Pub. 988-0154-472
EP-80R Temp
Electronic Temperature Sensor
Installation and Configuration Instructions
This document shows how to install an EP-80R temp sensor and how to
connect it to a NMEA 2000® network. It also provides instructions on
how to configure your temp sensor with Lowrance digital gauges (LMF-
200 & LMF-400) and display units.
NMEA 2000 is the communication bus standard developed by the
National Marine Electronics Association (NMEA) for use in boats.
Lowrance has introduced a line of products that can communicate over
a NMEA 2000 network (LowranceNet).
All Lowrance NMEA 2000 capable devices are either NMEA 2000
certified or certification is pending.
CAUTION:
Installing LowranceNET NMEA 2000 devices is significantly
different from installing earlier Lowrance components without
NMEA 2000 features. You should read all of the installation
instructions before proceeding. Decide where you want to install
all components before drilling any holes in your vessel.
Some sonar or GPS display units may require a software upgrade to
display NMEA 2000 data correctly. For free software upgrades or
additional information on the LowranceNet NMEA 2000® network
Smart module
NMEA 2000 red
Temp
cable connector
module
The EP-80R temperature sensor.
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LowranceNET Node Kit for a NMEA 2000 network. Includes a 2-foot
extension cable, T connector and two 120-ohm terminators.
Installation
The EP-80R temperature sensor can be mounted in any location where
you want temperature to be monitored. The most common applications
are transom mounts — to measure surface water temperature — or in
a livewell. Wherever you install it, make sure the temp module will be
in contact with the water at all times. If the sensor is mounted on the
transom, make sure it is mounted in a manner that prevents it from
coming into contact with the boat trailer.
Caution:
If you drill a hole in the transom for the cable, make sure it is
located above the waterline. After installation, be sure to seal the
cable hole with the same marine grade above-or below-waterline
sealant used for the screw.
Temp module on transom with cable routed through the transom.
Notice that the sensor was routed so the smart module is inboard.
After determining the location, use the temp module as a template and
mark the hull for the screw's pilot hole. Route the temp module and
cable over or through the transom to the mounting location. If routing
through the transom, drill a 3/4" hole to accommodate the temp
module. Make sure the smart module is inboard and not left exposed on
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the open transom. Attach the temp module to the hull with one #8
stainless steel screw and seal the screw with the below-waterline
sealant compound.
Route the sensor's cable connector to the T on the network backbone
where you intend to attach it, and plug it in.
Connecting to a NMEA 2000 Network
A NMEA 2000 network is a communications link between two or more
devices that transfer NMEA 2000 information. LowranceNET is the
NMEA 2000 networking system developed by Lowrance Electronics. A
NMEA 2000 network functions like the phone wiring in a house. If, for
example, you pick up a phone in the living room you will be able to
hear the conversation someone is having on a phone in the bedroom.
In similar fashion, a NMEA 2000 network allows multiple display units
to receive data from a GPS antenna or multiple sonar units to receive
messages sent by a temperature sensor. A NMEA 2000 network gives
you the flexibility to view information like engine diagnostics and fuel
level data on digital gauges or display units located anywhere on your
boat.
There are two types of LowranceNet red connectors: the single T
connector (left) and the double T connector (right).
Network Backbone and Network Nodes
A network bus backbone consists of network cabling, terminators and T
connectors. Network nodes are made by fitting T-shaped connectors into
the backbone (using the sockets on the sides) and attaching any network
device to the bottom of the T.
Staying with the previous phone wiring example, T connectors on the
backbone are the equivalent of phone jacks spread throughout a house.
To pick up a phone and be able to hear a conversation from another
phone in the house, both phones have to be connected to the main phone
line. In similar fashion, only sensors and display units plugged into the
NMEA network can share information. The network backbone is like the
phone wiring that runs throughout a home.
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It connects the network nodes, allowing them to communicate across the
network. Connections found in the middle of the bus could have T
connectors or backbone network cable plugged into one or both sides.
Connections at the end of a network will have the backbone cable plugged
into one side and a terminator plugged into the other, as shown in the
following figure.
Backbone cable
(to rest of bus)
Terminator at
the end of the
backbone (bus)
Double T
connector
Cable from
sensor or
display unit
Cap for unused
connector
NMEA 2000 network node located at the end of a NMEA 2000 backbone.
NOTE:
If you have a double T Connector on your network that is not
attached to a device, you must cap the unused connector with a
NMEA 2000 cap. This will protect the pin connectors from
corrosion. The NMEA 2000 cap looks like a terminator, but has
"Cap" stamped into the connector housing.
All T connectors on your network probably will be connected to a device.
If you want to add another node to a working network, add another T
connector. T connectors may be purchased from LEI (ordering
information appears on the back page of this booklet). If you are adding a
Lowrance or LEI NMEA 2000 sensor, it will come with a T connector.
Adding a Network Node
You can add a node to any existing connection, anywhere along the
network backbone. This connection could be between a T connector and a
terminator, between two T connectors, between a T connector and a
backbone extension cable or between two extension cables. Wherever you
want to add the new node, separate the sockets of the existing connection
and install the T connector between them.
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If you want to add a node at the end of the backbone (network bus)
remove the terminator from the last connector, like the figure above.
Install the new T connector and attach the terminator to the side of the
connector.
Use T-connector or double T connector to add
device to bus (maintaining linear architecture)
Backbone cable
to rest of bus
Existing network
node
Attach
terminator at
end of bus
Devices connect to
double T connector
In this example, a new device is added to the NMEA 2000 bus by
installing a T connector between a T connector and a terminator at the
end of the backbone (network bus).
Additional Network Information
For more information on creating or expanding a network refer to the
NMEA 2000 network setup booklet, part number 988-0154-173, which
came packed with this document.
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LMF-200: EP-80R
Temp Configuration
This section covers how to use EP-80R Temperature Sensor with the
LMF-200 Multi-function gauge.
NOTE:
You will notice the LMF-200 does not have an Exit key. Menus will
time out after a preset amount of time (3, 5, 10 or 15 seconds). The
default setting is 5 seconds. Refer to your LMF-200 instruction
manual for more information on the Timeout feature.
LMF-200 Multi-function Digital Gauge.
Boat Setup
If this is the first time you have turned on your LMF-200, you will have
to complete Boat Setup before you will be able to configure your temp
sensor. If you have already completed Boat Setup skip ahead to the
segment covering EP-80R Temp Configuration.
To execute Boat Setup:
1. With Boat Setup highlighted on the screen, press MENU. The Boat
Setup menu will appear, allowing you to select an engine-tank
configuration to match the number of engines and fuel tanks on your
vessel. Boat Setup options include: 1 En/1 Tk, 1 En/2 Tk, 2 En/1 Tk, 2
En/2 Tk, 3 En/1 Tk and 3 En/3 Tk.
2. Use the UP and DOWN keys to select the correct configuration and
press MENU.
3. If you selected a configuration with more than one tank you will have
to select the tank you want to set up and press MENU, which will open
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the Tank Size window. (If you choose a single-tank configuration, you
will not have to choose the tank. You will be directed to the Tank Size
window covered in Step 4.)
4. Use the UP and DOWN keys to input the number of gallons the tank
will hold and press MENU. Repeat steps 3 and 4 for each additional
tank. After all tanks have been set up, you will be directed to the main
display.
Boat Setup Reset
If you want to access the Setup screen (Boat Setup) after an engine-
tank configuration has been chosen you will have to reset the
configuration to default settings.
To reset engine tank configuration:
1. Press MENU, highlight SYSTEM SETUP and press MENU.
2. Choose ENG/TANK and press MENU twice. The following message will
appear: Hit menu to reset Eng/Tnk.
3. Press MENU. The Setup screen will appear with Boat Setup
highlighted.
EP-80R Temp Configuration
The EP-80R Temperature sensor has three configuration options:
Inside, Outside and Water. An unconfigured temperature sensor will
appear on the Bus Devices list as UnCfg Temp.
To configure a temp sensor:
1. Press MENU, use the UP and DOWN keys to select SYSTEM SETUP and
press MENU.
2. Highlight B. DEVICES and press MENU. After a few moments the Bus
Devices list will appear.
3. Highlight UNCFG TEMP and press MENU. The following message will
appear: Hit Menu to Cfg Temp Sns.
4. Press MENU to be taken to the Selecting Temp menu, which will have
three options: Inside, Outside and Water.
5. Highlight the desired temp option and press MENU. The temp sensor
has now has been configured. You will be directed to the Bus Devices
list.
NOTE:
If your temp sensor is not updated on the Bus Devices list, refresh
the list by letting it time out and then access it again.
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To unconfigure a temp sensor:
1. Press MENU, use the UP and DOWN keys to select SYSTEM SETUP and
press MENU.
2. Highlight B. DEVICES and press MENU, which will open the Bus Devices
list.
3. Select a temp sensor from the Bus Devices list and press MENU. The
Configuration Options menu will appear with two choices: Unconfig
(Unconfigure) and Reconfig (Reconfigure).
4. Select UNCONFIG and press MENU. The following message will appear:
Hit Menu to Unset Device Name.
5. Press MENU to unconfigure the sensor. You will be directed to the
Bus Devices list, where the temp you unconfigured will be listed as
Uncfg Temp.
NOTE:
If your temp sensor is not updated on the Bus Devices list, refresh
the list by letting it time out and then access it again.
To reconfigure a temp sensor:
To reconfigure a sensor, there must be a configuration name available
(Water, Outside or Inside). If you try to reconfigure a sensor when the
desired configuration name (Water, Outside and Inside) is in use, a
Name Already Selected message will appear.
If all three temps are configured — meaning there is no name
configuration available — follow the first set of instructions. If the
desired configuration name is available, follow the second set of
instructions.
The first set of instructions below will show you how to switch the
configuration of a water temp to an outside temp.
If all temps configured (Configuration name unavailable):
1. Press MENU, use the UP and DOWN keys to select SYSTEM SETUP and
press MENU.
2. Highlight B. DEVICES and press MENU, which will open the Bus Devices
list.
3. Highlight WTR TEMP and press MENU, which will launch the
Configuration Options menu.
4. Select UNCONFIG and press MENU. The following message will appear:
Hit Menu to Unset Device Name.
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5. Press MENU to unconfigure the sensor and return to the Bus Devices
list, where the temp you unconfigured (Water Temp) will be listed as
Uncfg Temp.
6. Highlight OUT T (Outside Temp) and press MENU. The configuration
options menu will appear.
7. Select RECONFIG and press MENU to open the Selecting Temp menu.
Highlight WATER and press MENU. You will be directed to the Bus
Devices list.
8. Highlight UNCFG TEMP and press MENU. The following message will
appear: Hit Menu to Cfg Temp Sns.
9. Press MENU to be taken to the Selecting Temp menu. Choose OUTSIDE
and press MENU. You will be directed to the Bus Devices list, where the
two sensors will be listed with their new configuration names.
If desired configuration name available:
1. Press MENU, use the UP and DOWN keys to select SYSTEM SETUP and
press MENU.
2. Highlight B. DEVICES and press MENU, which will open the Bus Devices
list.
3. Highlight WTR TEMP on the Bus Devices list and press MENU, which
will launch the Configuration Options menu.
4. Select RECONFIG and press MENU to open the Selecting Temp menu.
Highlight OUTSIDE and press MENU. You will be directed to the Bus
Devices list, where the temp will now be shown as Out T. (Outside
Temp).
NOTE:
If your temp sensor is not updated on the Bus Devices list, refresh
the list by letting it time out and then access it again.
Displaying EP-80R Temp Sensor Data
You can display your temperature sensor data on the Gauge, Single
Digital and Dual Digital pages.
Page Screen Rotation
The Page Screen Rotation consists of multiple pages that have been set
for display. Once pages have been added to the rotation, they can be set
to scroll across the screen automatically or manually. Press the UP and
DOWN keys to manually scroll pages across the screen. Pressing the UP
key moves the scroll in one direction. Pushing the DOWN key moves the
scroll in the other direction. You can use Autoscroll if you want the
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pages to automatically scroll across the screen. Refer to your LMF -200
manual for information about Autoscroll.
Adding a page:
1. Press MENU, use the UP and DOWN keys to select PAGES and press
MENU, which will open the Pages menu with the following options: Add
Page, Rem Page, Autoscroll and Set Pop-up.
2. Highlight ADD PAGE and press MENU.
3. Select Gauge, Single Digital or Dual Digital and press MENU. You
will be taken back to the main display, where the page you selected will
be shown.
Customizing Pages
The customizing pages feature allows you to choose what data will be
displayed and how it will be displayed on select pages. You can
customize the Gauge, Single Digital and Dual Digital pages with temp
sensor data.
To customize Gauge page:
1. After the Gauge page has been added to the page screen rotation, use
the UP and DOWN keys to display it on the screen.
2. Press MENU, select CUSTOMIZE and press MENU.
3. Highlight TEMP and press MENU. The Select Temp menu will appear
with three temp types: Inside, Water and Outside.
4. Select the desired temp type and press MENU. You will be taken back
to the main display.
To customize Single Digital page:
1. After the Single Digital page has been added to the page screen
rotation, use the UP and DOWN keys to display it on the screen.
2. Press MENU, select CUSTOMIZE and press MENU.
3. Highlight TEMP and press MENU. The Select Temp will appear,
allowing you to choose from three temp types: Inside, Water and
Outside.
4. Select the desired type and press MENU. You will be taken back to
the main display.
To customize Dual Digital page:
1. After the Dual Digital page has been added to the page screen
rotation, use the UP and DOWN keys to display it on the screen.
2. Press MENU, select CUSTOMIZE and press MENU. The Position menu will
appear with two options: Top Data and Bottom Data.
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3. Select the desired data position and press MENU.
4. Highlight TEMP and press MENU. The Select Temp menu will appear
with three temp types: Inside, Water and Outside.
5. Select the desired type and press MENU. You will be taken back to
the main display. Repeat these steps to customize the other data
position.
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