Hardware Manual COMBILOG 1020
55
Frequency Measurement
Anschlußschema
I/O 1
0 V
Schaltung
+10 .. 18 VDC
f
0 V
f
TH. FRIEDRICHS & CO.
D I G I T A L
I/
O
1
0
V
I/
O
2
0
V
I/
O
3
I/
O
4
I/
O
5
0
V
I/
O
6
0
V
0
V
0
V
I/O 1
Figure 5.11
Frequency measurement
I/O 1
time base
TB
TB
TB
counting
1
2
3
1
2
3
1
2
3
1
measurand
(TB = 5 sec)
signal diagram:
- high level:
TB
TB
TB
1
2
1
1
2
- low level:
0,6 Hz
0,6 Hz
0,6 Hz
0,4 Hz
0,2 Hz
0,4 Hz
pulse
I/O 1
time base
counting
measurand
(TB = 5 sec)
pulse
connection scheme
circuit
Connection scheme
Circuit
Signal diagram:
Summary of Contents for COMBILOG 1020
Page 1: ...COMBILOG 1020 Datalogger Hardware Manual Version 3 09...
Page 2: ...Hardware Manual COMBILOG 1020 2 Issue 03 11 2005 Technical data are subject to change...
Page 4: ...Hardware Manual COMBILOG 1020 4...
Page 6: ...Hardware Manual COMBILOG 1020 6...
Page 12: ...Hardware Manual COMBILOG 1020 12...
Page 86: ...Hardware Manual COMBILOG 1020 86 Bild 8 1 Example Master Slave System...
Page 169: ...Hardware Manual COMBILOG 1020 169...
Page 170: ...Hardware Manual COMBILOG 1020 170...