INSTRUCTION MANUAL
LOGIC MODULE
3 INPUT AND/OR
FILE: 091-158
DATE: 10-12-04
MODEL# 091-158
POWER INPUT: +12 volts DC
LOGIC INPUT: +12 volts DC or Ground
3 YEAR WARRANTY
INTRODUCTION
The 091-158 is a logic module that permits switching on a load when certain
other circuits are energized. Complete isolation between circuits is maintained.
Two separate logic modes are available and programmed by switches on the
circuit board.
“AND” Logic: In this mode an output is obtained when there is an input at
INPUT 1 and INPUT 2 and INPUT 3. All three inputs must be
present in order to obtain an output
“OR” Logic: In this mode an output is obtained when there is an input at
INPUT 1 or INPUT 2 or INPUT 3. Any input present will create an
output.
Input Signal Polarity: An input signal polarity selector switch permits operating
with inputs that are either a +12 volt or they may be a connection
to ground.
Output Signal Polarity: An output signal polarity selector switch permits selecting
whether the output should be +12 volts or a connection to ground.
CAUTION
The output load, either +12 volts or ground
Must not exceed 2 amperes
INSTALLATION
Mount the logic module in a dry location away from any sources of heat. Figure
1 illustrates the wiring required. The +12 volts and Ground input are required to
supply the output of the logic module. Note that the input signal may be either a
+12 volts or Ground. The polarity of the input signal is independent of the
polarity of the output. A separate selector switch is provided to select the polarity
of the output. NOTE: DO NOT EXCEED AN OUTPUT LOAD OF 2 AMPERES.
1
K1
S2
K2
1
R1
R2
1
K3
AND
S1
OR
AND/OR SELECTORS
Both must be in the
same position
+12 v
Gnd
Input 1
Input 2
OR
J1
AND
Gnd
OUTPUT
+12v
S3
CI1
1
12
R3
KUSSMAUL ELECTRONI CS I NC
Gnd
SIGNAL
+12v
S4
091-158- 001
Input Signal Polarity
Output Signal Polarity
4
3
56
OUTPUT
Input 3
FIGURE 1
PROGRAMMING SWITCH LOCATIONS AND INSTALLATION WIRING
LOGIC PROGRAMMING
Figures 2 and 3 illustrate the switch positions for programming the “AND” and
the “OR” function.
1
K2
R2
1
K1
S2
1
R1
K3
S1
S1
K1
AND
AND
OR
OR
S2
OR
OR
R3
KUSSMAUL ELECTRONICS INC
091-158-001
Programming Switch Positions
3 Input “OR” Logic
Positive Signal Input
Positive Signal Output
OUTPUT
S3
CI1
AND
GND
+12V
SIGNAL
S4
GND
+12V
Figure 2
1
J1
1
K2
R2
1
R3
091-158-001
K3
Programming Switch Positions
3 Input “AND” Logic
Positive Signal Input
Positive Signal Output
OUTPUT
S3
CI1
AND
GND
+12V
1
R1
KUSSMAUL ELECTRONICS INC
GND
SIGNAL
+12V
S4
1
J1
Figure 3
1
K1
S2
K2
1
R1
R2
1
K3
AND
S1
OR
AND/OR SELECTORS
Both must be in the
same position
+12 v
Gnd
Input 1
Input 2
OR
J1
AND
Gnd
OUTPUT
+12v
S3
CI1
1
12
R3
KUSSMAUL ELECTRONI CS I NC
Gnd
INPUT
+12v
S4
091-158- 001
Input Signal Polarity
Output Signal Polarity
4
3
56
OUTPUT
NOTE: All programming switch
positions are identical to 3 input
configuration
FIGURE 4
INSTALLATION WIRING FOR USE WITH ONLY 2 INPUT SIGNALS
TYPICAL APPLICATIONS
A
A
A
091-158
3 INPUT LOGIC MODULE
“OR” Configuration
+12v from
Ignition Switch
Ground
High Temperature
Low Oil Pressure
Compartment
Door Open
1 2 3 4 5 6
091-158
3 INPUT LOGIC MODULE
(Connected for 2 inputs)
“AND” Configuration
larm
Horn
larm Horn sounds
when logic module
senses any one of
the three inputs
+12 volts
Ground
+12 volts
from ignition
switch
+12 volts
120 volts
A.C. From
Shoreline
Connection
1 2 3 4 5 6
Figure 5
Typical Applications
Alarm
Horn
larm Horn sounds
when logic module
senses engine running
AND 120 volts A.C.
SPECIFICATION AND OUTLINE
Power Input: +12 volts D.C., at 2 amperes max.
Output: 2 amperes max.
Signal Input: Each input, 12 volts at 0.04 amperes
4.50
1.27
2.62
4.00
INSTALLATION RECORD & WARRANTY
Date Installed________________________________________
Installed By___________________________________________
Vehicle Identification_________________________________
Vehicle Owner________________________________________
WARRANTY
All products of Kussmaul Electronics Company Inc. are warranted to be free of
defects of material or workmanship. Liability is limited to repairing or replacing at
our factory, without charge, any material or defects which become apparent in
normal use within 3 years from the date the equipment was shipped. Equipment
is to be returned, shipping charges prepaid and will be returned, after repair,
shipping charges paid.
Kussmaul Electronics Company, Inc. shall have no liability for damages of any
kind to associated equipment arising from the installation and /or use of the
Kussmaul Electronics Company, Inc. products. The purchaser, by the
acceptance of the equipment, assumes all liability for any damages which may
result from its installation, use or misuse, by the purchaser, his or its employees
or others.
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