SICK Sensors and Safety NZ | deTec4 C4000 M4000 Light Curtains

SICK Sensors and Safety Parts, New Zealand

RFQ / SICK

Every SICK part has two identifiers. The type code describes it and the 7-digit order number is definitive. Send the order number and there is no ambiguity.

SICK is the sensor and safety brand across New Zealand packaging, meat processing, timber and materials handling. Light curtains, laser scanners, safety switches, encoders and photoelectric sensors.

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Reference pages

Safety

Page	Covers
Safety light curtains	deTec4, C4000, M4000, FGS and MSL. Resolution and field height, sender and receiver, muting
microScan3 laser scanners	Range decode, Core versus Pro simultaneous fields, safeHDDM and screen maintenance
Safety switches and interlocks	Fault masking, RFID coding levels, locking principles and contact arrangements
Flexi Soft safety controllers	Why the system plug matters, module range, EFI and gateway selection

Sensing and measurement

Page	Covers
Photoelectric sensors	Type code decode, the three principles and when each fails, teach-in functions
Encoders	DFS60, AFS60 and AFM60. Programmable PPR and the adapter cable warning

Send the 7-digit order number

The single most useful habit when ordering SICK.

Identifier	Example	Nature
Type code	WL12-3P2431	Descriptive. Family, housing, output, features
Order number	1041436	Definitive. Sequential, no embedded meaning

Two sensors with nearly identical type codes can differ in output polarity, light or dark switching, or connector pinout. Both identifiers are printed on the device.

The numbers in a SICK type code

Across the safety ranges, the digits usually mean something specific.

Range	Digits	Meaning
Light curtains	deTec4 Set 30/900	Resolution 30 mm, protective field height 900 mm
Laser scanners	MICS3-CBAC90EN1	Protective field range 9.0 m
Encoders	DFS60B-S4PA10000	10,000 pulses per revolution

Two halves, and the forklift only hits one

A pattern running through the SICK range that saves real money.

Product	Separate parts
Safety light curtain	Sender and receiver
Through-beam photoelectric	WS sender and WE receiver
Retro-reflective photoelectric	Sensor and reflector
Non-contact safety switch	Switch and actuator
Flexi Soft controller	Main module and system plug

Tell us which half you need. On a curtain the receiver carries the OSSD outputs and the display; the sender is the simpler part.

Where SICK keeps the configuration

Worth checking on any SICK device before ordering a replacement.

Product	On a replacement
Flexi Soft	The system plug carries it. Move the plug and the new module runs
microScan3	Arrives blank. Needs the Safety Designer field sets
Programmable encoders	Arrive at default. Need the PGT-10-Pro tool and the correct cable
Teach-in photoelectric sensors	Arrive at default. Includes pin assignment on some models
Uniquely coded RFID switches	The actuator must be taught in

Flexi Soft is the good case. One spare main module covers every station on a site, because each station's own plug goes with it.

Ratings across the safety range

Not all safety devices reach the same level, and the technology sets the ceiling.

Device	Typical rating
Safety light curtain	Type 4, PL e, SIL 3
RFID safety switch	PL e, SIL 3
Magnetic safety switch	Up to PL e, with an evaluation unit providing test pulses
Safety laser scanner	PL d
Inductive position monitoring	PL d
LiDAR multibeam for AGVs	Type 2, PL c, SIL 1

A scanner is PL d and a curtain is PL e. If the assessment calls for PL e, a scanner does not meet it however well it suits the geometry.

And several of these ratings are conditional. A magnetic switch reaches PL e only with the right evaluation unit; a curtain reaches its rating only when mounted at the calculated distance.

Three things that cause nuisance tripping

Checked before ordering, these save a good proportion of unnecessary replacements.

Device	Check first
Laser scanner	Clean the optical screen. It is a replaceable wear part
Retro-reflective sensor	Clean the reflector. The most common cause by a wide margin
Muted light curtain	The muting sensors, not the curtain. Alignment drifts
Diffuse sensor	Whether the product has changed colour. Dark reflects far less
Any device	The teach-in or field set. A replacement at default may not match

OSSD outputs and standard PLC inputs

Worth knowing because it explains a specific and confusing symptom.

OSSD outputs are pulsed. They test themselves continuously by dropping the output for microseconds.

So an OSSD goes to a safety relay or safety input, not a standard PLC input. A standard input may see the test pulses as real transitions and read intermittently.

If a safety device is wired straight into a standard input and it flickers, the device is fine.

Stainless and washdown versions

Relevant across the range in New Zealand meat and dairy.

Product	Washdown option
Light curtains	Stainless housing. Note the range drops to 4.5 m
Encoders	Stainless housing on the DFS60
Safety switches	Magnetic switches for high contamination. TR4 Direct at IP69K

A standard housing in a caustic washdown will corrode, and the failure looks like a device fault rather than a specification error.

What SICK makes

Category	Families
Safety light curtains	deTec4, C4000, M4000, miniTwin, FGS, MSL
Safety laser scanners	microScan3, nanoScan3, S3000, S300
Safety switches	RE1, RE2, STR1, TR4, TR10, i10, i14, i110
Safety controllers	Flexi Soft, Flexi Classic, Flexi Loop, Flexi Line, ReLy
Photoelectric sensors	W4, W12, W16, W18, W24, W27, WL, WT, WTB, WS/WE, GL, GTB
Inductive proximity	IM, IME, IQ
Capacitive	CM, CQ
Encoders	DFS60, DFV60, VFS60, AFS60, AFM60, AHS36, AHM36, DBS, ARS
Distance and laser measurement	DT, DL, Dx1000, OD
Ultrasonic	UM, UC
Bar code and vision	CLV, Lector, Inspector
Fluid sensors	LFP, PBS, FFU, LBV
Registration and colour	KT, KTS, CS, LUT

We supply all of these. The pages above cover the ranges we see most often in New Zealand.

Important: safety replacements

Safety components are certified as part of a machine's safety function, with a rated Type, Category, Performance Level or SIL.

A like-for-like replacement of the same part number preserves the existing assessment. A substitution may not. On light curtains, resolution and protective field height are not interchangeable, because the mounting distance was calculated from them. On safety switches, coding level and locking principle are not interchangeable either.

We will supply the exact part you specify. If you ask for an alternative we will tell you what we believe is equivalent and what differs, but the decision belongs with whoever is responsible for the machine's safety. We are a parts supplier, not your safety engineer.

What we can supply

Current production. deTec4, microScan3, Flexi Soft, RE and STR1 safety switches, the W series sensors and the encoder range, plus cables, brackets, mirror columns, reflectors, actuators and muting accessories. Quoted with a delivered lead time.

Discontinued. C4000, M4000, FGS, MSL, S3000, S300 and earlier SICK safety and sensing. Surplus and tested used, which keeps an existing installation exactly as assessed.

Halves and accessories. Senders, receivers, actuators, reflectors, system plugs, optical screens and programming tools.

We buy SICK

SICK safety devices hold real value, because a like-for-like replacement lets a plant avoid a safety reassessment. A working C4000, FGS or S3000 is worth considerably more than scrap.

Keep pairs together. Senders with receivers, switches with actuators, controllers with system plugs. Matched sets are worth more than orphaned halves. See Sell To Us.

How to give us what we need

The 7-digit order number. Definitive.

The type code as well, if the label is readable.

Which half you need.

What the device connects to. Safety relay, Flexi Soft, safety PLC or standard input.

A photo if the label has faded. The end caps and housings carry both identifiers.

Common questions

Can you get a part that is not listed on your site?
Usually. The site shows what we hold, not what we can source.

Can I use a different light curtain resolution?
Not without recalculating the safety distance. That is a safety assessment question, not a parts question.

Do I need the whole device or just part of it?
Often just part. Senders, receivers, actuators, reflectors, optical screens and system plugs are all separately available.

Do you supply used equipment?
Yes, where new is not available, tested and clearly described.

What is the lead time?
Ex stock items ship the next working day within New Zealand. We give you a firm lead time with the quote.

Do you quote in NZD?
Yes, in NZD including GST for New Zealand customers.

Send us your part numbers

One part or a full project list. Tell us whether you need one half or both. Quotes in NZD including GST.

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Industech is an independent supplier of new, surplus and used industrial automation equipment. We are not an authorised distributor of, approved by, sanctioned by, or affiliated with SICK AG. SICK, deTec, microScan3, Flexi Soft, Flexi Loop and safeHDDM are trademarks of SICK AG. All trademarks, brand names and part numbers are the property of their respective owners and are used here for identification purposes only. Information on this page is for identification and does not constitute a safety assessment.