User's Manual

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Introduction

The E-Series and RDR OSMAC narrow-band satellite frequency decoder module provides four preprogrammed frequencies,

one of which is selected for use by the placement of a movable jumper located on the module board.

The decoder module utilizes a programmable frequency synthesizer which enables each of the preprogrammed frequen-

cies to be changed as needed for the irrigation site conditions. The software and hardware components provided in this

kit enable the frequency reprogramming task to be easily accomplished.

The Frequency Reprogramming Kit includes the following components:

• External 12 V a.c. power supply (120 V a.c. input for kit #102-1208 and 240 V a.c. input for kit #102-1230)

• Power supply interface adapter and 20-pin ribbon cable (for E-Sereis OSMAC power connection)

• Interface cable assembly (for RDR OSMAC power connection)

• DB-9 serial cable (for decoder module to PC connection)

• Two 3.5" floppy diskettes containing the Frequency Management Program software

Computer System Requirements

The Frequency Management Program, which occupies less than 5 megabytes of disc space, runs on a standard PC with

enough internal memory to run applications under the Windows operating system. The PC must have at least one stan-

dard communications port capable of attaching to a device at 1200 baud.

Step 1: Remove the Decoder Module from the Satellite Controller

Caution: Potential damage can occur to the satellite controller if the

decoder module is not disconnected from the controller or RDR unit prior

to performing the frequency reprogramming procedure.

For E-Series OSMAC satellite:

• Place the satellite controller power switch in the Off (O) position.

• Open the cabinet lid and remove the clear plastic cover from the decoder

module assembly.

• Release the ribbon cable connector from the decoder module by moving the

cable receptacle locking tabs outward.

• Carefully remove the decoder module from the controller by compressing the

four standoff locking tabs (indicated in Figure 1) using needle nose pliers or a

flat blade screwdriver. Carefully lift each corner of the module upward just

enough to keep the standoff locking tab compressed. When all four standoffs

are compressed, remove the module assembly from the controller.

For RDR OSMAC satellite:

• Locate the RDR decoder module and unplug the Black common wire to

disconnect power to the module.

• Remove the Orange 12 V a.c. power wire, Red 26 V a.c. power wire and

the flat ribbon cable. Remove any wires connected to the decoder module

terminal block and note their position for proper reinstallation. See Figure 2.

• Carefully slide the decoder module out or the RDR unit.

Step 2: Install the Frequency Management Software

Note: The E-OSMAC decoder Frequency Management Program, written for use on a compatible PC running under the

Windows –95, –98, or NT operating system, allows the user to view the current frequency settings in the E-Sereis or

RDR OSMAC frequency decoder card and to change the settings to appropriate values. Data can be saved on computer

disc files for later retrieval, and values can be edited in order to simplify the chores of modifying frequency selections.

(continued)

Stand Off Locking Tab

Figure 1

Red

26 V a.c.

Orange

12 V a.c.

Black

Common

Figure 2

E-Series and RDR OSMAC Narrow-Band Satellite Controller

Frequency Reprogramming Kit, P/N 102-1208 and 102-1230

User’s Guide

Summary of content (6 pages)

PAGE 1
E-Series and RDR OSMAC Narrow-Band Satellite Controller Frequency Reprogramming Kit, P/N 102-1208 and 102-1230 User’s Guide Introduction The E-Series and RDR OSMAC narrow-band satellite frequency decoder module provides four preprogrammed frequencies, one of which is selected for use by the placement of a movable jumper located on the module board.
PAGE 2
Software Installation Procedure (continued) Important: As is the case during any program installation, it may be necessary to update some Windows files. There is always the possibility that some software in a system can be damaged in this process. It is recommended to save any of the PC’s valuable data files on diskette or a network before installing the program. • Insert Diskette 1 into the floppy drive. Use standard Windows procedures to start the installation.
PAGE 3
Step 4: Program Operation Start the Frequency Management Program using standard Windows procedures. For example, click on START and PROGRAMS then select the frequency manager from the list of programs. The program operates through the main form on the computer screen as shown in Figure 5.
PAGE 4
Program Operation (continued) • When the program begins operation, it attempts to read frequency and description data from the file that was accessed during the previous session, and display that information in the EDIT FREQUENCIES column of the main form. If that file cannot be found, the program will note that fact and display factory default frequencies on the form. • The program next tries to read and display current frequency data from a decoder card.
PAGE 5
Step 6: File Operations Saving a File: Contents of the FILE DESCRIPTION and the EDIT FREQUENCIES fields data can be saved in files on the computer’s hard disc or floppy drive, then recalled at a later time when needed. • Save the contents of the edit fields in the selected file by pulling down the FILE menu and selecting SAVE. • To create a new file for saving frequency data, pull down the FILE menu from the menu bar and select SAVE AS.
PAGE 6
Figure 8 Satellite address DIP switch matrix – • = On 12345678 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 = Off 12345678 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 12345678 103 104 105