Malfunction Output Infrared Curtain Sensor Photocell 48mm Diodes Range
Introduction
WECO elevator light curtain has three series which is 917 series, 957 series, and 987 series. 957 Series and 987 series are updated models based on 917 Series.
Specification
| Technical Parameter | 917C6 | 917C8 | 957C5 | 957C8 | 957C9 | 987C5 | 987C8 |
| Number of Infra Red Diodes | 17 Diodes | 32 Diodes | 36 Diodes | 40 Diodes | 48Diodes | 36 Diodes | 40 Diodes |
| Response Time | 45ms relay output | 61ms relay output | 65ms relay output | 69ms relay output | 77ms relay output | 65ms relay output | 69ms relay output |
| 21ms transistor output | 37ms transistor output | 61ms transistor output | 45ms transistor output | 53ms transistor output | 61ms transistor output | 45ms transistor output |
| Scanning Beams | 94-33 Beams | 154-94 Beams | 174-106 Beams | 194-118 Beams | 234-142 Beams | 174-106 Beams | 194-118 Beams |
| Detecting Height | ≤20mm |
| Redundary Function | NO | YES | NO |
| Operation Temperature | -20℃-+65℃ |
| Detecting Range | 0-4m |
| Light Immunity | 100000 Lux | sunlight proof |
| Protection Level | IP54 |
| EMC |
| EN12015 | general circuit level | Safety Circuit Level |
| EN12016 |
| LED Interpretation | Yellow Led power indicator and red LED status indicator in receiver is on when blocked or in malfunction. |
| Yello LED power indicator in receiver is on and red LED status indicator in receiver is off without blocked. |
Mounting Holes and Dimension
So what is EN81-20 stndard?
EN81-20 New Euro Standard means requirements (for elevator door detector)
1. detecting height range: the lowest≤20mm, the highest≥1600mm.
2. minimum obstructions 50mm, the distance of diode sets must less than 50mm.
3. When distance of door detectors less than 20mm, it allows to be invalid.
Design of door detector (Solution)
1. range of diodes less than 47mm, the number of diodes should be at least 35 or more than 35
2. lowest detecting point:17mm
3. higest detecting point:17+47*34=1615mm. (take 35 diode sets as example)
4. detecting range is 0—4m
5. continuous detectable minimum obstructions is 50mm
Does WECO elevator light curtain compliant to EN81- 20 standard?
The answer of courer is YES. The light curtain witht no less than 36 diodes is compliant to EN81-20 Standard.
So the diodes more than 36dioes of models of 957 series is compliant to new standard.
Difference between 957Series and 987 Series is:
987series elevator light curtain has fault output signal function.
Package
Every piece packed in tube,five tubes in a bundle;
Each tube includes:
Power supply control unit:(1pieces)
Durable flexible cable: (2cables)
Transmitter: (1pieces)
Receiver: (1pieces)
User Manual: (1copy)
Mounting accessories: (1 set)
What's More?
--- Ningbo WECO Optoelectronics CO., LTD. has more than 15 years experience in door sensor manufactuering and designing.
--- We have a plenty of stock for this model safety photocell both in English and Chinese version.
--- Each set products all has been scanned into our system and we can get to know when and how the product was produced only through the product series NO..
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