H7CC-R11WD datasheet(57/66 Pages) OMRON

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H7CC-R

Replacement Time Notification Function

The counter includes parts such as electrolytic capacitors and relays

that deteriorate with time or with repeated operations.

The H7CC is equipped with a function for notifying the replacement

time by the cumulative run time and ON count of the relay contact.

When either one of the deterioration of the electrolytic capacitors due

to the cumulative run time or the deterioration of the relay contact due

to the output ON count reaches the replacement time, Rplc

(REPLACE) can be displayed on the Timer. For details on RPLC

display, refer to Self-diagnosis Function on this page.

Cumulative Run Time Alarm Set Value (ot-a)

The cumulative run time can be set in a range from 0.0 to 99.9 years.

The Replacement Time Notification Function is disabled if 0 is set.

10 years is set in the default settings.

If the cumulative run time reaches the alarm set value or above, an

RPLC (replacement time) error can be displayed on the Timer.

The extent of deterioration of electrolytic capacitors varies depending

on the capacitor temperature and usage period. According to the

default settings, the ambient temperature is 35°C, the output load is

50%, and the utilization rate is 100%. If you are changing the actual

usage conditions, enter the ambient temperature, output load, and

utilization rate in the H7CC replacement time calculation tool

available on the OMRON website to calculate the appropriate

cumulative run time when the deterioration of electrolytic capacitors is

expected.

Output ON Count Alarm Set Value (on-a, on1a, on2a)

Set the alarm value for the output ON count.

The limit can be set between 0×1000 (0 times) and 9999×1000

(9,999,000 times). Only the underlined values are set. The alarm will

be disabled if 0 is set.

100,000 times is set in the default settings.

If the total output ON count reaches the alarm set value or above, an

RPLC (replacement time) error can be displayed on the Timer.

Self-diagnostic Function

The following displays will appear if an error occurs.

*1. This includes times when the life of the non-volatile memory has expired.

*2. Occurs when the measurement value reaches 999,999.

*3. Display flashes (1-second cycles).

*4. The normal display and Rplc will appear alternately.

When hold operation is performed, Rplc will not be displayed even if the alarm set value is exceeded. (Monitoring is possible, however,

because the counter will continue without the cumulative run time and output ON count being cleared.)

Rplc is displayed again if the power is turned OFF/ON after the Rplc display is cleared during recovery by the hold operation. If you do not

want to display Rplc when the power is turned OFF/ON, either change the alarm set value to the present value or above, or change the alarm

set value to 0 to disable it.

Main display

Sub-display

Error

Output status

Correction method

Set value

after reset

ffffff *3

No change

Measurement value overflow

No change

Measurement value

≤ 999999

No change

Not lit

CPU

OFF

Either perform hold operation or

reset the power supply.

No change

Not lit

Memory error (RAM)

OFF

Turn ON the power again.

No change

sum

Memory error (non-volatile memory)

OFF

Hold operation

Factory setting

Rplc *4

No change

The cumulative run time or output ON

count reaches the replacement time

No change

Hold operation

No change

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