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905U-L Wireless I/O Installation Manual

905U-L Wireless I/O

Page 39 of 40

Version 1.9

Index

2 wire transducer ..................................................... 27

4 wire transd

ucer

.................................................... 27

AC relays ................................................................. 24

active pulse device .................................................

See

active signal device ................................................. 23

analog input ............................................................. 26

analog output ........................................................... 31

antennas .................................................................. 17

compatible cables ............................................... 13

dipole .................................................................. 17

installing .............................................................. 15

polarization .......................................................... 19

supported antennas ............................................ 13

arcing ....................................................................... 24

bench testing ........................................................... 36

cable

loss ...................................................................... 14

cables

for antennas ........................................................ 13

supported cables ................................................. 13

CFD890EL ............................................................... 13

coaxial surge diverter .............................................. 16

configuration

default factory ...................................................... 35

user-defined customized ..................................... 35

configuring ............................................................... 35

connections

taping .................................................................. 16

current sink

output ................................................... 28

current source output ............................................... 27

DC relays ................................................................. 24

DCS ......................................................................... 26

digital inputs............................................................. 23

DIN rail .................................................................... 34

dipole antennas ....................................................... 17

electronic proximity switches ................................... 23

explosive areas ........................................................ 21

floating input device ................................................. 31

flyback diodes .......................................................... 24

gain

net gain ............................................................... 14

horizontal polarization .............................................. 19

installing .................................................................. 34

instrument transducers ............................................ 26

interference.............................................................. 15

internal surge protection .......................................... 21

LEDs

receiver ............................................................... 12

transmitter ........................................................... 10

lightening rod ........................................................... 16

lightening strike ........................................................ 16

line of sight .............................................................. 15

linearization tables ................................................... 29

loop powered device ................................................ 31

maximum transmission distance .............................. 15

mechanical switches ................................................ 23

millivolt signal .......................................................... 29

net gain .................................................................... 14

obstructions ............................................................. 15

intermediate ........................................................ 15

over-voltage ............................................................. 26

passive transistor ..................................................... 30

pin-out...................................................................... 38

PLC ......................................................................... 26

polarization .............................................................. 19

polarized .................................................................. 19

power supply ........................................................... 21

installing .............................................................. 21

problems .................................................................. 36

pulse input ............................................................... 30

PVC tape ................................................................. 16

Radio Frequency Interference ................................. 26

receiver

components ......................................................... 11

front panel ........................................................... 12

LEDs ................................................................... 12

terminal connections ........................................... 11

relay outputs ............................................................ 24

reliable path ............................................................. 15

repeater ................................................................... 15

reverse voltage ........................................................ 26

RFI ........................................................................... 26

RJ-45 ....................................................................... 38

rotary switch ............................................................ 10

changing position ................................................ 10

setpoint levels ..................................................... 10

RS-232 .................................................................... 38

serial cable .............................................................. 38

setpoint

thermocouple ...................................................... 22

setpoint levels .......................................................... 10

SG900-6 .................................................................. 13

SG900EL ................................................................. 13

shielding .................................................................. 16

signals ..................................................................... 35

single-ended input device ........................................ 32

SMA connector ........................................................ 16

solutions .................................................................. 36

Содержание 905U-L

Страница 1: ...Installation Manual 905U L Wireless I O Version 1 9 man_905U L_installation_v1 9 doc...

Страница 2: ...if an equivalent product is available This warranty does not extend to Failures caused by the operation of the equipment outside the particular product s specification or Use of the module not in acc...

Страница 3: ...antennas 17 Collinear antennas 17 Yagi antennas 19 Installing the power supply 21 Inputs and outputs_________________________________________________________ 22 Digital inputs 23 Relay outputs 24 Sta...

Страница 4: ...905U L Wireless I O Installation Manual 905U L Wireless I O Page 4 of 40 Version 1 9 This page intentionally left blank...

Страница 5: ...antennas available from vendors specified by ELPRO Please contact ELPRO for end user antenna and connector recommendations In accordance with 47 CFR Part 15 Subpart C Section 15 203 only the following...

Страница 6: ...overnment agency This is done so the government can coordinate radio users in order to minimize interference UL Notice THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS I DIVISION 2 GROUPS A B C AND D HAZAR...

Страница 7: ...for using your unit Learn the basic steps for installing and using your unit Factory default configuration Understand how the transmitter sends information to the receiver Unit components Understand...

Страница 8: ...nections on page 9 3 Install the antenna Learn how to install an antenna with your unit Installing the antenna on page 13 4 Install the power supply Learn how to install a power supply for your unit I...

Страница 9: ...Version 1 9 Unit components and connections This section shows the components and terminal connections for the transmitter and receiver units Transmitter unit The 905U L T transmitter unit has the fol...

Страница 10: ...wer supply OK LED Green Current status of the unit OK OK LED Red Fault condition detected in unit TX Led Flashes Transmitting Message PG LED on Configuration Cable Connected Input LED ON Input LEDS i...

Страница 11: ...00mA For inductive load use surge diodes LOAD LOAD SYSTEM OK COMMS FAIL COMMON AO POWER SUPPLY 24V ANALOG OUTPUT Max analog load 900 ohm DO 3 DO 3 DO 2 DO 1 DO contacts are rated at 1A 250VAC For good...

Страница 12: ...Output D3 is ON LEDs with RSSI Push Button Pressed When you press the RSSI push button the unit shows the signal strength by lighting the LEDs from the bottom to the top Signal strength is the strengt...

Страница 13: ...ing Yagi antennas Yagi antennas on page 19 For more information see the next sections Supported antennas You can use the following antennas with the units Antenna Additional information Total gain inc...

Страница 14: ...tion is the gain of the antenna in dBi less the loss in the coaxial cable in dB For example an SG900 6 antenna with a CC20 900 cable has a net gain of 2dB i e 8 dB 6 dB at 900 MHz The 905U L R module...

Страница 15: ...ctions reduce the range however they may not prevent a reliable path The closer the obstruction is to the antenna the greater the blocking effect For example a group of trees around the antenna is a l...

Страница 16: ...es We also recommend using a coaxial surge diverter for antennas mounted outside industrial plant environments If the antenna is not already shielded from lightning strike by an adjacent earthed struc...

Страница 17: ...rably no less than 1 metre away from a wall or mast for maximum performance Collinear antennas Collinear antennas transmit the same amount of radio power in all directions horizontally and are easy to...

Страница 18: ...905U L Wireless I O Installation Manual 905U L Wireless I O Page 18 of 40 Version 1 9 The following diagrams shows the recommended installation for collinear and dipole antennas...

Страница 19: ...nna gain Note Yagi antennas usually have a drain hole on the folded element You should position the drain hole at the bottom when installing the antenna You can install Yagi antennas Vertically polari...

Страница 20: ...905U L Wireless I O Installation Manual 905U L Wireless I O Page 20 of 40 Version 1 9 The following diagrams shows the recommended installation for collinear and dipole antennas...

Страница 21: ...125 mA The power supply can be a floating supply or negatively grounded The transmitter provides a 24V DC regulated supply for analog loop power The supply is rated at 35 mA and should ONLY be used fo...

Страница 22: ...er range Analog input on page 26 24V Loop supply 1 Provides power for 1 external current loop up to 35 mA Installing the power supply on page 21 Analogue setpoint 1 Allows discrete setpoint to be cont...

Страница 23: ...devices are not suitable The unit provides contact wetting current of approximately 5mA to maintain reliable operation of driving relays Each digital input is connected between the appropriate Digita...

Страница 24: ...s to turn off if no command message is received by the output for a certain period This feature provides an intelligent watchdog for each output so communications failure at a transmitting site causes...

Страница 25: ...tatus output circuit is associated with an LED indicator that lights lit when the digital output is active The following table details the status output behavior Status output LED LED status Descripti...

Страница 26: ...re additional protection in high voltage or noisy environments or for long wiring runs A 24VDC loop supply is available on the 905U L T module for powering the analog transducer loops In this situatio...

Страница 27: ...O Installation Manual 905U L Wireless I O Page 27 of 40 Version 1 9 The following diagrams illustrate different connection methods Analog signal source Example 2 wire transducer 4 wire transducer Curr...

Страница 28: ...905U L Wireless I O Installation Manual 905U L Wireless I O Page 28 of 40 Version 1 9 Analog signal source Example Current sink output...

Страница 29: ...ocouple or a millivolt level signal The module provides linearization tables for J K and T type thermocouples and also supports other types via a user linearization table Millivolt signals in the rang...

Страница 30: ...imum off time 20 mSec Minimum on time 20 mSec Using this mode you can map the pulse count to a remote output by transmitting the pulse count to a 905U G module register or re generating as a Pulse Out...

Страница 31: ...vice e g electronic indicator recorder PLC DCS input etc by connecting the output between the Analog Output terminal and the COM terminal Note Zener protection of analog outputs provides protection ag...

Страница 32: ...905U L Wireless I O Installation Manual 905U L Wireless I O Page 32 of 40 Version 1 9 Connection method Example To single ended input device...

Страница 33: ...ng sections Section Description For more information see Installing the unit Describes how to physically install your unit Installing the unit on page 34 Configuring your unit Describes the different...

Страница 34: ...of 40 Version 1 9 Installing the unit To install the unit 1 Connect signals to the supplied terminals 2 Connect the radio antenna 3 Install DIN rail to mount the module 4 Clip the module to the DIN ra...

Страница 35: ...mised configuration see the User Manual For more information on setting the factory default configuration refer to the Quick Start Guide included with your module The following table details the facto...

Страница 36: ...rcome obstructions Using an intermediate unit as a repeater Red OK LED Power Supply voltage Supply should be between 9 and 30VDC Analog loop supply current The analog loop supply is rated for 35 mA ma...

Страница 37: ...n Class 1 Div 2 explosive areas the power supply must be approved for Class 1 Div 2 use WARNING Explosion hazard do not disconnect while circuit is live unless area is known to be non hazardous Transm...

Страница 38: ...esting The serial port is an 8 pin RJ 45 plug that communicates using standard RS 232 signals Signal information Value Baud rate 9600 Bits 8 bits with 1 stop bit Parity No parity ELPRO can supply a co...

Страница 39: ...gain net gain 14 horizontal polarization 19 installing 34 instrument transducers 26 interference 15 internal surge protection 21 LEDs receiver 12 transmitter 10 lightening rod 16 lightening strike 16...

Страница 40: ...electronic proximity 23 switches mechanical 23 taping connections 16 testing 36 thermocouple 29 thermocouple setpoint 22 transducers 26 transmitter components 9 front panel 10 terminal connections 9...

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