HEIDENHAIN ITNC 530 Service Manual

17 – 264 HEIDENHAIN Service Manual iTNC 530
17.3 Buffer Battery
Introduction The buffer battery ...
 Is the power source for the RAM when the machine is switched off.
 Is located inside the MC.
 Has a rated voltage of 3 V.
 Has a typical service life of 3 to 5 years.
For safeguarding the RAM, an additional capacitor (Gold cap) was integrated onto the PCB of the
iTNC. This capacitor stores the RAM content for approx. one day without batteries.
The following information is stored in the battery-buffered memory:
 Non-volatile PLC operands
 Most recent log entries
 Information about the trace function
 Information about program interruption
 Information from absolute encoders with EnDat interface
 Information about the boot process
 Information about errors
Message
Figure: "Exchange buffer battery" message after power-on
Caution
If the voltage of the buffer battery falls below 2.6 V the error message
Exchange buffer battery appears.
The error message is activated every 30 minutes.
Exchange the buffer battery as soon as possible!

HEIDENHAIN ITNC 530 Specifications

General

Control Type	CNC
Look-ahead	Yes
Spindle control	Yes
Touch probe cycles	Yes
Operating voltage	24 V DC
Programming	Conversational and DIN/ISO programming
Interpolation	Linear, Circular, Helical
Data Interface	Ethernet, USB, RS-232
Memory	1 GB
Programming Language	HEIDENHAIN plain language
Operating Modes	Manual, Automatic, MDA
Software Options	Various software options available