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MURPHY and the Murphy logo are registered and/or common law trademarks of Murphy Industries, Inc. This 
document, including textual matter and illustrations, is copyright protected by Murphy Industries, Inc., with all 
rights reserved. (c) 2011 Murphy Industries, Inc. Other third party product or trade names referenced herein are 
the property of their respective owners and are used for identification purposes only. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Summary of Contents for iGUARD

Page 1: ...00 02 0522 04 06 11 Section 75 iGUARD DigitalGeneratorSetController Installation and Operations Manual P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 2: ...ng information before installing BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT Disconnect all electrical power to the machine Make sure the machine cannot operate during installation Follow all...

Page 3: ...e Parameters 16 Generator Parameters 18 Digital Inputs and or Relay Outputs 21 Analog Inputs 30 Manufacturers Specifics 36 iGUARD Typical Installation and Mounting 38 iGUARD Electrical Installation 41...

Page 4: ...THIS PAGE INTENTIONALLY LEFT BLANK P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 5: ...board components and potentially harmful AC voltage wiring User Interface and Navigation The keypad on the iGUARD is a capacitive touch sensing system There are no mechanical switches to wear or stick...

Page 6: ...ormal operation steps forward backward through the screens available in the active submenu Next In normal operation steps forward through the main menu selection Back In normal operation steps backwar...

Page 7: ...ors there may be a requirement for automatic lubrication prior to cranking set to 0 to bypass Preheat Timer set to provide the correct amount of precrank operation of the air intake heaters used to fa...

Page 8: ...ll not allow an automatic restart without a system reset Immediate Shutdown Lockout no Cooldown Mode Because of the severity of most faults the controller will cause an immediate Shutdown Lockout with...

Page 9: ...viewing of the data screens but parameters cannot be edited PAS1 Operational Access It allows Manual Start and Stop but parameters cannot be edited PAS2 Parameter View Access Allows for viewing of al...

Page 10: ...100 ask for technical support We will provide a temporary password that will allow you to access the system to recover the passwords Acknowledging Maintenance Timers Status Warning Screen You may see...

Page 11: ...displayed on the top line each time ENTER and NEXT keys are pressed 4 seconds 8 seconds 12 seconds To select a different speed simultaneously press the ENTER and NEXT keys again to go to the next spee...

Page 12: ...ecurity Allows input of 4 character security code Level No operational Access It allows viewing of the data screens but parameters cannot be viewed or edited Level 1 Operational Access It allows Manua...

Page 13: ...C parameters b AC Alternator Genset Default 4 Key Sensitivity Level Determines how sensitive the touch pad keys are for your application a Low b Normal Default c High 5 Default Screen When the system...

Page 14: ...After it times out the LCD screen changes to a text message the blue LCD backlight is turned off and the Energy Monitoring board is de powered Any keypress or a remote call to run wakes the unit up Va...

Page 15: ...Analog values digital input and relay status may be read on these screens at any time The relays may only be forced in Manual Mode while not running 18 Reset Configuration Allows user to force a compl...

Page 16: ...s of the Modbus server 247 is default 3 RS 485 Server SLAVE bit frame Sets the number of start data stop bits for serial communications via RS 485 Modbus a 10 bits N 8 1 b 11 bits N 8 2 4 Server SLAVE...

Page 17: ...the materials supplied with the engine ECU by the manufacturer to become familiar with the specifics of your engine 1 Engine ECU Type Selects which ECU communications interface will be used to provide...

Page 18: ...ut J1939 None MPU J1939 MPU AC Freq MPU Digit input MPU None AC Freq J1939 AC Freq MPU AC Freq Digit input AC Freq None 3 ECU Address Claim a None Required b Single ECU c Multiple ECU s 4 Engine Manuf...

Page 19: ...interval timer for end user maintenance reminder Default 100 hours 8 Oil Filter Life Sets service interval timer for end user maintenance reminder Default 100 hours 9 Belt Life Sets service interval...

Page 20: ...rank Time In gaseous fueled engine applications a purge crank is used to prevent gas build up and vent any accumulated gaseous fuel from the system so that it will start with a known condition The eng...

Page 21: ...ure Warning Oil pressure at which the controller activates a warning indication Default 25 PSI 19 Oil Pressure Shutdown Oil pressure at which the controller shuts down the system due to low oil pressu...

Page 22: ...1 Crank Termination AC When using the AC frequency for a speed source this is the equivalent to crank termination RPM Default 20 Hz 2 AC Speed Signal Delay Delay to allow excitation of the alternator...

Page 23: ...High Wye b 3Ph Low Wye c 3Ph Wye Default d 3Ph Delta e Center Tap Delta f Single Phase There are a number of ways to connect AC to the iGUARD It is important to understand the options and their meanin...

Page 24: ...ator Off Default inverse very inverse extremely inverse long time inverse 19 IDMT Pickup Current Current setpoints for Thermal Protection to start Default is 300A 20 Maximum Inst Over Current Over cur...

Page 25: ...cket coolant temperature this should pose no problem for NFPA 110 NFPA 99 applications unless the application is in some way special or the local inspector is making exceptions based on intended use o...

Page 26: ...nerator Config 5 Digital Input 22 Generator Config 6 Digital Input 23 Fuel Filter Restriction Digital Input 24 Air Filter Restriction Menu Selections for Digital Inputs 1 Disabled Not used 2 Remote Ca...

Page 27: ...start until this is cleared 15 Emergency Stop N C Removing ground from this input causes an immediate shutdown and lockout with a message of Emergency Stop System will not start until this is cleared...

Page 28: ...Generator Steering In applications where there is a voltage reconnection switch for reconfiguring the alternator from 480V 3 phase 4 wire to 240V 3phase 4 wire or 240V single phase 3 wire the steering...

Page 29: ...he same while in parallel output currents add but the voltages remain the same For example assume that we are in a high wye configuration If we are loaded such that the coil T7 T10 T8 T11 and T9 T12 a...

Page 30: ...Relay 1 Preheat 2 Relay 2 Crank 3 Relay 3 Fuel 4 Relay 4 Common Alarm 5 Relay 5 Common Alarm 6 Relay 6 Remote Alarm 7 Relay 7 Enable ECU 8 Relay 8 Not in Auto Output States 1 Not Used 2 Preheat Relay...

Page 31: ...Self clearing 15 High Eng Temp Warning Relay operates when the engine coolant temperature is above the warning setpoint self clearing 16 High Eng Temp Shutdown Relay operates when the engine coolant t...

Page 32: ...Enable Relay operates to enable the engine ECU ECU enable will open during STANDBY 32 Prelube Post Lube Relay operates to activate for both pre and post lube cycles 33 Prelube Relay operates to activa...

Page 33: ...ed 49 Battery Charger Fail 50 Oil Temp High Oil temperature is above warning setpoint 51 Fuel Level Low Warning 52 Modem Power Enable Used to turn modem on off to force a known state 53 Running Warm u...

Page 34: ...GUARD uses variable precision current sources to accommodate many different brands of resistive senders as well as true detection of open missing sender and sender shorted to ground To use an analog i...

Page 35: ...Fuel 10 0 5VDC VDO Temp special Optional output board Required 24 VDO Fuel 11 0 5VDC VDO Pressure special Optional output board Required 25 Datcon Oil Temp 12 0 5VDC current 26 Murphy Oil Temp 13 Dat...

Page 36: ...andard iGUARD connection diagrams show this type of connection However some applications either require or are much easier to implement using a positive V battery signal to indicate the input is activ...

Page 37: ...on name Relay designation is displayed in sequence For the first remote relay board the relay designation will be assigned in sequence starting at 101 up to 124 example Relay 1 is displayed as 101 Rel...

Page 38: ...iGUARD communicates with the ECU to see if there are any Wait to start conditions such as a Important variables not at their ready to start values b The ECU is sending out a Wait to Start message 4 If...

Page 39: ...o in plain text This is intended to help with any troubleshooting The numeric fault codes are always available in case the fault or warning message is not one of the ones supported by text description...

Page 40: ...ontact of relay 7 to terminal G on the 21 pin instrument panel connector Notes John Deere originally implemented J1939 revision 2 When finalized it implemented revision 4 of the standard As long as th...

Page 41: ...ries ECU Install any all ECU connections as per your ECU manual Program relay 7 on the iGUARD to be ECU enable Run a wire from the common of relay 7 to V battery Run a wire from the normally open cont...

Page 42: ...of the cutout and mounting screw holes Once the holes are cut check to make sure that there is adequate clearance so that the edges of the iGUARD housing mounts flat and flush against the outside surf...

Page 43: ...Section 75 00 02 0522 04 06 11 39 iGUARD Dimensions and Cutout Schematic P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 44: ...ayout iGUARD Typical Components The iGUARD Controller Components 1 Bezel Faceplate 2 O Ring 3 User Interface Board 4 I O Board 5 Energy Monitoring Board 6 Cover 7 Standoffs P h a s e o u t D i s c o n...

Page 45: ...connector for AC Voltage and Neutral Inputs One 1 4 position connector for DC supply Additionally there is a 2 position connector for normally closed Emergency Shutdown switch that is shipped install...

Page 46: ...communications connector supports RS 232 for programming the controller with the iGCON software tool modem connection and the Modbus client master connection J5 Digital Inputs 1 8 P h a s e o u t D i...

Page 47: ...should be of the two wire type with the return wire coming back to the appropriate sender ground NOTE Murphy recommends the use of two wire senders with the sender return connected to the analog chann...

Page 48: ...res a true positive emergency stop we recommend that you install a normally closed type switch between terminals 1 2 In the event of an emergency stop actuating the switch will remove power to the rel...

Page 49: ...d functions at will from the front panel Energy Monitoring Board EMB From the rear of the unit there is a smaller board on the left side This is the energy monitoring board All the AC connections are...

Page 50: ...al to terminal 1 In single phase applications apply phase A to terminal 1 phase B to terminal 2 neutral to terminal 4 In Center Tapped Delta applications apply phase A to terminal 1 phase B to termina...

Page 51: ...the CT s are commoned together 4 wires CT1 CT2 CT3 and CT common the system will only read 1 2 of the current signal unless the iGUARD is programmed to reflect commoned CT s The iGUARD supports both...

Page 52: ...Energy monitoring board EMB The controller offers a low impedance path to neutral 025 so the common mode voltage will be within a safe range Commercially Available Connectors Connections to the iGUARD...

Page 53: ...04 06 11 49 An extractor tool might also be necessary in case of a broken wire misinserted terminal or when a wire needs to be removed P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A...

Page 54: ...for the iGUARD Master controller The Mimic Annunciator features the front bezel display which includes the user interface board and Modbus device that communications with the iGUARD Master controller...

Page 55: ...The menus are as follows 1 Modbus server address This is the address of this device as seen on the network Default is 243 2 Key sensitivity level This sets the required amount of force to activate the...

Page 56: ...exactly as if it were the front panel of the actual iGUARD the user may start and stop manually change between automatic and manual modes acknowledge alarms and reset the system The only thing that a...

Page 57: ...Section 75 00 02 0522 04 06 11 53 iGUARD Non ECU Wiring P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 58: ...Section 75 00 02 0522 04 06 11 54 P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 59: ...Section 75 00 02 0522 04 06 11 55 iGUARD Three Phase Wiring iGUARD Single Phase Wiring P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 60: ...Section 75 00 02 0522 04 06 11 56 iGUARD In Center Tapped Delta Wiring P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 61: ...Section 75 00 02 0522 04 06 11 57 iGUARD Sequence Appendix P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 62: ...lity 3g 3 axis frequency swept 10 1000 Hz Operating Storage Temperature Range 40 185 F 40 85 C LCD Operating Range 4 176 F 20 80 C I O s Designed to meet NFPA110 NFPA 99 plus offers additional inputs...

Page 63: ...Section 75 00 02 0522 04 06 11 59 iGUARD Options and Accessories P h a s e o u t D i s c o n t i n u e d P r o d u c t C h e c k A v a i l a b i l i t y...

Page 64: ...ations is copyright protected by Murphy Industries Inc with all rights reserved c 2011 Murphy Industries Inc Other third party product or trade names referenced herein are the property of their respec...

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