Leica M500 N, Service Manual

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Service manual M500 N, M520, M525 Description
Doc Code 10 665 751
1-9
08/2007 Gahe
Optics carrier
Blockdiagram motorcontroller M500 N, M520
Addition for motorcontroller M525:
Powering
The optics-carrier is powered via the CAN-bus cable with +24VDC.
Power consumption is appr.
50mA in wait state,
150mA when one motor is running;
500mA when both motors, focus and zoom are blocked.
A DC/DC converter on the motorcontroller de5V for logic supply. The +24VDC is measured on the controller
board with the microprocessor analog input. It can be asked in the diagnostic menu of the control unit.
Prozessor
H8/532
CAN-
Controller
82527
Zoom-
Motor Driver
EEPROM
Reset
24V
5V
CAN
CAN-Res.
Zoom
P2
P3
CAN-
Trans.
120E
Multifoc
MEM3200
Universal
Counter
Multifoc-
Motor Driver
P4
P5
EPROM
128Kx8
P6
P7
P1
MF off
Option
Service
On-chip
RAM
1kx8
On-chip-
Peripherals,
W atchdog
PWM
PWM
+24V
+24V
SCI
motcontr.ds4
5V
Iris
P8
PWM
Iris
Motor Driver
+24V
P10
CAN
P9
Iris control