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USER MANUAL DLC-C2P6-D

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1. Command Example Effect AW AW Save changes ST ST Show configuration GT GT Enable Ethernet messages GR GR Get any error codes VR VR Read firmware version RR RR1 0 2 Set rating of channel 1 to 0 2A RS RS1 65 Set channel 2 to 65 brightness continuous RW RW1 50 Set channel 1 to 50 switch by Trig 1 RT RT2 3 4 50 Set channel 2 to 3ms pulses delay by 4 ms at 50 brightness TT TT1 1ms Set internal triggers every ms TR TR2 Simulate trigger on trigger input 2 CL CL Clear all settings except Ethernet EY EY80 87 Set webpage password to PW RP RP2 1 Use trigger input 1 for Channel 2 RE RE1 3 Set channel to ignore lighting errors and do not prompt for current rating of a light when it is connected 17 18 If Ethernet message are enabled these errors cause a message to be sent of the form Err c e Where c output channel 1 2 e error number 9 3 3 Error Code Summary Error number Err 1 Reason A parameter value is invalid Err 2 Command not recognized Err 3 Numeric value is wrong format Err 4 Wrong number of parameters Err 5 One of parameters is out of range The value of the parameter has been adjusted For example sending an RT command with a delay of 0 will get a reply of Err 5 When settings are viewed delay will have been set to 20us Err 8 12 EEPROM corrupt Configuration has been cleared
2. JM Vistec System Pte Ltd USER MANUAL DLC C2P6 D E LED CURRENT CONTROLLER Revision 1 JM Vistec System Private Limited 10 Kaki Bukit Road 1 01 40 KB Industrial Building Singapore 416175 Tel 65 67485517 Fax 65 67485507 Web www jm vistec com 1 Disclaimer Except as prohibited by law All hardware software and documentation is provided on an as is basis It is essential that the user ensures that the operation of the product is suitable for their application The user must ensure that incorrect functioning of this equipment cannot cause any dangerous situation or significant financial loss to occur JM Vistec System Private Ltd will not accept any liability for consequential loss of any kind 2 Getting Started Read the sections on Safety and Specifications and check the DLC C2P6 D E fulfils your requirements Controlling DLC C2P6 D E is achieved through Ethernet communication to Computer Connect a straight Ethernet cable if a switch is installed or a cross Ethernet cable directly to any computer Ethernet port Note that most new computer do come with auto cross feature Ethernet which allow straight or cross Ethernet to be able to communicate with controller directly with Switch or hub Connect DLC C2P6 D E to a supply and an LED lighting unit as described in Connections Once DLC C2P6 D E powers up observe Ethernet port LED is lighted Users need refer to Ethernet Configuration and Eth
3. 4 Mechanical Fixing The DLC C2P6 D E can be mounted onto a flat surface using the mounting holes in the corners Refer to diagram DLC C2P6 D E should only be mounted either vertically or with its base horizontal It should be mounted at least 15mm away from the sides of plastic enclosures Likewise leave a similar space between the DLC C2P6 D E and any parts which could be affected by high temperatures The enclosure of the DLC C2P6 D E is used to dissipate power in the form of heat Refer to the section on Heat Dissipation 25 9 4 8 o by en Te Yo t The DLC C2P6 D E can be mounted from above using the M4 clearance corner holes or from beneath using the M4 tapped holes maximum screw length inside is 6mm To avoid a fire hazard consider the implications of overheating in the unlikely event of a fault in the DLC C2P6 D E The power dissipation in a fault condition is approximately given by sum of the following for the two channels lt Power supply voltage gt lt rated voltage for lighting gt lt max current delivered by Power supply gt Either limits power supply output current s so that not more than 30W can be dissipated in DLC C2P6 D E or mount unit in an enclosure 4 18 Choose a PSU that limits its output current by design by setting current limit on power supply if this feature exists or use fuses Remember to de rate the fuse if mounted in an enclosure as temperature will be higher than amb
4. Cycle 0 to 100 2999ms 100 101 to 200 30ms 30 201 to 300 10ms 20 301 to 500 2ms 10 501 to 999 lms 5 So for example if brightness is set to 350 then DLC C2P6 D E will not allow pulses greater than 2ms long If trigger occurs within 20ms of a previous trigger so that the duty cycle would be greater than 10 the trigger is ignored 10 18 8 Specifications Parameter Digital supply voltage PSU Value 12V DC to 48V DC regulated Notes Must be at least 1V greater than load potential difference at maximum required current Supply current with no lights connected 150mA This is with a 12V supply Current is lower at 24V Input enable level From 4 5 to 24V Input disable level lt 1V This is voltage applied between positive and negative of each input Typical trigger input current required 3mA at 4 5V 22mA at 24V Maximum output current per channel 2A continuous or 6A pulsed Ambient temperature during operation 5 C to 50 C Ambient temperature need to be lower if DLC C2P6 D E is dissipating a lot of heat Total allowed power dissipation without heatsinking Pp Pp 8 Watts max See Section for information on heat dissipation 11 18 9 Ethernet Configurations 9 1 Communication DLC C2P6 D E can be configured via the Ethernet connection using UDP or TCP IP A Configuration Program with source code is
5. Err 20 Can t save settings to EEPROM Err 27 Can t read Ethernet settings from EEPROM so these maybe incorrect Err 34 Internal power dissipation is too high Output turned off Err 35 Output current to lighting is too low Err 36 Output is short circuit Err 37 Voltage required for lighting has increased too much Check for aging of lighting or a failed LED Err 38 Voltage required for lighting has decreased too much Check for aging of lighting or a failed LED Err 39 There is not enough supply voltage for requested output current Err 40 41 45 More current is being output than should be so DLC C2P6 D E has turned off outputs This may be caused by hardware error Check with your distributor Err 42 Output current is too high Err 44 Temperature error DLC C2P6 D E is too hot and has switched off to protect itself Any other errors are internal errors 18 18
6. given free of charge Communication consists of commands sent by the host controlling PC All output generated by command is returned in reply UDP or TCP IP packets The last character sent is gt greater than symbol Once this is received host knows that command has been completed It is recommended that host waits for the gt symbol before sending next command UDP communications are not guaranteed to arrive so host software must be able to cope with lost messages Using the GT command a host can request that a message is sent to it whenever an error occurs For TCP and UDP commands from a host should be sent to destination port 30313 Replies will be to destination port 30312 A TCP IP connection will timeout and close if it is idle for more than 10 seconds Host must send regular heartbeat commands eg VR to keep the link open 9 2 Command Structure Several commands can be put into one command line by separating them by a semi colon A carriage return character should be sent to terminate command line DC C2P6 D E will send any replies to the commands and then send a gt character to indicate that the command line has been completed Commands comprise a code of two letters followed by the parameters if any needed for command Spaces in commands are ignored oc 99 Numeric parameters are separated by a comma For a parameter which is a time 6699 66 per
7. MD 0 IP 2 CS 0 100A SE 25 8 DL 1 000ms PU 1 000ms RT 0 0us FL 0 Where the numeric values are CH Channel number MD Mode 0 continuous 1 pulse 2 switched IP Trigger input 1 2 3 4 CS Current rating of the light SE Brightness percentage setting DL Pulse delay PU Pulse width RT Retrigger delay STO Report general settings Typical output is TM 1 TP 20 00ms STc Where c channel number 1 or 2 Report settings for a single channel Enable Ethernet Messages GTm m 0 to disable Ethernet messages to enable Ethernet messages When Ethernet messages are enabled any error reports are sent to the most recent UDP or TCP address from which a command has been received Messages are of the form Evtc e Where c zero for no channel or channel number 1 or 2 v event value 32 to 47 Lighting error code 128 Light detected and waiting for current rating 129 Light detected and not waiting for current rating Clear any Errors GR If Ethernet messages are not enabled last event or error number can be read by this command Any error displayed on the unit is cleared so if there was a lighting error DLC C2P6 D E will resume auto sensing on that channel The reply will be in he same form as the GT command above If there are no outstanding events or errors then only the prompt gt is returned 14 18 Clear Settings CL Clears output channel configuration This excludes Ethernet settings For each channel if A
8. UTO_SENSE flag is set then the flag and current rating are preserved Set Clear the Webpage Password EY EY ascl asc2 asc3 asc4 asc5 asc6 This command sets password required to access web pages If EY is entered on its own then password is cleared There are six optional parameters which are ASCII values for password from one to six letters A value of 65 is A 66 is B etc to 90 is Z Set the Channel Flags REc m Where c output channel 1 2 3 4 m Flags where bit 0 1 No autosense current rating is fixed 0 Autosense current rating needs to be entered on connection bit 1 1 No error detect 0 Error detect The PP420 continually monitors output current and voltage bit 2 1 Negative trigger In pulse mode the trigger is the falling edge In switched mode a low input turns the light on 0 Positive trigger In pulse mode the trigger is the leading edge In switched mode a high input turns the light on Set the trigger input This command changes which input is used when in switched or pulsed modes RPc t Where c output channel 1 2 3 4 t trigger input 1 2 3 4 Set the output current rating This command changes the current rating for a light RRc v Where c output channel 1 2 3 4 v rated current 10mA to 2A 15 18 Set continuous mode The output is set to continuous mode at a percentage of full brightness RSc s Where c output channel 1 2 3 4 s se
9. ernet Communications sections for more in depth information Mount the DLC C2P6 D E as described in Mechanical Fixing using a DIN rail or the mounting holes Read the section on Heat Dissipation Set up the DLC C2P6 D E for the desired operation and test 2 18 3 Safety 3 1 DLC C2P6 D E Safety Please read this before using DLC C2P6 D E If in doubt contact your distributor Or JM Vistec A Where this symbol appears in the manual refer to the text for precautions to be taken 3 2 Heat The DLC C2P6 D E can get very hot It should be positioned where personnel cannot accidentally touch it and away from flammable materials Read the section on Heat Dissipation Do not exceed the power ratings given in the manual Note that at the maximum ratings the case temperature can reach above 65 C 3 3 Electrical The user must ensure that potential difference between any combinations of applied signals does not exceed 48V WARNING Higher voltages may cause a danger to personal health DLC C2P6 D E does not have complete tracking isolation of inputs and outputs Transients caused by inductive loads must be suppressed external to DLC C2P6 D E 3 4 General The DLC C2P6 D E must not be used in an application where its failure could cause a danger to personal health or damage to other equipment If equipment is used in a manner not specified by the manufacturer the protection provided by equipment may be impaired 3 18
10. ient The DLC C2P6 D E enclosure is a fire enclosure as long as the following conditions are met e The Ethernet connector must not be facing downwards e The mounting holes on underside must be covered or have a screw fitted If an enclosure is used enclosure should be metal or plastic with a flammability rating of UL94 V1 or better with no holes below or to the sides of the DLC C2P6 D E when mounted Cable entries below DLC C2P6 D E should be via glands that have a flammability rating as before Observe specified gap between the DLC C2P6 D E and any other part or side of the enclosure DLC C2P6 D E does not have an IP rating and should be mounted so that moisture and dirt cannot enter the unit 5 18 5 Heat Dissipation DLC C2P6 D E has a linear circuit to produce constant current output This means that it generates heat which needs to be dissipated 5 1 Heat Output per Channel For a continuous output current the heat output is given by lt Heat output W gt lt output current A gt lt supply voltage V gt lt voltage across lighting V gt Where Output current Set by the user Supply voltage Voltage across PSU and PSU Voltage across lighting Voltage across LD1 and LD1 for channel 1 This is usually easy to calculate as voltage across lighting is usually the voltage rating of light given in its specification or can be measured using a voltmeter For a pulsed output the heat output is given by
11. ing Ethernet commands Configurations are saved ins non volatile memory so DLC C2P6 D E will resume same operation after a power cycle 7 1 Output Modes The trigger inputs are used as follows Mode Trigger Input Output Continuous Unused Output is on Switched Trigger Input at OV Output is off if P flag 1 default Output is on if P flag 0 Trigger Input between 4 5V Output is on if P flag 1 default and 24V Output is off if P flag 0 Pulsed Rising edge Pulse is triggered if P flag 1 default Goes from OV to 4 5V above See RE Ethernet command Falling edge Pulse is triggered if P flag 0 Goes from 4 5V above to 0V 9 18 7 1 1 Continuous Output and Switched Output In continuous mode output current is fixed and continuous Switched mode uses a trigger input to switch output on or off Both continuous and switched modes output current can be varied from 0 to 100 of full brightness 7 1 2 Pulsed Output Output is off by default When DLC C2P6 D E is triggered it will wait for delay and then pulse output Delay pulse width and pulse intensity are all configurable In pulsed mode brightness can be set up to 999 of its rating but only for short periods and at low duty cycles so that lighting does not overheat and get damaged The duty cycle is limited by ignoring triggers which are too soon after previous trigger Output Brightness Allowed Pulse Width Allowed Duty
12. iod default units are milliseconds s ms or us can be added to the end of the number to indicate seconds milliseconds or microseconds For current setting a or ma can be added to indicate amps or milliamps The default is amps 12 18 For example Parameter Meaning 0 1 milliseconds 200 microseconds 0 1 seconds 100mA 2 45A 2300mA or 2 3A Note that parameters are in USA UK format so that a half is written 0 5 not 0 5 Command codes and their meaning are described below Upper case commands are shown followed by lower case letters denoting the numeric argument Error number Reason A parameter value is invalid Command not recognised Numeric value is wrong format Wrong number of parameters Warning only A timing parameter was out of range and has been adjusted Any changes made using Ethernet commands are not saved permanently until the AW command has been issued 9 3 1 General Commands Save the settings to memory AW Once the settings are saved to memory they are then retained when the unit is switched off If this is not done changes to the settings are volatile and if the unit is switched off they revert to those in force when the last AW command was issued 13 18 Report the configuration ST Typical output is CH 1 MD 2 IP 4 CS 0 100A SE 75 0 DL 2 0us PU 300 0us RT 500 0us FL 1 CH 2
13. lated with SELV compliant outputs fault tolerant Consideration should be given to fusing PSU The fuse value can be based on average current output Note that in Europe fuses are designed to conduct at their rated current while in the USA fuses are designed to blow at their rated current RJ45 Ethernet connector requires a straight through cable to connect into a network switch hub or router It runs at 1OMbits per second 8 18 7 General Description The DLC C2P6 D E current controller provides repeatable intensity control of LED lighting for machine vision applications It includes intensity control timing and triggering functions required for machine vision systems LED lighting needs constant current supply as small variations in voltage can cause large variations in light output Currents can be specified in 2 5mA steps to give very fine control of intensity Two modes of operation are provided separately for each channel Continuous In continuous mode output is a continuous current Pulse Strobe In this mode output is pulsed once per trigger One trigger input is used as a trigger Delay and pulse duration can range from 20us to 1 second in 20us steps Switched In switched mode a trigger input can be used to switch output current on and off Output is only enabled when the input has a voltage on it For Pulsed mode either channel can be controlled by either trigger input DLC C2P6 D E can be set up us
14. lt Heat output W gt lt output current A gt lt duty cycle gt lt supply voltage V gt lt voltage across lighting when pulsing V gt lt Duty cycle gt lt pulse width in seconds gt lt trigger frequency in Hertz gt When overdriving voltage across lighting is more difficult to find out In most cases it is reasonable to use voltage rating of the light 5 2 Total Heat Output The heat output for DLC C2P6 D E is given by adding heat output for both channels as calculated above There are several ways to reduce heat output from DLC C2P6 D E e Use pulse mode If the output is only on when you need it then you can dramatically reduce heat output Feed camera trigger into DLC C2P6 D E and pulse lights e Turn light off when not needed If you don t have precise timing of when camera will trigger you can use Switched mode to switch output off or on depending on trigger input or use DLC C2P6 D E with Ethernet commands to turn the output on and off e Reduce the output current if possible e Reduce the supply voltage Most PSUs have some adjustment in their output voltage e Connect lights in series instead of parallel If you have an array of lights or LEDs in parallel then changing arrangement to serial will increase voltage across them 6 18 but reduce overall current e Use two DLC C2P6 D E and use one channel from each For high power applications this may be the easiest solution Even with one light it is po
15. ssible to parallel up two output channels from different DLC C2P6 D E With no heat sinking and no airflow DLC C2P6 D E can dissipate approximately the following 8W at 30 C ambient 6W at 40 C ambient 4W at 50 C ambient If heat output is no greater than these limits then no heat sinking is required If the heat output is above but less than 24W then DLC C2P6 D E needs to be bolted to a solid piece of metal to dissipate heat Above 24W it is necessary to have a large heat sink with fan cooling 7 18 6 Connections The screw terminals have the following connections Opto Coupled Trigger Input Details S 1K8 Vrai f TRIG1 Channel 1 trigger input _ D TRIG1 See illustration to left LED1 Channel output to i LEDI lighting Operating Conditions PSU Power Supply ve PSU Power Supply ve GND oN Se mies 228 LED Channel 2 output to iy LED2 lighting ve TRIG2 Channel trigger input TRIG2 fe See illustration to left Ensure wire gauge used for these connections is appropriate for current to be drawn Ideally wires should be double crimped or independently secured to ensure they cannot come loose Route low voltage and mains wiring separately If they must be loomed together ensure that low voltage insulation rating is sufficient or that supplementary insulation is used DLC C2P6 D E has a single power input connection Power supplies should be regu
16. tting in percent s 0 to 100 Set switched mode The output is set to switched mode at a percentage of full brightness RWc s Where c output channel 1 2 3 4 s setting in percent s 0 to 100 Set pulse mode Output can be set up to pulse on a trigger input Delay from trigger to start of pulse length of the pulse and brightness are configurable An error is generated if the brightness setting requires a current greater than 10A or if the combination of pulse width and setting is not allowed RTc p d s RTc p d s r Where c output channel 1 2 3 4 p pulse width in milliseconds 0 02 to 999 d delay from trigger to pulse in milliseconds 0 02 to 999 s setting in percent s 0 to 999 r retrigger delay This parameter is optional Simulate an Input Trigger TRe c which input channel 1 2 3 4 Simulates a trigger pulse If channel is in pulse mode it will pulse Set Internal Trigger Enable or disable internal trigger When enabled all outputs are triggered simultaneously using an internal trigger signal This setting can be saved to non volatile memory using AW command TTO Disable internal trigger TT1 Enable internal trigger uses previously set period TT1 p Enable internal trigger and set the period Where p period of the triggers in microseconds 16 18 For example TT1 200 Set the internal trigger to 200ms 5Hz TT1 500US Set the internal trigger to 500us 2KHz 9 3 2 Command Summary

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