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6. Function blocks
6.1 Manufacturer function blocks
Note on the minimum time setting:
If a time value is less than the program cycle time, the elapsed
time will not be recognized until the next cycle. This may cause
unforeseeable switching states.
Analog value and timing relay setpoint
If you wish to use variable values as a timing relay setpoint, such as an analog input,
the following conversion rules apply, depending on the time base configured.
S time base
Equation: Time setpoint = ( Variable value/10) in [ms]
Variable Value
Time setpoint
in [s]
Time setpoint
in [mm:ss]
Time setpoint
in [hh:mm]
0
(Minimum)
00:000
00:00
00:00
100
00:108
01:04
01:04
300
00:308
05:00
05:00
500
00.507
08:02
10:06
4095 (Maximum)
04:099
68:15
68:15
M:S time base
Rule: Time setpoint = Variable value/60
Integer
=
Number of minutes,
Residual
=
Number of seconds
Time base H:M
Rule: Time setpoint = Variable value/60
Integer
=
Number of hours,
Residual
=
Number of minutes,
You can only use analog values as setpoints if the value of the
analog input is stable. Fluctuating analog values impair a repro-
ducible timing response.
Signal Diagrams
The fact that the function block features various operating modes means that it can
work in more than one way as shown below.
How the timing relay works with the on-delayed operating mode with and without
random times
Random switching
The contact of the timing relays switches randomly within the SETPOINT value range.
easyE4
11/18 MN050009 EN www.eaton.com
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Содержание easyE4 series
Страница 1: ...Manual 11 18 MN050009 EN easyE4 Manual...
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Страница 22: ...0 1 About this manual 18 easyE4 11 18 MN050009 EN www eaton com...
Страница 40: ...1 easyE4 control relays description 1 10 Safety regulations 36 easyE4 11 18 MN050009 EN www eaton com...
Страница 169: ...easyE4 11 18 MN050009 EN www eaton com 165...
Страница 462: ...6 Function blocks 6 4 Timing and counter relay example 458 easyE4 11 18 MN050009 EN www eaton com...
Страница 490: ...7 System settings 7 16 Time and Date setting 486 easyE4 11 18 MN050009 EN www eaton com...
Страница 520: ...9 easyE4 inside 9 7 NET network 516 easyE4 11 18 MN050009 EN www eaton com...
Страница 524: ...10 Diagnostics messages of the operating system 10 2 Diagnostics buffer 520 easyE4 11 18 MN050009 EN www eaton com...
Страница 570: ...11 Connection to other devices 11 6 E mail function 566 easyE4 11 18 MN050009 EN www eaton com...
Страница 578: ...12 Faults 12 4 Functionality of the NET faulty 574 easyE4 11 18 MN050009 EN www eaton com...
Страница 582: ...13 Maintenance 13 3 Storage transport and disposal 578 easyE4 11 18 MN050009 EN www eaton com...
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