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opto engineering LTDVE8CH Instruction Manual

Strobe controller 8 ch
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LTDVE8CH - STROBE CONTROLLER 8 CH
INSTRUCTION MANUAL
OPTOENGINEERING
www.opto-engineering.com

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Summary of Contents for opto engineering LTDVE8CH

  • Page 1 LTDVE8CH - STROBE CONTROLLER 8 CH INSTRUCTION MANUAL OPTOENGINEERING www.opto-engineering.com...

  • Page 2: Table Of Contents

    LTDVE8CH– INSTRUCTIONS MANUAL General index 1. Disclaimer ............................5 2. Safety notes ............................5 3. Product end-of-life handling ......................5 4. General description .......................... 5 4.1. Benefits of current control ......................6 4.2. Operating mode ......................... 6 5. Getting started ..........................
  • Page 3 LTDVE8CH– INSTRUCTIONS MANUAL 12.7. Free running oscillator ......................24 13. Wiring diagrams ........................... 25 13.1. Wiring example #1: controller triggers camera ..............25 13.2. Wiring example #2: camera triggers controller ..............25 14. Operation ............................26 14.1. Operation with Modbus ......................
  • Page 4 LTDVE8CH– INSTRUCTIONS MANUAL 14.2.26. Register ETH_DHCP_ENABLE ................. 52 14.2.27. Register ETH_IP_ADDR_HI ..................52 14.2.28. Register ETH_IP_ADDR_LO ..................53 14.2.29. Register ETH_SUBNET_MASK_HI ................53 14.2.30. Register ETH_SUBNET_MASK_LO ................. 53 14.2.31. Register ETH_DEF_GATEWAY_HI ................53 14.2.32. Register ETH_DEF_GATEWAY_LO ................53 14.2.33. Register ETH_PRI_DNS_HI ..................
  • Page 5 LTDVE8CH– INSTRUCTIONS MANUAL 14.3.10. Setup synch outputs SH5-SH8 ..................69 14.3.11. General setup ........................ 69 14.3.12. Advanced setup ......................71 15. Firmware update procedure ......................73...

  • Page 6: Disclaimer

    LTDVE8CH– INSTRUCTIONS MANUAL 1. Disclaimer Always deploy and store Opto Engineering products in the prescribed conditions in order to ensure proper functioning. Failing to comply with the following conditions may shorten the product lifetime and/or result in malfunctioning, performance degradation or failure.

  • Page 7: Benefits Of Current Control

    LTDVE8CH– INSTRUCTIONS MANUAL used to both optimize illumination intensity and obtain repeatable trigger sequencing between lights and vision cameras. This controller is a compact unit that includes power supply conditioning, intensity control, timing generation and advanced triggering functions. The controller can be set up using a PC with serial RS485 or Ethernet interfaces. Configurations are saved in non-volatile memory so that the controller will resume operation after a power cycle.

  • Page 8: Mechanical Fixing

    LTDVE8CH– INSTRUCTIONS MANUAL interface and an Ethernet interface (see chapter 6. Mechanical fixing The controller must be mounted on a DIN rail. Allow free flow of air around the unit. The controller has an IP rating of 20 and should be installed so that moisture and dirt cannot enter it.

  • Page 9: Reducing Generated Heat

    LTDVE8CH– INSTRUCTIONS MANUAL  SupplyVoltage is the actual supply voltage (from 24 V to 48 V)  DutyCycle is the actual duty cycle The duty cycle is given by: DutyCycle [·] = PulseWidth [s] * TriggerFrequency [Hz] If the output is driven in continuous mode, the previous equations are still valid but the parameter DutyCycle becomes one because the output is always active.

  • Page 10: Power And Logic Supply

    LTDVE8CH– INSTRUCTIONS MANUAL Figure 1: connectors on the controller front panel The connectors are briefly described below. A detailed description follows in the next sections.  Connectors P1, P2, P3 and P4 are used to connect the eight illuminators  Connector P5 is used to supply power ...

  • Page 11: Light Outputs

    LTDVE8CH– INSTRUCTIONS MANUAL pinout, ordered from left to right, is listed in Table 2: pinout of connector P5. Number Name Description Note +V LOG Power supply. Positive terminal Used for logic section Power supply. Negative terminal +V PWR Power supply. Positive terminal...

  • Page 12: Light Outputs 5 And 6

    LTDVE8CH– INSTRUCTIONS MANUAL careful not to cross-connect the two lights. Number Name Description Note LD3+ Power channel 3 output. LED anode LD3- Power channel 3 output. LED cathode LD4+ Power channel 4 output. LED anode LD4- Power channel 4 output. LED cathode Table 4: pinout of connector P2 Please note that LED3- and LED4- are not the same as 0V.

  • Page 13: Input/Output Synchronization

    LTDVE8CH– INSTRUCTIONS MANUAL Please note that LED7- and LED8- are not the same as 0V. 8.4. Input/output synchronization Connector P6 is used for input and output synchronization and for serial RS485 communication. There are eight independent, galvanically isolated, synchronization inputs. These inputs can be connected directly to the system for voltages up to 24V.
  • Page 14 LTDVE8CH– INSTRUCTIONS MANUAL Table 7: pinout of connector P6 for synchronization inputs The schematic of Figure 2: interface circuits for input synchronization depicts the internal input circuits. The constant current source connected in series with each input allows for a broad range of input voltages without any need for a series resistor.

  • Page 15: Synchronization Outputs

    LTDVE8CH– INSTRUCTIONS MANUAL Parameter Value Unit Note Uin (low) 0–2.2 Uin (high) 3.3–24 Current (constant-current source) 4.6–9.1 Table 8: specifications of input synchronization circuits 8.4.2. Synchronization outputs The eight synchronization outputs are available on the SH1+, SH1-, SH2+, SH2-, SH3+, SH3-, SH4+, SH4-, SH5+, SH5-, SH6+, SH6-, SH7+, SH7-, SH8+ and SH8- terminals of connector P6.

  • Page 16: Serial Rs485 Interface

    LTDVE8CH– INSTRUCTIONS MANUAL Figure 3: interface circuits for output synchronization Circuit specifications are summarized in the Table 10: specifications of output synchronization circuit. Please note the reported values are typical. Parameter Value Unit Note Imax Umax Table 10: specifications of output synchronization circuits 8.4.3.

  • Page 17: External Temperature Sensor

    LTDVE8CH– INSTRUCTIONS MANUAL listed in the Table 11: pinout of serial interface in connector P6. Be careful not to cross-connect the serial interface signals. Pin number Name Description Note RS485 data signal. Negative terminal RS485 reference ground RS485 data signal. Positive terminal Table 11: pinout of serial interface in connector P6 The interface is electrically isolated.

  • Page 18: Serial Rs485 Interface

    LTDVE8CH– INSTRUCTIONS MANUAL chapter 13 for details on operation with both Modbus and web browser. 9.1. Serial RS485 interface For the serial RS485 interface, the controller implements a subset of the Modbus/RTU slave protocol and operates, by default, at 9600 bits per second with even parity. The factory set Modbus address is 32 and it is saved in the controller non-volatile memory.
  • Page 19 LTDVE8CH– INSTRUCTIONS MANUAL communication interfaces or fault conditions. The exact meaning of each of the LEDs is listed in the Table 14: meaning of the LEDs. The LEDs of the top panel of the controller are identified by a unique label printed next to them. The Ethernet ACT and LINK LEDs are identified by their position relative to the Ethernet RJ45 jack.

  • Page 20: Init Button Functions

    LTDVE8CH– INSTRUCTIONS MANUAL LINK Green Stable when Ethernet connection established Table 14: meaning of the LEDs Either the RUN LED or the ERR LED blinks for 500 ms at power on to identify the source used for the settings. The green RUN LED blinks when the controller starts by using the settings stored in the non-volatile memory (the last configuration saved by the customer).

  • Page 21: Input Filters

    LTDVE8CH– INSTRUCTIONS MANUAL Figure 4: diagram of internal logic network The eight synchronization inputs are shown at the left (TR1, TR2, TR3. TR4, TR5, TR6, TR7 and TR8), while the eight light outputs (LD1, LD2, LD3, LD4, LD5, LD6, LD7 and LD8) and the eight synchronization outputs (SH1, SH2, SH3, SH4, SH5, SH6, SH7 and SH8) are drawn at the right.

  • Page 22: Input Multiplexers

    LTDVE8CH– INSTRUCTIONS MANUAL Tfilter Tfilter Tfilter Tfilter input output Figure 5: operation of the input filter As visible, the input signal is filtered by looking for pulses that hold the same state for a time of at least Tfilter before the change in state is passed to the output. Please note there is a fixed input to output propagation delay equal to this filter time constant.

  • Page 23: Pulse Generator

    LTDVE8CH– INSTRUCTIONS MANUAL • Free running oscillator The free running oscillator is an autonomous asynchronous trigger source described in detail in the chapter 11.7. Setting of the input multiplexers can be done using the serial RS485 or Ethernet interfaces. 12.4. Pulse generator There are sixteen pulse generators.

  • Page 24: Output Protection

    LTDVE8CH– INSTRUCTIONS MANUAL • Pulse generator 12 output • Pulse generator 13 output • Pulse generator 14 output • Pulse generator 15 output • Pulse generator 16 output • Filtered synchronization input 1 (TR1) • Filtered synchronization input 2 (TR2) •...
  • Page 25 LTDVE8CH– INSTRUCTIONS MANUAL The diagram in Figure 8: protection prevents too long turn-on time shows what happens when the turn-on time is too long. As visible in the diagram, the light is switched off at TonMAX, earlier than the original requirement.

  • Page 26: Wiring Diagrams

    LTDVE8CH– INSTRUCTIONS MANUAL 13. Wiring diagrams As discussed in the previous sections, the controller is quite flexible and many configurations can be achieved. The following wiring diagrams describe some of the most common. 13.1. Wiring example #1: controller triggers camera...

  • Page 27: Operation

    LTDVE8CH– INSTRUCTIONS MANUAL Figure 11: example schematic #2 As shown, the power and logic supplies are derived from a common power supply. If required for the application, a safety switch may be included in the circuit to cut off supply to the power stages in order to protect the end user from photo-biological hazard.

  • Page 28: Comparison Of Modbus/Rtu, Modbus/Tcp And Modbus/Udp

    LTDVE8CH– INSTRUCTIONS MANUAL Being simple and robust, over the years Modbus became a well-known communication protocol and it is now a commonly available means of connecting industrial electronic devices. The development and update of Modbus protocols has been managed by the Modbus Organization since April 2004.

  • Page 29: Register File

    LTDVE8CH– INSTRUCTIONS MANUAL register file. The master specifies the starting register address and the number of registers to be read. Registers are addressed starting at zero. The register data in the response message are packed as two bytes per register. For each register, the first byte contains the high order bits and the second contains the low order bits.
  • Page 30 LTDVE8CH– INSTRUCTIONS MANUAL FILTER_SEL4 Filter setting for input TR5 FILTER_SEL5 Filter setting for input TR6 FILTER_SEL6 Filter setting for input TR7 FILTER_SEL7 Filter setting for input TR8 INPUT_SEL0 0-511 Setting of input multiplexer 1 INPUT_SEL1 0-511 Setting of input multiplexer 2...
  • Page 31 LTDVE8CH– INSTRUCTIONS MANUAL 1023 GEN_DLY_BASE2 Pulse delay time base selector for generator 3 GEN_DLY_CNT2 Pulse delay setting for generator 3 1023 GEN_WDT_BASE2 Pulse width time base selector for generator 3 GEN_WDT_CNT2 Pulse width setting for generator 3 1023 GEN_DLY_BASE3 Pulse delay time base selector for...
  • Page 32 LTDVE8CH– INSTRUCTIONS MANUAL GEN_WDT_CNT6 Pulse width setting for generator 7 1023 GEN_DLY_BASE7 Pulse delay time base selector for generator 8 GEN_DLY_CNT7 Pulse delay setting for generator 8 1023 GEN_WDT_BASE7 Pulse width time base selector for generator 8 GEN_WDT_CNT7 Pulse width setting for generator 8...
  • Page 33 LTDVE8CH– INSTRUCTIONS MANUAL generator 12 GEN_WDT_CNT11 Pulse width setting for generator 12 1023 GEN_DLY_BASE12 Pulse delay time base selector for generator 13 GEN_DLY_CNT12 Pulse delay setting for generator 13 1023 GEN_WDT_BASE12 Pulse width time base selector for generator 13 GEN_WDT_CNT012...
  • Page 34 LTDVE8CH– INSTRUCTIONS MANUAL OUTPUT_SEL_HI1 0-511 High order byte of setting for LD2 output multiplexer OUTPUT_SEL_LO1 Low order byte of setting for LD2 output 65535 multiplexer OUTPUT_SEL_HI2 0-511 High order byte of setting for LD3 output multiplexer OUTPUT_SEL_LO2 Low order byte of setting for LD3 output...
  • Page 35 LTDVE8CH– INSTRUCTIONS MANUAL 65535 multiplexer OUTPUT_SEL_HI11 0-511 High order byte of setting for SH4 output multiplexer OUTPUT_SEL_LO11 Low order byte of setting for SH4 output 65535 multiplexer OUTPUT_SEL_HI12 0-511 High order byte of setting for SH5 output multiplexer OUTPUT_SEL_LO12 Low order byte of setting for SH5 output...
  • Page 36 LTDVE8CH– INSTRUCTIONS MANUAL PRT_CNT_OFF2 Minimum turn-off time for LD3 1023 PRT_ENA_OFF2 Enable limitation of turn-off time for PRT_CNT_ON3 Maximum turn-on time for LD4 1023 PRT_ENA_ON3 Enable limitation of turn-on time for LD4 PRT_CNT_OFF3 Minimum turn-off time for LD4 1023 PRT_ENA_OFF3...
  • Page 37 LTDVE8CH– INSTRUCTIONS MANUAL CUR_RANGE0 Current range for LD1 CUR_VALUE0 Current value for LD1 20000 CUR_RANGE1 Current range for LD2 CUR_VALUE1 Current value for LD2 20000 CUR_RANGE2 Current range for LD3 CUR_VALUE2 Current value for LD3 20000 CUR_RANGE3 Current range for LD4...
  • Page 38 LTDVE8CH– INSTRUCTIONS MANUAL ETH_HOSTNAME1 Bytes 2 and 3 of Ethernet host name 65535 ETH_HOSTNAME2 Bytes 4 and 5 of Ethernet host name 65535 ETH_HOSTNAME3 Bytes 6 and 7 of Ethernet host name 65535 ETH_HOSTNAME4 Bytes 8 and 9 of Ethernet host name...
  • Page 39 LTDVE8CH– INSTRUCTIONS MANUAL 65535 WEB_PASSWORD0 Bytes 0 and 1 of web password 65535 WEB_PASSWORD1 Bytes 2 and 3 of web password 65535 WEB_PASSWORD2 Bytes 4 and 5 of web password 65535 WEB_PASSWORD3 Bytes 6 and 7 of web password 65535...
  • Page 40 LTDVE8CH– INSTRUCTIONS MANUAL 20000 MEASURED_VOLTAGE0 0-480 Measured voltage for light output LD1 MEASURED_VOLTAGE1 0-480 Measured voltage for light output LD2 MEASURED_VOLTAGE2 0-480 Measured voltage for light output LD3 MEASURED_VOLTAGE3 0-480 Measured voltage for light output LD4 MEASURED_VOLTAGE4 0-480 Measured voltage for light output LD5...
  • Page 41 LTDVE8CH– INSTRUCTIONS MANUAL CALIB_CUR_MUL6 Calibration constant for LD7 current 65535 measurement CALIB_CUR_ADD7 Calibration constant for LD8 current 65535 measurement CALIB_CUR_MUL7 Calibration constant for LD8 current 65535 measurement CALIB_VLT_ADD0 Calibration constant for LD1 voltage 65535 measurement CALIB_VLT_MUL0 Calibration constant for LD1 voltage...

  • Page 42: Register Device_Type

    14.2.1. Register DEVICE_TYPE This register contains the device type. This information is encoded as a 16-bit unsigned number. For the standard LTDVE8CH-20 the device type is 0x0008. 14.2.2. Register BOOT_VERSION This register contains the bootloader firmware version for the microcontroller. This information is encoded as a 16-bit unsigned number.

  • Page 43: Registers Input_Sel[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL  FILTER_SEL0: filter setting for input TR1  FILTER_SEL1: filter setting for input TR2  FILTER_SEL2: filter setting for input TR3  FILTER_SEL3: filter setting for input TR4  FILTER_SEL4: filter setting for input TR5  FILTER_SEL5: filter setting for input TR6 ...

  • Page 44: Registers Gen_Dly_Base[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL  INPUT_SEL13: setting of input multiplexer 13  INPUT_SEL14: setting of input multiplexer 14  INPUT_SEL15: setting of input multiplexer 15 Allowed values are listed below. Avoid operation with non-listed values.  When 0x000 the input multiplexer is disabled (default value) ...

  • Page 45: Registers Gen_Dly_Cnt[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL Allowed values are in the range from 0 to 3 and are listed below. Avoid operation with non-listed values.  When 0x0 a time base of 1 µs is selected (default value)  When 0x1 a time base of 10 µs is selected ...

  • Page 46: Registers Gen_Wdt_Cnt[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL pulse width in the relevant pulse generator.  GEN_WDT_BASE0: time base selector for generation of pulse width in generator 1  GEN_WDT_BASE1: time base selector for generation of pulse width in generator 2  GEN_WDT_BASE2: time base selector for generation of pulse width in generator 3 ...

  • Page 47: Registers Output_Sel_Hi[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL  GEN_WDT_CNT7: pulse width setting for generator 8  GEN_WDT_CNT8: pulse width setting for generator 9  GEN_WDT_CNT9: pulse width setting for generator 10  GEN_WDT_CNT10: pulse width setting for generator 11  GEN_WDT_CNT11: pulse width setting for generator 12 ...
  • Page 48 LTDVE8CH– INSTRUCTIONS MANUAL  OUT_SEL_HI12: upper nine bits of output multiplexer 13 selector (sync. output SH5)  OUT_SEL_HI13: upper nine bits of output multiplexer 14 selector (sync. output SH6)  OUT_SEL_HI14: upper nine bits of output multiplexer 15 selector (sync. output SH7) ...

  • Page 49: Registers Output_Sel_Lo[0:15]

    LTDVE8CH– INSTRUCTIONS MANUAL 14.2.14. Registers OUTPUT_SEL_LO[0:15] The output multiplexers are used to route the internal signals to the light outputs and synchronization outputs. Each output multiplexer has an independent selector. The selector of a specific output multiplexer is a 25 bits binary number, split on a pair of contiguous Modbus registers named OUTPUT_SEL_HI[x] and OUTPUT_SEL_LO[x].

  • Page 50: Registers Prt_Ena_On[0:7]

    LTDVE8CH– INSTRUCTIONS MANUAL  PRT_CNT_ON7: maximum turn-on time for light output LD8 Allowed values are in the range from 1 (default value) to 1023 (maximum value) and are expressed in ms, so the maximum turn-on time can range from 1 ms to 1023 ms with a resolution of 1 ms. Avoid operation with non-allowed values.

  • Page 51: Registers Prt_Ena_Off[0:7]

    LTDVE8CH– INSTRUCTIONS MANUAL 14.2.18. Registers PRT_ENA_OFF[0:7] Bit 0 of these registers holds the enable flag for the limitation of turn-off time for light outputs LD1, LD2, LD3, LD4, LD5, LD6, LD7 and LD8.  PRT_ENA_OFF0: enable flag for the limitation of turn-off time for light output LD1 ...

  • Page 52: Register Rs485_Modbus_Addr

    LTDVE8CH– INSTRUCTIONS MANUAL  CUR_VALUE1: current value setting for light output LD2  CUR_VALUE2: current value setting for light output LD3  CUR_VALUE3: current value setting for light output LD4  CUR_VALUE4: current value setting for light output LD5  CUR_VALUE5: current value setting for light output LD6 ...

  • Page 53: Registers Eth_Mac_Addr[0:2]

    LTDVE8CH– INSTRUCTIONS MANUAL values.  When 0x0 there is no parity bit  When 0x1 the parity bit is even (default value)  When 0x2 the parity bit is odd Bit field [15:2] of this register is unused. When writing these bits, they must be set to zero.
  • Page 54 LTDVE8CH– INSTRUCTIONS MANUAL The factory settings can be restored using the INIT button (see chapter 10 for a description of the INIT button functionalities). 14.2.28. Register ETH_IP_ADDR_LO This register contains the sixteen low order bits of the IP address for Ethernet communication of the controller.
  • Page 55 LTDVE8CH– INSTRUCTIONS MANUAL 14.2.35. Register ETH_SEC_DNS_HI This register contains the sixteen high order bits of the secondary (alternate) DNS address for Ethernet communication of the controller. These are the bits [31:16]. The secondary DNS address is 192.168.0.2. The factory settings can be restored using the INIT button (see...
  • Page 56 LTDVE8CH– INSTRUCTIONS MANUAL 14.2.41. Register REMOTE_TEMPERATURE The controller allows for the connection of an external temperature sensor (see section 7.4.4 for more information). This register contains the measured temperature, expressed as a signed sixteen bits integer, with a resolution of 0.1 °C. Given the register value, the corresponding actual temperature for the remote sensor can be calculated as follows: RemoteTemperature [°C] = value(REMOTE_TEMPERATURE) * 0.1...
  • Page 57 LTDVE8CH– INSTRUCTIONS MANUAL  MEASURED_CURRENT6: measured current for light output LD7  MEASURED_CURRENT7: measured current for light output LD8 These registers contain the measured output currents, expressed as unsigned sixteen bits integers, with a resolution of 1 mA. Given a register value, the corresponding actual current for a light output can be calculated as follows: MeasuredCurrent[x] [A] = value(MEASURED_CURRENT[x]) * 0.001...
  • Page 58 LTDVE8CH– INSTRUCTIONS MANUAL  Bit 10: set if LD6 output stage has been disabled, reset if LD6 output stage is active  Bit 11: set if LD7 output stage has been disabled, reset if LD7 output stage is active  Bit 12: set if LD8 output stage has been disabled, reset if LD8 output stage is active When any of the four thermal sensors on the output stages reports an excessive temperature, the relevant error bit (1, 2, 3, or 4) is set and the relevant couple of output stages is shut down.
  • Page 59 LTDVE8CH– INSTRUCTIONS MANUAL 14.2.49. Registers CALIB_VLT_ADD[0:7] These registers contain calibration constants for measurement of light output voltages.  CALIB_CUR_ADD0: calibration constant for measurement of light output LD1 voltage  CALIB_CUR_ADD1: calibration constant for measurement of light output LD2 voltage  CALIB_CUR_ADD2: calibration constant for measurement of light output LD3 voltage ...
  • Page 60 LTDVE8CH– INSTRUCTIONS MANUAL 14.3. Operation with a web browser The controller has an Ethernet interface that allows it to be easily configured using a web browser. The default configuration uses the static IP address 192.168.0.32. It is possible to change this factory configuration using either the serial RS485 interface with Modbus/RTU or the Ethernet interface with Modbus/TCP, Modbus/UDP or the web pages.
  • Page 61 LTDVE8CH– INSTRUCTIONS MANUAL Figure 12: The Main web page...
  • Page 62 LTDVE8CH– INSTRUCTIONS MANUAL The top part of the main web page contains the navigation menu that is used to access all the other pages necessary to configure and manage the controller. The navigation menu is always visible and accessible at the top of every page.
  • Page 63 LTDVE8CH– INSTRUCTIONS MANUAL o Measured current LD5: measured current on light output LD5 o Measured current LD6: measured current on light output LD6 o Measured current LD7: measured current on light output LD7 o Measured current LD8: measured current on light output LD8...
  • Page 64 LTDVE8CH– INSTRUCTIONS MANUAL Figure 13: The Setup synch inputs TR1-TR8 web page Each synchronization input has a digital filter that can be set independently. Each of the eight filters can be enabled or disabled. If enabled, it can be set to one of six predefined time constants. The available selections are: ...
  • Page 65 LTDVE8CH– INSTRUCTIONS MANUAL  50 µs: the filter is enabled with a 50 µs time constant  100 µs: the filter is enabled with a 100 µs time constant  200 µs: the filter is enabled with a 200 µs time constant ...
  • Page 66 LTDVE8CH– INSTRUCTIONS MANUAL Figure 14: The Setup pulse generators GN1-GN4 web page Each pulse generator can be set independently. Each pulse generator is triggered by a selectable source and can have a different pulse delay and pulse width.  Source selects the trigger for the generator. It can be chosen between Off (default), Input TR1, Input TR2, Input TR3, Input TR4, Input TR5, Input TR6, Input TR7, Input TR8 and Oscillator.
  • Page 67 LTDVE8CH– INSTRUCTIONS MANUAL  Pulse width is the time duration of the generated pulse. The pulse width may range from 1 µs to 1,023,000 µs with variable resolution Settings Pulse delay and Pulse width are expressed in μs. 14.3.4. Setup pulse generators GN5-GN8 This page allows to inspect and change all the settings related to the pulse generators from 5 to 8.
  • Page 68 LTDVE8CH– INSTRUCTIONS MANUAL Figure 15: The Setup light outputs LD1-LD4 web page Each light output can be set independently. Each light output can have a different activation source, a specific output current and independent maximum turn-on and minimum turn-off parameters.
  • Page 69 LTDVE8CH– INSTRUCTIONS MANUAL is disabled. When set to Continuous the light output is always active  Current range selects the current range for the light output. It can be chosen between Automatic range selection (default), Low range (from zero up to 200 mA), Mid range (from zero up to 4 A) and High range (from zero up to 20 A) ...
  • Page 70 LTDVE8CH– INSTRUCTIONS MANUAL Figure 16: The Setup synch outputs SH1-SH4 web page Each synchronization output can be set independently. Each one can have a different activation source chosen between Off (default), Generator GN1, Generator GN2, Generator GN3, Generator GN4, Generator GN5, Generator GN6, Generator GN7, Generator GN8, Generator GN9, Generator...
  • Page 71 LTDVE8CH– INSTRUCTIONS MANUAL Figure 17: The General setup web page A password can be used to deny the modification of the settings to unauthorized personnel. In case the password is set, it must be entered in the Current password field. If the entered password matches the saved password, the settings can be changed.
  • Page 72 LTDVE8CH– INSTRUCTIONS MANUAL functionalities). The fields under Ethernet interface collect all the settings related to the Ethernet interface. It is possible to enable the use of a DHCP server, to change the IP address, the subnet mask, etc.  MAC address is the unique MAC address of the Ethernet interface ...
  • Page 73 LTDVE8CH– INSTRUCTIONS MANUAL Figure 18: The Advanced setup web page The fields under Change unlock password can be used to set or modify the password employed to protect the settings of the controller from unauthorized modify.  Current password is the current password (leave blank if there is not current password) ...
  • Page 74 LTDVE8CH– INSTRUCTIONS MANUAL  Address is the address of the register to be written (decimal number)  Value contains the value that has to be written to the register specified by the address (decimal number) Please refer to chapter 13.2 for a comprehensive list of the Modbus registers available.
  • Page 75 LTDVE8CH– INSTRUCTIONS MANUAL Figure 20: dialog used to locate the FPGA Algo firmware file After the FPGA Algo file has been specified, the relative modal dialog is closed. The new modal dialog of Figure 21: dialog used to locate the FPGA Data firmware file will then be displayed, asking...
  • Page 76 LTDVE8CH– INSTRUCTIONS MANUAL Figure 21: dialog used to locate the FPGA Data firmware file After the FPGA Data file has been specified, the relative modal dialog is closed. The couple of FPGA firmware files will then be loaded from the PC disk to the PC RAM. The text box at the bottom of...
  • Page 77 LTDVE8CH– INSTRUCTIONS MANUAL Figure 22: main window after the FPGA firmware files have been loaded To update the MCU firmware it is necessary to specify a single file, named the MCU file. After pressing the Load MCU file button the modal dialog of...
  • Page 78 LTDVE8CH– INSTRUCTIONS MANUAL Figure 23: dialog used to locate the MCU firmware file After the MCU file has been specified, the relative modal dialog is closed. The single MCU firmware file will then be loaded from the PC disk to the PC RAM. The text box at the bottom of the main...
  • Page 79 LTDVE8CH– INSTRUCTIONS MANUAL Figure 24: main window after the MCU firmware file has been loaded The firmware update sequence is then started by pressing the Update button. The PC application connects to the controller and starts the data transfer and programming. The progress bar in the middle of the main window keeps updating to show the advancement of the process.
  • Page 80 LTDVE8CH– INSTRUCTIONS MANUAL sequence). Figure 26: FPGA Data firmware update sequence Last, the FPGA Algo firmware is transferred (see image in Figure 27: FPGA Algo firmware update sequence). Figure 27: FPGA Algo firmware update sequence The FPGA is programmed just after both the FPGA Data and the FPGA Algo files have been...
  • Page 81 LTDVE8CH– INSTRUCTIONS MANUAL Figure 28: main window after FPGA programming The information in Figure 29: main window after successful firmware update is displayed when the update process is successfully finished. Figure 29: main window after successful firmware update The whole update process takes about two minutes to complete.

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