DRC D 1000LF, Руководство по эксплуатации, Страница: 64 / 102

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6. Functions of Analog Output
A brief description of analog output functions is presented in the following table:
GATE 1 GATE 4 AUOT1 Voltage Value mapping
ON not ES+AUX self-test sine burst 1 MHz 1.35V ±1V
ON+AUX not ES+AUX Gate1 echo flank position 0 to 2.7V Gate1 [- ---- -]
Max
value if
no echo
ON+A/TTL not ES+AUX Gate1 echo flank position 0 to 2.7V Gate1 [- ---- -]
any ES+AUX S-echo position 0 to 2.7V Gate1 [- ---- -]
GATE 1 GATE 2 AOUT2 Voltage Value mapping
ON any
Undefined
(used internally for ver.C)
4.1V
ON+A/TTL any Gate1 eco logic TTL output 0V / 4.7V no echo / echo
ON+AUX OFF Gate1 echo amplitude 0V to 4.1V 0 % - 100 % screen
ON+AUX Thickness Gate1-Gate2 Thickness 0V to 4.1V 0 to BSCAN_MAX
TTL OUT Voltage Value mapping
Firmware since Jan 2012 Sync pulses with PRF freq. 0V / 4.7V
Positive pulse on
cycle start, 10
µ
s
duration, falling
edge matches TX
pulse
6.1 Analog Output of Thickness Measurement
Analog output of measured thickness is enabled, when the GATE 1 is switched to the
ON+AUX mode, and GATE 2 is switched to any thickness measuring mode.
Signal with voltage corresponding to thickness measured in each cycle is present on
AOUT2 output (LEMO Analog Output – see 1.7 and 2.1) as follows:
-
minU=0mm;
-
maxU=[BSCAN MAX]mm – value BSCAN MAX, which had been set in BSCAN
menu – see 4.5;
-
if thickness had not been measured, there is maxU on the output.
NOTE: The cable with appropriate connector may be ordered as option.