IQAN-TOC8 Instruction book
Contents
1. Connecting DB9 F for RS232 usage When using the recommended Parker adapter cable 5030089 the connection from TOC8 to PC can be made with the IQANdevelop included cable 5030024 and from TOC8 to modem with a separately purchased cable 5030080 NOTICE The Remote Diagnostic cable 5030080 must be used when connecting a modem to the TOC8 Use of the MDM RS232 cable 5030024 may damage the modem Using a modem Start modem communication as follows e Attach the modem to the TOCS8 e Power up the modem first then power up or reset the TOC8 e Wait 45 seconds for the modem to initialize The TOC8 will blink a double fast yellow code to indicate the modem is attached e Dial up the modem the TOC8 will automatically answer A fast yellow red double blink indicates ringing e Ifa Reset Master command is sent or a new application is downloaded the TOC8 will reset Modem communication will not cease but with some equipment the blink code will change from the fast double yellow blink code to the normal status single blink CAN connection The module has a CAN interface that can be used to connect to SAE J1939 or similar bus for communication between IQAN TOC8 and other systems Instruction book IQAN TOC8 10 Reference voltage VREF 6 Installation Connecting to CAN interface The interface is connected from the engine s SAE J1939 interface to the CAN_H and the CAN_L EXAMPL2. IQAN TOC8 Instruction book Publ no HY33 8304 IB UK Edition 2011 08 10 Parker ENGINEERING YOUR SUCCESS Contents 1 Introduction iii acia alas aaa aos 1 Warning Seege dh 1 Overview of relevant documentation oooocccoccoccccccncnono noc 2 2 PrecautioNS cios dico ii ceed 3 Read iS ca a dais 3 3 Product description ooooooooocccooooomosscccssssssosss 5 IOAN TOGS piesa ca ee A Leena eae hee os 5 Be Safety A O iat aie wee oe wen ele ae 6 Internal diagnostics cece cece cece nent ene coreo 6 CAN bus interruption ccc cece cece ence nana 6 Currenticheck e203 85 ett a ele ae tite eau OAAR oa ka sacs sama se 6 Emergency STOP s s 44 diia ains da wha rs ae 6 5 lt MOUNTING ii A as 7 Mounting the Unit cece cece erect ence rar 7 6 Installati n orriren 00 86 tae 6 6 a a esa 8 Connector Glacial a 8 Supply voltage seee saiia rr dr 9 COMMUNICATION veria state doa re leete aleta 10 Reference voltage VREF oooococcococcncccccnconancnrn rra 11 Voltage INputs 6 seoanei cece cece cence erence teen eee eeens 12 FFEQUENCY INPUTS daa 15 Current OUtTpUES ocak etaa dows dbatasngiud att 16 Digital OUTPUTS See ene Ae ened a 17 PWM OUtpUtS s ics cee eee id e ee as 19 7 StartUp ana Ra 1s Siete sie w ecoiere idle AT Asa 20 Start up procedures ssssssssereecrsosseserseereeesossseseee 20 8 System Diagnostics oooooococccoccrcrnnncr
3. The switches may be connected to VREF and VIN respectively The current consumption for the voltage input is negligible It is also possible recommended to connect system voltage BAT to the voltage input through a switch EXAMPLE Connect the positive and negative terminals of the switch to VREF A position 2 and VIN A position 3 respectively IQAN TOC8 VREF A pos 2 VIN A pos 3 switch Connecting a switch to VIN A NOTICE Maximum load for each VREF position see Appendix A on page 22 EXAMPLE Connect the positive and negative terminals of the switch to BAT and VIN A position 3 respectively V BAT IQAN TOC8 VIN A pos 3 switch Connecting a switch to VIN A and BAT Instruction book IQAN TOC8 14 Frequency inputs 6 Installation Frequency inputs Connecting sensors to the frequency inputs For the frequency ranges and trigger levels see Appendix A on page 22 Simple frequency sensor The positive terminal of the frequency sensor is connected to the VREF and the negative terminal to the VREF respectively The sensor signal is connected to a FIN position If the current consumption for the sensor exeeds the maximum load for the VREF the sensor could be connected to the BAT positions EXAMPLE Connect the positive and negative terminals of the frequency sensor to VREF A position 2 and VREF A position 4 r
4. VIN F DIN F 21 DOUT A 35 DOUT C PWMOUT A PWMOUT C 8 VIN G DIN G 22 DOUT B 36 DOUT D PWMOUT B PWMOUT D 9 VIN C DIN C FIN C 23 DOUT E 37 ALARM PWMOUT E 10 VIN H DIN H 24 DOUT F 38 GND DATA PWMOUT F 11 VREF B 25 DATA OUT 39 READY OUT 12 VIN D DIN D FIN D 26 DATA IN 40 BSL IN 13 VREF B 27 VIN I DIN I 41 VIN J DIN J 14 not used 28 BAT 42 BAT2 12 V 24 V 12 V 24 V Unshaded positions are Junior Power Timer pins Shaded positions are Micro Timer pins See above for wire seal pin number and crimping tool information The IQAN tool kit is found in the IQAN accessories datasheet Instruction book IQAN TOC8 Supply voltage 6 Installation Supply voltage Before any installation of the IQAN system can take place make sure the ignition lock is turned off and the battery is disconnected Emergency stop Make sure an Emergency Stop disconnecting the power supply is easily accessible at any time The figure below shows how to connect the emergency stop Connecting of Supply Voltage The supply voltage should be within the operating interval see Appendix A on page 22 Connect the supply voltage to BAT position 28 and BAT position 15 Protect the control by using a fuse Requisite fuse level should be 20 A fast F Emergency Stop IQAN TOC8 Or 20A BAT pos 28 BAT pos 15 su z Symbol for disconnecting switch for battery ignition lock and ot
5. gives an immediate indication as to the cause of an error Yellow red status LED Green power on The location of the LED indicators on the IQAN TOC8 control The green LED indicates power on The yellow red LED will be blinking a pattern showing status and also when an error has been detected To get futher information about the error messages see Appendix B on page 25 Instruction book IQAN TOC8 21 IQAN TOC8 Technical Overview Appendix A Appendix A IQAN TOC8 Technical Overview Absolute maximum ratings Ta 25 C unless otherwise specified Limit values Parameter Unit Remark min typ max Operating ambient temperature Ta 40 80 C Storage temperature 40 100 Voltage supply Vg Ar 6 36 V Analog input levels VIN 36 36 V Digital input levels DIN 36 36 V Load current COUT A internally limited Load current DOUT A internally limited Load current total all outputs 20 A Environmental ratings Limit values Parameter Unit Remark min typ max EMI ISO 11452 2 50 V m ISO 14982 50 V m ISO11452 4 1SO7637 2 ESD EN 61000 4 2 external 15 kV CAN bus length 100 m Mechanical environment IEC 60068 2 64 Fh random 10 250 Hz 0 1 e Hz IEC 60068 2 27 Es shock 11ms 40 g IEC 60068 2 29 Eb bump 6ms 40 g Climate environment IEC 60068 2 18 Rb2 water 3 min 30kPa 12 5 l min IEC 60068 2 30 Db varl damp cyclic
6. 04 IS HY33 8304 ES The IQAN TOC8 module documentation system Instruction book IQAN TOC8 op e Read This 2 Precautions 2 Precautions Work on the hydraulics control electronics may only be carried out by trained personnel who are well acquainted with the control system the machine and its safety regulations WARNING Make sure that you have sufficient knowledge before designing modifiying or servicing the control system Read the relevant sections of this document before conducting any work on the control system WARNING This product is not field repairable NOTICE As much as possible of the welding work on the chassis should be done before the installation of the system If welding has to be done afterwards the electrical connections on the system must be disconnected from other equipment The negative cable must always be disconnected from the battery before disconnecting the positive cable The ground wire of the welder shall be positioned as close as possible to the place of the welding The cables on the welding unit shall never be placed near the electrical wires of the control system Read This Design of control system WARNING Risk of injury may be introduced by design of control system This product is designed to control hydraulic outputs The control application must be designed using basic safety principles so that unintentional movement is avoided The machine must be equipped with an
7. 72 hour 25 55 C 95 RH IEC 60068 2 3 Ca damp heat steady state 240 hour 44 C 93 RH IEC 60068 2 2 Bb heat 72 hour 70 C IEC 60068 2 1 Ab cold 16 hour 30 C IEC 60068 2 14 Nb change of temperature 10x6 hour 30 70 C Chemical environment TEC 60068 2 52 Kb salt mist cyclic 72 hour a CAN is only used with IQANsimulate SAE J1939 or during factory testing of the IQAN TOC8 control Instruction book IQAN TOC8 22 IQAN TOC8 Technical Overview Appendix A Operation 40 C lt Ta lt 70 C unless otherwise specified Limit values Parameter Unit Remark min typ max Ambient temperature no load Ta 40 75 C Voltage supply Vg ar 9 34 Output voltage VREF 4 9 5 0 5 1 Maximum load current VREF A B mA VREF A VREF B Vpat 14V 50 Var 28V 20 Current supply mA outputs off Vpat l4V 90 Var 28V 105 1 0 40 C lt Ta lt 70 C unless otherwise specified Limit values Parameter Unit Remark min typ max VIN Voltage input Signal range low 0 0 05 V Signal range high 4 9 5 0 5 1 V Input resistance 62 KQ Signal resolution 5 mV Total unadjusted error 15 35 mV vref as source FIN Frequency input Trigger level high 4 0 V 1kHz Trigger level low 1 8 V 1kHz Frequency range 2 10000 Hz SV source Pulse width 10 ms Frequency resolution Hz lt 1kHz 0 8 lt 5kHz 20 lt 10k
8. E Connect the SAE J1939 CAN_H and CAN_L pins to the CAN_H position 16 and the CAN_L position 30 on the IQAN TOCS8 IQAN TOC8 7 CAN H pos 16 Customer provided 120 ohm connector 4 CAN L pos 30 Connecting a SAE J1939 interface to the TOC8 CAN hub Reference voltage VREF The IQAN TOGC8 is internally equipped with two voltage regulators to generate the reference voltages VREF A and VREF B These reference voltages will feed different kinds of sensors IQAN TOC8 VREF B pos 13 VREF B pos 11 VREF A pos 4 VREF A pos 2 VREF positions NOTICE Maximum load for the VREF A and VREF B is different according to 12 24 Vdc power supply see Appendix A on page 22 Instruction book IQAN TOC8 11 Voltage inputs 6 Installation Voltage inputs Connecting sensors to the voltage inputs The sensor signal range must be 0 5 Vdc To detect signal errors such as short circuits or interruptions the active signal range should be within 0 5 4 5 Vdc AS o R Error detection range Active signal AAA Error detection range l Active signal range The current consumption related to the voltage input is negligible The positive terminal of the sensor is connected to the VREF position and the corresponding negative terminal to the VREF position The sensor signal is connected to appropriate VIN position EXAMPLE Connect t
9. Hz 80 1729610 Instruction book IQAN TOC8 23 IQAN TOC8 Technical Overview Appendix A 1 0 cont Limit values Parameter Unit Remark min typ max DOUT Digital output Load current 3 A each channel active A B C D E F Load current 4 A The DOUT are one channel in each group divided into three A or B Cor D E or F groups Voltage drop VB AT Vpour Vv load I 0 54 0 2 load I 3A 0 8 Short Circuit current limit 6 A PWMOUT Pulse Width Modulation output Load current 3 A each channel active A B C D E F Load current 4 A The PWMOUT are one channel in each group divided into three A or B C or D E or F groups Voltage drop Vgat Vpour V load I 0 5A 0 2 load I 3A 0 8 Short Circuit current limit 6 A PWM frequency 25 2000 Hz COUT Current out Signal range 50 1800 mA Resolution 0 7 mA Load 4 W Total unadjusted error 5 mA T 25 C Deviation between modules 2 mA Power supply rejection mA R 6 W 25 W Vpat 9 18V 1 Vpat 24 34V 1 Load regulation mA VBar 14V R 4 9 W 1 Vpgar 28V R1 22 34 W 3 Dither frequency 25 150 Hz Dither amplitude 0 500 mA a Incase of switching modules note that the current values differs between di Instruction book IQAN TOC8 ferent modules 24 Error codes messages and actions Appendix B Appendix B Error codes messag
10. OC8 27 Dimensioning of the IQAN TOC8 module Appendix C Appendix C Dimensioning of the IQAN TOC8 module mm Unit 27 mm M6 x2 Instruction book IQAN TOC8 For latest information visit our website www iqan com Information in this instructionbook is subject to change without notice Publ no HY33 8304 IB UK Edition 2011 08 10 Parker Hannifin Parker Hannifin Electronic Controls Division Electronic Controls Division SE 435 35 M lnlycke 1651 N Main Street Sweden Morton IL 61550 Tel 46 31 750 44 00 USA Fax 46 31 750 44 21 Tel 1 309 266 2200 www parker com Fax 1 309 266 6674
11. e g impact from falling objects or the unit being used as a step Locate the unit so that air can circulate to eliminate excess heat Ensure that no external heat e g from the engine or heater is transferred to the control Locate the unit to protect it from high pressure washing or similar Locate the unit so that the cable connector is facing down Locate the unit so that the LEDs are visible Non approved placing NOTICE O The IQAN TOC8 must not be placed in any marine related or similar continuously damp environment without external protection Instruction book IQAN TOC8 Connector C1 6 Installation 6 nstallation Connector C1 Connector kit Housing Casing Plane sealing 42 p Parker no 5031063 Amp no 1 963226 1 Amp no 0 965643 1 Amp no 963225 1 Pin types Amp no 963711 2 MT Cables 0 75 1 0 mm MT Seals Amp no 963530 1 MT Plugs empty pos Amp no 963531 1 MT The connector contains two types of terminals MT Micro Timer and JPT Junior Power Timer Amp no 929938 1 JPT 1 5 2 5 mm JPT Amp no 828905 1 JPT Amp no 828922 JPT IQAN toolkit Parker no 5031061 Pos Signal name Pos Signal name Pos Signal name 1 not used 15 BAT 29 BAT2 2 VREF A 16 CAN H 30 CAN L 3 VIN A DIN A FIN A 17 COUT A 31 COUT A 4 VREF A 18 CRET A 32 CRET A 5 VIN E DIN E 19 COUT B 33 COUT B 6 VIN B DIN B FIN B 20 CRET B 34 CRET B 7
12. emergency stop that stops all movement Please refer to see section Emergency stop on page 9 Before you start Read this document as a minimum sections 1 7 Read the IQANdevelop software user manual section on application safety Instruction book IQAN TOC8 Read This 2 Precautions Start up maintenance and diagnostics For all personnel carrying out installation commissioning maintenance or troubleshooting WARNING Work on the hydraulics control electronics may only be carried out by trained personnel who are well acquainted with the control system the machine and its safety regulations Before you start Read see section Start up on page 20 Additional information for service Mounting and maintenance instruction book Additional information for diagnosing the system Read see section System Diagnostics on page 21 and see Appendix B on page 25 in this document Use the IQANdevelop software user manual as a reference Instruction book IQAN TOC8 IQAN TOC8 3 Product description 3 Product description IQAN TOC8 The IQAN TOGC3 is a stand alone controller designed for controlling hydraulic systems in vehicles and machinery using 12 24 Vdc power supply The IQAN TOC8 controller Input The IQAN TOC8 has ten 10 inputs These can be used as voltage inputs for connection of 0 5 Vdc signals or as digital inputs VIN A thru VIN D can be configured as frequency inputs for measuring f
13. es and actions If one of the following errors is detected a message will be presented via the LED error codes on the control In some cases the control will stop operating or at least shut down the outputs to increase safety WARNING Don t use the machine if an error message or error code is activated LED indicator showing different TOC8 modes Status Invalid application Modem connected Modem ring yel red Normal operation IQANSimulate red Fatal software red Blink yellow light Error code 1 Error Output error Input error VREF error Supply or checksum Temp error Wrong modem SIM code Missing SIM code Primary Blink red Secondary Blink yellow Error category Error description none The following sections will present what measures to take for different error situations Instruction book IQAN TOC8 25 Error codes messages and actions Appendix B ERROR OUTPUT HIGH Situation Error code Action TOC8 Comment COUT Error 1 1 Active output shuts Check wiring and Current return low off loads or high COUT Error 1 1 Active output shuts Check application Both directions off commanded DOUT Error 1 1 Active output shut
14. espectively Then connect the sensor signal to FIN A position 3 I QAN TOC8 AUN e VREF A pos 2 OR e FIN A pos 3 VREF A pos 4 Frequency sensor Connecting of frequency sensor NOTICE The negative terminal of the sensor must not be connected to the chassis Maximum load for each VREF position see Appendix A on page 22 Instruction book IQAN TOC8 15 Current outputs 6 Installation Current outputs The current output signals control proportional valves and devices For the current range see Appendix A on page 22 Dither frequency and amplitude To obtain the best performance from proportional valves the control produces a direct current DC with a dither The dither frequency and the dither amplitudes can be adjusted in IQANdevelop software Depending on what kind of valve is to be used a certain recommended dither frequency amplitude set up can be supplied by Parker Hannifin Corporation in order to obtain an optimized valve hysteresis Both frequency and amplitudes will then be set using IQANdevelop software Connecting loads to current outputs Connecting a load e g one proportional valve to the current output is done by using the COUT CRET pair positions EXAMPLE Positive direction Connect the proportional valve to the COUT A position 17 and the CRET A position 18 respectively Negative direction Connect the proportional valve to the COUT A pos
15. he positive and negative terminals of the position sensor to VREF A position 2 and VREF A position 4 respectively Then connect the sensor signal to VIN A position 3 IQAN TOC8 e VREF A pos 4 VIN A pos 3 VREF A pos 2 Position Sensor Connecting VREF A and sensor signal VIN A NOTICE The negative terminal of the sensor must not be connected to the chassis Maximum load for each VREF position see Appendix A on page 22 Instruction book IQAN TOC8 12 Voltage inputs 6 Installation Connecting a 2 wire temperature sensor to voltage in When you connect a PTC positive temperature coefficient temperature sensor you may need to use a pull up resistor on the input signal Please check the technical data for your specific temperature sensor EXAMPLE Connect the negative terminal of the temperature sensor to VREF A position 4 and the signal to VIN A position 3 The pull up resistor will be connected between VIN A position 3 and VREF A position 2 IQAN TOC8 VREF A pos 2 VIN A pos 3 VREF A pos 4 Sensor Connecting VREF A and temperature sensor signal VIN A The pull up resistor value for a Ry5 2000 PTC sensor is 4 7 KQ Instruction book IQAN TOC8 13 Voltage inputs 6 Installation Connecting switches to the voltage inputs Switches could be connected to the voltage inputs to create a digital on off signal
16. her fuses Connecting the emergency stop and voltage supply NOTICE Do not use the chassis as the negative terminal Supplying a high current draw system If the IQAN TOCS8 is used to control several digital outputs simultaneously it is recommended to source power thru the BAT2 and BAT2 positions in addition to the BAT and BAT Change the fuse to 30A fast Emergency Stop IQAN TOC8 Or 30 A BAT2 pos 42 BAT pos 28 BAT2 pos 29 BAT pos 15 Ty Symbol for disconnecting switch for battery ignition lock and other fuses Connecting the emergency stop and voltage supply Instruction book IQAN TOC8 Communication 6 Installation Communication RS232 and modem connection The IQAN TOC8 has an RS232 interface for communicating with the programming software IQANdevelop A flying lead panel mount adapter cable 5030089 may be connected to the TOC8 to provide an HR12 connector interface This will match to the PC communication cable provided in the IQANdevelop software package Instead of using recommended Parker adapter cable 5030089 a DB9 F serial connector may be wired to connect directly to a PC The basic wiring for use of a DB9 F serial connector is shown below IQAN TOC8 READY_OUT pos 39 BSL_IN pos 40 GND DATA pos 38 DATA_IN pos 26 DATA_OUT pos 25
17. ition 31 and the CRET A position 32 respectively IQAN TOC8 COUT A COUT A X DX CRET A CRET A Direction Valve Connecting a load to the current output Instruction book IQAN TOC8 16 Digital outputs 6 Installation Digital outputs The digital outputs control relays and on off valves For the maximum load per output see Appendix A on page 22 Soft start Soft start is used whenever start up is required to be smoother than the normal procedure offers A desired ramp function provides the smoother start up according to the figure below The ramp function is set up in IQANdevelop software Output signal V Soft start t The Soft start function Peak and Hold The Peak and Hold feature makes it possible to decrease the voltage to the valve solenoid Shortly after a valve has been activated the voltage can be decreased to a lower level sufficient to maintain the position of the valve but also reducing the heat generated in the valve due to this lower voltage The reducing of heat is the primary reason for selecting the Peak and Hold feature Both the peak time and the hold value are set up in IQANdevelop software Output signal A Hold value Peak aa The Peak and Hold value voltage graph Instruction book IQAN TOC8 17 Digital outputs 6 Installation Connecting loads to digital ou
18. ncrnrrcrorcnnrroos 21 Appendix A a a 22 IQAN TOC8 Technical Overview 0 0 cc cece cece cence teen eens 22 Appendix B ini A SAA 25 Error codes messages and actions cece eee eect eee e eee 25 Appendix aii 28 Dimensioning of the IQAN TOC8 module e cece eee eee eee 28 Instruction book IQAN XP2 Warnings 1 Introduction 1 Introduction These instructions are to be used as a reference tool for the vehicle manufacturer s design production and service personnel The user of these instructions should have basic knowledge in the handling of electronic equipment Warnings Sections marked with a symbol in the left margin must be read and understood by everyone using the system carrying out service work or making changes to hardware and software The different symbols used in this manual are defined below WARNING Sections labeled WARNING with a caution symbol in the left margin indicate that a hazardous situation exists We use warnings marked with the warning symbol in two ways e As a strong recommendation about work practices when using the product in the machine e g routines when updating an application This use is common to the term hazardous situation that a person is exposed to a hazard e As away of pointing out important information for the machine designer that in some way relates to safety This includes the design of the physical machine and also the application pr
19. ogram being developed for the control system Not all document sections that contain information about safety are marked with a warning symbol there would be warnings everywhere Failure to comply with the recommendations can cause unintentional and unexpected behavior of the control system This can potentially cause death serious injury or property damage NOTICE Sections labeled NOTICE with a notice symbol in the left margin indicate there is important information about the product Ignoring this could result in less than optimal performance or damage to the product Contact the manufacturer if there is anything you are not sure about or if you have any questions regarding the product and its handling or maintenance The term manufacturer refers to Parker Hannifin Corporation Instruction book IQAN TOC8 Overview of relevant documentation 1 Introduction Overview of relevant documentation The following publications are relevant for users of this product The main documentation contains information that is not found elsewhere The additional documentation contains product information in a compact format for details on the information found in those documents consult this manual Main IQANdevelop IQAN TOC8 Instruction Book User Manual HY33 8304 1B this book Documentation Compact IQAN TOC8 IQAN TOC8 IQAN TOC8 Documentation Catalogue Datasheet Installation Sheet Electrical Schematic HY33 8304 HY33 83
20. output against high voltage transients For example use diode 1N5408 3A 1000V Depending on load other clamping diodes might be used instead EXAMPLE Positive direction Connect the load between the PWMOUT A position 22 and the chassis as ground Negative direction Connect the load between the PWMOUT B position 21 and the chassis as ground A clamping diode will be placed as close to the pilot valve as possible IQAN TOC8 PWMOUT A pos 21 PWMOUT B pos 22 di CX X d2 Directional valve Connecting a load to the PWM output Instruction book IQAN TOC8 19 Start up procedures 7 Start up 7 Start up Start up procedures This chapter contains instructions for action to be taken in connection with the initial start WARNING Risk of injury If the control system is not fitted properly the machine could move uncontrollably The machine s engine shall not be started before the control system is completely fitted and its signals are verified Starting the control system Start the control system as follows e Prior to start all modules and cables are to be fitted correctly e Check fuses i e make sure that the supply voltage to the modules is equipped with the correct fuse e Make sure that connections for supply voltage and return lines are correct in the cable s conductor joint e Make sure an emergency stop is installed The emergency s
21. requency Voltage inputs and frequency inputs share positions see below 10 Voltage inputs VINA VINB VINC VINJ or 10 Digital inputs DINA DINB DINC DINJ or 4 Frequency inputs FINA FINB FINC FIND amp 6 Voltage inputs VINE VINJ Output The IQAN TOCS8 has 2 double current outputs for controlling proportional valves or devices The unit has 6 digital outputs for on off valves or 3 double PWM outputs Pulse Width Modulation for controlling standard proportional and Pulsar type valves Digital and PWM outputs share positions see below 2 double Current outputs 6 Digital outputs or 3 double PWM outputs In order to increase the performance of the current outputs when controlling proportional valves both the dither frequency and the dither amplitude can be adjusted The digital output channels also have PWM soft start and peak amp hold features available CAN related functions IQANsimulate software uses the CAN bus CAN Control Area Network to communicate with the controller when proving applications off of the machine requires NI CAN card The CAN bus may be used by the TOC8 for SAE J1939 communication with engine electronics and for system control Instruction book IQAN TOC8 Internal diagnostics 4 Safety 4 Safety Internal diagnostics The module performs a number of self checks that improve safety Checks include monitoring of voltage supplies checksums on memor
22. s Check load Overload off PWMOUT Error 1 1 Active output shuts Check application Both directions off commanded COUT DOUT Error 6 Active output shuts Contact supplier Internal driver off failure ERROR INPUT Situation Error code Action TOC8 Comment VIN Error 1 2 Active input goes to Check wiring and gt specified max or error value sensors lt specified min ERROR VREF Situation Error code Action TOC8 Comment VREF_ lt 4 9 V Error 1 3 Check voltage VREF_ gt 5 1 V Error 1 3 Check voltage Instruction book IQAN TOC8 26 Error codes messages and actions Appendix B LOW HIGH SUPPLY VOLTAGE Situation Error code Action TOC8 Comment BAT lt 8 5 V Error 1 4 Check voltage supply BAT gt 34 V Error 1 4 Check voltage supply ERROR PARAMETER Situation Error code Action TOC8 Comment Parameter error Error 1 4 Contact supplier checksum HIGH TEMPERATURE Situation Error code Action TOC8 Comment Internal temperature Error 2 Check ambient gt max temp temperature Internal temperature Error 6 Contact supplier sensor error ERROR COMMUNICATION Situation Error code Action TOC8 Comment Modem error Error 3 1 Enter proper code in wrong SIM code IQANdevelop Modem error Error 3 2 Enter proper code in missing SIM code IQANdevelop ERROR SOFTWARE Situation Error code Action TOC8 Comment Software error Error 6 The unit stops Contact supplier operating Instruction book IQAN T
23. top should disconnect the supply voltage to all modules Alterna tively the emergency stop may also shut off the diesel engine or a dump valve and with that depressurize the hydraulic system Prepare for system start WARNING Make sure no one is in dangerous proximity to the vehicle to avoid injuries when it starts Prepare for the initial system start as follows e The engine for the hydraulic system s pump shall be in off position e Make sure that all connectors are properly connected Turn on the control system e Make sure that voltage is being supplied to all modules the power status diode shall be illuminated on all modules Also make sure that the master is in contact with all modules by reading the master s display e Make sure the emergency stop is functioning properly Start the system Start the system as follows e Start the engine for the hydraulic system s pump assuming that the above men tioned inspections have been carried out and shown correct values Calibrate and adjust input and output signals according to the instructions related to the master menu system and check each and every output function carefully Instruction book IQAN TOC8 20 Start up procedures 8 System Diagnostics 8 System Diagnostics The yellow blinking LED on the top of the unit indicates normal status The TOC8 control indicates error status through the red blinking LED and a yellow secondary blinking pattern This
24. tputs Connecting of loads to the digital outputs such as on off valves is done by using the DOUT positions and chassis as ground Protection against voltage transients A clamping diode must be placed between the digital output and ground as close to the load as possible to protect the output against high voltage transients For example use diode 1N5408 3A 1000V Depending on load other clamping diodes might be used instead EXAMPLE Connect the on off valve to the digital output using the DOUT A position 21 and the chassis as ground A clamping diode must be placed as close to the load as possible see figure below IQAN TOC8 DOUT A pos 21 Connecting a load to the digital output If the load is controlled in parallel with another system the digital output shall be protected with a diode IQAN TOC8 BAT d2 DOUT A pos 21 o Digital output protected with a diode Instruction book IQAN TOC8 18 PWM outputs 6 Installation PWM outputs The PWM outputs Pulse Width Modulation control pilot valves Maximum load should not exceed 3 0 A per output Connecting loads to PWM outputs The load is connected between the PWMOUT and the chassis ground Maximum load per output see Appendix A on page 22 Protection against voltage transients A clamping diode must be placed between the output and ground as close to the load as possible to protect the
25. y and a watchdog that monitors software execution The module is using a real time operating system which supervises software execution If a critical error is detected the module is stopped with CAN bus and outputs off CAN bus interruption The IQAN TOC8 module monitors the CAN bus when used for SAE J1939 for interruptions in communication An error will be presented with a related blink code on the IQAN TOC8 status LEDs Current check For the proportional outputs when used in current mode a current check is performed If an error is detected this will be indicated on the module and the output will shut off The module can detect open circuit short circuit to BAT BAT or short circuit to other proportional output and return pins Emergency stop WARNING Risk of injury The emergency stop must disconnect the power supply to the module do not connect the emergency stop as a signal input only The emergency stop must be installed so that the risk of reverse feed of the module is avoided see section Emergency stop on page 9 Instruction book IQAN TOC8 Mounting the unit 5 Mounting 5 Mounting Mounting the unit The IQAN TOC8 should be mounted according to the following instructions Locate the unit eliminating the risk for the cabling to be folded crushed or damaged in any way Ensure the cabling cannot pull twist or induce sideload on the connector Locate the unit so that severe physical impact is avoided
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