Panasonic SF2B Series User manual

2016.1 panasonic.net/id/pidsx/global
Light Curtain / Type2
SF2B Series
Instruction Manual
WUME-SF2B-14
Ramco Innovations | www.ramcoi.com | 800-328-6236 | [email protected]

2© Panasonic Industrial Devices SUNX Co., Ltd. 2016
(MEMO)
Ramco Innovations | www.ramcoi.com | 800-328-6236 | [email protected]

3© Panasonic Industrial Devices SUNX Co., Ltd. 2016
Thank you for purchasing Panasonic Industrial Devices SUNX’s Light Curtain, SF2B series.
Please read this instruction manual carefully and thoroughly for the correct and optimum use of
this device.
Kindly keep this manual in a convenient place for quick reference.
This device is a light curtain for protecting a person from dangerous parts of a machine which
can cause injury or accident.
This manual has been written for the following personnel who have undergone suitable training
and have knowledge of light curtains, as well as, safety systems and standards.
●who are responsible for the introduction of this device
●who design the system using this device
●who install and connect this device
●who manage and operate a plant using this device
1) All the contents of this instruction manual are the copyright of the publishers, and may
not be reproduced (even extracts) in any form by any electronic or mechanical means
(including photocopying, recording, or information storage and retrieval) without per-
mission in writing from the publisher.
2) The contents of this instruction manual may be changed without prior notice for further
improvement of the device.
3) Though we have carefully drawn up the contents of this instruction manual, if there are
any aspects that are not clear, or any error that you may notice, please contact our local
Panasonic Industrial Devices SUNX ofce of the nearest distributor.
4) English and Japanese version of this instruction manuals are original instructions.
Notes
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4© Panasonic Industrial Devices SUNX Co., Ltd. 2016
Contens
Chapter 1 Introduction ·········································································6
1-1 Attention Marks ············································································· 6
1-2 Safety Precautions ········································································· 6
1-3 Applicable Standards / Regulations···················································· 9
1-4 Conrmation of Packed Contents ······················································ 9
Chapter 2 Before Using This Device ····················································· 10
2-1 Features ·····················································································10
2-2 Part Description············································································11
2-3 Protection Area·············································································13
2-3-1 Sensing Area ········································································· 13
2-3-2 Safety Distance ······································································ 14
2-3-3 Inuence of Reective Surfaces ················································· 18
2-3-4 Device Placement ··································································· 19
2-4 Mounting·····················································································20
2-4-1 Mounting of the Mounting Bracket ·············································· 20
2-4-2 Mounting of the Bottom Cap Cable (Optional) ······························· 24
2-4-3 Extension and Dismantling of Sensor (Series Connection)··············· 25
2-5 Wiring·························································································27
2-5-1 Power Supply Unit··································································· 27
2-5-2 I/O Circuit and Connection ························································ 28
2-5-3 Cable Specication·································································· 37
2-5-4 Series Connection··································································· 39
2-5-5 Parallel Connection ································································· 40
2-5-6 Series and parallel mixed connection ·········································· 43
2-6 Adjustment ··················································································46
2-6-1 Beam-axis Alignment ······························································· 46
2-6-2 Operation Test········································································ 47
2-6-3 Operation ·············································································· 48
Chapter 3 Functions·········································································· 57
3-1 Self-diagnosis Function ··································································57
3-2 Test Input (Emission Halt Function)···················································57
3-3 Auxiliary Output (Non-safety Output) ·················································58
3-4 Interference Prevention Function······················································59
3-5 External Device Monitor Function ·····················································60
3-6 Compatibility ················································································61
Chapter 4 Maintenance······································································ 62
4-1 Daily Inspection ············································································62
4-2 Periodic Inspection (Every Six Months)··············································63
4-3 Inspection after Maintenance···························································63
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Chapter 5 Troubleshooting ································································· 64
5-1 Troubleshooting of Emitter ······························································64
5-2 Troubleshooting of Receiver····························································65
Chapter 6 Specications / Dimensions ·················································· 66
6-1 Specications···············································································66
6-2 Options·······················································································71
6-3 Dimensions··················································································75
6-3-1 Rear Mounting with Standard Mounting Bracket (MS-SF2B-1)········· 75
6-3-2 Side Mounting with Standard Mounting Bracket (MS-SF2B-1)·········· 76
6-3-3 Mounting Brackets ·································································· 77
Chapter 7 Others·············································································· 84
7-1 Glossary ·····················································································84
7-2 CE Marking Declaration of Conformity···············································86
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Chapter 1 Introduction
1-1 Attention Marks
This instruction manual employs the following attentions marks , depending on
the degree of the danger to call operator’s attention to each particular action. Read the following
explanation of these marks thoroughly and observe these notices without fail.
If you ignore the advice with this mark, death or serious injury could result.
If you ignore the advice with this mark, injury or material damage could result.
<Reference> It gives useful information for better use of this device.
1-2 Safety Precautions
■ Use this device as per its specications. Do not modify this device since its functions and ca-
pabilities may not be maintained and it may malfunction.
■This device has been developed / produced for industrial use only.
■This device is suitable for indoor use only.
■Use of this device under the following conditions or environments is not presupposed. Please
consult us if there is no other choice but to use this device in such an environment.
1) Operating this device under conditions or environments not described in this manual.
2) Using this device in the following elds: nuclear power control, railroad, aircraft, auto
mobiles, combustion facilities, medical systems, aerospace development, etc.
■When this device is to be used for enforcing protection of a person from any danger oc-
curring around an operating machine, the user should satisfy the regulations established by
national or regional security committees (Occupational Safety and Health Administration:
OSHA, the European Standardization Committee, etc.). Contact the relative organization(s)
for details.
■In case of installing this device to a particular machine, follow the safety regulations in regard
to appropriate usage, mounting (installation), operation and maintenance. The users includ-
ing the installation operator are responsible for the introduction of this device.
■Use this device by installing suitable protection equipment as a countermeasure for failure,
damage, or malfunction of this device.
■Before using this device, check whether the device performs properly with the functions and
capabilities as per the design specications.
■In case of disposal, dispose this device as an industrial waste.
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♦Machine designer, installer, employer and operator
●The machine designer, installer, employer and operator are solely responsible to en-
sure that all applicable legal requirements relating to the installation and the use in any
application are satised and all instructions for installation and maintenance contained in
the instruction manual are followed.
●Whether this device functions as intended to and systems including this device comply
with safety regulations depends on the appropriateness of the application, installation,
maintenance and operation. The machine designer, installer, employer and operator are
solely responsible for these items.
♦Engineer
●The engineer would be a person who is appropriately educated, has widespread knowl-
edge and experience, and can solve various problems which may arise during work,
such as a machine designer, or a person in charge of installation or operation etc.
♦Operator
●The operator should read this instruction manual thoroughly, understand its contents,
and perform operations following the procedures described in this manual for the cor-
rect operation of this device.
●In case this device does not perform properly, the operator should report this to the per-
son in charge and stop the machine operation immediately. The machine must not be
operated until correct performance of this device has been conrmed.
♦Environment
●Do not use a mobile phone or a radio phone near this device.
● If there exists a reective surface in the place where this device is to be installed, make
sure to install this device so that reected light from the reective surface does not enter
into the receiver, or take countermeasures such as painting, masking, roughening, or
changing the material of the reective surface, etc. Failure to do so may cause the de-
vice not to detect, resulting in death or serious injury.
●Do not install this device in the following environments.
1) Areas exposed to intense interference (extraneous) light such as high-frequency uo-
rescent lamp (inverter type), rapid starter uorescent lamp, stroboscopic lights or direct
sunlight.
2) Areas with high humidity where condensation is likely to occur
3) Areas exposed to corrosive or explosive gases
4) Areas exposed to vibration or shock of levels higher than that specied
5) Areas exposed to contact with water
6) Areas exposed to too much steam or dust
♦Installation
●Always keep the correctly calculated safety distance between this device and the dan-
gerous parts of the machine.
●Install extra protection structure around the machine so that the operator must pass
through the sensing area of this device to reach the dangerous parts of the machine.
●Install this device such that some part of the operator’s body always remains in the
sensing area when operator is done with the dangerous parts of the machine.
● Do not install this device at a location where it can be affected by wall reection.
●When installing multiple sets of this device, connect the sets and, if necessary, install
some barriers such that mutual interference does not occur. For details, refer to “2-3-4
Device Placement” and “3-4 Interference Prevention Function.”
● Do not use this device in a reective conguration.
●The corresponding emitter and receiver must have the same serial No. and be correctly
oriented.
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♦Machine in which this device is installed
●Do not use this device as a safety equipment for a press machine.
●Do not install this device with a machine whose operation cannot be stopped immedi-
ately in the middle of an operation cycle by an emergency stop equipment.
●This device starts the performance after 2 seconds from the power ON. Have the control
system started to function with this timing.
♦Wiring
●Be sure to carry out the wiring in the power supply OFF condition.
●All electrical wiring should conform to the regional electrical regulations and laws. The
wiring should be done by engineer(s) having the special electrical knowledge.
●Do not run the wires together with high-voltage lines or power lines or put them in the
same raceway. This can cause malfunction due to induction.
●In case of extending the cable of the emitter or the receiver, each can be extended up to
30.5m by using the exclusive cable.
●In order that the output is not turned to ON due to earth fault of the control output (OSSD
1 / 2) wires, be sure to ground to 0V side (PNP output type) / +24V side (NPN output
type).
♦Maintenance
●When replacement parts are required, always use only genuine supplied replacement
parts. If substitute parts from another manufacturer are used, the device may not come
to detect, result in death or serious injury.
●The periodical inspection of this device must be performed by an engineer having the
special knowledge.
●After maintenance or adjustment, and before starting operation, test this device fol-
lowing the procedure specied in “Chapter 4 Maintenance.”
●Clean this device with a clean cloth. Do not use any volatile chemicals.
♦Others
● Never modify this device. Modication may cause the device not to detect, resulting in
death or serious injury.
● Do not use this device to detect objects ying over the sensing area.
●Do not use this device to detect transparent objects, translucent objects or objects
smaller than the specied minimum sensing objects.
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1-3 Applicable Standards / Regulations
This device complies with the following standards / regulations.
<EU Directives>
EU Machinery Directive 2006/42/EC
EMC Directive 2004/108/EC (Valid until April 19, 2016)
EMC Directive 2014/30/EU (Valid from April 20, 2016)
RoHS Directive 2011/65/EU
<European Standards>
EN 61496-1 (Type 2), EN 55011, EN 50178, EN ISO 13849-1: 2008 (Category 2, PLc)
<International Standards>
IEC 61496-1/2 (Type 2), ISO 13849-1: 2006 (Category 2, PLc), IEC 61508-1~7 (SIL1)
<Japanese Industrial Standards (JIS)>
JIS B 9704-1/2 (Type 2), JIS B 9705-1 (Category 2), JIS C 0508 (SIL1)
<Standards in US / Canada>
ANSI/UL 61496-1/2 (Type 2), ANSI/UL 508, UL 1998 (Class 1)
CAN/CSA C22.2 No.14, CAN/CSA C22.2 No.0.8
<Regulations in US>
OSHA 1910.212, OSHA 1910.217(C) (Note), ANSI B11.1 to B11.19, ANSI/RIA 15.06
Regarding EU Machinery Directive, a Notied Body, TÜV SÜD, has certied with the type ex-
amination certicate.
With regard to the standards in US / Canada, a NRTL, UL (Underwriters Laboratories Inc.) has
certied for CULUS Listing Mark.
Note: In case of using the bottom cap cable (SF2B-CB05-A) (optional), this device does not conform to OSHA.
The conformity to JIS, OSHA and ANSI for this device has been evaluated by ourselves.
The CULUS Listing Mark indicates compliance with both Canadian and US requirements.
This device conforms to the EMC Directive and the Machinery Directive. The mark on the main body
indicates that this device conforms to the EMC Directive.
●In Japan, never use this device as a safety equipment for any press machine or
shearing machine.
●When this device is used in a place other than the places shown above, be sure
to conrm the standards or regulations applicable in each region or country be-
fore use
1-4 Conrmation of Packed Contents
□ Sensor: Emitter, Receiver 1 pc. each
□Test Rod 1 pc.
SF2B-H□: SF2B-TR27 (ø27 × 220mm)
□Intermediate Supporting Bracket (MS-SF2B-2) 0 to 3 sets
Note: The intermediate support bracket (MS-SF2B-2) is enclosed with the following devices. The quantity differs
depending on the device as shown below:
1 set: SF2B-H□ … 40 to 56 beam channels, SF2B-A□ … 20 to 28 beam channels
2 sets: SF2B-H□ … 64 to 80 beam channels, SF2B-A□ … 32 to 40 beam channels
3 sets: SF2B-H□ … 88 to 96 beam channels, SF2B-A□ … 44 to 48 beam channels
□Instruction Manual (this manual) 1 pc.
<Reference>
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10 © Panasonic Industrial Devices SUNX Co., Ltd. 2016
Chapter 2 Before Using This Device
2-1 Features
This device is the light curtain with the following features.
●No special controller is required.
●Beam-axis alignment indicators which make beam-axis alignment easy are incorporated.
●IP65 and IP67 are used as the protective construction.
●Synchronization system is different depending on the type bottom cap cable to be used.
● Wiring synchronization using 8-core cable (sensing range: 0.2 to 13m)
● Beam synchronization using 4-core cable (sensing range: 0.2 to 5m)
●Output and functions are different depending on the type of bottom cap cable (optional) to be
used.
<Function list available by bottom cap cable>
Bottom cap cable
Item
8-core cable 4-core cable
SF2B-CCB□, SF2B-CC□ SF2B-CB05-A SF2B-CB05-B
Control output OSSD 1 ○○○
OSSD 2 ○
- ○
Auxiliary output Safety
- ○ -
Non-safety ○ - -
External device monitor function ○ - -
Sync. stsyem Wiring ○ ○
-
beam - - ○
Interference prevention function
(up to two sets) (wiring required)
- - ○
○: Valid,
- : Invalid
●Refer to “6-2 Options” for details of options.
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2-2 Part Description
<Emitter>
It emits light to the receiver facing it. Furthermore, the status of the emitter and the receiver is
indicated on its display section.
<Receiver>
It receives light from the emitter facing it. Simultaneously, it turns ON the control output (OSSD
1 / 2) when the all beam channels receive light from emitter, and it turns OFF the control output
(OSSD 1 / 2) when one or more beam channels are blocked light.
Besides, the receiver displays its status on the display section.
<Beam channel>
The light emitting elements of the emitter and the light receiving elements of the receiver are
placed at the following intervals, 20mm (SF2B-H□), and 40mm (SF2B-A□).
<Standard mounting bracket (optional)>
This bracket is to be used for mounting the emitter / receiver. It enables to adjust the horizontal
mounting angle using the standard mounting bracket.
<Intermediate supporting bracket>
This bracket is to be used for mounting the device having 40 beam channels or more for
SF2B-H□, 20 beam channels or more for SF2B-A□.
Emitter
Beam
channel
Display
section
Bottom cap
cable
(Optional)
Receiver
<Standard mounting bracket (Optional)>
<Intermediate supporting bracket (Accessory)>
For rear mounting For side mounting
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<Display section>
Notes: 1) Since the color of the operation indicator changes according to ON / OFF status of the control output
(OSSD 1 / 2), the operation indicator is marked as “OSSD” on the device.
2) The threshold where the control output (OSSD 1 / 2) changes from OFF to ON is applied as “100%
incident light intensity”.
3) “When light is blocked” refers to the status that there exists any object blocking light in the sensing area.
4) The description given in [ ] is marked on the device.
Description Function
Beam-axis align-
ment indicator
(Red / Green)
[RECEPTION]
A
<Wiring synchronization using 8-core cable>
When device top receives light: lights up in red
When device top end receives light: blinks in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
B
<Wiring synchronization using 8-core cable>
When device upper middle receives light: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
C
<Wiring synchronization using 8-core cable>
When device lower middle receives light: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
D
<Wiring synchronization using 8-core cable>
When device bottom receives light: lights up in red
When device bottom end receives light: blinks in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
Operator indicator
(Red / Green) [OSSD]
(Note 1)
<Wiring synchronization using 8-core cable>
When control output (OSSD 1 / 2) is OFF: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
When an error occurs in emitter: lights up in red
When emitter operates normally: lights up in green
Emission halt indicator
(Orange) [HALT]
When light emission is halt: lights up
When light is emitted: turns OFF
Fault indicator
(Yellow) [FAULT]
When fault occurs in the device:
lights up or blinks
Setting indicator
(Red) [SETTING]
<Wiring synchronization using 8-core cable>
Always OFF
<Beam synchronization using 4-core cable>
When frequency 1 is set: One bar lights up
When frequency 2 is set: Two bars light up
Description Function
Beam-axis align-
ment indicator
(Red / Green)
[RECEPTION]
A
<Wiring synchronization using 8-core cable>
When device top receives light: lights up in red
When device top end receives light: blinks in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
B
<Wiring synchronization using 8-core cable>
When device upper middle receives light: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
C
<Wiring synchronization using 8-core cable>
When device lower middle receives light: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
D
<Wiring synchronization using 8-core cable>
When device bottom receives light: lights up in red
When device bottom end receives light: blinks in red
When control output (OSSD 1 / 2) is ON: lights up in green
<Beam synchronization using 4-core cable>
Always OFF
OSSD indicator
(Red / Green) [OSSD]
When control output (OSSD 1 / 2) is OFF: lights up in red
When control output (OSSD 1 / 2) is ON: lights up in green
Incident light inten-
sity indicator
(Orange / Green)
[STB.]
When sufcient light is received (incident light:
130% or more) (Note 2): lights up in green
When light is stably received (incident
light: 115 to 130%) (Note 2): OFF
When light is unstably received (incident light:
100 to 115%) (Note 2): lights up in orange
When light is blocked: OFF (Note 3)
Fault indicator
(Yellow) [FAULT]
When fault occurs in the device:
lights up or blinks
Digital error indicator
(Red)
<Wiring synchronization using 8-core cable>
When device goes into lockout condition,
error contents are indicated.
<Beam synchronization using 4-core cable>
When device goes into lockout condition,
error contents are indicated.
When frequency 1 is set: The middle bar lights up
When frequency 2 is set:
The middle bar and the bottom bar light up
Emitter Receiver
Setting indicator [SETTING]
Beam-axis alignment indicator
[RECEPTION]
Operation indicator [OSSD]
Emission halt indicator [HALT]
Fault indicator [FAULT]
Beam-axis
alignment
indicator
[RECEPTION]
Incident light intensity indicator [STB.]
Digital error indicator
Beam-axis alignment indicator
[RECEPTION]
OSSD indicator [OSSD]
Fault indicator [FAULT]
Top end
Bottom end
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2-3 Protection Area
2-3-1 Sensing Area
●Be sure to install protection structure around the machine so that the operator
must pass through the sensing area of this device to reach the dangerous parts
of the machine. Furthermore, ensure that some part of the operator’s body al-
ways remains in the sensing area when operation is done with the dangerous
parts of the machine. Failure to do so can result in death or serious injury.
● Do not use any reection type or recursive reection type arrangement.
●Furthermore, facing several receivers towards one emitter, or vice versa, could
produce a non-sensing area or cause mutual interference, which may result in
death or serious injury.
The sensing area is the zone formed by the sensing height of the device and the sensing range
between the emitter and the receiver. The sensing height is determined by the number of beam
channels. The sensing range can be 0.2 to 13m for the wiring synchronization using 8-core ca-
ble and 0.2 to 5m for the beam synchronization using 4-core cable. Take care that the sensing
range becomes short after mounting either protection cover (FC-SF2BH-□) (optional).
Take care that if the sensing range is under 0.2m, malfunction may occur due to the optical structure.
<Example of Correct Installation>
<Example of Incorrect Installation>
Top
Bottom
Sensing
height
Emitter Receiver
Sensing area
Sensing range
The sensing height is the
area between the line indi-
cated in the top part and line
indicated in the bottom part.
Sensing
height
Dangerous
part
Sensing
area
Dangerous
part
Sensing
area
Dangerous
part
Sensing
area
Protective structure
Dangerous
part
Sensing
area
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14 © Panasonic Industrial Devices SUNX Co., Ltd. 2016
2-3-2 Safety Distance
Calculate the safety distance correctly, and always maintain the distance which
is equal to or greater than the safety distance, between the sensing area of this
device and the dangerous parts of the machine. If the safety distance is miscal-
culated or if sufcient distance is not maintained, the machine will not stop quickly
before reaching to the dangerous parts, which can result in death or serious injury.
The safety distance is the minimum distance that must be maintained between the device and
the dangerous parts of the machine so that the machine can be stopped before a human body
or an object can reach the dangerous parts.
The safety distance is calculated based on the equation described in the next page when a per-
son moves perpendicular (normal intrusion) to the sensing area of the device.
Before designing the system, refer to the relevant standards of the region where
this device is to be used, and then install this device.
Furthermore, the equation described in the next pages is to be used only in case
the intrusion direction is perpendicular to the sensing area. In case the intrusion
direction is not perpendicular to the sensing area, be sure to refer to the relevant
standard (regional standard, specication of the machine, etc.) for details of the
calculation.
The max. response time of the machine is from the point that the machine re-
ceives the halt signal from this device to the point that the dangerous parts of the
machine stops. The max. response time of the machine should be timed with the
machine to be actually used.
Dangerous
part
Safety distance S
Sensing area
Intrusion direction
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15© Panasonic Industrial Devices SUNX Co., Ltd. 2016
[For use in Europe (EU) (as EN 999)] (Also applicable to ISO 13855)
(For intrusion direction perpendicular to the sensing area)
<In case that the minimum sensing object is ø40mm or less (SF2B-H□)>
●Equation 1 S = K × T + C
S : Safety distance (mm)
Minimum required distance between the sensing area surface and the danger-
ous parts of the machine
K : Intrusion velocity of operator’s body or object (mm/sec.)
Taken as 2,000 (mm/sec.) for calculation
T : Response time of total equipment (sec.)
T = Tm+ TSF2B
Tm: Maximum halting time of machine (sec.)
TSF2B: Response time of this device (sec.)
C : Additional distance calculated from the size of the minimum sensing object of
the device (mm)
However, the value of C cannot be under 0.
C = 8 × (d - 14)
C: SF2B-H□ ... 104 (mm)
d: SF2B-H□ ... 27 (mm)
● For calculating the safety distance S, there are the following ve cases.
First calculate by substituting the value K = 2,000 (mm/sec.) in the equation above. Then, classify the ob-
tained value of S into three cases, 1) S < 100, 2) 100 ≤ S ≤ 500, and 3) S > 500.
For Case 3) S > 500, recalculate by substituting the value K = 1,600 (mm/sec.). After that, classify the
calculation result into two cases, 4) S ≤ 500 and 5) S > 500. For details, refer to “Calculation Example 1
For use in Europe.”
●When this device is used in the “PSDI Mode,” an appropriate safety distance S must be calculated. For
details, be sure to refer to the standards or regulations applicable in each region or country.
<In case that the minimum sensing object is over ø40mm (SF2B-A□)>
●Equation S = K ×T + C
S : Safety distance (mm)
Minimum required distance between the sensing area surface and the danger-
ous parts of the machine
K : Intrusion velocity of operator’s body or object (mm/sec.)
Taken as 1,600 (mm/sec.) for calculation
T : Response time of total equipment (sec.)
T = Tm+ TSF2B
Tm: Maximum halting time of machine (sec.)
TSF2B: Response time of this device (sec.)
C : Additional distance calculated from the size of the minimum sensing object of
the device (mm)
C = 850 (mm)
<Reference>
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16 © Panasonic Industrial Devices SUNX Co., Ltd. 2016
<Calculation Example>
● Calculation Example 1: For use in Europe
(OFF response time: 15ms or less, minimum sensing object diameter: 27mm)
First, calculate with K = 2,000.
S = K × T + C
= K × (Tm+ TSF2B) + 8 × (d - 14)
= 2,000 × (Tm+ 0.015) + 8 × (27 - 14)
= 2,000 × Tm+ 2,000 × 0.015 + 104
= 2,000 × Tm+ 134
If the result is:
1) In case S < 100 (mm)
Safety distance S is taken as 100 (mm)
2) In case 100 ≤ S ≤ 500 (mm)
Safety distance S is taken as 2,000 × Tm+ 134 (mm)
3) In case S > 500 (mm)
S = K’ × (Tm+ TSF2B) + 8 × (d - 14)
= 1,600 × (Tm+ 0.015) + 8 × (27 - 14)
= 1,600 × Tm+ 1,600 × 0.015 + 104
= 1,600 × Tm+ 128
then, calculate again.
If the result is:
4) In case S ≤ 500 (mm)
Safety distance S is taken as 500 (mm)
5) In case S > 500 (mm)
Safety distance S is taken as 1,600 × Tm+ 128 (mm)
In case this device is installed in a system with a maximum halting time of 0.1 (sec.)
S = 2,000 × Tm+ 134
= 2,000 × 0.1 + 134
= 334
Since this value matches with Case 2) above, S is 334 (mm).
In case this device is installed in a system with a maximum halting time of 0.4 (sec.)
S = 2,000 × Tm+ 134
= 2,000 × 0.4 + 134
= 934
Since this value matches with Case 3) above,
S = 1,600 × Tm+ 128
= 1,600 × 0.4 + 128
= 768
Since this value matches with Case 5) above, S is 768 (mm).
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17© Panasonic Industrial Devices SUNX Co., Ltd. 2016
[For use in the United States of America (as per ANSI B11.19)]
●Equation 2 Ds = K ×(Ts + Tc + TSF2B + Tbm) + Dpf
Ds : Safety distance (mm)
Minimum required distance between the sensing area surface and the danger-
ous parts of the machine
K : Intrusion speed {Recommended value in OSHA is 63 (inch/sec.) [≈ 1,600 (mm/sec.)] }
ANSI B11.19 does not dene the intrusion speed “K”. When determining K, con-
sider possible factors including physical ability of operators.
Ts : Halting time calculated from the operation time of the control element (air valve, etc.) (sec.)
Tc : Maximum response time of the control circuit required for functioning the brake (sec.)
T
SF2B : Response time of this device (sec.)
Tbm : Additional halting time tolerance for the brake monitor (sec.)
The following equation holds when the machine is equipped with a brake monitor.
Tbm = Ta - (Ts + Tc)
Ta: Setting time of brake monitor (sec.)
When the machine is not equipped with a brake monitor, it is recommended that
20% or more of (Ts + Tc) is taken as additional halting time.
Dpf : Additional distance calculated from the size of the minimum sensing object of
the device (mm)
SF2B-H□
Dpf = 2.676 (inch) ≈ 68 (mm)
SF2B-A□
Dpf = 5.355 (inch) ≈ 136 (mm)
Dpf = 3.4 × (d - 0.276) (inch)
≈ 3.4 × (d - 7) (mm)
d: Minimum sensing object diameter 1.063 (inch) ≈ 27 (mm) SF2B-H□
Minimum sensing object diameter 1.851 (inch) ≈ 47 (mm) SF2B-A□
Since the calculation above is performed by taking 1 (inch) = 25.4 (mm), there is a slight difference be-
tween the representation in (mm) and that in (inch). Refer to the relevant standard for the details.
<Calculation Example>
●Calculation Example 2 For use in the United States of America
[OFF response time: 15ms or less, minimum sensing object diameter: 1.063 (inch) ≈ 27 (mm)]
Ds = K × (Ts + Tc + TSF2B + Tbm) + Dpf
= 63 × (Ta + 0.015) + 3.4 × (d - 0.276) (inch)
= 63 × (Ta + 0.015) + 3.4 × (1.063 - 0.276)
= 63 × Ta + 63 x 0.015 + 3.4 × 0.787
= 63 × Ta + 3.6208
≈ 63 × Ta + 3.62 (inch)
In case this device is installed in a system with a maximum halting time 0.1 (sec.)
Ds= 63 × Ta + 3.62
= 63 × 0.1 + 3.62
= 9.92 (inch)
≈ 251.968 (mm)
≈ 252 (mm)
Hence, as per the calculations Ds is 252 (mm).
Since the calculation above is performed by taking 1 (inch) = 25.4 (mm), there is a slight difference be-
tween the representation in (mm) and that in (inch). Refer to the relevant standard for the details.
<Reference>
<Reference>
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18 © Panasonic Industrial Devices SUNX Co., Ltd. 2016
2-3-3 Inuence of Reective Surfaces
If there exists a reective surface in the place where this device is to be installed,
make sure to install this device so that reected light from the reective surface
does not enter into the receiver, or take countermeasures such as painting, mask-
ing, roughening, or changing the material of the reective surface, etc. Failure to
do so may cause the device not to detect, resulting in death or serious injury.
Install this device at a distance of at least A (m) (given below) away from reective sur-
faces such as metal walls, oors, ceilings, workpieces, covers, panels or glass surfaces.
Distance between emitter and receiver
(Sensing range L) Allowable installation distance A
0.2 to 3m 0.32m
3 to 13m (Note 1) L/2 × tan 2θ = L/2 × 0.213 (m) (θ = 6°)
Notes: 1) The sensing range L is applicable to the wiring synchronization using 8-core cable. For the beam
synchronization using the 4-core cable, the distance between emitter and receiver is 0.2 to 5m.
2) The effective aperture angle for this device is ±2.5° or less (when L > 3m) as required by IEC
61496-2, ANSI/UL 61496-2. However, install this device away from reective surfaces considering
an effective aperture angle of ±3° to take care of beam misalignment, etc. during installation.
<Top View>
Reective surface
Emitter Receiver
A
Sensing range L
θ
θ
<Side View>
Reective ceiling
Reective oor
Emitter Receiver
A
A
Sensing range L
Allowable Distance from This Device to Reective Surface
Allowable installation distance A (m)
Install in this area
Do not install in this area
Distance between emitter and receiver L (m)
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19© Panasonic Industrial Devices SUNX Co., Ltd. 2016
2-3-4 Device Placement
This is the conguration when two or more sets of emitter and receiver facing each other are placed
without series or parallel connection between them. It is used for the case that there is a problem in
wiring or for system evaluation in case of addition of equipment. Perform an operation test by refer-
ring to “2-6-2 Operation Test.”
●Refer to the examples of device placement given below and understand them
thoroughly before installing the devices. Improper sensor placement could
cause device malfunction, which can result in death or serious injury.
●If this device is used in multiple sets, arrange them to avoid mutual interference.
If mutual interference occurs, it can result in death or serious injury.
<Example of device placement>
The above gures are just examples of device placement. If there are any questions or problems, please
contact our ofce.
Position the emitter and receiver so that their cables are aligned. Failure to do so
will cause the system to malfunction.
Cabel Cabel
Cabel
Cabel
<Reference>
1) Install emitter and the receiver back to back
Receiver Emitter Emitter Receiver
2) Arrange the emitter and the receiver vertically on opposite
sides.
Receiver
Emitter
Emitter
Receiver
3) Arrange the emitter and the receiver horizontally on
opposite sides.
4) Install a barrier
Emitter Receiver
Barrier
Receiver Emitter
Emitter Receiver Emitter
Receiver
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20 © Panasonic Industrial Devices SUNX Co., Ltd. 2016
2-4 Mounting
2-4-1 Mounting of the Mounting Bracket
●For selecting the appropriate mounting bracket matched to the installation
environment, the mounting bracket is not incorporated in this device. Please
purchase the optional mounting bracket to t on the mounting environment.
●Do not apply the load such as forced bending to the cable of this device. Apply-
ing improper load could cause the wire breakage.
●The minimum bending radius of the cable is R6mm. Mount the device consider-
ing the cable bending radius.
●Mount the emitter and the receiver at the same level and parallel to each other. The effective aperture
angle of this device is ±5° or less for a sensing distance of 3m or more.
● Unless otherwise specied, the following mounting procedure is common for both emitter and receiver.
For the preparation of the mounting, prepare the mounting holes on the mounting surface by referring to
“6-3 Dimensions.”
<When the standard mounting bracket (MS-SF2B-1) (optional) is used>
Conguration
The standard mounting bracket (MS-SF2B-1) (optional) congures as follows.
1. Fix the standard mounting bracket with two hexagon-socket head bolts [M3 (length: 5mm)].
The tightening torque should be 0.6N·m or less.
2. For side mounting, remove the B part.
<Reference>
Hexagon-socket head bolt
[M3 (length 5mm)]
B part
A part
Hexagon-socket head bolt
[M3 (length 5mm)]
This device
B part
Hexagon-socket head bolt
[M3 (length 5mm)]
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