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For Panasonic SF4D Series 20 mm Resolution 10 m Sensing Distance 150 mm to 1430 mm Protective Height Compact and robust Safety Light Curtain Replacement

Name: For Panasonic SF4D Series 20 mm Resolution 10 m Sensing Distance 150 mm to 1430 mm Protective Height Compact and robust Safety Light Curtain Replacement
Brand: DADISICK
SKU: 18446172
Rating: 4.75 (10 reviews)

For Panasonic SF4D Series 20 mm Resolution 10 m Sensing Distance 150 mm to 1430 mm Protective Height Compact and robust Safety Light Curtain Replacement

Categories	Panasonic Safety Light Curtains Replacement
Brand	DADISICK
Model	SF4D Series \| SF4D-H8, SF4D-H12, SF4D-H16, SF4D-H20, SF4D-H24, SF4D-H28, SF4D-H32, SF4D-H36, SF4D-H40, SF4D-H48, SF4D-H56, SF4D-H64, SF4D-H72
Series:	SF4D Series
Resolution:	20 mm
Scanning range:	0.2 - 15 m
Protective field height:	150 mm - 1430 mm
2 Safety outputs (OSSD):	2 PNP
Response time:	10 ms
Connection type:	M12
Security level:	PLe4
Update Time	Nov 21,2024

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For Panasonic SF4D Series 20 mm Resolution 10 m Sensing Distance 150 mm to 1430 mm Protective Height Compact and robust Safety Light Curtain Replacement Parameter

Brand	From network	DADISICK
Models	SF4D-H8	QT08-20-140 2BC/2BD
	SF4D-H12	QT12-20-220 2BC/2BD
	SF4D-H16	QT16-20-300 2BC/2BD
	SF4D-H20	QT20-20-380 2BC/2BD
	SF4D-H24	QT24-20-460 2BC/2BD
	SF4D-H28	QT28-20-540 2BC/2BD
	SF4D-H32	QT32-20-620 2BC/2BD
	SF4D-H36	QT36-20-700 2BC/2BD
	SF4D-H40	QT40-20-780 2BC/2BD
	SF4D-H48	QT48-20-940 2BC/2BD
	SF4D-H56	QT56-20-1100 2BC/2BD
	SF4D-H64	QT64-20-1260 2BC/2BD
	SF4D-H72	QT72-20-1420 2BC/2BD
Beam spacing	20 mm	20 mm
Protected altitude	150 mm, 230 mm, 310 mm, 390 mm, 470 mm, 550 mm, 630 mm, 710 mm, 790 mm, 950 mm, 1110 mm, 1270 mm, 1430 mm	140 mm, 220 mm, 300 mm, 380 mm, 460 mm, 540 mm, 620 mm, 700 mm, 780 mm, 940 mm, 1100 mm, 1260 mm, 1420 mm
Scanning range	0.2 m - 15 m	0.3 m - 10 m, 0.3 m - 15 m
Response time	10 ms	≤15 ms
Output method	2 PNP	2 PNP
Reliability and durability	IP65, IP67	IP65
Connector	M12	M16
Housing cross-section	28 mm x 30 mm	35 mm x 51 mm
Safety Certificate	UL, CE, TÜV, CSA, UKCA	TÜV, UL, CE, RoSH, GB
We are able to reproduce the specific connection configuration of each brand with high level of accuracy.

Product model display instructions

The brands and specifications shown on this page are for product selection only. Our safety light curtain is a safety part made by DADISICK, not official brand Panasonic's products. DAIDSICK offer replacement for official brand products. We are not the owner of the brands. If you need to buy official brand products, please contact the brand official representative.

Product recommendations

QT series safety light curtain

Model:

QT08-20-140 2BC/2BD, QT12-20-220 2BC/2BD, QT16-20-300 2BC/2BD

QT20-20-380 2BC/2BD, QT24-20-460 2BC/2BD, QT28-20-540 2BC/2BD

QT32-20-620 2BC/2BD, QT36-20-700 2BC/2BD, QT40-20-780 2BC/2BD

QT48-20-940 2BC/2BD, QT56-20-1100 2BC/2BD

QT64-20-1260 2BC/2BD, QT72-20-1420 2BC/2BD

Data sheet download

FAQ

Q: what is the interference solution for safety light curtains？ positioning and encoding.

A:

DADISICK, a highly sensitive protection device, is increasingly demonstrating strong momentum in its application within safety systems in the manufacturing industry. In some high-end manufacturing plants, large workstations have fully adopted two-dimensional or even three-dimensional protection systems.

More production equipment, in situations where frequent intervention is required, almost always choose to use safety light curtains as a solution after considering risks such as material splashing, sparks, and dust dispersion. The benefits of using safety light curtains are as follows:

1. The technology industry chain for sensitive protection devices is mature, with clear product classifications, and various resolution and safety performance levels can meet requirements.

2. Safety technology is developing rapidly, with continuous breakthroughs in improvement technologies in various aspects and the formation of norms. The future path of standardization is clear.

3. As an active defense technology, safety light curtains, in most cases, allow for automatic reset, effectively addressing grounding issues in the production process, significantly reducing operational complexity, and improving production efficiency.

DADISICK offers safety light curtains and scanners as products. As a safety-sensitive protection device, safety light curtains bring convenience in usage, but signal interference is also one of the issues that must be addressed.

Signal interference in safety light curtains typically arises from two aspects:

Interference from the environment:

If there are reflective surfaces near the light beams emitted by the safety light curtains, passive reflections can cause the receiving end of the curtains to receive incorrect reflection signals, resulting in the inability to detect intrusions within the protected area.

Interference between neighboring light curtains:

Due to the widespread use of safety light curtains in adjacent areas and the long protective distance of the curtain components themselves, signal misalignment between the transmitting and receiving ends of neighboring light curtains can occur.

Interference solutions for safety light curtains.

To effectively avoid the various types of interference mentioned above, we can employ physical positioning and technical measures.

Regarding the positioning of safety light curtains in relation to reflective surfaces:

[1] Reflective surface

[2] Safety light curtain transmitter

[3] Safety light curtain receiver

[4] Half scanning angle

[5] Minimum distance from safety light curtain to the reflective surface

Physical positioning:

The safety light curtains themselves have fixed scanning angles, and specific parameters can be found in the light curtain technical manual. The positioning of the transmitter and receiver of the light curtain can also be determined based on the working conditions. With these two sets of parameters, the minimum distance to prevent reflective interference can be calculated using trigonometric functions such as tangent (tan) or cotangent (cot).

In cases where multiple sets of neighboring light curtains are used, additional physical barriers can be utilized or the installation sequence of the receiver and transmitter can be reversed to address signal interference between the light curtains.

Usage of multiple sets of neighboring light curtains:

Technical measures:

In addition to physical means, certain models of safety light curtains have integrated encoding functionality, which prevents interference even when installed close to each other physically. The encoding feature allows the light curtains to function properly even when subjected to interference from other light curtains. This is particularly useful in cases where the transmitter of one pair of light curtains may directly emit towards the receiver of another pair of light curtains. As long as these two pairs of light curtains are configured with different encodings, the issue of mutual interference between them can be effectively resolved.

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