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Counters
OMRON provides Preset Counters, Totalizing Counters, Time Counters and Electromagnetic Counters.
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Counter Inrush Current (Major Models)Counter Inrush Current (Major Models)
"---" indicates a constant current and therefore the corresponding values are omitted from the table. All the values are approximate values and should therefore only be used as a guide.
| Model | Voltage | Applied voltage | Inrush current (peak value) | Time * |
| H7AN series | 100 to 240 VAC | 264 VAC | 23 A | 1 ms |
| 12 to 24 VDC | 26.4 VDC | 15 A | 6.5 ms | |
| H7BX series | 100 to 240 VAC | 264 VAC | 7.6 A | 2 ms |
| 24 VAC or 12 to 24 VDC | 26.4 VAC | 13.5 A | 2 ms | |
| H7CN series | 100 to 240 VAC | 264 VAC | 800 mA | 1 ms |
| 12 to 48 VDC | 52.8 VDC | 400 mA | 1 ms | |
| H7E series | --- | --- | --- | --- |
| H7CX-A[]-N series | 100 to 240 VAC | 264 VAC | 4.9 A | 0.9 ms |
| 24 VAC or 12 to 24 VDC | 26.4 VAC | 9.3 A | 1.4 ms | |
| 26.4 VDC | 6.2 A | 1.7 ms | ||
| H7CX-A[]D-N series | 24 VAC or 12 to 24 VDC | 26.4 VAC | 9.2 A | 1 ms |
| 26.4 VDC | 6.3 A | 1 ms | ||
| H7CX-A series (previous models) | 100 to 240 VAC | 264 VAC | 5.8 A | 0.7 ms |
| 24 VAC or 12 to 24 VDC | 26.4 VAC | 10.4 A | 1.2 ms | |
| 12 to 24 VDC | 26.4 VDC | 6 A | 1.2 ms | |
| H7CX-R series (previous models) | 100 to 240 VAC | 264 VAC | 5.8 A | 0.7 ms |
| 24 VAC or 12 to 24 VDC | 26.4 VAC | 10.4 A | 1.2 ms | |
| H7CZ series | 100 to 240 VAC | 264 VAC | 4.6 A | 0.4 ms |
| 24 VAC or 12 to 24 VDC | 26.4 VAC | 9.2 A | 1 ms | |
| 26.4 VDC | 6.3 A | 1 ms | ||
| H8BM-R series | DC 24V | 26.4 VDC | 1.6 A | 12 ms |
*The time of the inrush current is measured in the range shown in the following waveform.
Top of pageOperation When Counter Set Value Is 0
| Model | Operation |
| H8GN H7AN H7CN | Instantaneous output when power is turned ON. Output OFF during reset input. |
| H7BX | In output mode N or F, instantaneous output when power supply is turned ON and turns OFF during the reset input. In any other mode, instantaneous output turns and then turns OFF after the one-shot time has elapsed. In mode K-1, output turns OFF after the one-shot time for output 2 has elapsed even if output 1 is set to be self-holding. |
What Is a Time Counter?
A Time Counter counts time and displays the length of time that has been counted. Time Counters are also called Total Time Meters or Hour Meters. Hours is not the only unit available, and time can be displayed in minutes, seconds, or in some cases even days. A Time Counter is not a Timer. You set a specific time with a Timer and an electrical signal is output when that time has elapsed. With a Time Counter, you do not set a time. It simply totals the time and displays that total. If you were to define the two in terms of Timers, then a Timer would be a Preset Timer and a Timer Counter would be a Total Timer. The Time Counter, however, has historically been classified as a Counter.
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