
Service Manual
Operating Lights marLED® E3, E9, E9i, E15, battery and
marLED® E3 on ceiling tube Ø 110 mm
Revision 2 5
6.1.6 Terminating Resistor S1 without Coupler......................................................................................32
6.1.7 Pin Assignment of Cable Connection Terminal Block X3 ...............................................................33
6.1.8 CAN Board with Galvanic Isolation ................................................................................................34
6.1.9 Terminating Resistor S1 with Coupler............................................................................................34
6.1.10 Light System with CAN Bus and 1 Ceiling Tube, with Galvanic Isolation .......................................36
6.1.11 Connecting the Bus Couplers to the CAN Board............................................................................37
6.1.12 Connecting the Bus Couplers to the Power Supply .......................................................................37
6.1.13 Bus Coupler Connection Board Pin Assignment ............................................................................38
6.1.14 Troubleshooting on Bus Coupler ...................................................................................................39
6.1.15 Coupler Block Diagram...................................................................................................................40
6.1.16 Wall Box Connections (Rear)..........................................................................................................40
6.1.17 Connecting the Wall Box to the Predecessor Wall Cable ..............................................................41
6.1.18 marTouch® Wall Box Connections (Front).....................................................................................41
6.1.19 marTouch® Wall Box Pin Assignment ............................................................................................42
6.2 COM Interface (RS232) ..................................................................................................... 43
6.2.1 Connecting the COM Interfaces.....................................................................................................43
6.2.2 COM Interfaces marLED® and surgiCam on Ceiling Tube from HW 37 .........................................44
6.2.3 COM Interfaces for Separate Installation HW 30 – HW 36............................................................45
6.2.4 COM Interfaces for Separate Installation up to HW 09 .................................................................46
6.2.5 Pin Assignment X2 (CAN, RS232) ...................................................................................................47
6.3 CAN Bus Cabling up to HW 09........................................................................................... 47
6.3.1 Overview of Camera System surgiCam HD, Cable and Connection Options .................................48
6.4 Addressing......................................................................................................................... 49
6.4.1 DIP Switches for CAN Addresses and Terminating Resistors.........................................................49
6.4.2 DIP Switches SW6 for CAN Addresses and Configuration..............................................................49
6.4.3 DIP switch SW1 marLED® for Terminating Resistor.......................................................................50
6.4.4 DIP switch SW1 surgiCam ..............................................................................................................51
6.4.5 CAN Address Setting from HW 30..................................................................................................51
6.4.6 Setting of the CAN Addresses up to HW 09 ...................................................................................52
7Central Bearing Shaft/Tracking Arm/Spring Arm Wiring .......................................53
7.1 Central Bearing Shaft (Slip Rings)......................................................................................53
7.1.1 Replacing the Contact Block ..........................................................................................................53
7.1.2 Checking the Voltage on Tracking Arm..........................................................................................54
7.2 Tracking Arm/Spring Arm from HW 30.............................................................................57
7.2.1 Tracking arm/ceiling tube ..............................................................................................................57
7.2.2 Circuit Diagram for 3-Pole Tracking Arm marLED® E9, E9i, E15 (battery) .....................................58
7.2.3 Circuit Diagram for 3-Pole Tracking Arm marLED® E3 ...................................................................58
7.2.4 Circuit Diagram for 5-Pole Tracking Arm with Wall Control Panel ................................................58
7.2.5 Circuit Diagram for 9-Pole Tracking Arm with Wall Control Panel and surgiCam HD/SD..............59
7.3 Tracking Arm/Spring Arm up to HW 09 ............................................................................ 62
7.3.1 Circuit Diagram for 5-Pole Tracking Arm with Wall Control Panel ................................................62