LPT-11 Link Power Twisted Pair Transceiver Models

LPT-11 Link Power Twisted Pair Transceiver
Models 50040-02 and 50040R-02
t Complete LONWORKS free topology communication
transceiver and power supply in a miniature SIP
t Receives both network data and power on a single
twisted wire pair
t Provides unmatched electrical noise isolation
t Polarity insensitive network wiring
t 78 kilobits per second network bit rate for distances
up to 500 meters (free topology) and up to 2200 meters
(doubly terminated bus topology)
t Supports free topology star, bus, and loop wiring
t Compatible with the FTT-10A Free Topology
Transceiver, as well as the FT 3120®/FT 3150® Smart
Transceivers
t Supplies 5VDC @ 100mA maximum for node power
t Meets the requirements of the LONMARK TP/FT-10
channel type
®
Description
The LPT-11 Link Power Twisted Pair Transceiver provides
a simple, cost-effective method of adding a network-powered
LONWORKS transceiver to any Neuron Chip-based control
system. The link power system sends power and data on a
common twisted wire pair, and allows the user to install LPT11 transceivers with virtually no topology restrictions. Power
is supplied by a customer-furnished nominal 48VDC power
supply, flows through the LPI-10 Link Power Interface Module
where it is regulated to 42.4VDC, and then passes onto the
twisted wire pair. The LPT-11 transceiver eliminates the need
to use a local power supply at each node since node power is
sent from a central power supply over the same twisted wire
pair that handles network communications.
The LPT-11 transceiver consists of a Single In-Line
Package (SIP) containing a 78kbps differential Manchester
coded communication transceiver, a power supply that extracts
power from the twisted pair network, and connections for the
Neuron Chip Communications Port (CP) lines and twisted pair
network.
The LPT-11 transceiver supports free topology wiring,
freeing the system installer from the need to wire in a bus
topology. Star, bus, and loop wiring are all supported by this
architecture. Free topology wiring reduces the time and
expense of system installation by allowing the wiring to be
installed in the most expeditious manner. It also simplifies
network expansion by alleviating the need for the installer
to follow strict rules about stub lengths. Should it be necessary
to add more nodes or wire runs in excess of 500 meters, link
power segments can be interconnected by a router or a physical
layer repeater.
Model 50040R-02 is compliant with the European Directive
2002/95/EC on the restriction of the use of certain hazardous
substances (RoHS) in electrical and electronic equipment.
®
®
Typical Wiring Topologies Supported by the LPT-11 Link Power Transceiver
LPI-10
Single Termination Bus/Line
LPI-10
LPI-10
Termination
Star
Double Termination Bus/Line
LPI-10
LPI-10
Loop
Mixed
The LPT-11 transceiver includes an integral switching
power supply that requires minimal external components to
furnish +5VDC at up to 100mA. This current is typically used
to power a Neuron Chip and application electronics, sensors,
actuators, and displays. The high current capability of the LPT11 transceiver eliminates the need for local power supplies at
each node, resulting in equipment and labor cost savings.
Using the LPT-11 transceiver can save thousands of
hours of development time compared with designing a custom
transceiver. The transceiver is designed to comply with FCC
Part 15, Level B, and CISPR 22 Level B regulations, minimizing time consuming and expensive laboratory transceiver
testing. As a UL, CSA, and TÜV recognized component, the
LPT-11 transceiver can be integrated into a product with minimal additional safety testing. The transceiver is small enough to
fit into virtually any application, and is economically priced for
OEM applications of any volume.
Echelon offers a comprehensive range of development
tools, network interfaces, routers, and network services tools to
simplify the task of designing products using the LPT-11 transceiver. Technical support for the transceiver is available
through Echelon’s LonSupport™ Premier technical assistance
program.
LPT-11 System Block Diagram
Sensor
Actuator
+5VDC power
LPT-11
Device
FT 3120 / FT 3150
Smart Transceiver
Device
48VDC
Power
Supply
LPI-10
Interface
To additional
LPT-11 or
FT 3120/
FT 3150
Smart
Transceiver
Devices
42.4VDC max.
LPT-11
Device
FT 3120 / FT 3150
Smart Transceiver
Device
LPT-11
Device
LPT-11 Transceiver Pinout
Name
NET_A
NET_B
V+
INDUCTOR
VCC
GND
CLK
NC
TXD
RXD
NC
NC
NC
NC
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
Connection to TP network, polarity insensitive
Connection to TP network, polarity insensitive
Power supply input voltage
Power supply inductor connection
+5VDC power output for device operation
Power supply ground
Transceiver clock input from Neuron Chip
No Connect (not connected internally)
Neuron Chip CP1
Neuron Chip CP0
No Connect (not connected internally)
No Connect (not connected internally)
No Connect (not connected internally)
No Connect (not connected internally)
Mechanical Dimensions
General Specifications
Function
Data Communications Type
Network Voltage
Application Current Output at Node
Free topology link power twisted pair transceiver with integral +5VDC power convertor
Differential Manchester coding
42.4VDC supplied by LPI-10 Link Power Interface Module. Nominal 48VDC input
to LPI-10 Interface provided by customer’s power supply
100mA @ 5VDC ± 10%
EMI
ESD
Radiated Electromagnetic Susceptibility
Fast Transient/Burst Immunity
Surge Immunity
Conducted RF Immunity
Listings
Designed to comply with FCC Part 15 Level B, EN55022 Level B, and CISPR 22 Level B
Designed to comply with EN 61000-4-2, Level 4
Designed to comply with EN 61000-4-3, Level 3
Designed to comply with EN 61000-4-4, Level 4 (network cable only)
Designed to comply with EN 61000-4-5, Level 3
Designed to comply with EN 61000-4-6, Level 3
Recognized by UL to Standards UL 60950, 2000 and CSA C22.2 No. 60950, 2000
Recognized by TÜV EN 60950
Clock Rates
20, 10, 5, or 32.5 MHz input clock. Clock supplied by Neuron Chip and automatically configured by
the LPT-11
78 kilobits per second
128 with LPT-11 output of 5VDC @ 25mA
64 with LPT-11 output of 5VDC @ 50mA
32 with LPT-11 output of 5VDC @ 100mA
1
See User’s Guide for compatible cables
2
1000m (3,280 feet) maximum total wire with one repeater
2
500m (1,640 feet) maximum total wire with no repeaters
2
500m (1,640 feet) maximum node-to-node distance
2
4400m (14,430 feet) with one repeater
2
2200m (7,210 feet) with no repeaters
Polarity insensitive
High impedance when unpowered
Thru-hole pins (1.8mm spacing)
Termination in LPI-10 Link Power Interface Module
-40 to +85°C
-40 to +85°C
Transmission Speed
Maximum LPT-11 Devices Per Segment
Network Cabling
Network Length in Free Topology
Network Length in Doubly Terminated
Bus Topology
Network Bus Polarity
Power-down Network Protection
Connector
Network Terminator
Operating Temperature
Non-operating Temperature
Operating Humidity
(non-condensing)
Non-operating Humidity
(non-condensing)
Packaging
25-90% RH @ 70°C
95% RH @ +70°C
Single In-line Package
Ordering Information
Product
LPT-11 Link Powered Twisted Pair Transceiver
LONWORKS LPT-11 Link Power Transceiver User’s Guide
(order separately — not shipped with product)
LONWORKS LPI-10 Link Power Interface Module User’s Guide
(order separately — not shipped with product)
Echelon Model Number
50040-02, 50040R-02
078-0198-01
078-0104-01
Notes:
1. For compliance to the LONMARK TP/FT-10 Channel, cable must comply with ANSI/TIA/EIA-568-A-1995 Category 5 requirements for 24 AWG unshielded twistedpair cable.
2. Network length varies depending on wire type. Level-4 wire used in examples. See LONWORKS LPT-11 Link Power Transceiver User’s Guide, or Junction Box and
Wiring Guidelines for Twisted Pair LONWORKS Networks, 005-0023-01 Rev. K or later, for detailed specifications.
3. Operation at 2.5MHz does not comply with LONMARK guidelines for the TP/FT-10 channel. 1.25MHz operation is not supported.
Copyright © 2003-2006, Echelon Corporation. Echelon, LON, LONWORKS, LONMARK, LonBuilder, NodeBuilder, LonManager, LonTalk, LonUsers, LonPoint, Digital Home, Neuron, 3120, 3150, LNS, i.LON, LONWORLD,
ShortStack, Panoramix, LonMaker, the Echelon logo, and the LonUsers logo are trademarks of Echelon Corporation registered in the United States and other countries. LonLink, LonResponse, LonSupport, LONews,
Open Systems Alliance, OpenLDV, Powered by Echelon, LNS Powered by Echelon, Panoramix Powered by Echelon, LONWORKS Powered by Echelon, Networked Energy Services Powered by Echelon, NES Powered
by Echelon, Digital Home Powered by Echelon, Pyxos, and Thinking Inside the Box are trademarks of Echelon Corporation. Other trademarks belong to their respective holders.
Disclaimer
Neuron Chips, Free Topology Twisted Pair Transceiver Modules, and other OEM Products were not designed for use in equipment or systems which involve danger to human health or safety or a risk of property
damage and Echelon assumes no responsibility or liability for use of the Neuron Chips or Free Topology Twisted Pair Transceiver Modules in such applications. ECHELON MAKES AND YOU RECEIVE NO
WARRANTIES OR CONDITIONS, EXPRESS, IMPLIED, STATUTORY OR IN ANY COMMUNICATION WITH YOU, AND ECHELON SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.
003-0356-01B
w w w . e c h e l o n . c o m