Gefran 556: Quartz Timer, Counter, Frequency Meter
Stock Code:
SKU: product options
- Input from mechanical contact, 2/3-wires proximity switch or AC voltage
- Timer, counter, frequency meter configurable
- Six time scales, 1msec resolution
- Five counter prescalers
- Quartz timer
- Double display
- Count back-up on EEprom at power off
The Gefran 556 is configurable for many different functions and is designed for reliability in industrial enviroments.
The double display and minimum size make for a timer, counter or frequency meter. The display can be expressed in the engineering units o the count effected using one of the five prescaler ranges. As a timer, it has six scale ranges from hundredths of a seconde to hours and minutes.
Main applications:
- Timer
- Double timer
- Cycle timer
- Up/down counter
- Cycle counter
- Revolution counter
- Frequency meter
The model 556 is configurable for many different functions and is designed for reliability in industrial environments. The double display and minimum size make it the ideal choice for every requirement for a timer, counter or frequency meter.
| Inputs: | Isolated 1500V (with reference to logic ouput, for Vacpower supply only). The unit has three inputs enabling the following functions: Counter input, timer/ Counter reset, Up/Down or Start/ Stop, Hold Maximum frequency with 50% duty cycle: - type 2 inputs: fmax=100Hz - type 1 inputs: fmax= 1KHz - type 0 inputs: fmax= 5KHz |
| Types: | |
| Mechanical contact: | from a voltage free in open/closed configuration |
| Proximity swich: | 2/3-wires NPN |
| Logic: | OFF ? 1Vdc, 3mA; 10 Vdc < ON < 50 Vdc |
| Outputs: | |
| Relay: | with rating 5A/250Vac at cos?= 1 (3.5A at cos?=0.4) Spark suppression on the NO contact |
| Power supply: | 110/220 Vac/dc ± 10% 120/240Vac ± 10% 24/48Vac ± 10% 24Vdc ± 10% 50/60Hz;5VA max. |
| Transmitter supply: | 12Vd, 30mA |
| Working temperature: | 0 to 50ºC |
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