Appendix A
Appendix A Technical Specification A
-47
A.20 ADAM-4080D Counter/Frequency Input Module with
LED Display
Table A-24 ADAM-4080D Specifications
Input channels 2 independent 32-bit counters
Input frequency 50 kHz maximum
Input mode Isolated or non-isolated
Isolation input level
Logic level 0
Logical level
+1 V max
+3.5 V to +30 V
Isolation voltage 2500 V
RMS
Non-isolation input level
Logic Ievel 0
Logic level 1
Programmable threshold
0 to +5 V (default = 0.8 V)
0 to +5 V (default = 2.4 V)
Input pulse width >10 sec
Maximum count 4,294,967,295 (32 bits)
Programmable digital
noise filter
2 sec to 65 msec
Alarming High and Low comparators on counter 0
Frequency Measurement
Range
Programmable built-in
gate time
5 Hz to 50 KHz
1.0/0.1 sec
Display LED indicator 5-digit readout; CH 0 or
CH 1 (programmable)
Digital Output Channels
Sink current
Power dissipation
2 channels Open collector to 30 V
30 mA max. load
300 mW
Support protocol ADAM ASCII
Watchdog timer
1.6 second (System)
Power requirements +10 to +30 V
DC
(non-regulated)
Power consumption 2.0 W @ 24 V
DC
