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Safety Light Curtain Type 4 SF4B Ver.2

Protection structure IP67
New version with improved environmental resistance performance

Safety Light Curtain Type 4 SF4B Ver.2
C-UL-US CE Marking TUV SUD Korean S Mark GB

UL/C-UL , CE , TUV , Korean S Mark , GB Approved
CE : Machinery Directive, EMC Directive
UL : Approved Listing
GB : Conforming to GB/T 4584
Korea's S-mark certification : SF4B-□(V2) only

OSHA/ANSI Category 4 PLe SIL3※1
※1The control category differs depending on the configuration and wiring of the external circuit.

Features

■ Main points of difference from previous model

Other than the following items, there are no changes in specifications and prices, etc.

[Degree of protection]:
IP65、IP67(IEC)(Previous model has IP65 only)

[Appearance]:
Adopting the seamless structure of improved environmental resistance performance, there is a minor change in appearance, but there is no change in usage such as mounting.

[Model No.]:
Model Nos. are added with a suffix <V2>
(e.g.) SF4B-F23 becomes "SF4B-F23<V2>"
SF4B-F23-01 becomes "SF4B-F23-01<V2>"

*Caution
We plan on acquiring the China safety regulation (GB: Technical requirements for light type safety device used for the presses) and Korea S-mark certification in near future. Previous models will continue for sale, so please purchase the previous SF4B series when used as a press machine in China or when used in Korea.

■ For your safety
In using the safety light curtain, please establish a control system to satisfy the below items in order to ensure safety with a total system.

>>Precautions for use

It is possible to select from among each three types of standard / robust types depending on the worksite

A wide range of variations are available with protective heights of 230 to 1,910 mm 9.055 to 75.197 in (1,270 mm 50.000 in for the finger protection type). Mixing six types in a series connection is also possible.

It is possible to select from among three types according to the worksite
* In the case of "When used as safety device for presses in China", the protective height differs.

Global support for the safety of press machines or shear (paper cutting) machines

Can be widely used for press machines and other types of equipment from Japan, Europe, North America, South Korea, and China.

●: Available

< Safety light curtains>

Model No. Machinery
Directive
EMC
Directive
UL
Certified
Japanese Press
Machine Support
Japanese
Shear
(Paper Cutter)
Support
S-mark
certifi-
cation
Korean
Press /
Cutting Machine
Chinese
GB
Compatibility
SF4B-□<V2> - - -
SF4B-□G<V2> - - - -
SF4B-A□-01<V2>
(No.TA523)

(No.TA521)
- -
SF4B-H□(G)-01<V2>
(No.TA524)

(No.TA522)
- -
SF4B-F□-01<V2>
SF4B-□-03<V2> - - - -

< Control units>

Model No. Machinery
Directive
EMC
Directive
UL
Certified
Japanese Press
Machine
Support
Japanese Shear
(Paper Cutter)
Support
S-mark
certifi-
cation
Korean
Press /
Cutting Machine
Chinese
GB
Compatibility
SF-C11
(No.TA525)
(Note1)
(No.TA526)
(Note2)
- - -
SF-C12 - - - - -
SF-C13
(No.TA527)
(Note1)
(No.TA528)
(Note2)
- - -
SF-C14EX - - - - -
SF-C14EX-01
(No.TA529)
(Note1)
(No.TA530)
(Note2)
- - - -

Notes :

1)In combination with SF4B-A□-01<V2>.
2)In combination with SF4B-H□-01<V2> / SF4B-H□G-01<V2> / SF4B-F□-01<V2>.

A unified response time of 14 ms for all models makes calculation work easy

A fast response time of 14 ms has been achieved regardless of the number of beam channels, the beam axis pitches and the number of units connected in series. This reduces calculation work required for the safety distance.

Unified response time for all models
* It is the characteristic distance for safety light curtain based on ISO 13855.
Note: Calculate the safety distance based on the distance depending on the safety light curtain and the distance depending on the maximum halting time of machinery. Install the safety light curtain according to the relevant standards of the region where the safety light curtain is used.

Improved environmental resistance performance and easier operability New structure

Protection structure IP67 in a very compact size

A seamless structure with minimal joints has now been developed. The inner unit is protected by a cylindrical inner case. Seams on the unit and lens surfaces have been greatly reduced so that particles such as oil mists and dust are prevented from penetrating the case. Thus, the environmental resistance performance could be raised.

 Cylindrical inner case protects the internal unit.
This new structure does not use adhesive or double-sided tape on the joints like with the previous models. There is no need to worry about water immersion or corrosion such as a coolant causing the adhesive to strip off.

SF4B / SF4B-G series Ver.2 has passed the tests of IP65 and IP67 as specified by IEC / JIS standards.

Error details can be understood at a glance with a digital error indicator

The system constantly checks the safety light curtain for problems such as incorrect cable wiring, disconnection, short-circuits, internal circuit problems, and incoming light problems. Details of any electrical problems such as at equipment startup will appear on the digital display. It is no longer necessary to count the number of times the LED blinks, making the system much more convenient.

Equipped with a digital error indicator

A muting control function is provided to increase both safety and productivity

(excluding SF4B-□-03<V2>)

The safety light curtain is equipped with a muting control function that causes the line to stop only when a person passes through the safety light curtain, and does not stop the line when an object passes through. The muting sensors and muting lamps can be connected directly to the safety light curtain so that a exclusive controller is not required for muting. This both reduces costs and increases safety and productivity.

A muting control function is provided to increase both safety and productivity

Override function allows the line to be restarted smoothly after it has stopped while muting control was active

(excluding SF4B-□-03<V2>)

In case the power turns off while the safety light curtain has been interrupted by an object or in case the line stops before the muting conditions have been established (if only one muting sensor has been interrupted), the line can be restarted smoothly without having to remove the object that is interrupting the safety light curtain.

Example: When power turns off while safety light curtain was interrupted

Override function allows the line to be restarted smoothly after it has stopped while muting control was active

Equipped with a safety circuit that does not require an exclusive safety relay unit

The safety light curtain has a built-in external device monitoring function (such as for monitoring whether relays have fused) and an interlock function. The safety circuit is built without safety relay unit and size reduction of a control board is achieved, which contributes to cost reduction.

Equipped with a safety circuit that does not require an exclusive safety relay unit

Recommended safety relay

●Safety relay
Panasonic Corporation [SF series]open link in new window
SF relay, slim type

Note:Contact Panasonic Corporationopen link in new windowfor details on the recommended products.

Beam-axis alignment indicators show the incident light position at a glance

Beam-axis alignment indicators display the beam channels of the safety light curtain in four blocks. When the beam channel at the bottommost channel (or topmost channel), which is used as a reference for beam-axis alignments, is correctly aligned, the LED blinks red. After this, each block lights red as the beam axes successively become aligned. When all channel beam axes are aligned, all LEDs light green. The display also has an additional stability indicator (STB) so that setup can be carried out with greater stability.

Beam-axis alignment indicators show the incident light position at a glance

Supports both PNP and NPN polarities in a single model

The SF4B / SF4B-G series combines PNP transistor output and NPN transistor output in a single model. Overseas equipment that uses PNP, replacement with NPN sensors, factories that are positively grounded, and transfer of equipment overseas are all situations where the control circuits for a single model are suitable for use a.

■ Polarity can be changed easily by changing wiring
When the output polarity setting wire (shielded) is connected to 0 V, PNP output is selected, and when it is connected to 24 V, it switches to NPN output.

Supports both PNP and NPN polarities in a single model
Output polarity setting wire (Shield) Control output (OSSD)
Connect to 0 V PNP output
Connect to 24 V NPN output
Not connected / open Error

Laser alignment tool for easy installation

The tool performs beam-axis alignment using a laser beam spot. As the tool is battery-operated, it is possible to perform beam-axis alignment before supplying power to the equipment.

Laser alignment tool for easy installation

Greatly improved ease of installation New structure

(excluding SF4B-□G□<V2>)

The hexagon-socket head bolts used for aligning the beam axis can be accessed from the front of the safety light curtain. Beam adjustment can be carried out easily while turning the bolts. Also, the beam-axis alignment part is directly and firmly fixed with M5 bolts so that beam axes misalignment can be prevented.

Greatly improved ease of installation

Easy to distinguish receiver and emitter

Emitter is gray, receiver is black. Whether during startup or maintenance, troubles due to incorrect wiring or false recognition can be greatly reduced. Moreover, the model No. can be checked at the front face of the safety light curtain.

Easy to distinguish receiver and emitter

Mutual interference is reduced without needing interference prevention lines

The safety light curtain is equipped with the ELCA (Extraneous Light Check & Avoid) function. Because it automatically shifts the scan timing of the safety light curtain in order to avoid interference, it is not necessary to wire interference prevention lines between machineries.

Reducing the number of malfunctions caused by extraneous light

Double scanning method and retry processing are two new functions exclusive to our company, which successfully eliminate the effects of momentary extraneous light from peripheral equipment. The reduction in operating errors caused by extraneous light reduces frequent stopping of machinery.



Separate muting control function for each beam channel

The handy-controller SFB-HC* (optional) can be used to carry out muting control for specified beam axes only. Because individual beam axes can be specified to suit the object, separate guards to prevent entry do not need to be set up.

Separate muting control function for each beam channel
For example, depending on the height of the object, the muting function can be activated for 10 beam channels starting from the bottom, so that if the 11th or subsequent beam channels are interrupted, it is judged that a person has entered the area and the line stops.
Separate muting control function for each beam channel
* A handy-controller cannot be used with the SF4B-□-01<V2>, SF4B-□-03<V2> and the SF-C14EX-01.

Specific beam axes can be deactivated The SF4B / SF4B-G series incorporates a fixed blanking function.

The SF4B / SF4B-G series is equipped with a fixed blanking function which allows specific beam channels to be selectively interrupted without causing the control output (OSSD) to output the OFF signal. This function is convenient for use with applications in which certain fixed obstacles tend to block specific beam channels. Furthermore, this function provides greater safety as the control output (OSSD) will automatically output the OFF signal if the fixed obstacles are subsequently removed from the sensing area.

Specific beam axes can be deactivated The SF4B series incorporates a fixed blanking function.

A variable number of beam axes can be deactivated The SF4B / SF4B-G series incorporates a floating blanking function.

1, 2 or 3 non-specified beam channels can be deactivated. If the number of beam channels that are blocked is less than or equal to the set number of beam channels, then the control output (OSSD) will not output the OFF signal. This function is useful in the event when the positions of obstacles within the sensing area must be changed during object rearrangement, or when an object passes through the safety light curtain’s sensing area.

A variable number of beam axes can be deactivated The SF4B series incorporates a floating blanking function.

Note: When the floating blanking function is used, the acceptable size for the minimum sensing object changes.

Selectable configuration for auxiliary output

Mode No. Description
0 Negative logic of the control output (OSSD 1, OSSD 2) (factory setting)
1 Positive logic of the control output (OSSD 1, OSSD 2)
2 For emission: output ON, For non-emission: output OFF
3 For emission: output OFF, For non-emission: output ON
4 For unstable incident beam: OFF (Note 1)
5 For unstable incident beam: ON (Note 1)
6 For muting: ON
7 For muting: OFF
8 For beam received: ON, For beam interrupted: OFF (Note 2)
9 For beam received: OFF, For beam interrupted: ON (Note 2)

Notes :

1)The output cannot be used while the fixed blanking function, floating blanking function or the muting function is activated.
2)This device outputs the beam received / interrupted state at the detectable area regardless of fixed blanking function, floating blanking function, and muting function.

A variety of other functions can be selected

・Emission intensity control function
This function reduces the amount of emitting light. The two modes, normal mode and short mode, can be selected (factory setting: normal mode).

・Monitoring function
This function allows the user to confirm the details of each safety light curtain setting.

・Protection function
A password protection can be used to avoid unauthorized changes of the settings (factory setting: no password protection).

・Copy function
Setting details can be copied to other safety light curtains. This is helpful if you need the same settings on different devices.

・Muting lamp diagnosis setting
When the muting lamp diagnosis is disabled, the muting function will continue to operate even if the lamp is blown.

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