16. I/O UNIT SPECIFICATIONS (Standard interface)

16-1 RS-232C/Comparator Contact Output/External Contact Input

D-Sub 25 pin numbers

D-Sub 25 pin assignments

Pin No.

Signal name

Interface type

Direction

Description

1

FG

 

-

Frame ground

2

RXD

RS-232C

Input

Receive data

3

TXD

RS-232C

Output

Transmit data

4

RTS

RS-232C

Input

Ready to send

5

CTS

RS-232C

Output

Clear to send

6

DSR

RS-232C

Output

Data set ready

7

SG

RS-232C/external contact input

-

Signal ground

9

LL

Comparator

Output

Output LL (Only when five-level

 

 

 

 

comparison is selected)*

12

HH

Comparator

Output

Output HH (Only when five-level

comparison is selected)*

 

 

 

 

16

LO

Comparator

Output

Output LO

18

PRINT

External contact input

Input

Same as the PRINT key

19

RE-ZERO

External contact input

Input

Same as the RE-ZERO key

21

COM

Comparator

-

Common

23

HI

Comparator

Output

Output HI

25

OK

Comparator

Output

Output OK

Others

-

-

-

No connection

*AD-4212B: standard, AD-4212A: when OP-04 is installed

RS-232C

The balance is a DCE device. Connect the balance to a personal computer (DTE) using a straight

through cable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transmission system

:

EIA RS-232C

 

 

 

 

 

 

 

 

 

 

 

 

 

Transmission form

: Asynchronous, bi-directional, half duplex

Transmission rate

: 10 times/second or 5 times/second (same as data refresh rate)

Data format

:

Baud rate

 

: 600, 1200, 2400, 4800, 9600, 19200bps

 

 

 

Data bits

 

: 7 or 8 bits

 

 

 

 

 

 

 

Parity

:

Even, Odd

(Data bits 7 bits)

 

 

 

 

 

 

 

 

 

 

 

 

None

(Data bits 8 bits)

 

 

 

Stop bit

:

1 bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(When sending, 2 bits; receiving, 1 bit.

 

 

 

 

 

 

 

 

 

 

 

 

A personal computer will function with either

 

 

 

 

 

 

 

 

 

 

 

 

setting.)

 

 

 

 

 

 

 

Code

:

ASCII

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63

Page 64 Page 66
Page 65
Image 65
A&D AD-4212A-100/200/600/1000, AD-4212A/B, AD-4212B-101/102/201/301 Sub 25 pin numbers Sub 25 pin assignments, RS-232C
Page 64 Page 66

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.
Top Page Image Contents