Murphy Network Card ASM170 User Manual

ASM-03021B  
Revised 04-04  
Catalog Section 40 & 75  
(00-02-0530)  
ASM170 Auto Start Module  
ASM170  
Ideal for all basic auto-start/stop  
Programmable Multifunction Output  
Extended Operating Temperature Range  
Excellent Low Voltage Performance  
Compact Size Retrofits Existing ASM150  
Installations  
Built-In Manual-Off-Auto Toggle Switch  
Smart FET Outputs  
ASM170  
Shutdown Lockout Time Delay:  
Field adjustable 1 to 300 seconds.  
Locks out low oil pressure, high  
temperature, and loss of speed  
shutdowns on start-up.  
Crank Disconnect Speed Setting:  
From 13 to 2500 Hz.  
Overspeed Trip Point Setting:  
From 13 to 8500 Hz.  
Speed Sensing Input:  
1.5VAC RMS to 140 VAC RMS.  
Shipping Weight:  
Description  
Specifications  
Power Input:  
6 to 28 VDC.  
The ASM170 is a compact yet powerful  
engine auto-start module. It offers  
flexibility and features normally found in  
much larger and more expensive units.  
Its high density MOLEX plug makes it  
ideal for panel builders. It can also be  
easily replaced in the field if problems  
should arise.  
Power Consumption Standby:  
<1 mA.  
Operating Temperature:  
-40 to 185 °F (-40 to +85 °C).  
Inputs:  
Ground or positive inputs for high  
temperature, low oil pressure,  
High/Low Level, Auxiliary/Remote  
Stop sensors.  
With the on-board Manual-Off-  
Automatic switch, Panel wiring is greatly  
simplified.  
1 lb. (.45 kg.)  
Lamp Test:  
Shipping Dimensions:  
6.25 x 6.25 x 4.5 in.  
(159 x 159 x 114 mm).  
When unit is powered up in Manual or  
Auto, the LED’s light for 1 second as a  
test.  
Its unique design also allows it to draw  
virtually no current in standby mode, yet  
be able to auto-start based on a sustained  
or momentary contact closure.  
Outputs:  
For the OEM  
5A smart FET for cranking and  
multifunction output. 10A smart FET  
for Fuel Valve (Energized to Run)  
output. All 3 supply battery “+”.  
125 mA transistor for common failure,  
engine run, and auxiliary output. (Sink  
to battery “–”)  
The ASM170 was designed with the  
OEM in mind. Each unit comes standard  
with a programming header easily  
accessible from the rear of the unit.  
Through this header, the OEM can  
upload specific operating parameters  
normally controlled with the DIP switch  
and Potentiometers directly into the  
controller. This way the exact settings  
required by the OEM will be  
Features  
The ASM170 is typically used in  
generator applications but can be applied  
anywhere a basic auto-start operation is  
required. Basic functions include engine  
crank/rest, crank disconnect, overspeed,  
low oil pressure, high engine  
temperature, low levels and spare  
shutdowns. The start signal to the  
controller can be momentary or  
sustained.  
Crank Attempts:  
Selectable for 3, 5, 10, or 255.  
Crank/Rest Cycle Timing:  
Field adjustable 1 to 30 seconds.  
Multifunction Output:  
Field programmable to one of the  
following options: Glowplug,  
Cooldown, Warmup/Cooldown,  
Warmup, Air gate – Overspeed Only,  
Air gate – Always, Choke, or Auxiliary  
Run output.  
programmed and the DIP switch and  
Potentiometer settings will be ignored.  
It also has a multifunction output that can  
be selected to perform one of the  
following functions:  
• Glowplug  
• Warmup/Cooldown  
• Warmup  
• Cooldown  
• Choke  
• Air Damper Shutoff  
 

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