Hengstler Signo 721.2, User Manual

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154
Pulse form any desired form (at max. frequency square 1:1)
Input resistance approx 10 kOhm
Clock frequency max. 60 kHz (TTL 20 kHz): single-channel counting
max. 60 kHz (TTL 20 kHz): Differential counting and totalizing
channel (A+B together)
max. 30 kHz (TTL 20 kHz): phase discriminator
single or double evaluation
max. 15 kHz (TTL 15 kHz): phase discriminator, quadruple
evaluation
damped (attenuated) 30 Hz
-> Please pay attention to graphics on page 158
Pulse duration min. 17 ms ( 30 Hz); 8 µs (60 kHz)
Prescaler 0,0001 - 9,9999
Reset manual reset via keyboard,
external reset via static or dynamic programming; pulse length min. 5 ms,
automatic reset after reaching Preselect 2,
(No pulse losses at max. counter frequency due to automatic reset function).
via application input (programmable)
Display and Preset Range - 99 999 up to + 99 999
Signal times 0,01 s to 599,99 s or bistable programming;
tol 10 ms
7 Technical Data