The Counting Relay HHJ4 Series is a 96×48mm panel counter range for higher-count machine and process counting. HHJ4-A provides forward/backward counting up to 999999, while HHJ4-D extends the range to 99999999 with contact, meter-wheel or PNP sensor input and configurable output delay.
Common Parameters
| Counting speed | high frequency 1000 times/second; low frequency 30 times/second |
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| Contact form | a group of normally open and normally closed contacts |
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| Contact capacity | 3A AC250V (resistive) |
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| Dimensions | 96×48×114mm |
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| Opening size | 92×45mm |
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| Installation method | panel type |
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| b) Level signal | pulse level (H: DC4V~30V valid, L: 0~DC2V invalid). |
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| c) | Sensor signal: photoelectric switch, proximity switch, Hall switch |
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| a)Low frequency counting | ≤30 times/sec, minimum signal pulse width >15ms;. |
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| b) High-frequency counting | ≤1000 times/sec, minimum signal pulse width >0.5ms, signal duty cycle is 50%. |
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| Rated working voltage Ue/rated working current Ie | AC-15 Ue:AC250V,Ie:3A for each category of use. |
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| Counting Signal | a) Relay contacts, travel switches, etc.; and b) Level signal: pulse level (H: DC4V~30V valid, L: 0~DC2V invalid). c):Sensor signal: photoelectric switch, proximity switch, Hall switch |
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| Counting frequency | a)Low frequency counting: ≤30 times/sec, minimum signal pulse width >15ms;. b) High-frequency counting: ≤1000 times/sec, minimum signal pulse width >0.5ms, signal duty cycle is 50%. |
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| Memory of power failure | 10 years |
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| Installation | Panel type |
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| Temperature range | -5°-40°C |
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| Altitude | ≤2000m |
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| Ith | 5A |
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| Ui | 400V |
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| Uimp | 2.5KV |
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| Ue/Ui | Rated working voltage Ue/rated working current Ie:AC-15 Ue:AC250V,Ie:3A for each category of use. |
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HHJ4-A
| Working power supply | DC24V; AC24V, AC220V, AC380V |
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| Working mode | forward counting, backward counting |
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| Counting range | (1-999999)×1, ×10, ×100 times |
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| Input signal | contact signal, PNP normally open photoelectric/proximity switch |
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| Output mode | N, C, F, X, R multi-standard |
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| Power failure memory | 10 years |
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| Operating power | AC380V, 220V, 110V50/60Hz, permissible voltage fluctuation range is (85%~110%) Ue; DC24V. |
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| Counting range | 1~999999(x1, x10, x100 magnification) |
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| Reset mode | Push-button reset or 8, four-terminal shorting reset. |
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HHJ4-D
| Working power supply | DC24V; AC220V, AC380V |
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| Working mode | positive counting |
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| Counting range | 1-99999999 |
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| Input signal | contact signal, meter wheel, PNP normally open photoelectric switch/proximity switch |
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| Output mode | C standard, power failure memory for 10 years |
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| Working mode | front delay: 0.1-9.99 seconds; rear delay: 0.01-9.99 seconds |
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| Operating power | AC220V50/60Hz, permissible voltage fluctuation range (85%~110%) Ue. |
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| Counting range | 1~99999999 |
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| Reset mode | long press R key for 3 seconds to reset |
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