Eaton easyE4

6. Function blocks
6.4 Timing and counter relay example
Move the cursor ↓ downwards until you see the value QV.
Switch input IS05. The ACTUAL value changes.
C 01 +
>SH +10
>SL +0
>SV +0
QV>+0
Fig. 294: Testing the circuit diagram
If the ACTUAL and upper SETPOINT values of the counter are the same, the timing
relay switches the warning light on and off every 2 seconds.
C 01 +
>SH +10
>SL +0
>SV +0
QV>+10
Fig. 295: Testing the circuit diagram +10
Doubling the flashing frequency:
Select the power flow display T 01 and change the constant of the setpoint time
to 001,000.
When you press OK, the warning light will flash at twice the frequency.
T 01 n S +
>I1 002,000
>I2 002,000
QV> 0.550
Fig. 296: Doubling the flashing frequency
If the setpoint is a constant, it can also be modified via the PARAMETERS menu.
The actual value is only shown in RUN mode.
See also
 → Section "C - Counter relay", page 304
 → Section "CF - Frequency counter", page 310
 → Section "CH - High-speed counter", page 316
 → Section "CI - Incremental counter", page 322
618
easyE402/24 MN050009ENEaton.com