Balance (DCE)

Use a shielded

Personal computer (DTE) example

 

 

 

 

 

Balance interior

cable.

 

Of DOS/V type

 

FG

1

(Cable shield)

 

(D-Sub9)

 

FG

Connector shell

 

RXD

2

 

 

 

TXD

Pin 3

 

TXD

3

 

+5V

 

RXD

Pin 2

RTS

4

 

 

RTS

Pin 7

 

 

 

CTS

5

 

 

 

CTS

Pin 8

 

DSR

6

 

 

 

DSR

Pin 6

 

SG

7

 

 

 

SG

Pin 5

 

 

 

 

Comparator contact ratings

 

 

Use a shielded

 

FG

cable.

Maximum contact voltage

100VDC

1 (Cable shield)

Maximum contact current

100mADC

HH

12 (When 5-level

Maximum contact resistance

20 Ω

 

comparison is used)*

 

 

HH

HI

 

 

 

 

23

 

 

 

 

 

 

HI

OK

 

 

 

 

25

 

 

OK

LO

 

 

 

 

16

 

 

LO

LL

 

 

 

 

9 (When 5-level

 

 

 

 

 

 

 

 

comparison is used)*

 

 

LL

 

 

 

 

 

COM

21

 

 

Balance interior

*When OP-04 is installed

 

 

 

 

in the AD-4212A

External contact input

 

 

series balance.

 

 

 

Minimum contact time

100 msec

 

 

5V

5V

Use a shielded cable.

(1) When a switch is used

 

 

18 or 19

CPU

input terminal

22kΩ 22kΩ

FG (Cable shield)

820Ω

PRINT18 (Input terminal)

820Ω RE-ZERO19 (Input terminal)

SG 7

Balance interior

SG 7

(2)When a photocoupler is used

18 or 19

SG 7

(Upon switch-ON, make the voltage between the input terminal and the SG terminal 0.2V or less)

64

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Image 66
A&D AD-4212A/B, AD-4212B-101/102/201/301, AD-4212A-100/200/600/1000 Cable, External contact input, Use a shielded cable
Page 65 Page 67

AD-4212A-100/200/600/1000, AD-4212A/B, AD-4212B-101/102/201/301 specifications

The A&D AD-4212 series, including models AD-4212B-101, AD-4212B-102, AD-4212B-201, AD-4212B-301, AD-4212A/B, and AD-4212A-100/200/600/1000, represents a significant advancement in precision weighing technology. A&D Company, a leader in the field of measurement and weighing solutions, has equipped these models with various features that cater to diverse industrial needs.

One of the standout characteristics of the AD-4212 series is its high precision load cell technology. This technology enables accurate measurements with a resolution that can reach up to 0.01 grams, making it suitable for industries where precision is paramount, such as pharmaceuticals and laboratories. Additionally, the series boasts an impressive overload protection feature, allowing it to handle weights significantly above its rated capacity without sustaining damage.

Durability and user-friendliness are also top priorities for the AD-4212 models. The devices are constructed using high-quality materials that ensure longevity, even in demanding environments. The intuitive user interface includes a large, easy-to-read LCD display, which enhances usability by allowing operators to view measurements and settings effortlessly.

Another essential feature of the AD-4212 series is its versatility in connectivity. These models support multiple communication protocols, including USB and RS-232, enabling seamless integration with computers and other devices for data output and printing. This connectivity capability facilitates streamlined operations in various settings, allowing for efficient data management and record-keeping.

User customization is also a significant aspect of these models. The AD-4212 series allows users to calibrate the devices according to their specific requirements, ensuring that they can tailor the performance to suit varied applications. Moreover, the models come with built-in functions for tare, hold, counting, and statistical calculations, making them extremely flexible for different weighing scenarios.

Energy efficiency is another noteworthy consideration in the design of the AD-4212 series. These models often feature automatic shut-off functions that help conserve energy, extending battery life and reducing operating costs. The combination of these technologies and characteristics makes the A&D AD-4212 series an exemplary choice for professionals seeking reliable and accurate weighing solutions across various industries. Overall, the AD-4212 models exemplify A&D's commitment to quality, precision, and user satisfaction.
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