Class1 Pressure Governor - East Greenbush Fire Company. Inc.
Contents
1. Contents Class 1 Pressure Governor for Cummins IS Engines Contents Contents meueee aaa aaa aaa aaa aaa aanaaca 1 MPLS HOC SHE 2 NN 3 DAMN case O ECU 4 5 IMSIANAUO xa EE A AAA 6 Water LOSS 7 AOU OTER 8 ISC Gonnector amum rruvasvansaunsnennnsnnnnnnrnnenrsnnnnee 9 ISM Connector eueaaa aa aa aaa aaa aa aawaaai 10 4 8 12 Connector eaeeaaaaaaaaaaaaa 11 Tal PPC 12 13 PTOJTAMMINJ asie EA 14 NOE CE 15 E manuals governors ISengines Gov_IS p65 07261999 1 lezss 1 Interlocks Class provides a variety of engine controls that are used in a broad range of applications therefore it is impossible for C ass7 to determine the suitabil ity of a particular control for any specific application The flexibility of our products allow them to be used in a limitless number of custom applications Class can advise you of the features that are available on a given product so that you can determine what product will meet your needs We believe that the Original Equipment Manufacturers OEM engineering departments should be qualified experts in their product field and are the authorities on product application and safety Since our products are typically used in safety critical applications the OEM must undertake appropriate testing to prevent injury to the end user WARNING IT IS THE OEM S RESPONSIBILITY TO DETERMINE THE SUITABILITY OF ANY PRODUCT2. 4 1 12 VDC 4 2 Ground High Idle C12 3 Throttle Ready C12 2 Pump Engaged C12 10 Sensor Ground C12 5 Sensor Voltage C12 6 Sensor Signal C12 7 manuals govern97 cummins ISXwire ai_05211999 Cummins ECM 9 Remote Accel Position ISC 21 Remote Accel Position ISM 9 Switch Common 1 ISM 45 Remote Throttle ON OFF ISC 43 Remote Throttle ON OFF ISM A Black Ground B Red 5 VDC Throttle Ready E manuals governors ISengines Gov_ S p65 07261999 OEM nterlocks Pump Engaged U gt Transducer Connector 12 VDC 12 666192 0 G9d S AoojiseuUIGueSNSsI0UleAOG S ENueEW 3 el CONNECTOR DEUTSCH DT06 4S POS WIRE DESCRIPTION RED 12 VDC BLACK GROUND PLUG AWIN PLUG So m H Power Cable CONNECTOR DEUTSCH DT06 12SA POS WIRE DESCRIPTION PLUG OEM INTERLOICK 12V HIGH IDLE 12V PLUG BLACK TRANSDUCER ground WHITE TRANSDUCER signal RED TRANSDUCER power BLACK ENGINE SIGNAL PLUG 3 0 N Jom Jor A od po u PTO INTERLOCK 12V Transducer Cable RED__ Ground chassis or signal ER no ME elr eee WHITE REMOTE ACCEL SWITCH Engine Cable CON N PACKARD 12065287 POS WIRE DESCRIPTION A SENSOR RETURN BLK B SENS
3. FOR AN INTENDED APPLICATION AND TO IN SURETHATITISINSTALLED AND GUARDED IN ACCORDANCE WITH ALL APPLICABLE FEDERAL STATE LOCAL AND NFPA SAFETY AND HEALTH REGULATIONS CODES AND STANDARDS 2 E manuals governors ISengines Gov_ S p65 07261999 Overview Class 1 Electronic Engine Pressure Governor The Class1 Pressure Governor is designed to maintain a selected pump pressure or engine speed setting This unit will work with electronically controlled Cummins Interact System En gines ISB ISC 8 ISM Included in the package The governor control is shipped with the following components Governor Control PN 102308 Pressure Transducer PN 100581 P165 5276 300 User Manual PN 102947 Installation Harness PN 102946 Modes of Operation Power On When the unit is initially powered up the display will show MODE and the engine will remain at idle All switches except the MODE switch are inactive at this point The mode switch must be pressed to select the desired operating mode Pressure or Throttle Then the INC increase DEC decrease and PRESET switches become active Throttle Mode When the unit is in RPM mode the display will read THROTTLE and the green RPM LED will be illuminated Engine speed is controlled by the increase and decrease switches the display will indicate INCREASE or DECREASE as appropriate when these switches are depressed Initially the engine speed will ramp slowly and then ramp fast
4. manuals governors ISengines Gov_IS p65 07261999 9 Class 1 ISM Connector _ The Class Pressure Governor interfaces with the Cummins Engine Control Module ISM through the 50 pin OEM connector 12 VDC Class 1 Governor Control B 3 HI Idle Cummins ISM Analog OUT B21 Remote Throttle Position Input Switch Common 1 Ground B11 B12 Remote Accelerator Switch A 2 Battery Ground GROUND B09 Switch Common B 43 Remote Throttle ON OFF GND OEM Harness Connector B 5 Cummins ISM B 6 B 7 Transducer Connector OEM Interlocks NOTES The Cummins ECM must be programmed for Remote Throttle This document is meant only as an installation guide All information is correct as of the date drawn but the customer needs to be aware that any documentation is subject to change without notice and that the best possible resource is the equipment manufacturer directly Interlocks should conform to any applicable safety considerations for the vehicle s intended use such as the latest edition of the N F P A 1901 Standard for Automotive Fire Apparatus OEM Connector Cummins OEM Connector 09 Switch Common 1 Ground ECM SIDE 21 Remote Throttle Position Signal 26 J1708 Data Link 27 J1708 Data Link 34 Remote PTO Enable Signal Preset Speed NOT Throttle 43 Remote Throttle Enable Signal Throttle 48 Accelerator Position 5 VDC Supply 49 Accelerator Position Re
5. the IDLE switch causes the high idle to drop out and the high idle input must be toggled off and then on again to reinstate high idle The INC and DEC switches are active with high idle however they will not change the stored preset RPM Idle Mode Pressing the IDLE switch at any time will return the engine to idle speed and clear the current session setpoints from the governor E manuals governors Sengines Gov_ S p65 07261999 3 i lezss 1 Operation At governor power on the Message Center will display MODE and neither the RPM northe PRESSURE LED will be illuminated At this point you must select an operating mode using the MODE switch before the governor will operate The governor will check for a valid pressure transducer signal at power up if none is found SENSOR will be displayed in the message center If no interlocks are established NO INTLK will be displayed in the message center when the MODE switch is pressed and the governor will not respond to an increase or decrease request If only the OEM throttle interlock is active you may select RPM mode and THROTTLE will be displayed If you attempt to select pressure mode NO INTLK will be displayed when the MODE switch is pressed and the governor will remain in RPM mode and THROTTLE will be displayed The governor will respond to increase and decrease commands from the INC and DEC switches within the operating capabilities of the engine When the INC s
6. HROTTLE or PRESSURE will be displayed dependent on the operating mode selected While the governor is powered up and the OEM Throttle Interlock is active a remote High Idle function is available A 12 volt input is available to activate this feature This feature will not activate if a governing mode has been chosen the pump engaged interlock is active or the throttle interlock is lost If High Idle is active it will drop out when the pump is engaged or the throttle interlock is lost While the high idle feature is active HIGHIDLE will be displayed in the message center The INC and DEC switches are active in the High Idle Mode but only change the engine speed from the preset speed for the current session When operating in pressure mode once the pump pressure exceeds 40 PSI the gover nor will monitor the pump discharge for water starvation If the pump discharge pres sure drops below 25 PSI for more than 5 seconds the governor will return the engine to idle CAVITATE will be displayed in the message center The governor enters it s initial power on state and a mode must be selected before governing is enabled again NOTE While the governor is determining cavitation the discharge pressure drop will be treated normally That is the engine will be commanded to in crease speed to compensate for the pressure reduction This can result in the engine running at it s maximum PTO speed If the water loss is not suffi cient to keep t
7. OR 5 RED PSG PUMP PSI GRN OEM Cable c manuals govern97 CUMG_hrn ai i Se 2 THROTTLE SIGNAL Ground REMOTE ACCEL SW CIRCUIT COLOR OEM INTERLOCK WHT HIGH IDLE WHT PTO INTERLOCK WHT lass 1 Programming Changing the preset RPM or Pressure Remove power to the controller Press and hold the Preset Switch Apply power to the controller and continue to hold the preset switch until the display shows PRESET then release the preset switch approx 5 seconds Select a mode and operate the controller until you attain the desired RPM or pressure Press the PRESET switch to store this value The display will read STORE while the value is being stored change the operating mode and select the desired preset for that mode Press the PRESET switch to store this value Press IDLE to return to normal operation Programmable Parameters Press and hold the IDLE and PRESET switches then press the MODE switch The message center will show MENU press the MODE switch This will scroll through the three menu options SET RAMP SET SENS SET GAIN When the option that you want to change is displayed press the INC switch to select it RPM Ramp Rate This parameter controls how fast the governor responds to increase and decrease requests Values are 0 10 with 5 being the defaul
8. er if the switch is held down for more than 3 seconds The governor will maintain the last speed attained with these switches PSI Mode When the unit is operating in PSI mode PRESSURE will be displayed and the amber PRESSURE LED will be illuminated A pump pressure setpoint is taken from the pressure transducer each time a switch is pressed Using the increase and decrease switches the display will indicate INCREASE or DECREASE as appropriate The governor main tains pump discharge pressure by controlling engine speed to maintain the pressure setpoint The governor will maintain the last pressure achieved with the switches When the governor is actively controlling the engine to maintain pressure the display will show CTRL INC or CTRL DEC to indicate control and direction Switching between modes Pressing the mode switch will change the governor from RPM to PRESSURE mode without a significant change in engine speed or pump pressure The message center will indicate PRESSURE or THROTTLE accordingly Preset Mode Pressing the PRESET switch in either mode will control the engine to attain the preset RPM or pump pressure High Idle Mode An input is available to bring the engine speed to the PRESET RPM High Idle from a remotely mounted switch When the governor is operating in this mode the display will read HIGHIDLE This function is unavailable when the governor is operating or if the pump is engaged Pressing
9. er input 12 24 VDC Terminal 4 2 This is the Governor ground input Interlocks There are two 2 12 VDC interlocks that must be supplied to the governor for operation Terminal 12 2 The Throttle Ready or OEM Interlock must be continuously maintained once it is estab lished This input allows the governor to operate in RPM mode and accept a High Idle input Terminal 12 10 The Pump Engaged Interlock is necessary to initiate pressure governing and it must not cause the OEM interlock to dropout when it is established or erratic operation of the governor could ensue When the pump engaged interlock is active the high idle function is precluded High Idle Terminal 12 3 This 12 volt signal input causes the governor to bring the engine to a preset RPM Remote Accelerator On Off Relay Terminals 12 11 and 12 12 ISC There is a delayed 2 second output available to switch Battery Ground to the remote accelerator switch ECM B45 ISM There is a delayed 2 second output available to switch Common 1 to the remote throttle enable switch ECM B43 This is the recommended configuration to handle the throttle source switching function from the cab throttle to the remote throttle Transducer Connection Terminals 12 5 12 6 amp 12 7 Sensor ground is provided at terminal 5 Sensor voltage 5VDC for the pressure transducer is at terminal 6 Sensor signal is input at terminal 7 Control Signal Terminal 12 8 The engine control signal output is se
10. he pressure below 25 PSI for 5 seconds the timing loop is reentered and this could result in the engine running at maximum RPM for a period of time longer than 5 seconds The pump operator should be vigilant to this possibility E manuals governors ISengines Gov_IS p65 07261999 5 lass 1 Installation Installation Control Module The control module requires a rectangular cutout as shown The module is watertight and may be mounted in any location on the operators panel MOUNTING HOLES AND CUT OUT DIMENSIONS 6 000 ERNOR CONTROL MESSAGE CENTER Pressure Transducer Locate the pressure transducer in the discharge manifold of the pump Threads are 1 4 NPT and a sealant should be applied prior to installation The transducer should be located in an area with minimum turbulence When tightening the transducer apply torque to the 1 1 4 hex flange of the transducer not the body System Wiring The pressure governor comes with wiring and connectors to aid installation Refer to the diagrams in the manual for specific governor requirements Refer to the appropriate Engine Electronic Application and Installation Guide for information on engine electrical interfacing and programming 6 E manuals governors ISengines Gov_ S p65 07261999 Water Loss Class 1 Special Programming Cons
11. iderations for the engine The Cummins Electronic Engine Control Module ECM must be programmed for the remote Accelerator feature Class ENGINE RPM VOLTS IDLE PRESET 9008 8980 LODU 40 0 RPM PRESSURE OIL PRESSURE f 00 aag 0 0 0 0 0 0 MODE Class ENGLISH Psi F METRIC kPa C GOVERNOR ENGINE STATUS CENTER CONTROL MESSAGE CENTER PUMP ENGAGED menu SILENCE SELECT OKAY TO PUMP THROTTLE READY Water Loss The control unit will protect against running the pump dry after water loss is detected Once the discharge pressure reaches 40 PSI the governor monitors the pressure trans ducer for cavitation If the pressure drops below 25 PSI for 5 seconds and the pressure does not recover the engine will be controlled to idle and the display will show CAVITATE until the mode switch is pressed Normal response is for engine RPM to increase in an effort to maintain pump discharge pressure ENmanualsigovernorsiiSenginesiGov _IS p65 07261999 7 lass 1 Input Output Power and Ground It is imperative that the C ass7 Pressure Governor be grounded directly to the vehicle battery and that the unit be powered by the same source as the engine Electronic Control Module This is the only configuration that will assure reliable operation Terminal 4 1 This is the Governor pow
12. ith the INC DEC switches it is functioning A delay relay is incorporated that activates 2 seconds after 12 V is input on terminal 2 of the 12 pin connector Common 30 at pin 11 and NO 87 at pin 12 12 Vat pin 2 allows throttle operation and 12 V at pins 2 and 10 allows PSI governing 100581 P165 5276 300 PSI T Transducer ri re Vortage Low mV The transducer must have 5 VDC from the governor B 6 at terminal B 0 22 680 The transducer must have ground from the governor B 5 at terminal A 23 04 gt The transducer returns a variable voltage signal from terminal C to the governor B 7 4 18 Check for signal voltage and ground at the transducer with a meter between pins A and B with the transducer unplugged It must be 5 0 VDC If the voltage and ground are Ter correct plug the transducer in and check for FSI voltage at the governor B 7 It must 75 84 1708 range between 700 mV and 4 5 V and vary with pressure 85 94 1846 95 104 1988 105 114 2105 115 124 2243 125 134 2384 135 144 2522 145 154 2664 PWM RAW XDCR PSI POTCNTS PARAMETER PRESET BARZE ENmanualsigovernorsiiSenginesiGov _IS p65 07261999 15
13. nt to the engine ECM remote throttle position input 8 E manuals governors ISengines Gov_ S p65 07261 999 ISC Connector Class 1 The C ass7 Pressure Governor interfaces with the Cummins Engine Control Module through the 50 pin OEM connector B Cummins ISC Governor Controller Class 1 u l Analog OUT B9 Remote Throttle pg je Remote Accelerator Switch B45 Remote Throttle On Off Ground Battery Ground B11 A 2 GROUND B 5 B 6 OEM Harness Connector B 7 ECM B Cummins ISB ISC B10 Transducer Connector A Black 12 VDC THROTTLE_ PUMP OEM Interlocks Cummins B Connector ECM SIDE NOTES The Cummins ECM must be programmed for Remote Throttle This document is meant only as an installation guide All information is correct as of the date drawn but the customer needs to be aware that any documentation is subject to change without notice and that the best possible resource is from the equipment manufacturer directly Interlocks should conform to any applicable safety considerations for the vehicle s intended use such as the latest edition of the Forward or Left Connector N F P A 1901 Standard for Automotive Fire Apparatus manuals Governor Cummins cum_isc_guv ai 05211999 OEM B Circuit Governor Terminal 9 Remote Accelerator Position Terminal 8 NA Ground Terminal 11 Terminal 45 Remote Accelerator Switch Terminal 12 E
14. t The lower the value the faster the response Ramp XX is displayed where XX is the current numeric value Pressing the INC DEC switches change the value Press PRESET to save change Press MODE to scroll to the next parameter PSI Gain This parameter controls the pressure gain or how quickly the governor controls the engine to react to pressure changes Values are 0 10 with 5 being the default The lower the value the slower the response Gain XX is displayed where XX is the current numeric value Pressing the INC DEC switches change the value Press PRESET to save change Press MODE to scroll to the next parameter PSI Sensitivity This parameter controls the pressure sensitivity or how much the pressure is allowed to deviate from the setpoint before the governor will control the engine to restore the setpoint pressure Values are 0 10 with 5 being the default The lower the value the tighter the pressure window the governor maintains Sense XX is displayed where XX is the current numeric value Pressing the INC DEC switches change the value Press PRESET to save change Press MODE to scroll to the next parameter Pressing IDLE exits from the Menu and saves the current parameters The message dis played is DONE 14 E manuals governors ISengines Gov_ S p65 07261 999 Notes Class 1 The control signal is an analog voltage that uses 900 mV for idle and 3 8 V for maximum throttle Ifthe signal is present and varies w
15. turn Ground Forward or Left Connector manuals Govern97 Cummins cum_ISM_guv ai_08232K 10 E manuals governors ISengines Gov_ S p65 07261999 4 amp 12 Connector Class 1 DT06 4S 1 System Power 12 VDC INPUT 2 System Ground Ground INPUT 3 Plug NC 4 Plug NC DT06 12S 1 Plug Plug OUTPUT 2 Throttle Interlock 12VDC INPUT 3 High Idle 12 VDC INPUT 4 Plug NC 5 Signal Ground XDucer Ground OUTPUT 6 Signal Voltage XDucer 5 VDC OUTPUT 7 Signal IN Xducer Signal INPUT 8 Analog Out Control Signal OUTPUT 9 Plug NC 10 Pump Engaged Interlock 12 VDC INPUT 11 Delay Relay Common 30 Enable Input INPUT 12 Delay Relay NO 87 Enable Output OUTPUT Governor Connectors OEM Circuit Governor Terminal 21 Remote Accelerator Position Terminal 8 Terminal 09 Switch Common 1 Terminal 11 Terminal 43 Remote Accelerator Switch Terminal 12 E manuals governors ISengines Gov_IS p65 07261999 11 Connector Terminal Position RON Connector Terminal Position DT06 4S Sockets Wire Color RED Black Plug Plug DT06 12S Sockets Wire Color Plug Plug Plug Description 12VDC Ground NC NC ECU Power Description NC OEM Interlock High Idle NC Sensor Ground Sensor Voltage Sensor Signal Control Signal NC PTO Interlock Enable Input Enable Output Class 4 Pressure Governor C12 8 Control Signal Delay Rly30 C12 11 Delay Rly 87 12 12
16. witch is pressed INCREASE is displayed in the message center When the DEC switch is pressed DECREASE is displayed Every time the INC or DEC switch is released the current engine RPM is maintained by the governor and the message center will display THROTTLE to indicate that the governor is active and operating in RPM mode Whenever the gover nor adjusts the engine speed to maintain the established RPM CTRL INC or CTRL DEC will be displayed while the governor is actively adjusting engine speed to maintain the setpoint The message center will again display THROTTLE once the adjustment has been completed When the PTO Engaged Interlock is active pressure mode can be selected and the governor switch operation and display is identical to RPM mode except that PRESSURE is displayed instead of THROTTLE and the PRESSURE LED will be illuminated 4 E manuals governors ISengines Gov_ S p65 07261 999 Operation Class 1 Whenever you desire to return to idle press the IDLE switch The message center will display IDLE REQ and the engine speed will be reduced to normal idle This clears the governor of any current session PSI or RPM setpoints and MODE will be displayed in the message center The PRESET switch can be used anytime after an operating mode has been selected to promptly bring the engine or pump to the preset point The message center will display PRESET while the engine is being adjusted and then either T
Download Pdf Manuals
Related Search