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Bcd data interface (x33) – HEIDENHAIN ND 282 B User Manual

Page 28

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28

Triggering the “Contact” and “Pulse” inputs at D-sub
connection EXT (X41)

BCD Data Interface (X33)

Pin 1(0V)

Pin 23

Pin 22

Pin 1(0V)

EXT(X41)

EXT(X41)

Signal run times

The times in the following table are guide lines.
If you are working with slow data output and are using display
functions at the same time (e.g. measurement series or inch display),
the actual signal run times can be twice as long as given here.

Concurrent Data Output (P55 ACTL)

Operating

mode

P53

Latch rate

Data output after

fast

FAST

P54

Value from P54 / 2

slow

SLOW

t

£ 30 ms

t

£ 8 ms

Data output after external latching

(P55 STOP or HOLD)

Operating P53

Minimum

Measured value

mode

impulse length

latched after

Pulse/

Contact BCD

Pulse

Contact

BCD

fast

FAST

3 µs

7 ms

0.3 µs 1.1 µs

4.8 ms

slow

SLOW

t

³ 8 ms t ³ 13 ms 0.3 µs 1.1 µs

4.8 ms

Data output

Relatch after
Pulse/

Contact

BCD

fast

FAST

£ 0.3 µs after internal

3 µs

7 ms

latching

slow

SLOW

£ 7.5 ms after internal

3 µs

7 ms

latching