DEEP SEA ELECTRONICS PLC
701 KEY START MODULE
OPERATING INSTRUCTIONS
Author:- John Ruddock
Deep Sea Electronics Plc
Highfield House
Hunmanby
North Yorkshire
YO14 0PH
England
Tel: +44 (0) 1723 890099
Fax: +44 (0) 1723 893303
email: Sales@Deepseaplc.com
701 Operating Instructions Issue Issue 1 07/05/2003 3:30 PM JR - 1 -
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TABLE OF CONTENTS
1 DESCRIPTION OF OPERATION.......................................................... 4
1.1 WARNINGS.......................................................................................................5
1.2 SHUTDOWNS ...................................................................................................5
2 CONFIGURATION INSTRUCTIONS..................................................... 6
3 TERMINAL DESCRIPTION................................................................... 7
4 SPECIFICATION ................................................................................... 8
5 SOLID STATE OUTPUTS..................................................................... 9
6 DIMENSIONS...................................................................................... 10
7 TYPICAL CONNECTIONS.................................................................. 10
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1 DESCRIPTION OF OPERATION
To start the generator turn the key switch to the hand position, which will power up the unit.
If at this time the auxiliary input is active the
led will be illuminated, preventing the start of the
generator.
Pressing the pre-heat
button will energise the pre-heat output. Releasing the button will de-
energise the output.
Pressing the start
button will energise the Fuel Solenoid output, then the Starter Motor
output. The button should be pressed for the duration of the crank period.
When the engine fires, the starter motor is disengaged and locked out at 20 Hz measured from the
Alternator output.
After the starter motor has disengaged, the Safety On timer is activated (which is fixed at 12
seconds), allowing Oil Pressure, High Engine Temperature and Charge Fail to stabilise without
triggering the fault.
Turning the key to STOP
de-energises the FUEL SOLENOID, bringing the generator to a stop.
NOTE: - The safety on time (used for delayed alarms) is pre set to 12 seconds and can
not be changed.
NOTE: - If the generator has not started when the start button has been released
or the generator fails once it is running, the key switch must be turned to STOP and
then back to before another start can be invoked.
NOTE: - If pre-heat is required during cranking, the pre-heat button should be
pressed at the same time as the start button.
NOTE: - The 701HC start button is represented by
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1.1 WARNINGS
Warnings are used to warn the operator of an impending fault
BATTERY CHARGE FAILURE, if the module does not detect a voltage from the warning light
terminal on the auxiliary charge alternator, the
icon will illuminate.
1.2 SHUTDOWNS
Shutdowns are latching and stop the Generator. The alarm must be cleared, and the fault removed
to reset the module. In the event of a shutdown the appropriate icon will be illuminated
Auxiliary Input, if the auxiliary input is energised an immediate shutdown will occur. The
icon
will illuminate.
NOTE: - If the Auxiliary input is used to shutdown the engine, the fault must be cleared
before the unit can be reset and the generator restarted.
LOW OIL PRESSURE, if the module detects that the engine oil pressure has fallen below the low
oil pressure switch setting, after the Safety On timer has expired, a shutdown will occur.
The
icon will illuminate.
HIGH ENGINE TEMPERATURE if the module detects that the engine coolant temperature has
exceeded the high engine temperature switch setting, after the Safety On timer has expired, a
shutdown will occur.
The
icon will illuminate.
OVERSPEED, if the engine speed exceeds the pre-set trip (14% above the nominal frequency) a
shutdown is initiated. Overspeed is not delayed, it is an immediate shutdown.
The
icon will illuminate.
NOTE: - During the start-up sequence the overspeed trip level is extended to 24%
above the normal frequency for the duration of the safety timer to allow an extra trip level
margin. This is used to prevent nuisance tripping on start-up.
NOTE: - The safety on time (used for delayed alarms) is pre set to 12 seconds and can
not be changed.
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2 CONFIGURATION INSTRUCTIONS
♦ The only parameter to be configured is the nominal frequency, either 50 Hz or 60 Hz. The
change is made via a switch which is accessible through a slot in the base of the module, (see
photo)
60Hz 50Hz
60Hz-50Hz Switch
♦ This switch adjusts the over speed trip form 57 Hz to 68 Hz, and over shoot from 62 Hz to 70
Hz.
Model 701 Model 701 HC
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3 TERMINAL DESCRIPTION
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
1
DC Plant Supply Input
(-ve)
1.0mm
Connected to plant battery negative
2
DC Plant Supply Input
(+ve)
1.0mm
Connected to plant battery positive
(Recommended Fuse 2A)
3
Fuel relay Output
1.0mm
Used to operate the fuel relay.
4
Start relay Output
1.0mm
Used to operate the cranking relay.
5
Pre-Heat Output
1.0mm
Used to operate the pre heaters. E.g. glow
plugs
6
Auxiliary Input Shutdown
1.0mm
Switch to negative.
7
Charge Fail Input/ Excitation
Output
1.0mm
Must NOT be connected to plant supply
negative if not used.
8
Low Oil Pressure Input
0.5mm
Switch to negative.
9
High Engine Temp Input
0.5mm
Switch to negative.
10
Alternator Input N
1.0mm
Connect to Generator Neutral (AC).
11
Alternator Input L1
1.0mm
Connect to Generator L1 supply (AC)
(Recommend 2A Fuse Max.)
NOTE:- All the outputs are solid state, rated at 1.2 Amps 8 Volts to 35 Volts DC, and
switch to battery negative when active.
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4 SPECIFICATION
DC Supply: 8 Volts to 35 Volts DC Continuous.
Cranking Dropouts: Able to survive 0 Volts for 50 mS, providing supply was at
least 10 V before dropout and supply recovers to 5 Volts.
This is achieved without the need for internal batteries.
Max. Current: Operating 9mA
In Off Mode 0mA
Hours Counter (701 HC only) 0 – 99,999.9 Hours. Tamper Proof
Alternator Input Range: 15 Volts (ph-N) to 305 Volts (ph-N) AC (+20%)
Alternator Input Frequency: 50 - 60 Hz at rated engine speed
(Minimum: 75V AC Ph-N)
(Crank Disconnect from 15V Ph-N @ 20Hz)
Overspeed +14% (+24% overshoot)
Start Output: 1.2 Amp DC at supply voltage.
Fuel Output: 1.2 Amp DC at supply voltage.
Pre Heat: 1.2 Amp DC at supply voltage.
Charge Fail: 3 Volts
Operating Temperature Range:
-30°C to + 70
0
C
Applicable Standards
Compliant with BS EN 60950 Low Voltage Directive
Compliant with BS EN 50081-2: 1992 EMC Directive
Compliant with BS EN 61000-6-4: 2000 EMC Directive
Compliance to European Legislation
Registered Component for USA & Canada
Deep Sea Electronics plc reserve the right to change specification without notice.
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5 SOLID STATE OUTPUTS
DSE’s utilisation of Solid State Outputs gives many advantages, the main points being:
♦ No Moving Parts
♦ Fully Overload / Short Circuit Protected.
♦ Smaller dimensions hence lighter, thinner and cheaper than conventional relays.
♦ Less power required making them far more reliable.
The main difference from conventional outputs is that solid state outputs switch to negative (–ve)
when active. This type of output is normally used with an automotive or plug in relay.
TYPICAL CONNECTIONS
Battery positive (+)
Solid state output from DSE module
eg. Terminal 3 of 701 - FUEL
Fuel Solenoid (+ terminal)
* Observe polarity when using
relays fitted with integral diodes!
*
A
D
B
C
Solid State Output
from DSE Module Pin
Automotive
relay Pin
8 Pin Plugin relay Function
3 86 7 Fuel Output
85 2 To Positive supply via fuse
30 1 To Positive supply via fuse
A
B
C
D 87 3 To Fuel Solenoid
Example of relay pins connected to DSE solid state output to drive a fuel solenoid.
See overleaf for overall typical wiring diagram
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6 DIMENSIONS
701 701HC
Dimensions: Excluding Key
72mm x 72mm x 38mm
(2.83” x 2.83” x 1.32”)
Panel cutout:
68mm x 68mm
(2.68” x 2.68”)
Mounting Method:
2 x Fixing Clips (Supplied).
Dimensions: Excluding Key
84mm x 72mm x 34.9mm
(3.3” x 2.8” x 1.4”)
Panel cutout:
80mm x 68mm
(3.14” x 2.67”)
Mounting Method:
2 x Fixing Clips (Supplied).
7 TYPICAL CONNECTIONS
F 2A
To fused Plant Supply +ve
SSO
SSO
SSO
SSO = Solid state outputs
= External 'Automotive' or 'Plug-in' type relays
3
1 2
4
5
7
8
9
6
1110
+
+
+
F 2A
F
Aux shutdown
Engine temp switch
Low oil pressure switch
Battery negati ve should be grounded
Starter
motor
Crank Fuel
Battery
Charge
alt.
L1
N
Alterna tor
Pre-heat output
Terminals suitable for 22-16 awg (0.6mm
2
-1.3mm2 )field wiring
Tightening Torque = 0.8N-m (7lb-in)
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