20 – 348 HEIDENHAIN Service Manual iTNC 530
Battery box If available, you can investigate whether the analog servo amplifier can be operated with a
"Battery box" (not a HEIDENHAIN unit).
This battery box replaces the control and provides the analog servo amplifier with a nominal
speed value of ±10 V.
(The controller enabling on the servo amplifier must be available. --> If necessary, ask the
machine manufacturer!)
Measuring setup
with test adapter
If available, you can connect the test adapter between connection X8 or X9 of the MC and the
nominal speed value cable. Connect a multimeter to the corresponding banana jacks of the test
adapter.
Assignment for the analog channels. --> See “X8: Analog output 1 to 6” on page 27 – 459, See
“X9: Analog output 7 to 13” on page 27 – 459.
Specifications of
the analog channels
Load capacity: R
L
≥ 5 kΩ, I ≤2 mA, C
L
≤ 2 nF
Short-circuit stability: One output short-circuit proof at a time
Voltage range: U
amax
= +10 V ± 100 mV
U
amin
= -10 V ± 100 mV
Resolution: 14 bit = 16 384 steps
Smallest step:
10V
16384
--------------- 0,610 mV=
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