185 Dedicated LED Digital Controller MLEF Digital 2ch RoHS CE Series Two-in-one multifunctional digital controllers for Strobe/PWM LED controllers compatible with lighting modes from strobe overdrive to continuous lighting. Allows adjustment of not only light emitting time but also voltage for dimming control in strobe overdrive mode—invaluable for maintaining a constant light emitting time for setting cameras. This proprietary function is an industry first for DIN-rail-mountable compact controllers. • Mode selectable between strobe overdrive, strobe, and PWM Adaptable to various lighting modes ranging from strobe overdrive to continuous lighting • Ethernet communication Ethernet/parallel (8-bit) port provided for external interfacing • Strobe dimming control Allows adjustment of not only light emitting time but also voltage for dimming control in strobe overdrive mode. This proprietary function is an industry ﬁrst for DIN-rail-mountable compact controllers • Compact, lightweight body design • Panel indication for easy operation User-friendly panel indication allows easy operation Selectable 3 Lighting Modes Ethernet LAN/Parallel Digital Networking Selectable three LED lighting modes, Strobe Overdrive, Strobe and PWM are available for user’s precise lighting adjustment. The Ethernet port and conventional parallel port interfaces are equipped as standard. Setting up a LAN can be made by using the existing IT assets, e.g. cabling, without additional cost. 㻼㻯 Strobe Overdrive lighting STBO Continuous lighting Strobe lighting PWM STB Frequency: 100kHz in 250 steps Light emitting time: 1.1ms to 10.0ms 㻴㼁㻮 MLEF Series Light emitting time: 10µs to 1000µs Dedicated LED Digital Controller Compact and lightweight body allows ﬂexible installation to a DIN rail or direct mounting 186 Easy Operation Simple push-button operation makes Lighting/dimming level repeatability settings easy Repeating previous lighting/dimming settings can be perfectly done with the digitalized setting values. User-friendly and informative front display panel indicates the current operation mode. Changing Changing Lighting mode! Light emitting time and lighting setting PWM Long push: Jump Short push: Steps STB STBO Manual Select a lighting mode among 3 modes by pushing DIMMER button Changing Control type! Set a desirable light emitting time and intensity by pushing UP/DOWN buttons Parallel Ethernet Select a control type by pushing MODE button Strobe Overdrive Feature Feature 1 Voltage-controlled dimming control available! Feature 2 2.5× brighter! The Strobe Overdrive can give out about 2.5× brightness controlled strobe dimming control are possible for lighting control instantaneously compared to the PWM continuous lighting. under the Strobe Overdrive (STBO) mode. It saves the trouble of This is desirable for high-speed machine vision image processing light emitting time adjustment with multiple cameras, since the user such as an IC chip appearance inspection. can change the light intensity only with the power (load voltage). ■ Two strobe dimming methods available (STBO mode) 1 ■ Light intensity comparison Light emitting time dimming control Tested illumination: R-120X60-50R Continuous (PWM) 2 Voltage-controlled strobe dimming control MLEF Series 40V 24V Both available ! 2.5x ! Strobe Overdrive (STBO) 10V 100 250% Light intensity Adjustment Range Strobe Overdrive lighting STBO Strobe lighting STB Trigger synchronization with signal shall be set for the Strobe Overdrive lighting. Light emitting time (i.e. duration) range is 10µs to 1000µs in 100 steps with 10µs increments, also the variable output voltage ranges from 10V-40V. Trigger synchronization with signal shall be set for the Strobe lighting. Light emitting time range is 1.1ms to 10.0ms in 90 steps with 100µs (0.1ms) increments. Continuous lighting PWM 250 control steps at 100kHZ. Continuous DC lighting with the control value range from (light off) 0 to 250 (maximum). Strobe mode PWM mode * Total 8-bit and 190 steps Strobe Overdrive lighting Strobe lighting Pulse-width Modulation STBO STB PWM Intensity Dedicated LED Digital Controller Using both the light emitting time dimming control and voltage- 10μs 1ms 10ms Time 187 Connecting with LED Illumination The dedicated extension cable is available for connecting the terminal with each LED illumination. CH1 Vout 2 GND G GN ND N 3 Pin No. 1 2 3 4 5 4 CH2 CH2 5 Vou out ut Vout blue(-) Use a straight slot screwdriver for fixing. 1 CH1 brown(+) GND CH2 Assignment CH1 Vout (+) CH1 GND (-) N.C. CH2 Vout (+) CH2 GND (−) Trigger Input 24 VDC Input Terminal Block Trigger signal setting is necessary for both Strobe Overdrive and Use the boxed terminals for connecting 24 VDC input as shown Strobe modes. Recommended trigger cable connector: HR10A-7P- below. M3-type round crimping terminal is recommended for 4P(73), Hirose, or equivalent product. connection. TRIG Cable connector HR10A-7P-4P(73) *Using an excessively large crimping terminal may damage the terminal block and its resin screw part. 4 1 3 2 Trigger port connector HR10A-7R-4S(73) INPUT GND +24V Assignment Trigger 1 (+) Trigger 1 (-) Trigger 2 (-) Trigger 2 (+) External Interface Parallel interface Ethernet LAN Pin assignment details for parallel connection. Communication protocol for external control through * External control cable MC-EXC-02 is available on request. Ethernet LAN. CH MODE0 MODE1 D0 D1 D2 D3 D4 D5 D6 D7 Input Input Input Input Input Input Input Input Input Input Input 12 WE Input 13 COMMON 14 15 ERRc ERRe Signal I/O Note Designate output channel; L: CH1, H: CH2 Lighting mode selection between PWM, STB, VoutADJ and MEMORY Function changes according to selected mode D0-D7 Used for indicated values in PWM or STB mode D0-D7 Used for indicated values in VoutADJ mode D0 Used for reading and writing when MODE is MEMORY D1-D2 Used for address indication when MODE is MEMORY Used for writing and fixing settings onto internal register 5 to 24V can be applied, but no input variation while — in use Output Alarm when controller operates abnormally Output Normal operation: PD off / Abnormal operation: PD on Protocol hierarchy Specification TCP protocol Applicable standard RFC793 IPv4 protocol Applicable standard RFC791 Applicable standard IEEE 802.3 IEEE 802.3u IEEE 802.3x Transfer rate (automatic detection) 10Mbps 100Mbps Data transmission media 10BASE-T 100BASE-TX Ethernet * Automatic negotiation compatible MLEF Series Pin No. 1 2 3 4 5 6 7 8 9 10 11 Dedicated LED Digital Controller Pin No. 1 2 3 4 188 Small and Lightweight Design 65mm slimline body External View Small and lightweight body (only 800g weight and 65mm width) makes it easy to fix onto DIN rail or simply use standalone. (5.3) 65 32.3 MLEF-A015G2DT μ s / ST B μ s / ST B CH 1 : 1 0 0 0 CH2 : 10 MEMORY DIMMER UP ENT/LOCK MODE DOWN 140 RESET TRIG 139.8 119.7 REMO ALARM OUTPUT LAN Vout 1 GND 2 3 CH2 (9) 9.3 GND (45) GND INPUT 9 5 1 15 MLEF-A015G2DT 4 Vout 8 (35) CH1 PARALLEL +24V 46 64.6 (10.9) 10 78.5 (14.2) 98.5 (9.8) Speciﬁcations Model name MLEF-A015G2DT Input voltage 24VDC +/-10% (21.6-26.4V) Input current 1.8A (Maximum) Output channel Output voltage 2 channels PWM : 30W (Two channel total), STB : 15W (Maximum for a channel) PWM/STB : 24Vp-p, STBO : 40Vp-p Output current PWM/STB : 1.25Ap-p, STBO : 4.0Ap-p Output power Dedicated LED Digital Controller Variable output range PWM/STB : 0 to 100%, STBO : 10 to 40V Remote control Ethernet LAN port / Parallel port PWM mode PWM frequency: 100kHz (Control step: 250 steps) STB mode STBO mode Trigger input range Setup mode MLEF Series Memory function Safety feature Set reclosing interval Operating condition Storage temperature/ humidity range Cooling method Display panel Operation buttons *1 Trigger port Light emitting time: 1.1 to 10.0ms (90 steps in 0.1ms increments) * Effective bit setting: From 101 to 190 among the 8 bits Light emitting time : 10 to 1000µs (100 steps in 10µs increments) Flashing duty cycle limit: 10% * Effective bit setting: From 0 to 100 among the 8 bits Vout adjustment : 0 to 100% (256 steps) 5 to 24VDC STB/STBO_TRG Input response time : Less than 10µs PWM_ON/OFF Input response time : Less than 10µs STB : 5ms / 10ms, STBO : 10µs / 1000µs Manual memory (ROM) : Up to 3 memory settings Remote LAN memory (RAM) : Up to 3memory settings Remote parallel memory (RAM) : Up to 4 memory settings Overcurrent / Overvoltage / STB(O) output overtime protection *2 Fuse rating: 4.0A (input) LAN port LED illumination connection terminal Parallel port 24VDC input terminal block Not less than 1 second Indoor use only, Maximum altitude for use : 2000m above sea C level, Operating temperature : 0 to 45° C, then Operating humidity limits : Less than 80% RH until 30° C.Pollution level 2 decline linearly to 50% RH at 40° -20 to 80° C / 20 to 85% RH (No condensation) Natural cooling Ingress Protection code IP20 (EN 60529) External dimensions W655 x H140 x D99mm (Projecting parts excluded) Weight Approx. 800g CE-Marking EMC Directive: EN55011:2009+A1:2010, EN61000-6-2:2005 *3 *4 *1 The minimum voltage is a reference value. *2 To reset a protection function (but not applicable to blowout of a fuse), restore the main supply with a 2 to 3 second interval after turning it off. *3 Protected against a solid object greater than 12.5mm in diameter, such as a finger. No protection against ingress of water. *4 Compatible with an extension or branch cables (for CompaVis ®) of up to 10m.