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Manual 37135C 

IKD 1 - Digital I/O Expansion Board 

 

 

 

 

© Woodward 

Page 11/41 

Possible CAN Bus Problems 

If no data is transmitted on the CAN bus, check the following for common CAN bus communication problems: 

 

•

 

T structure bus is utilized 

•

 

CAN-L and CAN-H are interchanged 

•

 

Not all devices on the bus are using identical Baud rates 

•

 

Terminating resistor are missing 

•

 

Baud rate to high for wiring length 

•

 

The CAN bus cable is co-routed with power cables 

 

Woodward recommends the use of twisted-pair cables for the CAN bus (i.e.: Lappkabel Unitronic LIYCY (TP) 

2×2×0.25, UNITRONIC-Bus LD 2×2×0.22). 

Maximum CAN bus Length 

The maximum length of the communication bus wiring is dependent on the configured Baud rate. Refer to the fol-

lowing table for the maximum bus length (Source: CANopen; Holger Zeltwanger (Hrsg.); 2001 VDE VERLAG 

GMBH, Berlin und Offenbach; ISBN 3-8007-2448-0). 

 

Baud rate 

Max. length 

1000 kbit/s  25 m 

800 kbit/s 

50 m 

500 kbit/s 

100 m 

125 kbit/s 

250 m 

50 kbit/s 

1000 m 

20 kbit/s 

2500 m 

 

The maximum specified length for the communication bus wiring might not be achieved if poor quality wire is 

utilized, there is high contact resistance, or other conditions exist. Reducing the baud rate may overcome these is-

sues. 

Shielding 

Interface

CAN bus

CAN-L
CAN-H
GND

Shield

1 M

Ohm

0.01 

µ

F

400 Vac

 

Figure 3-7: Interface - shielding of CAN bus 

 

Содержание IKD 1

Страница 1: ...37135C Manual Softwareversion 1 00xx Manual 37135C IKD 1 Digital I O Expansion Board...

Страница 2: ...rned off before disconnecting the battery from the system Electronic controls contain static sensitive parts Observe the following precautions to prevent dam age to these parts Discharge body static b...

Страница 3: ...Negative Logic 8 Relay Outputs 9 Interface 10 CAN Bus 10 DPC Direct Configuration Cable 12 CHAPTER 4 FUNCTIONAL DESCRIPTION 13 Introduction 13 Main Functions 14 Coupling to a Higher Level Control Unit...

Страница 4: ...7 Replacement Parts 37 How To Contact Woodward 38 Engineering Services 39 Technical Assistance 40 Illustrations Figure 3 1 Power supply 7 Figure 3 2 Discrete inputs positive logic 8 Figure 3 3 Discret...

Страница 5: ...standard unit for vibration absorber mounting Intended Use The item must only be operated for the uses described in this manual The prerequisite for a proper and safe operation of the product is corre...

Страница 6: ...m cups cup holders cigarette pack ages cellophane wrappers vinyl books or folders plastic bottles and plastic ash trays away from the con trol the modules and the work area as much as possible 4 Do no...

Страница 7: ...r This must also bear a sign identifying it as an isolating switch for the unit NOTE Inductivities connected such as coils of operating current or undervoltage tripping devices or aux iliary or power...

Страница 8: ...ut A B Figure 3 2 Discrete inputs positive logic Terminal Associated common Description according to DIN 40 719 part 3 5 8 3 Amax A B 5 4 Discrete input 1 2 5 mm 6 Discrete input 2 2 5 mm 7 Discrete i...

Страница 9: ...e external device A B C 24Vdc Figure 3 4 Relay outputs Description Amax Change over Swtchd Root Opened A NO B C NC 19 20 21 Relay 1 2 5 mm 22 23 24 Relay 2 2 5 mm 25 26 27 Relay 3 2 5 mm 28 29 30 Rela...

Страница 10: ...nation resistance Bus Structure Terminal resistance Note The terminationmust be effected witharesistor which corresponds tothe wave impedanceof the used cable e g 120 CAN bus CAN H CAN L GND Terminati...

Страница 11: ...IC Bus LD 2 2 0 22 Maximum CAN bus Length The maximum length of the communication bus wiring is dependent on the configured Baud rate Refer to the fol lowing table for the maximum bus length Source CA...

Страница 12: ...3 1 1 or higher included on CD Rom with control unit and the proper configuration files are required NOTE The connection cable delivered with the DPC must be used between DPC and IKD 1 to ensure prope...

Страница 13: ...n be alternatively controlled from a higher level control unit e g GCP easYgen or a PLC Therefore different parameters are available that have to be adjusted in dependence of the application The IKD 1...

Страница 14: ...ls to the relays that are received from the higher level control unit For this feature it is possible to configure the relays of the IKD 1 using the relay manager of the higer level control unit pleas...

Страница 15: ...d using the direct configuration interface e g baud rate and IDs NOTE When setting the ID please make sure that no conflicts occur with other bus participants NOTE If you configure a Node ID 0 no othe...

Страница 16: ...is triggered Bit 4 1 input 5 is triggered Bit 5 1 input 6 is triggered Bit 6 1 input 7 is triggered Bit 7 1 input 8 is triggered Detail to Byte 2 Bit 0 1 relay 1 activated Bit 1 1 relay 2 activated Bi...

Страница 17: ...et relay 6 Bit 6 1 set relay 7 Bit 7 1 set relay 8 Detail to Byte 2 Bit 0 1 Acknowledgment applies only at a change from 0 to 1 and only if the message has been enabled for minimum two cycles Bit 1 1...

Страница 18: ...type of action NO NC base status during CAN bus failure is the relay 1 used as a readiness for operation relay using this setting no other function can be assigned to the relay and is a CAN bus failur...

Страница 19: ...D is shining Interfaces The IKD 1 is equipped with two interfaces working with the following baud rates Direct configuration 1 200 Baud 8 Bit no parity 1 Stop bit and CAN bus CiA 125 250 or 500 kBaud...

Страница 20: ...AN bus configuration The baud rate corresponds to the baud rate for transmitting and receiving messages It can be configured using the direct configuration 125 250 500 kBaud according CiA CAUTION Do n...

Страница 21: ...d upload automatic using node automatic using node automatic using node automatic using node Physical state only No No Yes Yes NOTE An operation in connection with the MDEC engine control from MTU is...

Страница 22: ...32 Node ID Default setting 1505 CAN baudrate read only via CAN Baudrate 125 250 500 kBaud With this baud rate the CAN communication will be driven Note If the IKD 1 is working with a GCP please enter...

Страница 23: ...pted one second after receiving of the message too If you configure via the CAN bus D 1 0 no start stop 1 start stop with auto start 2 start stop without auto start CAN error delay s Triggering time f...

Страница 24: ...applied NO NO input The discrete input triggers if voltage is applied YES NC input The discrete input triggers if no voltage is applied Tripping delay s x 1 to 8 Triggering delay 0 00 to 99 98 s The...

Страница 25: ...ed with an alarm class control 0 1 2 3 If one input with alarm class 1 has been triggered the alarm LED LED C lights up Note Control input should be configured to self acknowledgment Applying a contro...

Страница 26: ...et if the input signal is reset for at least the con figured reset delay of each input If a triggering delay is configured for the acknowl edgment input this time has to be over until a acknowledgment...

Страница 27: ...r operation YES NO Relay 1 can be configured as a Readiness for operation relay YES The relay is pulled as long as the IKD 1 works perfectly If the system fails this relay would drop the following par...

Страница 28: ...le a CAN fault is present This setting is taken into account only if this is additionally enabled below The relay remains in this status until the CAN fault has been acknowledged ac knowledgment can a...

Страница 29: ...e back of the system D A N G E R T O L I V E CAUTION Only a qualified technician may commission unit The EMERGENCY OFF function must be safely working prior to the commissioning and must not depend on...

Страница 30: ...al input 3 Digital input 4 Digital input 5 Digital input 6 Digital input 7 Digital input 8 The socket for the PC configuration is situated on the top of the unit This is where the DPC has to be plugge...

Страница 31: ...13 14 15 16 17 24mm 168 mm Subject to technical modifications Note An installation in the engine switch box is not recommended if the unit is fastened via snap on rail installation For this a vibratio...

Страница 32: ...0 36 Adc 125 Vdc 0 18 Adc 250 Vdc Pilot duty PD VCont relay output AC B300 DC 1 00 Adc 24 Vdc 0 22 Adc 125 Vdc 0 10 Adc 250 Vdc Interface Service interface Version RS 232 Signal level 5 V Level conve...

Страница 33: ...8 s 0 1 s Start up procedure S S Off S S Aut S S Aut S S Off S S Off S S Aut S S Aut S S Off S S Aut S S Aut CAN BUS ERROR CAN error delay s 0 00 to 9 98 s 2 5 s CAN error self acknowledg YES NO YES Y...

Страница 34: ...wledgment YES NO NO Y N Y N No 8 Function NC YES NO NO Y N Y N Tripping delay s 0 00 to 99 98 s 0 20 s Enable delay s 0 00 to 99 98 s 0 20 s Remote enabling YES NO NO Y N Y N Alarm class Control 0 1 2...

Страница 35: ...Manual 37135C IKD 1 Digital I O Expansion Board Woodward Page 35 41...

Страница 36: ...r problem can be resolved over the phone If not you can select which course of action you wish to pursue based on the available services listed in this section Returning Equipment For Repair If a cont...

Страница 37: ...rtment in Stuttgart 49 0 711 789 54 0 They will help expedite the processing of your order through our distributors or local service facility To expedite the repair process contact Woodward in advance...

Страница 38: ...e following international Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get information and service Facility Phone number U...

Страница 39: ...oll free or local phone numbers e mail us or use our website and reference technical support Product Training is available on site from several of our worldwide facilities at your location or from GE...

Страница 40: ...IKD 1 _____________________________________ Serial number S N _______________________________________ Description of your problem _______________________________________________________________ ______...

Страница 41: ...asse 29 70565 Stuttgart Germany Phone 49 0 711 789 54 0 Fax 49 0 711 789 54 100 stgt info woodward com Homepage http www woodward com Woodward has company owned plants subsidiaries and branches as wel...

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