Function and Application
The NJJ7-H counter relay is suitable for AC frequency of 50Hz, rated control voltage up to 240V, and DC rated control power supply voltage up to 240V in control circuits for counting and count control.
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| 3 Main Parameters and Technical Performance | Rated Control Circuit Power Supply Voltage | AC/DC100V-240V 50Hz; DC24V |
| Rated Control Circuit Power Supply Voltage Fluctuation Range | 85%-110% |
| Electrical Life | 1×10⁵ |
| Mechanical Life | 1×10⁶ |
| Output Method | 1 set of changeover contacts |
| Contact Capacity | Ue/le: AC-15 220V/0.75A, 380V/0.47A; DC-13 220V/0.27A; Ith: 5A; |
| Number of Counting Digits | 6-digit counter relay (upper 6 digits LCD for count value, lower 6 digits LCD for preset value) |
| Counting Speed | 1 time/second, 30 times/second, 1000 times/second (adjustable) |
| Counting Method | Add, Subtract Reverse A, Reverse B, Reversible C |
| Input Signal | Switch input, sensor input (NPN type/ PNP type adjustable) |
| Adjustable Setting | Adjustable range 0.001-99.999 |
| Output Mode | N, F, C, R, K, P, Q, A |
| Output Time | Adjustable output time 0.01s-9.99s (when output mode is C, R, K, P, Q, A) |
| Environmental Temperature | -5℃~+40℃ |
| Power Consumption | 3VA |
| Installation Method | Panel Mount |
| Power Failure Memory | 10 years or more (adjustable) |
