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WxS Ext-021CM

Limit switch Sensor
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Product Description
Limit switch Sensor

WxS Ext-021CM

 Limit switch Sensor

 

Product Highlights

ü  Limit switch sensor

ü  The new economy switch

ü  Double circuit double break circuit

ü  Cast iron cover

ü  Current load capacity 10A

ü  High mechanical strength

ü  Suitable for multiple applications

ü  Oil proof, water proof, dust proof structure, with cable sheath

ü  Long mechanical life

ü  Cross-threshold reporting, periodic reporting every 2 hours (both threshold and periodic reporting cycles can be configured by the user)

ü  OTA (Over The Air) firmware updates, including upgrade loader and application images

ü  Analog and digital interfaces for external sensor connections and pulse counting (MPI)

ü  Low power consumption, 2 x AA li-soci2 battery, battery life is 5-10 years

ü  Optional DC 5V power supply

ü  Integrated built-in antenna or optional external SMA/IPEX antenna

ü  Transmission reaches 5km in NLoS (non-line-of-sight);The transmission range in the LoS environment is up to 18 kilometers

ü  IP67 protection level



Application Architecture


 

 

Specifications

Parameter

Value

Sensor

operating speed

1mm/s1m/s

motion   frequency

The   mechanical120 Times/min;

Electrical   frequency: 20 times / min

standard

EN   50041

contact   resistance

maximum 25mΩ (initial value)

Circuit   resistance

minimum   100MΩ  (In the 500 VDC measurement)

case   material

metal

Ambient   temperature operation

-10c~80c

Ambient   humidity operation

maximum   95%RH

service   life

Machinery: 5,000,000 (measured at maximum   operating frequency)

electric

500,000   times (Measure at   rated resistance load)

insulation

2500V

level   of protection

IP67

distance

Non-line-of-sight   transmission reaches 18km, and line-of-sight transmission reaches 5km

antenna

Integrated   built-in antenna or external 1/2 wave whip antenna (SMA)

Wireless

ISM Band

EU 863 – 870MHzUS 902 – 928MHz

China 779 – 787MHzEU 433MHz

AS 923MHzCN 470 – 510MHz

Maximum Link   Budget

168dB

Distance

Up to 5km NLOS; up to 18km LOS

Antenna

Integrated internal antenna or external 1/2   wavelength whip antenna (SMA)

Mechanical

Dimension

60mm x 100mm x 35mm (WxS8800)

IP rating

IP67 (WxS8800)

Operating   Temperature

-40°C to +85°C (WxS8800)

Cable length

0.5 meters

Total Weight

120 g

Electrical

Supply Voltage

3.6 VDC

Power Type

Replaceable 1 or 2 AA 3.6V Li-SOCI2   Battery; DC 4.5V – 12V optional

Battery Life

5 – 10 years (assume one motion event one   day)

Compliance/Certification


LoRaWAN 1.0.2



FCC ID: 2AO7W-WXS8000, IC: 23701-WXS8000

 

Limit switch model

In addition, the manufacturers and models of some limit switches are listed below for reference:

manufacturer

series

model

 

 

Honeywell

 

 

SZL-WL

SZL-WL-A  SZL-WL-B  SZL-WL-C    SZL-WL-D  SZL-WL-E  SZL-WL-F

SZL-WL-G  SZL-WL-H  SZL-WL-I    SZL-WL-J  SZL-WL-K  SZL-WL-P

SZL-WLB-A  SZL-WLB-B  SZL-WLB-C    SZL-WLC-A  SZL-WLC-B

SZL-WLC-C  SZL-WLD-A  SZL-WLD-B    SZL-WLD-C  SZL-WLE-A

SZL-WLE-B  SZL-WLE-C

 

Honeywell

 

SZL-VL

SZL-VL-A  SZL-VL-B  SZL-VL-C    SZL-VL-D  SZL-VL-F  SZL-VL-H   

SZL-VL-I  SZL-VL-J  SZL-VL-G    SZL-VL-S-J  SZL-VL-S-I  SZL-VL-S-B

SZL-VL-S-A         

 

 

 

Schneider 


XCKM102H29C XCKM502H29C    ZCKM1H29C

ZCKM5H29C  ZCKMD39H29  ZCKD02C

XCKM121H29C  XCKM521H29C  ZCKM1H29C

ZCKM5H29C  ZCKMD39H29 ZCKD21C

XCKM115H29C  XCKM515H29C  ZCKM1H29C

ZCKM5H29C  ZCKMD39H29  ZCKD15C

XCKM110H29C  XCKM510H29C

 

Installation Guide

 

The figure below shows where WxS8800 Ext-021CM is mounted on any flat and solid surface without a bracket. The cover contacts the surface and is fixed by four flat head screws:

     

Mounted on the wall                                            Mounted on the pole

 

The following types and dimensions of flat head screw M4*20 are recommended for using on the rear cover of the sensor:

      


 

The figure below shows that the installation guide of WxS8800 Ext-021CM in manhole cover scenarios (need M4 flat screws, bracket, M6 expansion screws).

 

Bracket

On the MC (manhole cover) application, the switch sensor needs to be fixed on the side wall of the MC, and the switch sensor fixing bracket below is needed

                        

       

The following types and dimensions of stainless steel screw M6*25 are recommended on the bracket:



 

The Sample Application

l  Manhole cover

The limit switch is installed under the manhole cover, which can sense the vibration of the surrounding environment and avoid false alarm. After the manhole cover is removed, the normally open switch to normally closed, the power consumption pole; When the cover is closed, it can be ensured that the cover is in good condition.



 



l 

l  Harbour bridge crane

It is used to detect the position of the crane cab in motion and the switching state of various doors and the running state of the inner track on the crane

 

l  numerically-controlled machine tool

Limit switch is widely used in all kinds of machine tools and lifting machinery, to control its travel, terminal limit protection, such as metal processing equipment, press, transmission machinery and special equipment.






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