Fuse – A 3 Amp “Slow Blow” fuse is utilized on the Valve Station modules and a 4 Amp “Slow Blow” fuse is utilized on the
Station Output modules.
CAUTION: For continued protection against risk of fire, replace only with the same type and rating of fuse.
Remote Relay Function And Connection
The OSMAC RDR frequency decoder module is equipped with a
single-pole, double throw relay that is rated at 5 amps. The relay is
intended for use in irrigation installations that have two different
irrigation systems. Upon command transmitted from the base station
or a hand-held radio, the relay can be energized. This will stop all
OSMAC RDR functions and turn power on to the alternate irrigation
system. Another command can be sent to the RDR to turn off the
relay, de-energizing the alternate system and returning control to the
OSMAC RDR. Additionally, a command is provided to disable this
feature so it cannot be accidentally invoked and a different command
to enable the feature.See the Command Code list for specifics.
See Figure 12 for terminal locations.
Satellite Operations Using a Hand-Held Radio
Satellite operations can be initiated in the field using a hand-held radio keypad. All operation commands must begin with
the following keypad sequence:
*
9 followed by the 3-digit satellite address number. The command code is then entered,
followed by additional digits which represent selected stations and/or run time values. All station numbers from 1–9 must
be entered with a preceding 0; i.e., station 1 is entered as 01. Refer to Table 2 for command codes and operation
descriptions
Example: Confirm communication to the satellite by issuing a manual station start command as follows: Press
*
9, the
3-digit satellite address code, command code 7521 and 01 (station 1). Visually check for sprinkler operation. To step
forward through the stations, press
*
1; to step back through the stations, press
*
2. To terminate the test, use command
code 7520.
6
24 V a.c.
Figure 12
Narrow Band Freq. Decoder Module
Wide Band Freq. Decoder Module
Normally
Open
Normally
Closed
Common
Pin
Optional Relay Socket
(Wide Band Only)
Table 2 – Hand-held Radio Command Codes
Command Code Operation Description
7510 Turns off individual stations; e.g., 7510 01 02 40 turns off stations 1, 2 and 40.
7511
Turns on individual stations; e.g., 7511 01 02 40 turns on stations 1, 2 and 40.
7512 Syringes individual stations for a predetermined number of 30-second intervals (already defined
in the satellite); e.g., 7512 01 02 turns on stations 1 and 2 for 30-second intervals.
7513 Disables individual stations; e.g., 7513 01 03 disables stations 1 and 3. After this command, on
and off commands will be ignored for stations 1 and 3 until the stations are re-enabled.
(See 7514.)
7514 Enables individual stations; e.g., 7514 01 03 enable stations 1 and 3.
7515 Sequentially syringes a specified station number range; e.g., 7515 10 20 will syringe stations
10 through 20 sequentially.
7516 Sequentially syringes individual stations; e.g., 7516 10 11 will syringe stations 10 and 11.
Note: Multiple syringe groups can also be run (base station command only - not applicable to
hand-held radio). Enter two dashes between stations to designate separate syringe groups; e.g.,
7516 10 11 - - 22 24 26 28 will run two syringes at the same time. First on stations 10 and 11,
followed by stations 22, 24, 26 and 28.
7517 Turns on individuals stations for a specified number of hours, minutes and seconds; e.g.,
7517 01 30 00 23 24 25 turns stations 23, 24 and 25 on for 1 hour, 30 minutes and no seconds.
7518 Turns on individual stations for a specified number of minutes; e.g., 7518 10 23 24 25 turns
on stations 23, 24 and 25 for 10 minutes.
7520 Turns off a sequential station run operation (initiated by command code 7521).
7521 Turns on a sequential station run operation; e.g., 7521 01 turns on station 1. To step forward
through the stations, press
*
1; to step back through the stations, press
*
2.
7524 Turns on individual stations as switches; i.e., does not simultaneously energize the pump.
Note: Will not turn off the pump if already running. E.g., 7524 25 35 45 turns on stations 25, 35
and 45 without energizing the pump.
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