Manual ME-582x Series
Revision 0.9
5 Appendix
page 34
Meilhaus Electronic
Operating modes
single
Counters
Number
3 x 16 bit (1 x 82C54)
Opto-isolation
yes (dimensioning of the I/O level for 24 V)
Counter-clock
up to 300 kHz by external source
…with Opto-Isolation
Measured
Quantity/Criterion
Condition/Explanation Value
Reference ground
isolated from PC ground GND_EXT
External supply for
opto-couplers
U
ext
24…30 V
Level for Counter Outputs (OUT_x)
Type
“Open Collector”
U
Lmax
U
ext
I
Out
max. 30 mA
Level for Counter Inputs CLK_x, Gate_x)
Logic level
inverted by opto-
couplers
low-active
I
F
7.5 mA
≤ I
F
≤ 10 mA
U
IL
max. 0.8 V
U
IH
24..30 V, max. U
ext
Interrupt
Measured
Quantity/Criterion
Condition/Explanation Value
Interrupt sources
passed directly to
the PC
bit-pattern change
bit-pattern compare
General Data
Measured
Quantity/Criterion
Condition/Explanation Value
Power supply
PXI-Express
+3,3
V (via PXIe-Bus)
PCI-Express
+3.3 V (via PCIe-Bus)
PXI-Epress
0.8…1.2 A (full-load)