A&D Multi Function Weighing Indicator AD-4402 Spécifications télécharger pdf (Page 76)

Page 74 AD-4402

8.8.

8. Interface

InterfaceInterface

Interface

8.1.

8.1.8.1.

8.1. Control I/O Function

Control I/O FunctionControl I/O Function

Control I/O Function

Input terminals 11 lines that can select by the function

Output terminals 11 lines that can be selected by the function

Open collector transister

Input terminal

Maximum typ.

Input open voltage 14V DC 8 V DC

Input drive current 5 mA 3 mA

Saturation tolerance voltage 2 V DC

Output terminal

Maximum

Output voltage 40 V DC

Output current 50 mA

Saturation tolerance voltage 1.5 V at 50 mA

8.1.1.

8.1.1.8.1.1.

8.1.1. Interface Circuit

Interface CircuitInterface Circuit

Interface Circuit

Max. 5 m

Max. 50 m

Max. 8 ~ 14V

A12

Input common terminal

A1 ~ A 11

Input terminal

It is recommend that you use :

Mechanical switch or

open collector transistor.

Vsat < 2 V

Max. 40V DC

It is recommend that you use :

Mechanical relay with surge diode or

photo coupler.

B12

Output common terminal

B1 ~ B 11

Output terminal

Use a surge diode to protect the

solenoid or relay from noise.

Interface circuit in

the indicator

Vsat < 1.5 V at 50 m

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A&D Multi Function Weighing Indicator AD-4402 Spécifications Page 76

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