Novexx Solutions ALX 92x, Service Manual

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06/16 Rev. 04 SERVICE MANUAL Service Electronics Gen. 3
64-xx Gen. 3 – DPM Gen. 3 – PEM – ALX 92x Gen. 3 – ALX 73x (PMA)
34
Replacing the controller
A firmware update for controller versions older than V6-T36 can only be done
by replacing the controller [15A].
Article number of the controller with the most recent firmware: A3379.
Version check Displaying the current controller version:
SERVICE DATA > >MODULE FW VERS. >
USI interface
.
[15] The controller (A) contains the USI firmware.
Controller
replacement
1. Switch the printer off, pull out the mains connector.
2. Open the rear hood.
See topic section Service Mechanics

, section „Housing“, chapter
„Rear hood“.
3. Take the controller [15A] out of the socket.
4. Insert the new controller into the socket.

The dent in the controller housing must show in the pictured direction!
CAUTION
In previous versions of this document, the external voltage supply of the USI
was described.
External voltage supply without external current limiting elements is no
longer permitted (risk of fire)
a
.
In case of applications that externally supply voltages, a current limiting
element
must be provided by the system integrator.
Examples of suitable current limiting elements in the supply circuit are:
• Poly fuse with UL 1434 approval
24 VDC: I
hold
= 650 mA; U
min
= 30 V
5 VDC: I
hold
= 650 mA; U
min
= 6 V
• Micro fuse according to IEC EN 60127
24 VDC: T 630 mA L 250 V
5 VDC: T 630 mA L 250 V
a) Due to an update of EN 60950-1.
Z
015
1.
cd
r
A