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ELPRO 905U-L, Installation Manual

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ELPRO 905U-L Installation Manual Download Page 34

 

 

905U-L Wireless I/O Installation Manual 

 

905U-L Wireless I/O 

Page 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 rail: 

 

You can now configure your unit. For more information, see page 35. 

 

Summary of Contents for 905U-L

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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