No Power Digital Counter

Operating mode

Up type

Mounting method

Flush mounting

External connections

Note 1: Screw terminals are available, and there is also the option to use wire-wrap terminals.
Wire-wrap terminals are provided as an alternative to screw terminals (refer to note 1). User preference and application requirements can determine the choice between the two. Screw terminals are commonly used for secure connections in electrical and electronic systems, allowing for easy insertion and removal of wires. On the other hand, wire-wrap terminals offer a different mechanism, where stripped wire ends are wrapped around a terminal pin using a dedicated tool, providing a reliable and gas-tight connection. The decision to use screw terminals or wire-wrap terminals depends on factors such as space constraints, desired ease of use, and specific industry standards. Both options offer their own advantages and can be selected based on individual needs.

Reset

External/Manual reset

Number of digits

8

Count input

PNP/NPN universal DC voltage in-put

AC/DC multi-voltage input

No-voltage input

Display

This LCD features a 7-segment display with an option for backlighting. The character height is 8.6 mm, and it is designed with zero suppression. (Note 2: Please refer to the details). To comply with your request, the following content has been generated by utilizing the original information but rearranging it to create a distinct passage.

Max. counting speed

30 Hz/1 kHz

Case color

Light gray

Approved standard

This instrument is compliant with EN61010-1/IEC61010-1 standards, which specify a maximum level of pollution and overvoltage category III.

Supply voltage

Only for backlight Powered by built-in battery

Not required (powered by built-in battery

Count input

The input voltage range for this device is 0 to 2 VDC with an input impedance of approximately 4.7 kΩ. On the other hand, the high-level voltage range is between 4.5 to 30 VDC. These voltage levels represent the logic levels of the device and are crucial to its proper functioning. It is vital to ensure that any input voltage falls within the designated voltage range to prevent damage to the device and ensure accurate results.

The high-level logic operates between 24 to 240 VAC/VDC with a frequency of 50/60 Hz. On the other hand, the low-level logic functions within the range of 0 to 2.4 VAC/VDC, also at a frequency of 50/60 Hz. It is essential to rearrange and rephrase the above information to generate content that reflects the original text accurately.

The maximum short-circuit impedance should not exceed 10 kΩ, and the residual voltage in this case should not be more than 0.5 V. On the other hand, for minimum open impedance, it is necessary to ensure it is above 750 kΩ. These specifications outline the requirements for voltage input in the given context.

Reset input

The maximum short-circuit impedance allowed for input voltage is 10 kΩ, while the residual voltage for short-circuits should not exceed 0.5 V. At the same time, the minimum open impedance for the circuit should be at least 750 kΩ. These are important parameters to consider for ensuring the proper functioning of the circuit.

Max.counting speed (see note)

30 Hz or 1 KHz (Switchable with switch)

Minimum signal width

20 Hz: 25 ms 30 Hz: 16.7 ms 1 KHz: 0.5 ms

Reset system

External reset and manual reset: Minimum signal width of 20 ms

Terminal screw tightening torque

0.98 N·m max

Ambient temperature

Operating: –10°C to 55°C (with no condensation or icing) Storage: –25°C to 65°C (with no condensation or icing)

Ambient humidity

Operating 25% to 85%