server on the network assigns IP addresses, click the “Using DHCP to get an IP
address” option button.
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GW PL ETH/…BUS
If using static IP addresses, click the “Specify a static IP address” option button. Enter
the desired information in the fields provided.
Each device must have a different IP address. When the IP address is changed from the
factory default, you must know the address to log back in to the web server. If DHCP
addressing is used, additional software may be necessary to determine the IP address
based on the MAC address of the device.
Click the “Apply Changes” button to save the configuration.
4.2.3Diagnostics
Click the “Diagnostics” tab to view the expansion modules that are connected to the GW PL
ETH/…BUS head station.
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Figure 4-5“Diagnostics” page
The “Diagnostics” page provides the slave ID designation for any connected expansion
modules. Click the “Live list” link under each module to view information about the HART
devices connected to that module.
4.2.3.1Live list
The “Live list” page displays information about all devices connected to the selected GW PL
ETH/…BUS expansion module.
Figure 4-6“Live list” page
PHOENIX CONTACT3433_en_C
Programming
Fields specific to the device are visible on the “Live list” page. These values are important
when determining Modbus addresses and when configuring PROFINET.
–Channel: Displays the physical channel the specified device is connected to. Refer to
“Modbus registers” on page 33 for the corresponding Modbus register.
–Tag: Displays the device-specific tag programmed into the device at time of
commissioning.
–Device Type: Displays the manufacturer’s device-specific product name.
–Manufacturer: Displays the name of the device manufacturer.
–HART Revision: Displays the HART version of the connected device. This is useful
when determining the type of data available.
The poll address must be 0 for Modbus data to be available to other devices.
–Status: Displays device-specific information for operation of the connected device.
Status codes are only valid for devices that utilize HART Revision 6 and higher.
Table 4-1Status codes
CodeDescriptionExplanation
0x01Maintenance requiredThe field device requires maintenance.
0x02Device variable alertThis bit is set to indicate that a process vari-
able has entered an alarm or warning state.
0x04Critical power failureThe power source dropped below a sustain-
able level to maintain operation of the device.
0x08FailureThe process variables are out of range due to
a malfunction in the device.
0x10Out of specificationEnvironmental conditions (temperature, hu-
midity, etc.) are outside the device’s permissible range.
0x20 Function checkWork or maintenance is currently being per-
formed on the specific device.
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GW PL ETH/…BUS
4.2.4Protocol settings
Click the “Protocol Settings” tab to view and configure the protocols available for
communication between the GW PL ETH/…BUS and the host system.
Figure 4-7“Protocol Settings” page
Modbus and PROFINET cannot be active at the same time.
4.2.4.1HART IP configuration
HART IP is a connection option that facilitates host-level systems to access and integrate
measurement and device diagnostics information from HART-enabled field devices using
the existing plant networking infrastructure.
The GW PL ... modules will act as a gateway between a HART IP-enabled host station, such
as a HART Server, PDM, PACTware, HCF OPC Server, etc., and a HART device.
When adding the GW PL ETH/…BUS to a HART IP-enabled host system, use the following
configuration:
Network
Port5094
Poll address0
IP addressPhysical LAN port address
1
1
TCP is recommended
TCP/UDP
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4.2.4.2Modbus configuration
When the GW PL ETH/…BUS is used in conjunction with any GW PL HART… expansion
modules, the process variables of a HART device can be accessed. Additionally, digital
inputs and outputs can be monitored and controlled with GW PL DIO4-BUS modules.
Activate Modbus
Navigate to the “Protocol Settings” page in the web-based manager (see Figure 4-7).
Check the “Modbus TCP” box to activate the Modbus registers on TCP port 502. The
system automatically requests several HART parameters from the field devices and
populates the correct Modbus registers.
The polling address of any HART devices must be set to 0.
Click the “Apply changes” button to save changes.
PHOENIX CONTACT3433_en_C
Programming
Modbus mapping
See “Modbus registers” on page 33 for mapping of HART-device process variables.
4.2.4.3ARCOM
When the GW PL ETH/…BUS is connected with Emerson AMS, the ARCOM protocol must
be activated. Check the “ARCOM” protocol box and enter a TCP port number. It is freely
configurable, but you must ensure that no other service on the network is using the TCP port
chosen.
Click the “Apply Changes” button to activate ARCOM.
COM Port Redirector
The redirector application is used to create a virtual COM port on the PC running Emerson
AMS. The virtual COM ports are physically redirected to the network card and a destination
IP in the network. One GW PL ETH/…BUS with a corresponding IP address is configured
as the receiver in the network for each COM port.
The COM Port Redirector software can be downloaded from
phoenixcontact.com
Launch the redirector application, click the “New Port” button, and then select Client.
Choose a COM port number, and enter the IP address of the GW PL ETH/…BUS and
ARCOM TCP port number. Click the “OK” button to create the virtual COM port.
Figure 4-8“Create New Port” dialog box
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GW PL ETH/…BUS
Emerson AMS
1. Install the EDD file for the GW PL ETH/…BUS by using the “Add Device Type” tool in
AMS.
Figure 4-9“Add Device Type” dialog box
2. Start the “Network Configuration” tool in AMS, and select Multiplexer Network. Click the
“Install” button and follow the prompts to the “Connection” screen.
3. Select the virtual COM port and set the multiplexer address range from 0 to 1.
Figure 4-11“Connection” dialog box
4. Launch AMS Device Manager. The GW PL ETH/…BUS should appear. Right click on
the icon, and select Rebuild Network from the context-sensitive menu. AMS will scan
for HART devices connected to the GW PL ETH/…BUS.
When the GW PL ETH/UNI-BUS is used with GW PL HART… expansion modules, the
process variables of a HART device can be accessed via PROFINET.
The PROFINET slot address is determined via the GSDML Creation Tool.
Only one PROFINET connection can be open at a time.
The polling address of any HART device must be set to 0.
Activate PROFINET
Figure 4-13“Protocol Settings” page
1. Click the “Protocol Settings” tab in the web server.
2. Click the “Profinet” checkbox.
GSDML file creation
Each channel on every expansion module has a unique PROFINET slot address
corresponding to the position (1 to 5) of the module in the station. GSDML files describe the
features of a PROFINET device in XML format. This file is then loaded into a PROFINET
master. This allows the PROFINET master to access the process variables of a HART
device.
The GSDML Creation Tool is available from the download section of the GW PL ETH/UNIBUS details page at
phoenixcontact.com.
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PHOENIX CONTACT3433_en_C
Programming
1. Using a file explorer, navigate to the GSDML.exe file and double-click the file. The initial
view shows the GW PL ETH/…BUS head station without any installed expansion
modules.
Figure 4-14GSDML Creation Tool
2. Click the “Expand” button in the upper left corner to display the available modules.
Figure 4-15GSDML Creation Tool with expansion module support opened
3. Click the desired expansion module in the upper window that is physically installed next
to the GW PL ETH/…BUS head station.
Expansion modules must be selected and displayed in the same order as they are
physically installed.
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GW PL ETH/…BUS
Figure 4-16Exporting a GSDML file
4. Click the “File/Export GSDML…” menu to open a “Browse” dialog box. Navigate to the
desired location, enter a file name, and click the “Export” button. Three files are created:
an .xml, an .html, and a .bmp file, all based on the name entered.
–The .xml file can be used directly in a PROFINET master for direct programming in
PROFINET.
–The .html document designates the PROFINET slots for specific HART channels
combined with the HART device slave address.
–The .bmp file is used in the PROFINET master to display an icon representing the
GW PL ETH/…BUS system.
5. Load the files according to the PROFINET controller procedure.
4.2.4.5FDT/DTM
If a host system supporting DTMs is used, such as PACTware, a user must download the
DTM from
the host system.
An FDT container can be downloaded from phoenixcontact.com.
phoenixcontact.com and install it prior to connecting the GW PL ETH/…BUS to
4.2.5Device maintenance
Click the “Device Maintenance” tab to access the available maintenance functions of the
GW PL ETH/…BUS head station.
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PHOENIX CONTACT3433_en_C
Programming
4.2.5.1Restore defaults
From the “Device Maintenance” page, click the “Restore Defaults” tab to return the GW PL
ETH/…BUS to the original factory defaults, including the IP address.
Figure 4-17“Restore Defaults” page
Check the “Check the box to confirm...” box, and then click the “Apply Changes” button.
Note that the IP address will return to the factory defaults and may require modification to
prevent multiple devices on the network from trying to use the same address.
4.2.5.2Passwords
From the “Device Maintenance” page, click the “Passwords” tab to change the password
used to access the web server.
Figure 4-18“Passwords” page
The GW PL ETH/…BUS has administrator-level passwords. The administrator-level user
may make changes to the configuration.
The default user name and password are:
User nameAdmin
Passwordadmin
The “Password” field is case sensitive. The user name is fixed and cannot be modified.
To change a password, enter the current password and the new password (twice) in the
appropriate fields.
Click the “Apply Changes” button to save changes.
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GW PL ETH/…BUS
4.2.5.3Log files
From the “Device Maintenance” page, click the “Log Files” tab to review the log files.
Figure 4-19“Log Files” page
The log files can be used to aid in troubleshooting.
Click the “Syslog” button to open the file in a text editor. All configuration changes made to
the system are recorded.
4.2.5.4Update firmware
From the “Device Maintenance” page, click the “Update Firmware” tab to install a new
version of the firmware.
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Figure 4-20“Update Firmware” page
Occasionally, a new version of firmware may be provided to enhance operation of the
GW PL ETH/…BUS or any of the modules. To install a new version of firmware, download
the firmware to a local drive on the connected computer. Click the “Choose File” button and
navigate to the file in the “Browse” dialog box. Highlight the file to select it, click the “Close”
button, and then click the “Apply Changes” button to install the firmware.
NOTE:
Ensure a reliable power connection is available during the firmware update. Do not restart
the module or disconnect the Ethernet cable during this process.
When firmware is updated, the device configuration will be lost.
PHOENIX CONTACT3433_en_C
5Troubleshooting
5.1Resetting the device
If, for some reason, you need to reset the module to factory settings, there are two methods
available.
Hardware reset
The reset button resets the device to the default settings, without the use of a PC, loaded
during manufacturing, including the user interface settings. Any user-loaded firmware,
including updates, is also removed.
Troubleshooting
24V 0V
STPWR
GW PL ETH/UNI-BUS
Reset button
Figure 5-1GW PL ETH/UNI-BUS reset button
While connected to the power source:
1. Press and hold the reset button for at least five seconds.
Reinitializing the module and firmware reset may take some time. Do not disconnect
from power.
2. After a successful reset, the module will return to the factory default address
(192.168.254.254).
Software reset
A software reset returns the user interface settings to the default settings.
1. Start the web server and navigate to the “Device Maintenance/Restore Defaults” page.
2. Click the check box on the page.
3. Click the “Apply Changes” button.
4. After a successful reset, the module will return to the factory default address
(192.168.254.254).
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GW PL ETH/…BUS
5.2LEDs
The GW PL ETH/UNI-BUS and GW PL ETH/BASIC-BUS include two LEDs.
Table 5-1Head station LEDs
LabelIndicationDescription
PWROnPower supplied, normal operation
OffNo power: Check power source
STOnDevice is booting
OffNormal operation
Flashing (1 Hz)
Flashing (2 Hz)
Flashing (10 Hz)
1
The ST flash indications only apply with an active PROFINET connection
1
1
1
The GW PL ETH/…BUS expansion modules have LED indication for each channel.
Table 5-2Channel LEDs
Device identification: Responding to DCP request
from host (typically 3 s duration)
Bus failure: No connection to controller; network
cable unplugged, etc.
System failure
IndicationDescription
OffChannel not initialized
On greenChannel initialized
FlashingHART data transfer
On red (GW PL HART8+AI-BUS only)Short circuit detected, power to the channel is
disabled
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PHOENIX CONTACT3433_en_C
A Technical appendix
A 1Modbus mapping
Each expansion module has a unique Modbus slave ID corresponding to the position (1 to
5) of the module in the station.
STPWR
①②③④⑤
GW PL ETH/UNI-BUS
Figure A-1Slave ID designation for expansion modules
Technical appendix
For example, to read the Primary Value (PV) of a HART device connected to module 1,
configure the Modbus client to request registers 30256 and 30257 from Slave ID 1 of the IP
address of the head station.
Modbus function codes 3, 4, 6, and 16 are supported.
With the GW PL DIO4-BUS, the status of digital input signals can be monitored. A value of
1 indicates the input is on, and a value of 0 indicates the input is off (see Table A-3 on
page 37).
With the GW PL DIO4-BUS, the digital output signals can control external devices by writing
a 1 to turn on the output channel and writing a 0 to turn off the output channel (see Table A-4
on page 37).
The Modbus TCP client must support Modbus slave IDs in conjunction with the IP address
of the Modbus TCP server (the GW PL ETH/…BUS head station).
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PHOENIX CONTACT3433_en_C
Table A-2Status word
High byteLow byte
ValueDescriptionValueDescription
0x00Valid data received (see low byte values)0x01
0x02
0x03
0x04
0x05
Valid PV
Valid SV
Valid TV
Valid QV
Unexpected length of CMD2 in valid
response
0x01Busy Not used
0x02Disabled Not used
0x10Initialization of HART communication with
Not used
device
0x20HART IP failure (see response code)0x23HART server disconnected
0x21HART failure (see response code)0xFF
Other value
Internal error
HART response code
0x24No response from HART deviceNot used
0xFEInvalid (see response code)0xFFUnavailable channel
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