Siemens RL-854 manual Equipment Specification Data, Main Assembly, Cabinet, Receiver

Page 12

RL-854 Radio Control Unit

 

Type I, Style A

Description

Equipment Specification Data

Table 1 lists supplied equipment and accessories.

 

Table 1. Supplied Equipment

Quantity

Description

 

 

1

RL-854 or RL-854PR Radio Control Unit

1Antenna Kit (includes antenna, coaxial cable and antenna connector)

1

Instruction Manual

 

Table 2 lists reference data pertinent to the provided equipment.

 

Table 2. Equipment Information

Equipment

Specification

 

 

Main Assembly

 

 

 

Power Input

120 Vac +/-15%, 60 Hz (RL-854 and RL-854PR)

 

 

Optional Power Input

12 Vdc (RL-854A) and 220 Vac, 50 Hz (RL-854APR)

 

 

Cabinet

 

 

 

Material

NEMA 4

 

 

Antenna Receptacle

Bottom (for BNC connector)

 

 

Other

Two 1 in. (25.4-mm) holes in the bottom as wire entrances

 

 

Receiver

Fixed frequency superheterodyne, amplitude modulated

 

 

Power input

12 Vac

 

 

Construction

Plug-in circuit card

 

 

Input Impedance

50 nominal

 

 

Sensitivity

Up to 5 microvolts for a 10 dB signal plus noise-to-noise ratio [(S+N)/N],

 

adjustable from 5 microvolts to 200 microvolts.

 

 

Selectivity

Ø Bandwidth of ± 15 kHz minimum at 6 dB attenuation

 

Ø Bandwidth of ± 40 kHz maximum at 60 dB attenuation

 

Ø Ripple (in band) is typically 2 dB or less

 

 

Spurious Responses

Greater than 60 dB below the desired signal, 0 to 400 MHz

 

 

Frequency Range

118-136 MHz, field-programmable

 

 

Frequency Stability

± 0.03%

 

 

Frequency

As specified by user, field-changeable (see the Appendix)

 

 

Output

Pulse drives Type I decoder with input signal of 5 microvolts or more

 

 

Continued on next page

 2001 Siemens Airfield Solutions, Incorporated

96A0027L

Page 7

All rights reserved

Issued 5/01

 

Image 12
Contents RL-854 Radio Control Type I, Style a Record of Changes Rev Description EC No Checked Approved DateTable of Contents List of Figures Warranties Disclaimers Safety Safety Symbols RL-854 Radio Control Unit Type I, Style aSafety Symbols contd Qualified Personnel Intended UseInstallation OperationMaintenance and Repair Action in the Event of a System or Component MalfunctionDescription IntroductionRadio Controller Power Handling Capability Introduction contd OptionsHeater Equipment Specification Data Main AssemblyCabinet ReceiverEquipment Specification Data Quantity Description Part Number Number Part DescriptionRadio Control Restrictions Interfacing Radio ControllerIntensity Control Intensity Control contd Periods Microphone ClicksClicks Theory of Operation GeneralMain Assembly contd Interface Panel Interface Panel contd Automatic Radio Control Installation Unpacking Installing Standard RL-854 Other L-821 ConfigurationsContd Assembling Antenna Tighten jam nuts against the hub to secure the radialsAssembling Antenna Installing Antenna Safety PrecautionsInstalling RL-854PR Radio Controller Mounting AntennaInstalling RL-854PR Radio Controller contd Operation Incremental Relay OptionDecoder PCB Controls and Indicators Startup ProceduresIndicators ControlsStartup Procedures contd Startup Procedures contd Maintenance Introduction Receiver Frequency Setting SwitchTroubleshooting Problems and Possible Causes SolutionsTroubleshooting contd Parts Using the Illustrated Parts ListRL-854 Radio Control Unit Part Numbering System Description Part NumberRL-854 Main Assembly Parts List TypeHeater RL-854 Main Assembly Parts RL-854 Motherboard Assembly Parts ListRL-854 Motherboard Assembly Parts List contd RL-854 Control Board and Fuse Assembly Parts List DS1Optional Parts Item No Description Part NumberSwitch Settings for Frequency Control of Receiver PCB RF FrequencyA-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11 A-12 A-13 A-14 A-15 A-16