Classification: Totalizing Counter.
Input signal system (Count & reset inputs): Contact/Transistor.
Mounting method: Flush mounting, surface mounting.
Display: 7-segment LEDs (10 mm high).
Number of digits: 4 digits (0 to 9,999).
Backup power for memory protection: Yes.
Control output: --.
Operating mode: Up counting H7EC-NV-B  PDF.
Max.counting speed: 5 kcps (see note 1.).
All Required Counter Functions H7EC-NV-B 
Incorporated in a Compact DIN-sized.
(48 × 48) Housing.
In addition to Up and Down models, a reversible (Up-Down),
counter is also available.
Maximum counting speed of 5,000 cps, never before attained by,
a small-size preset counter.
Power supply freely selectable within a range of 100 to 240 VAC H7EC-NV-B  PDF.
Also, power supply for the DC-operated models is selectable,
within a range of 12 to 48 V.
Models with memory backup function against power failure available. Installation method: surface mount, embedded mounting (common).
Action: power on delay action.
Action mode / reset mode: time limit action / auto reset.
Set lock mechanism.
External connection mode: 8P socket.
Time limit contact: 1c H7EC-NV-B  PDF.
Instantaneous contact: 1c.
1 timer to achieve AC/DC free power,
8 action functions 0.1 seconds to 9990 hours.
Through time display windows wide, eye-catching.
Free power mode using AC24 ~ 240V/DC12 ~ 240V.
And the DC specification does not have to specify the polarity.
8 action functions can be selected by the action function switch.
Combined operation of time setting switch and time unit switch,
Achieve 0.1 seconds to 9990 hours rangeTimer input: AC/DC multi-voltage input(24 to 240 VAC/VDC).
Display: 7-segment LCD.
Time range: 999h59min59s ←→ 9999h59.9min(switchable); Black body.
Seven digits, time range 0 to 3999d23.9h.
Dual time range: 999999.9 ←→ 3999d23.9h or,
999h59m59s ←→ 9999h59.9m. Classification: Preset Counter.
Input signal system (Count & reset inputs): Contact, Transistor.
Mounting method: Flush mounting, surface mounting.
Display: 7-segment LEDs (10 mm high), Up indicator.
Number of digits: 4 digits (0 to 9,999).
Backup power for memory protection: No.
Control output: Contact (SPST-NO).
Operating mode: Up counting.
Max.counting speed: 5 kcps (see note 1.).
All Required Counter Functions.
Incorporated in a Compact DIN-sized.
(48 × 48) Housing.
In addition to Up and Down modeels, a reversible (Up-Down),
counter is also available H7EC-NV-B  datasheet.
Maximum counting speed of 5,000 cps, never before attained by,
a small-size preset counter.
Power supply freely selectable within a range of 100 to 240 VAC.
Also, poweer supply for the DC-operated models is selectable,
within a range of 12 to 48 V H7EC-NV-B  datasheet.
Models with memory backup function against power failure available.