Mode 2: Condensation Sensor
Rain Gauge detects condensation or frost
formation on the surface.
Switch
Behavior
7 6 5 4 3 2 1
0 1 0 0 0 0 0 Very Sensitive- first sign of condensation
0 1 Sensitive
1 0 Medium Low
1 1 Low
The rain sensor senses condensation by detecting a shift from the
"clear" condition. The relay closes when the condensation occurs,
and opens when the condensation goes away. The rain sensor is set
to very gradually adapt the clear condition, so that very gradual build
up of dirt or other contaminants do not cause a false trip.
Condensation sensing mode disables the heater and micro-power
mode.
Mode 3: Wiper Control
Rain sensing wiper control from off through
intermittent and steady slow speeds.
Switch
Behavior
7 6 5 4 3 2 1
0 1 1 0 x 0 0 Normal Wiper Control
0 0 1 Wipe More
0 1 0 Wipe a Lot More
0 1 1 Wipe a Whole Lot More
1 0 0 Wipe Less
1 0 1 Wipe a Lot Less
1 1 0 Wipe a Whole Lot Less
1 1 1 Wipe hardly at all
x 0 x x Normal Slow Cycle Time (1.2 to 3 sec.)
1 Long Slow Cycle Time (3 – 8 sec.)
See rainsensors.com for instructions that are just for wiper
control applications. (Click on “Wiper Control”).
The RG-11 may be used to control a wiper system. The output relay
turns on when the slow motor winding should be engaged. This will
typically be used to drive an external relay, which will, in turn, drive
the wiper motor windings. This may be used for the wipers for a boat,
ship, locomotive, observation window, or many other applications.
The RG-11 does not care what the wipers are wiping.
WARNING: The relay contacts of the RG-11 can control only a 1A
load, and wiper systems generally require many times that current.
The RG-11 MUST be used with a suitable external relay in wiper
control applications.
The nominal wiper control is set so that it properly controls the wipers
of a passenger car. It is optimized for wiper systems that require
between 1.2 and 3 seconds to make a single complete actuation of
the wipers. A long cycle time is provide (Switch 4 on) for systems
with a wiper actuation cycle time between 3 and 8 seconds. In all
cases, the RG-11 provides a pulse to initiate the wiper actuation.
Most wiper system will include some sort of cam feedback
mechanism that causes the wipers to keep running until they reach a
home position.
Mount the RG-11 so that it generally gets the same rainfall as the
surface to be wiped. Usually, this means about a 45 degree angle.
The RG-11 does not need to be within the actual field of view of the
window. Adjust the sensitivity control DIP switches (3, 2, and 1) to
set the system to wipe more or less, depending on the needs of the
installation.
Rain Gauge Model RG-11 Instructions PN 55-005-100 Manual for SW rev 016
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