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4 Wiring with
4.6 High-speed counters, -DA, -DC
102
Operating instructions
05/10 MN05013003Z-EN
www.eaton.com
4.6.1.5 Value range
The counter relay counts between 4 and 1000 [Hz].
Parameter display in RUN mode:
4.6.1.6 Retention
Setting retention on the frequency counter serves no purpose since the
frequency is continuously remeasured.
4.6.1.7 Function of the frequency counter
Figure 56:
Signal diagram of frequency counter
1: counter input I3 or I4
2: upper setpoint
3: enable coil CC…
4: reset coil RC…
5: contact (N/O contact) C… upper setpoint value reached.
tg
: gate time for the frequency measurement
• Range A: the counter is enabled. After a frequency above the setpoint was measured for the first time,
contact C15 (C16) switches.
• Range B: If the actual value falls below the setpoint, the contact is reset. The removal of the enable
signal resets the actual value to zero.
Current setpoint, constant (0246)
#
Contact has not switched.
â
Contact has switched.
Actual value (00153)
C15 F
+
S 00246
#
C:00153
1
2
3
t
g
t
g
t
g
t
g
t
g
t
g
t
g
t
g
4
5
t
g
A
B
C
D
Содержание easy500, easy700
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Страница 28: ...1 1 5 operating principles 24 Operating instructions 05 10 MN05013003Z EN www eaton com...
Страница 54: ...2 Installation 2 8 Connecting bus systems 50 Operating instructions 05 10 MN05013003Z EN www eaton com...
Страница 190: ...5 settings 5 10 Displaying device information 186 Operating instructions 05 10 MN05013003Z EN www eaton com...
Страница 210: ...7 What Happens If 7 3 Event 206 Operating instructions 05 10 MN05013003Z EN www eaton com...
Страница 234: ...9 Glossary of terms 230 Operating instructions 05 10 MN05013003Z EN www eaton com...