Manual ME-582x Series
Revision 0.9
5 Appendix
page 33
Meilhaus Electronic
Frequency Input/Output
Availability
alternative subdevice configuration via ME-iDC
Signal-form
rectangular
Frequency Measuring Channels
Measured
Quantity/Criterion
Condition/Explanation
Value
Reference ground
isolated from PC ground
GND_EXT
Number of
channels
ME-5820
(FI_A0…3)
4 inputs
(opto-isolated)
ME-5821
(FI_A0…3) and
(FI_C0…3)
8 inputs
(opto-isolated)
Input-level
see digital I/O
Input-current
see digital I/O
Period (T)
T
min
. =T
min.asym.=
T
min.sym
.
T
max.asym
T
max.sym
3.3
μ
s (300 kHz)
16.25 s (0.06 Hz)
32.5 s (0.03 Hz)
Duty-cycle
variable, depending on T
measurable in steps of
1 tick
Resolution
1
tick
15.15 ns
Accuracy
± 15.15 ns
Operating modes
single
Pulse Generator Channels
Measured
Quantity/Criterion
Condition/Explanation
Value
Reference ground
isolated from PC ground
GND_EXT
Number of
channels
ME-5820
(FI_A0…3)
4 outputs (opto-isolated)
ME-5002
(FI_A0…3) and
(FI_C0…3)
8 outputs (opto-isolated)
Output level
sink or source driver
see digital I/O
Period (T)
T
min
. = T
min.asym.=
T
min.sym
.
T
max.asym
T
max.sym
0.3 ms (300 kHz)
16.25 s (0.06 Hz)
32.5 s (0.03 Hz)
Duty-cycle
variable, depending on T
to be set in steps of 1 tick
Resolution
1
tick
15.15
ns
Accuracy
± 15.15 ns