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Related Manuals for BIRD ACM Series
Summary of Contents for BIRD ACM Series
- Page 1 Antenna & Cable Monitor SERIES ACM Operation Manual ©Copyright 2019 by Bird Technologies Inc. Instruction Book P/N 920-ACM Rev. N Thruline® is a registered trademark of Bird Electronic Corporation Microsoft® and Windows® are registered trademarks of the Microsoft Corporation...
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Page 2: Safety Precautions
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. -
Page 3: Safety Symbols
Safety Precautions Safety Symbols 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. Note: Calls attention to supplemental information. -
Page 4: Caution Statements
Antenna & Cable Monitor Operation Manual Caution Statements The following equipment cautions appear in the text and are repeated here for emphasis. CAUTION The input voltage must be clean and stable. Be sure that the input voltage does not surge and does not contain spikes. Failure to comply may result in permanent damage to the instrument. -
Page 5: Safety Statements
Safety Precautions Safety Statements USAGE ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY THE MANUFACTURER MAY IMPAIR THE INSTRUMENT’S SAFETY PROTECTION. EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA POR EL FABRICANTE, PUEDE ANULAR LA PROTECCIÓN DE SEGURIDAD DEL INSTRUMENTO. - Page 6 Antenna & Cable Monitor Operation Manual 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.
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Page 7: About This Manual
About This Manual About This Manual Sample Model ACM–M–DMNFTL 470 – 960 MHz ACM with male 7/16 input, female N output, female TNC monitor ports, requiring a low voltage power supply Base Frequency Range Input and output Monitor Port Power Supply Model (MHz) RF Connectors... -
Page 8: Changes To This Manual
Antenna & Cable Monitor Operation Manual 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. -
Page 9: Table Of Contents
Table of Contents Safety Precautions ......... ii Safety Symbols . - Page 10 Antenna & Cable Monitor Operation Manual PCTool Software ..........14 Main Screen .
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Page 11: Chapter 1 Introduction
Chapter 1 Introduction Designed for 50 ohm coaxial transmission lines, the Bird Antenna & Cable Monitor is the solution for monitoring transmission antenna systems. Service providers and end users can rely on it to keep their critical sites up and running. -
Page 12: Items Supplied
Antenna & Cable Monitor Operation Manual Items Supplied ACM Unit Instruction Manual Optional Accessories Refer to for part numbers of accessories. "Replacement Parts" on page 27 Digital Display — Displays the ACM status and provides a low voltage (+15 VDC) power supply. -
Page 13: Component Description
Introduction Component Description Figure 1 Antenna & Cable Monitor Outline RF Input Connect to the amplifier or combiner Forward Monitor Port Samples the forward traveling wave Reflected Monitor Port Samples the reflected wave RF Output Connect to the antenna or feeder Four holes, two top and two bottom, for positioning Mounting Holes the ACM on a rack. - Page 14 Antenna & Cable Monitor Operation Manual Figure 2 Panel Mount Outline...
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Page 15: Chapter 2 Theory Of Operation
Theory of Operation Alarm Response When an alarm is triggered, the Bird Antenna & Cable Monitor turns on the alarm LED and activates a Form C dry contact relay. The alarm relay defaults to fail/safe. That is, the alarm activates when the relay is not energized or power is lost. -
Page 16: Alarm On Zero Power
Antenna & Cable Monitor Operation Manual will be triggered if the VSWR exceeds the maximum for more than thirty seconds. If the VSWR is much greater than the maximum then an alarm condition is triggered immediately. Alarm on Zero Power When the forward power is very small (<... -
Page 17: Chapter 3 Installation
Cable Connections When connecting the Bird ACM to RF power, use 50 ohm coaxial cable suitable for the frequency and power level of operation. The cable connector should mate with the connector on the unit. -
Page 18: Power/Alarm Connector
Antenna & Cable Monitor Operation Manual WARNING Do not touch the center conductor of the power monitor ports while RF power is being applied. To monitor the RF waveform, connect the forward and reflected power monitor ports to an appropriate power sensor or meter. Note: If a power monitor port is not being used, terminate it with a 50... -
Page 19: Pin Description
Installation Figure 3 DB-15 Power/Alarm Connector, Female Description Relay, normally closed contact (closed when relay is not energized) (open when there is an alarm) Relay, common contact TTL compatible alarm, 0 to 4.0 VDC with a 10k load when the alarm is active PTT input, +5V to +24V to activate, 0V or open to deactivate... - Page 20 Antenna & Cable Monitor Operation Manual Figure 5 DB-15 Power/Alarm Connector, Male Description Internal connection TTL compatible reset, 0 to +0.8 VDC resets alarm PTT input, +5V to +24V to activate, 0V or open to deactivate TTL compatible alarm, 0 to 4.0 VDC with a 10k load when the alarm is active Relay, common contact...
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Page 21: Rs-232 Connector
Installation RS-232 Connector The RS-232 connector carries ASCII data between the Antenna Monitor and a display panel or PC. If a PC is connected to the display front panel, it is also routed to this connector. Pin numbers and connection descriptions are given in Figure 7 Figure 7 DB-9 RS-232 Connector... -
Page 22: Panel Mount
The +15V supply should only be used to power the ACM Panel. Do not connect anything else to the power supply. Installation To install a Bird Antenna Monitor in the panel mount, follow these instructions (Refer to Figure 2 on page 4 1. -
Page 23: Pctool Software
Installation To use the Bird PCTool software, install it on the computer and start the application. Refer to "PCTool Software" on page 14 information about using the program. To use a terminal program, configure it for 9600 baud, 8 data bits, 1 stop bit, no parity, and no handshake. -
Page 24: Chapter 4 Operating Instructions
Operating Instructions PCTool Software Main Screen The PCTool communicates with and configures the Bird Antenna & Cable Monitor. It displays forward and reverse power along with VSWR, return loss, match efficiency and transmitted power. shows a sample of the display Figure 8 screen. -
Page 25: Com Settings
Operating Instructions Com Settings The PCTool software must be set to use the correct Com Port to communicate with the Antenna Monitor. The default is Com Port 1. To change the Com Port, select the correct one from the “View>Comm Port” menu, shown in Figure 9 below. - Page 26 Antenna & Cable Monitor Operation Manual Figure 10 Options Menu Latch Alarms — Sets whether the alarm will reset automatically in the absence of an alarm condition.When this checkbox is unchecked, if an alarm trigger is corrected the alarm will reset after a forty second delay. When it is checked, the alarm must be manually reset.
- Page 27 Operating Instructions VSWR Alarm — Adjustable from 1.3 to 2.5 by increments of 0.1. To allow the VSWR alarm to trigger even at low forward power (< 2.5% of full scale power), check the “Alarm on Zero Power” checkbox. While the VSWR trip point can now be set out to 2.5, the instrument cannot always measure VSWR above 1.9.
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Page 28: Push-To-Talk
Antenna & Cable Monitor Operation Manual Push-to-Talk Setting Push-to-Talk 1. Open the Power Monitor Options dialog. 2. Do one of the following: Check the Enable checkbox to turn the Push-to-Talk feature on. Uncheck the Enable checkbox to turn the Push-to-Talk feature off. 3. -
Page 29: Terminal Commands
Operating Instructions Terminal Commands There are three commands which can be sent when the Bird Antenna Monitor is connected to a terminal. “T” The “T” command will cause the unit to echo a single measurement. The format nnn.n,nn.nnXX<CR><LF> That is, three digits of forward power, a decimal point, a fourth digit of forward power, a comma, followed by two digits of reverse power, a decimal point, and two digits of reverse power. -
Page 30: Chapter 5 Maintenance
Chapter 5 Maintenance This chapter contains troubleshooting instructions, part information, and specifications for the Bird Antenna & Cable Monitor. Inspection and Cleaning This unit requires only simple and routine maintenance. WARNING Disconnect the unit from the RF power source and the AC line before any disassembly. -
Page 31: Troubleshooting
Maintenance Troubleshooting The Bird Antenna Monitor has no operator serviceable parts. Any required service must be performed at an authorized service facility. The table below contains troubleshooting information for problems which can occur during normal operation. This manual cannot list all malfunctions that may occur, or their corrective actions. -
Page 32: Rack Mount Wiring
Antenna & Cable Monitor Operation Manual Rack Mount Wiring The power/alarm connectors for the Bird ACM Rack Mount are provided wired to the terminal strips. , and show the wiring Figure 12 Figure 13 Figure 14 schematics for 15V, 12V, and 48V respectively. - Page 33 Maintenance Figure 13 12V Wiring Schematic Figure 14 48V Wiring Schematic...
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Page 34: Customer Service
If the unit needs to be returned for any reason, request an Return Material Authorization (RMA) through the Bird Technologies website. All instruments returned must be shipped prepaid and to the attention of the RMA number. -
Page 35: Specifications
Maintenance Specifications General Directivity, Min. 108 – 960 MHz 30 dB 960 – 2400 MHz 26 dB 1.3:1.0 to 2.5:1.0 by 0.1:1.0 steps. Refer VSWR Alarm Setpoint "VSWR Alarm" on page 17 information about power limitations. Dry, form C. Common, normally open, & Alarm Relay normally closed contacts. -
Page 36: Frequency Range
Antenna & Cable Monitor Operation Manual Frequency Range ACM500- ACM- ---- L0-xxxxxx 108 – 144 MHz L1-xxxxxx 136 – 225 MHz L2-xxxxxx 225 – 520 MHz M-xxxxxx 470 – 960 MHz ---- H-xxxxxx 960 – 2400 MHz RF Power Range ACM-L0-xxxxxx 5 - 200 W All Other ACM models... -
Page 37: Replacement Parts
Maintenance Replacement Parts Description Part Number Instruction Manual 920-ACM PCTool Software 7005A970 Rack Mount Kit With 15VDC power supply ACM-RACKU Without power supply ACM-RACK 9 pin RS-232 Interface Cable 50 ft. 5A2264-09-MF-50 10 ft. 5A2264-09-MF-10 DB-15 Interface Cable, 50 ft., male/female 5A2264-15-MF-50 DB-15 Interface Connector SUBCON-15/M-SH... -
Page 38: Limited Warranty
Limited Warranty All products manufactured by Seller are warranted to be free from defects in material and workmanship for a period of one (1) year, unless otherwise specified, from date of shipment and to conform to applicable specifications, drawings, blueprints and/or samples. Seller’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...
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