DTCOSIM service manual
Contents
1. Tachograph simulator DTCOSIM SERVICE MANUAL Ver 1 0 05 2013 KT Tachograph simulator DTCOSIM The simulator is a device that is used as replacement for tachograph in vehicle where tachograph is not mandatory but the existing installation requires signals generated by the tachograph The simulator generates following signals Vimp 4 imp m zero speed signal via CAN vehicle speed distance travelled date and time or Via k line distance travelled date and time Mounting in vehicle The device should be mounted in vehicle using handles on enclosure The simulator has the same connections as tachograph the A white B yellow and D brown sockets Technical data All signals are compatible with ISO 16844 1 norm Power supply 12V or 24V Current consumption 40mA K constant setting range 4000 64000 imp km Output power supply for speed sensor 8V DC Working temperature range 40 C 85 C Dimensions 113 x 65 x 23 mm Dimensions 23 Connector Power from battery 30 Ignition 15 CANH Ground from battery 31a CAN GND CAN L Programming Wiring diagram 02 45A 04 The simulator device is programmed using TC 1 Tachotester produced by CB Electronics Connect the simulator to Tachotester using 02 45A or 02 45A 04 cable The simulator powered from external power supply for example using 02 09 cable P2. Setting this digit to 1 will turn on the k line In the same time the second digit after dot should be set to 0 to turn off the CAN interface Additionally the 12 th digit should be set the same as 3 rd digit Example product code for k line interfaced simulator is 1324 601000000001 Programming date and time The simulator is eguipped in very precise real time clock error less than 2 minutes per year with automatic daylight saving time switch The clock must be initialized by setting correct date UCT GMT time and offset The simulator is factory set to correct date and time with 1h offset Speedometer connection the value depends on CAN bus line resistance
3. rogramming simulator Choose the SiemensVDO 1324 in Tachotester main menu and press START The Tachotester will read simulator settings Some of these parameter must be changed to allow proper work of simulator Following parameters of DTCOSIM simulator can be changed e Odo odometer e w characteristic constant of vehicle e PTO number of impulses per one shaft revolution e ES product code e VIN vehicle identification number e System time Programming product code The product code should be read from the tachograph that will be replaced by tachograph simulator and entered into simulator settings The simulator device need valid product code to function properly Second digit after dot determines type of CAN bus Allowed digits are 0 2 3 and 4 for ex 1324 x2xxxxXXXXXx If second digit after dot is 1 that means the tachograph has built in terminating resistor 1200hm between A4 and A8 pin The CAN bus requires such resistor in one of devices connected to bus to work properly If the tachograph with terminating resistor is replaced by the simulator which doesn t have terminating resistor the resistor must be added This can be done by soldering 120 ohm 0 25W resistor to lines A4 and A8 for example inside the white connector After adding the terminating resistor the second digit after dot in code can be changed to 2 1324 x2xxXXXXXXXX Third digit after dot determines the interface is k line
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