elevator parts low cost load cell model EWD-H-XJ4 from china manufacture

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Product Description:

elevator  part  passanger elvator load cell,low cost load cell
EWD-H-XJ4 Elevator Load Weighing Device

INTRODTION MANUAL

l This system is applicable to all elevators with movable platform car (containing 4-channel programmable switch signals)

l Main characters:

1. Contactless inductive working mode, solid state relay output, no need to fix the original position of elevator overload switch, and to change structure of elevator platform car.

2. Electrical properties is in compliance with the standard of the International Electro-technical Commission.

3. Set up all parameters on the spot.

4. Adopt strong inductive magnet, improve the anti-interference ability to the utmost.

5. System carry scientifical computing out according to mathematical equations to automatically amend detention of error. It also has no-load auto zero capacity

6. It is totally convenient to adjust on the pot by means of artificial self-study or artificial displacement.

7. Control method of programmable output signal created by ourself is applicable to all kinds of traction elevator with movable platform car.

8. Integrated structure design: small size, easy installation.

l Technical index

1

Scope of application

Applicable to all elevators with movable platform car. range of auto-detention (2.0mm ≤car bottom displacement≤10.00mm ); range of manual set displacement: 2.5~9.9mm ( relate to parameter PD)

2

sensitivity

Rated load /200 (5.0kg when rated load is 1 ton)

3

System error

≤1.5% ( 5~40℃ )

Working temperature range≤3.0%

4

nonlinearity

≤1.0%

5

Output form

Solid state relay

Programmable universal signal

① 4 channel programmable output mode are following: no- load, light- load, semi-load, heavy load, rated load and overload (user can freely set up the range of change.

② Each channel can be programmed as dynamic close or dynamic break contact.

③ Contact capacity: DC/AC 32V/15mA

6

Storage environment

-25~75℃

7

Working environment

Temperature:-20~55℃

8

Relative humidity

20%~99%RH

9

Reaction time

≤0.25s

10

Power supply

AC/DC2410%V/150mA

11

Installation position

movable platform car of elevator

12

Machine dimension

45X45X903

l Product appearance, internal structure and interface specifications

EWD-H-XJ3

appearance

External interface

interface specifications

P1

Com

Sharing Com

J1,J2,J3,J4    4 channels Solid state relay output

P2

J1

P3

J2

P4

J3

P5

J4

P6

P7

System power supplyDC/AC24V(±10%)150mA

absolutely can't put this device "P7, P8" outside of the directly connected to external power supply output port, thus may cause permanent damage shall not be responsible for the company

P8

1. J1J4internal solid state relay, Maximum load capacityDC/AC 32V/50mA

2. Output signal programmable for "no-load ~ over-load", to participate in the elevator control logic

l Machine dimension and installation schematic diagram

Outlook dimensioninstallation schematic diatgram

Installation Instruction

1. As near to install this device in the bottom or the elevator the overload switch location, near the center of the system should be installed on the bearing beam of the elevator to the bottom, induction magnet adsorption in the bottom, and the marking surface of weighing device sensing point;

2. System bracket should be made on the basis of the condition of the elevator, but must use the not easy to deformation material, the better of the thickness is more than 4 mm or with stiffener, to prevent sway;

3. Adjust the device, make the bottom magnet aimed at center of end surface. At the same time must ensure that the device end face and the magnet end face parallel to each other.

Installation method

l If you need details, please send us for this product "user manual".


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