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LTDVE4CH-20 | INSTRUCTIONS MANUAL
INDEX
1. Disclaimer ................................................................................................ 4
2. Safety notes ............................................................................................. 4
3. Product end-of-life handling ................................................................... 4
4. General description ................................................................................. 5
4.1. Benefits of current control .................................................................................................... 5
4.2. Operating mode ................................................................................................................... 5
5. Getting started ......................................................................................... 5
6. Mechanical fixing ..................................................................................... 6
7. Heat dissipation ....................................................................................... 6
7.1. Calculating generated heat per channel ............................................................................... 6
7.2. Reducing generated heat ..................................................................................................... 7
8. Connections ............................................................................................. 7
8.1. Layout of connectors ............................................................................................................ 7
8.2. Power and logic supply ........................................................................................................ 8
8.3. Light outputs ........................................................................................................................ 9
8.3.1. Light outputs 1 and 2 ..................................................................................................... 9
8.3.2. Light outputs 3 and 4 ..................................................................................................... 9
8.4. Input/output synchronization ............................................................................................... 10
8.4.1. Synchronization inputs ................................................................................................ 10
8.4.2. Synchronization outputs .............................................................................................. 11
8.4.3. Serial RS485 interface ................................................................................................. 12
8.4.4. External temperature sensor ....................................................................................... 13
8.5. Cable size and length ......................................................................................................... 13
9. Communication interfaces .................................................................... 14
9.1. Serial RS485 interface ....................................................................................................... 14
9.2. Ethernet interface ............................................................................................................... 14
10. Visual indicators .................................................................................. 15
11. INIT button functions ........................................................................... 16
12. Pulse shaping logic ............................................................................. 16
12.1. Diagram of internal logic ................................................................................................... 16
12.2. Input filters ....................................................................................................................... 17
12.3. Input multiplexers ............................................................................................................. 18
12.4. Pulse generator ................................................................................................................ 18
12.5. Output multiplexers .......................................................................................................... 19
12.6. Output protection .............................................................................................................. 19
12.7. Free running oscillator ...................................................................................................... 21
