Serial Bus Simulator (SBS) - User Manual - PEAK
Contents
1. 4 a eo 3 6 Oo Figure 2 Pin assignment of the pickoffs on the control panel description in the following table Function Power supply 5 V Ground Analog voltage 0 3 3 V from potentiometer SPI Slave Select SPI Master Out Slave In SPI Master In Slave Out SPI Serial Clock PC Serial Data C Serial Clock V 24 RS 232 Receive Data V 24 RS 232 Transmit Data GPIO 0 GPIO 1 CAN Low signal CAN High signal Ground LIN signal Remark Via 100 Q not intended to drive electrical loads Via 100 Q not intended to drive electrical loads Reserved for future applications Reserved for future applications Reserved for future applications Reserved for future applications System Serial Bus Simulator User Manual 3 Control Elements and LEDs This chapter describes the function of the control elements and LEDs on the Serial Bus Simulator SBS On Off Traffic Traffic LED OFF Operating Mode KM Analog Destroy Destroy LED CAN LIN V 24 SPI low high 125 kbit s 1 Mbit s 9 6 kbit s 19 2 kbit s 9 6 kbit s 19 2 kbit s 100 kHz 400 kHz 1 MHz 4 MHz high low Baudrate Figure 3 Layout of the control elements and LEDs Serial Bus Simulator User Manual n System 3 1 Operating Mode Rotary Switch The rotary switch activates one out of five sources for serial data CAN Controller Area Network LIN Local Interconnect Network V 24 standa2. By pressing this push button an additional frame with a protocol violation is generated This frame should be recognized as erroneous at measurements except for SPI The red LED flashes when an erroneous frame is transmitted pressed push button 11 Serial Bus Simulator User Manual System 4 Transmission Behavior of the Data Sources This chapter describes which data is transmitted by the data sources depending on the settings on the control panel You ll find the information for CAN LIN V 24 PC and SPI on the following pages 12 Serial Bus Simulator User Manual n System 4 1 CAN CAN data frames are generated when the rotary switch Operating Mode is turned to the position CAN The ACK bit Acknowledge is generated by the SBS itself thus a listen only operation is possible The selector switch Baudrate changes the transfer rate to the value given on the control panel 125 kbit s or 1 Mbit s When pressing the Destroy push button the data source generates a correct CAN frame superimposed by a long dominant gap to force an error The position of the dominant gap within the CAN frame can be adjusted with the Analog potentiometer The gap length depends on the selected transfer rate So different types of errors are generated e g CRC or Stuff errors The transmitted CAN frame without error would be CAN ID Length Data hex 0x00000666 29 bit 8 01 23 45 67 89 AB CD EF If the Traffic selecto
3. Serial Bus Simulator User Manual n System 4 3 V 24 V 24 RS 232 data frames are generated when the rotary switch Operating Mode is turned to the position V 24 The data format is 8 data bits no parity bit 1 stop bit 8N1 The selector switch Baudrate changes the transfer rate to the value given on the control panel 9600 bit s or 19200 bit s When pressing the Destroy push button the data source generates a 5 byte long frame with illegal stop bit in the third frame c The position of the Analog potentiometer doesn t have any influence on the generation of the errors The transmitted V 24 frame without error would be Length Data Data hex 5 a bh c d CR 61 62 63 64 0D If the Traffic selector switch is in position On three additional V 24 frames are transmitted cyclically in turn every 50 ms Length Data Data hex 5 Vy 2 4 Analog CR 56 32 34 00 FF OD 7 L e C r o y CR AC 65 43 72 6F 790D 5 P E A K CR 50 45 41 4B OD The value Analog is determined by the position of the Analog potentiometer 15 Serial Bus Simulator User Manual n System 4 4 TIC IC data frames are generated when the rotary switch Operating Mode is turned to the position I2C The selector switch Baudrate changes the transfer rate to the value given on the control panel 100 kHz or 400 kHz When pressing the Destroy push but
4. types The data streams can be used e g for demonstrations and validations of measuring systems 1 1 Properties at a Glance Generates data streams for the following serial bus systems e CAN e LIN e V 24 RS 232 e C e SPI 2 different transfer rates for each bus system Disengageable transmission of data frames Specific generation of defect data frames Pin assignment of D Sub CAN connector according to CiA 102 DS Generation of an analog voltage for testing e g trigger Pickoffs for oscilloscope probes Desk type casing Power supply via USB connection Serial Bus Simulator User Manual n System 1 2 Prerequisites for the Operation The following prerequisites must be given so that the SBS can be used properly Vacant USB port on an external device e g measuring instrument computer power supply unit for the power supply of the SBS about 125 mA current consumption 1 3 Scope of Supply The scope of supply normally consists of the following parts Serial Bus Simulator desk type casing with USB connection cable CD with user manual in PDF format Serial Bus Simulator User Manual m System 2 Connectors This chapter describes the pin assignment of each connector on the rear and on the control panel of the Serial Bus Simulator SBS 2 1 USB Cable for Power Supply The USB cable is used for the simplified connection of the power supply 5 V The USB data lines are unused Plug the USB conne
5. Serial Bus Simulator Data Stream Generator for Serial Bus Protocols User Manual Serial Bus Simulator User Manual Products taken into account Product Name Model Serial Bus Simulator 1 1 Item Number IPEH 003050 Product names mentioned in this manual may be the trademarks or registered trademarks of their respective companies They are not explicitly marked by and 1O 2009 PEAK System Technik GmbH PEAK System Technik GmbH Otto Roehm Strasse 69 64293 Darmstadt Germany Phone 49 0 6151 8173 20 Fax 49 0 6151 8173 29 www peak system com info peak system com Issued 2009 02 27 System Serial Bus Simulator User Manual Contents 1 Introduction 1 1 Properties at a Glance 1 2 Prerequisites for the Operation 1 3 Scope of Supply 2 Connectors 2 1 USB Cable for Power Supply 2 2 GND Socket 2 3 CAN LIN D Sub Connector 2 4 Pickoffs for Measuring Control Elements and LEDs Operating Mode Rotary Switch Analog Potentiometer Baudrate Selector Switch Traffic Selector Switch LED Destroy Push Button LED W JS US WJ ww AUNE Transmission Behavior of the Data Sources CAN LIN V 24 I C SPI AR ARR DR BS uUBRWN PE 5 Technical Specifications System une A CON DD O 10 10 11 11 11 12 13 14 15 16 17 18 Serial Bus Simulator User Manual n System 1 Introduction The Serial Bus Simulator SBS generates data streams for several serial bus
6. ctor into any USB port of an external device e g measuring instrument computer power supply unit The green LED at the rear of the casing is on when the 5 Volt supply is present The current consumption of the SBS is about 125 mA 2 2 GND Socket In order to establish a ground connection between the SBS and a measuring set up a 4 mm socket is available at the rear of the casing A cable with banana plug can be used here not included Serial Bus Simulator User Manual n System 2 3 CAN LIN D Sub Connector The 9 pin D Sub male connector on the rear of the casing includes the differential CAN signal ISO 11898 2 and the LIN signal as well as a ground line These signals are also available at the pickoffs on the control panel of the SBS 1202 E Sm 6 n c n c 2 7 CAN_L CAN_H 3 8 GND n c 4 9 LIN n c 5 n c n c not connected Figure 1 Pin assignment of the D Sub male connector for CAN and LIN The CAN bus is terminated internally between the two signal lines CAN_L and CAN_H with 120 Q The SBS is configured as LIN master and the LIN bus is terminated with 1 kQ accordingly Serial Bus Simulator User Manual 2 4 Pickoffs for Measuring At the front of the control panel 17 pickoffs are available for measuring purposes Label 5V GND Analog SSEL MOSI MISO SCK SDA SCL RxD TxD 10 0 10 1 CAN_L CAN_H GND LIN gt O 6 eee 6 g 2 8 OSCL 23 z O O O 0 O00 90 a F
7. nnot be destroyed and is therefore always decoded as correct It can be used for trigger purposes The transmitted SPI frame always correct is Data Data hex 0x00 0x05 0x0A 0x0F 00 05 OA OF If the Traffic selector switch is in position On three additional SPI frames are transmitted cyclically in turn every 50 ms Data Data hex S P I Analog 53 50 49 00 FF uyu mgr G pr gr y 4C 65 43 72 6F 79 P E A K 50 45 41 4B The value Analog is determined by the position of the Analog potentiometer 17 Serial Bus Simulator user Manual a System 5 Technical Specifications Serial busses Simulated bus types Supply Supply voltage Current consumption Measures Size Weight Environment Operating temperature Temperature for storage and transport Relative humidity CAN LIN V 24 RS 232 I C SPI 5 V DC 5 via USB port about 125 mA 120 x 45 x 155 mm 4 3 4 x 1 3 4 x 6 1 8 inches WxHxD 340 g 12 oz 0 70 C 32 158 F 25 85 C 13 185 F 15 90 not condensing 18
8. r switch is in position On three additional CAN frames are transmitted cyclically in turn every 50 ms CAN ID Length Data Data hex 0x00000200 29 bit 4 C A N Analog 43 41 4E 00 FF 0x300 11 bit 6 L e C r o y 4C 65 43 72 6F 79 0x00000400 29 bit 4 PTE SATS KT 50 45 41 4B The value Analog is determined by the position of the Analog potentiometer 13 Serial Bus Simulator User Manual n System 4 2 LIN LIN data frames are generated when the rotary switch Operating Mode is turned to the position LIN The selector switch Baudrate changes the transfer rate to the value given on the control panel 9600 bit s or 19200 bit s When pressing the Destroy push button the data source generates a LIN frame with illegal header parity The error is generated with the following composition header parity XOR 0x40 The transmitted LIN frame without error would be LIN ID Length Data hex OxOF 15 dec 4 00 55 AA FF If the Traffic selector switch is in position On three additional LIN frames are transmitted cyclically in turn every 50 ms LIN ID Length Data Data hex 0x1E 30 dec 4 L I N Analog 4C 49 4E 00 FF 0x2D 45 dec 6 L e C pr o y 4C 65 43 72 6F 79 0x3C 60 dec 4 pP E A K 50 45 41 4B The value Analog is determined by the position of the Analog potentiometer 14
9. rd for data remote transfer related to RS 232 PC Inter Integrated Circuit SPI Serial Peripheral Interface In position OFF no serial data is generated However the SBS is still alive Analog functions like the 3 3 Volts at the potentiometer and the 5 Volt output are active The output of each data source is described in chapter 4 on page 12 3 2 Analog Potentiometer The potentiometer has several functions When generating data errors Destroy push button the position of the error within the data frame can be adjusted The variable data byte within the data frames can be varied from 0x00 to OxFF A voltage from 0 to 3 3 Volts is provided at the pickoff Analog for measuring purposes 0 Note The voltage at the pickoff Analog is not intended to drive electrical loads 10 Serial Bus Simulator User Manual n System 3 3 Baudrate Selector Switch The selector switch determines the transfer rate for each data source The transfer rates are defined as follows Transfer rate Data source low high CAN 125 kbit s 1 Mbit s LIN 9600 Baud 19200 Baud V 24 9600 Baud 19200 Baud PC 100 kHz 400 kHz SPI 1 MHz 4 MHz 3 4 Traffic Selector Switch LED When switched to On additional data load is activated for the selected data source Usually three frames are transmitted cyclically in turn every 50 ms The green LED flashes in the rhythm of the additional frames being transmitted 3 5 Destroy Push Button LED
10. ton the data source generates an 8 byte long frame with missing ACK bits at the characters o and c The position of the Analog potentiometer doesn t have any influence on the generation of the errors The transmitted I C frame without error would be Data Data hex 0xA0 0x00 0x00 n o a o k AO 00 00 6E 6F 61 63 6B The first three bytes represent the command EEPROM write to address 0x0000 If the Traffic selector switch is in position On three additional 1 C frames are transmitted cyclically in turn every 50 ms Data Data hex 0xA0 0x01 0x00 I 2 C Analog AO 01 00 49 32 43 00 FF OxA0 0x01 0x80 L e C r o y A0 01 80 4C 65 43 72 6F 79 0xA0 0x02 0x00 P E A K AO 02 00 50 45 41 4B The value Analog is determined by the position of the Analog potentiometer 16 Serial Bus Simulator User Manual n System 4 5 SPI SPI data frames are generated when the rotary switch Operating Mode is turned to the position SPI Data is transmitted via the pin MasterOut Slaveln MOSI The pin Masterln SlaveOut MISO is not used by this application The selector switch Baudrate changes the transfer rate to the value given on the control panel 1 MHz or 4 MHz When pressing the Destroy push button the data source generates a 4 byte long frame Since the SPI bus doesn t have a stringent protocol a frame ca
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