BIRD 4042 Manuel utilisateur
Channel Power Sensor
Model 4042
Operation Manual
©Copyright 2019
by Bird Technologies, Inc.
Instruction Book Part Number 920-4042 Rev. C
i
Safety Precautions
The following are general safety precautions that are not necessarily related to
any specific part or procedure, and do not necessarily appear elsewhere in this
publication. These precautions must be thoroughly understood and apply to all
phases of operation and maintenance.
WARNING
Keep Away From Live Circuits
Operating Personnel must at all times observe general safety precautions. Do
not replace components or make adjustments to the inside of the test
equipment with the high voltage supply turned on. To avoid casualties, always
remove power.
WARNING
Shock Hazard
Do not attempt to remove the RF transmission line while RF power is present.
WARNING
Do Not Service Or Adjust Alone
Under no circumstances should any person reach into an enclosure for the
purpose of service or adjustment of equipment except in the presence of
someone who is capable of rendering aid.
WARNING
Safety Earth Ground
An uninterruptible earth safety ground must be supplied from the main
power source to test instruments. Grounding one conductor of a two
conductor power cable is not sufficient protection. Serious injury or death can
occur if this grounding is not properly supplied.
WARNING
Resuscitation
Personnel working with or near high voltages should be familiar with modern
methods of resuscitation.
WARNING
Remove Power
Observe general safety precautions. Do not open the instrument with the
power applied.
Safety Precautions
ii
Safety Symbols
Note: Calls attention to supplemental information.
Warning Statements
The following safety warnings appear in the text where there is danger to
operating and maintenance personnel, and are repeated here for emphasis.
Refer to page 4.
WARNING
Warning notes call attention to a procedure, which if not correctly performed,
could result in personal injury.
CAUTION
Caution notes call attention to a procedure, which if not correctly performed,
could result in damage to the instrument.
WARNING
Leaking RF energy is a potential health hazard. Never attempt to connect or
disconnect equipment from the transmission line while RF power is being
applied. Severe burns, electrical shock, or death can occur.
Channel Power Sensor 4042
iii
Safety Statements
USAGE
ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY
THE MANUFACTURER MAY IMPAIR THE INSTRUMENT’S SAFETY
PROTECTION.
USO
EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA
POR EL FABRICANTE, PUEDE ANULAR LA PROTECCIÓN DE
SEGURIDAD DEL INSTRUMENTO.
BENUTZUNG
WIRD DAS GERÄT AUF ANDERE WEISE VERWENDET ALS VOM
HERSTELLER BESCHRIEBEN, KANN DIE GERÄTESICHERHEIT
BEEINTRÄCHTIGT WERDEN.
UTILISATION
TOUTE UTILISATION DE CET INSTRUMENT QUI N’EST PAS
EXPLICITEMENT PRÉVUE PAR LE FABRICANT PEUT
ENDOMMAGER LE DISPOSITIF DE PROTECTION DE
L’INSTRUMENT.
IMPIEGO
QUALORA QUESTO STRUMENTO VENISSE UTILIZZATO IN MODO
DIVERSO DA COME SPECIFICATO DAL PRODUTTORE LA
PROZIONE DI SICUREZZA POTREBBE VENIRNE COMPROMESSA.
Safety Precautions
iv
SERVICE
SERVICING INSTRUCTIONS ARE FOR USE BY SERVICE - TRAINED
PERSONNEL ONLY. TO AVOID DANGEROUS ELECTRIC SHOCK, DO
NOT PERFORM ANY SERVICING UNLESS QUALIFIED TO DO SO.
SERVICIO
LAS INSTRUCCIONES DE SERVICIO SON PARA USO EXCLUSIVO
DEL PERSONAL DE SERVICIO CAPACITADO. PARA EVITAR EL
PELIGRO DE DESCARGAS ELÉCTRICAS, NO REALICE NINGÚN
SERVICIO A MENOS QUE ESTÉ CAPACITADO PARA HACERIO.
WARTUNG
ANWEISUNGEN FÜR DIE WARTUNG DES GERÄTES GELTEN NUR
FÜR GESCHULTES FACHPERSONAL. ZUR VERMEIDUNG
GEFÄHRLICHE, ELEKTRISCHE SCHOCKS, SIND
WARTUNGSARBEITEN AUSSCHLIEßLICH VON QUALIFIZIERTEM
SERVICEPERSONAL DURCHZUFÜHREN.
ENTRENTIEN
L’EMPLOI DES INSTRUCTIONS D’ENTRETIEN DOIT ÊTRE RÉSERVÉ
AU PERSONNEL FORMÉ AUX OPÉRATIONS D’ENTRETIEN. POUR
PRÉVENIR UN CHOC ÉLECTRIQUE DANGEREUX, NE PAS
EFFECTUER D’ENTRETIEN SI L’ON N’A PAS ÉTÉ QUALIFIÉ POUR
CE FAIRE.
ASSISTENZA TECNICA
LE ISTRUZIONI RELATIVE ALL’ASSISTENZA SONO PREVISTE
ESCLUSIVAMENTE PER IL PERSONALE OPPORTUNAMENTE
ADDESTRATO. PER EVITARE PERICOLOSE SCOSSE ELETTRICHE
NON EFFETTUARRE ALCUNA RIPARAZIONE A MENO CHE
QUALIFICATI A FARLA.
Channel Power Sensor 4042
v
About This Manual
This manual covers the operating and maintenance instructions for the
following models:
Changes to this Manual
We have made every effort to ensure this manual is accurate. If you discover any
errors, or if you have suggestions for improving this manual, please send your
comments to our Solon, Ohio factory. This manual may be periodically updated.
When inquiring about updates to this manual refer to the part number and
revision on the title page.
Chapter Layout
Introduction — Describes the features of the 4042 Channel Power Sensor.
Installation — Describes how to set up and prepare the 4042 Power Sensor for
use.
Maintenance — This section provides the specifications for the 4042 Power
Sensor as well as a model identification table.
4042 Series - Channel Power Sensors
vi
Table of Contents
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Warning Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Safety Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Changes to this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Chapter Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Purpose and Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Channel Sensor Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Data Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Power Sensor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CPM Serial Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Customer Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Model Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1
Chapter 1 Introduction
Purpose and Function
The Bird 4042 Series Channel Power Sensors are digital power sensors designed
for use with the Bird Channel Power Monitor (CPM).
The 4042 Series Channel power sensors are typically used to measure forward
and reflected average power on a 50 ohm RF transmission line with maximum
500 watt forward and reflected power levels in a frequency band with an overall
range of 100 to 1000 MHz. The 4042 sensor also provides VSWR readings.
Figure 1 Bird 4042 Series Channel Power Sensor
Features
RF Input N-Type (male) connector (shown), other connector types
available, see
"Model Identification" on page 8
RF Output N-Type (female) connector (shown), other connector types
available, see
"Model Identification" on page 8
Data Connectors
RJ-25 connector provides power and data connection. Only
one connector is required, second connector may be used to
extend RS-485 bus to additional digital sensors.
RJ-25 termination plug must be installed in unused jack.
Button Not Connected.
Status LED Solid green: Power applied.
RF
INPUT
DATA
CONNECTORS
RF
OUTPUT
BUTTON
STATUS
LED
4042 Channel
Power Sensor
Introduction
2
Channel Sensor Operation
The 4042 Channel Sensor is a unique sensor that is able to measure the forward
power, reflected power and VSWR of a SINGLE CHANNEL in the presence of
multiple channels at the output of a frequency combiner (see
Figure 3 on
page 4
).
The sensor can also measure the forward power, reflected power and the VSWR
of the composite signal by scanning up to 16 individual channels and summing
their power, see
Figure 2
.
Figure 2
Composite Signal
Frequency
Range
100 to 1000 MHz
Up to 16
Channels
Selectable
Frequency
and
Bandwidth
for each
Channel
769.14375
770.64375
770.24375
25 kHz
12.5 kHz
6.25 kHz
Freq:
Freq:
Freq:
BW:
BW:
BW:
Channel Sensor Configuration
Once connected to a CPM and RF Transmission line, the sensor may be
programmed to measure power and VSWR for up to 16 frequencies or channels.
The bandwidth of each channel is selectable and may be set to one of the
following values:
6.25 kHz
12.5 kHz
25 kHz
The CPM can be setup to provide low power and VSWR alarms for all 16
channels monitored by the 4042 Sensor.
Channel Power Sensor 4042
3
Data Connection
The 4042 Channel Sensor uses an RS-485 serial bus for data transfer to and from
a CPM. Each sensor is equipped with two RJ-25 jacks, either jack may be
connected to a CPM. The second RJ-25 jack may be used to extend the RS-485
bus to another digital sensor. See
Figure 3 on page 4
. Multiple digital sensors
may be serially connected in this fashion, allowing as many as 16 sensors to be
connected to a CPM.
If multiple sensors are to be connected serially, each one is assigned a unique
address via the CPM. When each sensor is connected to the CPM, prior to
connecting any additional sensors, add sensor in the CPM to assign an address,
only then may an additional sensor be connected serially.
A termination plug must be used in the open RJ-25 jack on the rear panel of the
CPM or the open RJ-25 jack of the final digital sensor in the chain.
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