2. SYSTEM OVERVIEW .................................................................................................................................. 4
2.1. SYSTEM PART NUMBERS...........................................................................................................................4
2.2. HARNESS DETAIL (P/N 118453 AND P/N 117683).......................................................................................4
3. OVERVIEW OF THE TOTAL PRESSURE GOVERNOR PLUS................................................................. 6
3.1. INFO CENTER DISPLAY..............................................................................................................................7
3.2. INTERLOCK STATUS INDICATORS ...............................................................................................................7
3.3.6. DEC ................................................................................................................................................... 7
The main system harness (p/n 118453) is comprised of a pair of harnesses: the power/communication harness
(depicted below in blue) and the signals harness (depicted below in green).
When the analog signal control option is desired instead of the standar d CAN control option then the analog control
option harness is also required (p/n 117683). This harness is actually a set of wires and sockets which must be
inserted into connector C4 (depicted below with a red dashed line).
Manual P/N 118711
Figure 1. Harness nomenclature.
FORM-ENG-0018 REV A 05-27-03
607 NW 27th Ave
Ocala, FL 34475
Ph: 352-629-5020 or 1-800-533-3569
Fax : 352-629-2902 or 1-800-520-3473
PRODUCT GROUP
PRODUCT
TECHNICAL DATA SHEET
THROTTLE CONTROL
TOTAL PRESSURE GOVERNOR PLUS (TPG+)
P/N 118710 REV 1.00
PAGE
DATE 4/9/2009
BY AMS
5 OF 30
Figure 2.
Harness wiring detail - p/n 118453 with analog option harness p/n 117683 (red).
Manual P/N 118711
FORM-ENG-0018 REV A 05-27-03
607 NW 27th Ave
Ocala, FL 34475
Ph: 352-629-5020 or 1-800-533-3569
Fax : 352-629-2902 or 1-800-520-3473
PRODUCT GROUP
PRODUCT
TECHNICAL DATA SHEET
THROTTLE CONTROL
TOTAL PRESSURE GOVERNOR PLUS (TPG+)
3. Overview of the Total Pressure Governor Plus
The Total Pressure Governor Plus (TPG+) p/n 118710 is an SAE J1939 Controller Area Network
(CAN) device that controls engine speed using data communications directly to the engine ECU or
through with an analog control signal. By operating on the J1939 network, the governor is able to
monitor engine RPM and other pertinent data directly from the engine ECU. Engine information is
available directly so that NFPA required instrumentation is delivered through a single unit saving
panel space and delivering engine specific warnings as determined by each engine manufacturer.
Control algorithms are optimized to take advantage of the J1939 CAN data to yield crisp and
accurate control of engine and subsequently pump speed and pressure output.
For engines that may not support the data link control, an analog output signal is available to
provide precise control of the engine speed and pressure.
PAGE
DATE 4/9/2009
P/N 118710 REV 1.00
BY AMS
6 OF 30
The TPG+ saves pump panel space by incorporating easy to read numeric displays for Pump Intake pressure, Pump
Discharge pressure, and engine RPM in accordance with NFPA standards.
The display shows status, warning, and information messages.
3.2. Interlock status indicators
Backlit text indicates the status of the three (3) interlocks: pump engaged, okay to pump, and throttle ready. Throttle
ready and pump engaged are physical inputs into the gray 12-pin connector (pins 2 and 10 respectively) of the TPG+.
Okay to pump becomes active when both the throttle ready and pump engaged interlocks are present.
3.3. Switch panel
The six (6) control switches are color coded and labeled for easy identification.
3.3.1. IDLE
The IDLE switch (red) forces the governor to idle mode (standby). Pressing and holding this button for one
second while in rpm or pressure mode will cause the engine to ramp down to its idle position.
3.3.2. MENU/SILENCE
The MENU/SILENCE switch (blue) is used to silence the alarm, cycle through the display items, and enter the
setup menu.
3.3.3. PRESET
The PRESET switch (orange) sets the governor to the configured preset engine RPM while in throttle mode, or
preset pressure while in pressure mode.
3.3.4. MODE
The MODE switch (green) sets the governor to either throttle mode (RPM) or pressure mode (PSI). The correct
interlocks must be present for the system to begin governor operation: throttle ready for RPM mode, throttle ready,
pump engaged, and okay to pump for PSI mode.
3.3.5. INC
The INC [increase] switch (yellow) is used to increase the engine RPM or pressure set point.
3.3.6. DEC
The DEC [decrease] switch (yellow) is used to decrease the engine RPM or pressure set point.
3.4. Mode indicator
The mode indicator consists of two (2) LEDs to show the governor’s current operating mode. The PSI LED (yellow)
indicates the governor is operating in pressure mode and the RPM LED (blue) indicates the governor is operating in
throttle mode. When both LEDs are OFF the governor is in idle mode (standby).
3.5. Engine RPM display
The engine RPM display shows the current engine RPM as reported by the Electronic Engine Controller 1 (EEC1)
SAE J1939 network data message transmitted by the vehicle ECU.
PRODUCT GROUP
PRODUCT
TECHNICAL DATA SHEET
THROTTLE CONTROL
TOTAL PRESSURE GOVERNOR PLUS (TPG+)
P/N 118710 REV 1.00
PAGE
DATE 4/9/2009
BY AMS
7 OF 30
Manual P/N 118711
FORM-ENG-0018 REV A 05-27-03
607 NW 27th Ave
Ocala, FL 34475
Ph: 352-629-5020 or 1-800-533-3569
Fax : 352-629-2902 or 1-800-520-3473
3.6. Battery voltage monitor
The battery voltage monitor is comprised of three (3) LEDs (green, yellow, and red). The active LED color indicates
the current system voltage’s range as measured by the power and ground inputs pins. The alarm will activate when
the voltage monitor is in condition RED.
3.7. Coolant temperature monitor
The coolant temperature monitor is comprised of three (3) LEDs (green, yellow, and red). The active LED color
indicates the status of the coolant temperature as reported by the Diagnostic Message 1 (DM1) SAE J1939 network
data message transmitted by the vehicle ECU. The coolant temperature status can also be set to react to user
desired points (see section 5.2.22). The alarm will activate when the coolant temperature monitor is in condition
RED.
PRODUCT GROUP
PRODUCT
• GREEN 12.5VDC and higher
• YELLOW 12.4VDC to 11.9VDC
• RED 11.8VDC and lower
TOTAL PRESSURE GOVERNOR PLUS (TPG+)
TECHNICAL DATA SHEET
THROTTLE CONTROL
P/N 118710 REV 1.00
PAGE
DATE 4/9/2009
BY AMS
8 OF 30
• GREEN No active err or reported b y engine for coolant temperature
• YELLOW Coolant temperature high WARNING – SPN 110, FMI 16
• RED Coolant temperature high CRITICAL – SPN 110, FMI 0
3.8. Oil pressure monitor
The oil pressure monitor is comprised of three (3) LEDs (green, yellow, and red). The active LED color indicates the
status of the oil pressure as reported by the Diagnostic Message 1 (DM1) SAE J1939 network data message
transmitted by the vehicle ECU. The oil pressure status can also be set to react to user desired points (see section
5.2.22). The alarm will activate when the oil monitor is in condition RED.
• GREEN No active error reported by engine for oil pressure
The pump intake pressure display shows the pressure as determined by the intake pressure sensor. By default, this
display shows positive pressure in pounds per square inch (PSI) and negative pressure (vacuum) in inches of
mercury (inHg), but it may be set up to display in metric units (see section 6.1).
3.10. Pump discharge pressure display
The pump discharge pressure display shows the pressure as determined by the discharge pressure sensor. By
default, this display only shows positive pressure in pounds per square inch (PSI), but it may be set up to displa y in
metric units (see section 6.1).
3.11. Stop engine and check engine indicators
The stop engine and check engine indicators are turned ON and OFF as directed by the Diagnostic Message 1 (DM1)
SAE J1939 network data message transmitted by the vehicle ECU.
Manual P/N 118711
FORM-ENG-0018 REV A 05-27-03
607 NW 27th Ave
Ocala, FL 34475
Ph: 352-629-5020 or 1-800-533-3569
Fax : 352-629-2902 or 1-800-520-3473
4. Operation
4.1. Initialization
The TPG+ has a six (6) second power initialization cycle and during this time the display will show:
The TPG+ lights all indicators and shows “8.8.8.8. “ in the
pump intake, pump discharge, and RPM display windows.
The Info Center shows “Class 1 TPG-X”. The last letter of
this display indicates the configured control method of the
TPG+.
TPG-C – CFPG control method
TPG-P – PGN0 control method
TPG-A – Analog control method
TPG-S – Scania control method
TECHNICAL DATA SHEET
PRODUCT GROUP
PRODUCT
First second after the power on cycle.
THROTTLE CONTROL
TOTAL PRESSURE GOVERNOR PLUS (TPG+)
PAGE
DATE 4/9/2009
P/N 118710 REV 1.00
BY AMS
9 OF 30
(See section 6.4 for engine configuration).
Seconds 2 through 4 after the power on cycle.
The TPG+ continues to light all indicators and shows
“8.8.8.8. “ in the pump intake, pump discharge, and RPM
display windows.
The Info Center shows the software version of the TPG+.
The final two seconds after the power on cycle.
The TPG+ turns off all of the indicators and lights only the
decimals of the pump intake, pump discharge, and RPM
display windows.
The Info Center shows “Initializing”.
After the initialization the TPG+ begins normal operation.
Manual P/N 118711
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