Sartorius EA Manuale utente

Operating Instructions

Sartorius

Description of the Interface

for EA, EB, GD, GE and TE Balances/Scales

Contents Intended Use

2Contents

2Intended Use

2Configuring the Interface

Parameter Settings (Menu)

3Data Output Functions

3 Printing a Data Record

5 Interface Description

5 Data Output Format

9 Data Input Format

12 Cabling Diagram

The interface can be used to connect

the balance/scale to a computer

(or other peripheral device).

You can use a computer to change,

start and monitor balance/scale functions

and applications.

Available Features

– Type of interface: Serial interface

– Operating mode: Full duplex

– Standard: RS-232

– Transmission rates: 150, 300, 600,

1,200, 2,400, 4,800, 9,600 baud

– Parity: Mark, space, odd, even

– Character format: Start bit,

7-bit ASCII, parity, 1 or 2 stop bits

– Handshake:

2-wire interface: via software

(XON/XOFF)

4-wire interface: via hardware

(CTS/DTR)

– Protocol: SBI (Sartorius Balance

Interface)

– Data output format of the

balance/scale: 16 or 22 characters

Configuring the

Interface

Parameter Settings (Menu)

Please refer to the installation and

operating instructions supplied with

your balance/scale.

Data Output Functions

Printing a Data Record

Purpose

You can generate a printout of weights as well as

other measured values and IDs for documentation

purposes. You can format the printout to meet

individual requirements.

Available Features

Print individual values

Line format: You can configure a data ID code

of up to 6 characters for each of the values

printed; this data ID code is printed at the

beginning of a line

Printouts are generated automatically or by

pressing p, depending on or regardless

of the balance/scale stability parameter.

You can have the following values output

automatically when using the application

programs if menu code 7 .1. 2 (printout with

data ID codes) is configured:

– Second tare memory: last net value

– Counting: Reference weight for one piece

(average piece weight)

– Weighing in percent:

Reference weight for the percentage selected

– Averaging: Result of measurement

Examples of Data Records:

Printout without Data ID Codes (Menu Code 7.1. 1):

The value currently displayed is printed (weight or calculated value with unit)

+ 1530.0 g Weight in grams

+ 58.562 ozt Weight in Troy ounces

+ 253 pcs Piece count

+ 88.2 % Percentage

+ 105.8 o Calculated value

Printout with Data ID Codes (Menu Code 7.1. 2):

The current value displayed can be printed with a data ID code of up to 6 characters at the

beginning of a line. You can use this data ID code, e.g., to designate a weight readout as

a net weight (N) or a calculated value as a quantity (Qnt).

N + 153.0 g Current net weight

N1 + 153.0 g Current net weight (with data in 2nd tare memory)

T1 + 10.2 g Value in 2nd tare memory

Qnt + 253 pcs Calculated quantity (piece count)

Prc + 88.2 % Calculated percentage

Res + 153.0 g Calculated result

Print Application Parameters (Menu Code 7.1. 2):

You can generate a printout of one or more of the values configured for initialization of an

application as soon as you initialize the balance/scale.

wRef + 1.432 g Counting: average piece weight

Wxx% + 120.12 g Weighing in percent: reference weight for the

selected percentage

Auto Print (Menu Code 6 .1. 3 or 6 .1. 4):

You can have the weight readout printed automatically. The display update interval depends

on the operating status of the balance/scale and on the balance/scale model.

N + 153.0 g Net weight

Stat Display blank

Stat L Display underload

Stat H Display overload

Interface Description

Factory Settings

Transmission rate: 1,200 baud (5.1 . 4)

Parity: Odd (5. 2. 3)

Stop bits: 1 stop bit (5. 3.1)

Handshake:

Hardware, 1 character after CTS (5. 4. 3)

Protocol: Standard SBI (5. 5.1)

Print manually/automatically:

Manual after stability (6.1. 2)

Line format:

For other applications (7.1. 2)

Data Output Format

You can output the values displayed in the measured

value line and the weight unit with or without a

data ID code.

Example: Without data ID code

+ 253 pcs

Example: With data ID code

Qnt + 253 pcs

Configure this parameter in the Setup menu

(Menu: Printout format 7 .1 .1 or 7 .1 . 2).

The output without data ID code has 16 characters;

with data ID code, 22 characters.

Output Format With 16 Characters

Display segments that are not activated are output as spaces.

Characters without a decimal point are output without a decimal point.

The following characters can be output, depending on the characters displayed

on the balance/scale:

Normal Operation

Position 12345678910111213141516

+ *DDDDDDDD*UUUCRLF

or –*........ ***

or * ********

or 000000

*: Space 0: Zero

D: Digit or displayed character CR: Carriage return

U: Unit symbol LF: Line feed

. : Decimal point

Special Codes

Position 12345678910111213141516

*******––*****CRLF

or H

or L

*: Space H: Overload

– –: Final readout mode L: Underload

Error Codes

Position 12345678910111213141516

*****E*###****CRLF

*: Space

# # #: Error code number

Example: Data output + 1255.7 g at stability

Position 12345678910111213141516

+* * *1255·7* g* *CRLF

Position 1: Plus or minus sign or space

Position 2: Space

Position 3 –10: Weight with a decimal point; leading zeros = space

Position 11: Space

Position 12 –14: Unit symbol or space

Position 15: Carriage return

Position 16: Line feed

Output Format with 22 Characters

When data with an ID code is output, the ID code consisting of 6 characters precedes the

data with the 16-character format. These 6 characters identify the following value.

12345678910111213141516171819202122

I IIIII+*DDDDDDDD*UUUCRLF

****– ········ ***

* ********

000000

I: ID code character U: Unit symbol

*: Space CR: Carriage return

D: Digit or displayed character LF: Line feed

. : Decimal point

0: Zero

Special Codes

12345678910111213141516171819202122

STAT*********––*****CRLF

*: Space H: Overload

– –: Final readout mode L: Underload

(readout has not yet stabilized)

Error Codes

12345678910111213141516171819202122

STAT*******E*###****CRLF

*: Space # # #: Error code number

ID code characters Meaning

Stat Status

NNet N

N1 Net N1 (when data in the 2nd tare memory)

Qnt Counting: quantity (piece count)

Prc Weighing in percent: percentage

Res Calculation, averaging: result

wRef Automatic printout: average piece weight

Wxx% Automatic printout: reference percentage weight

Data Input Format

You can connect a computer to your balance/scale to

send commands via the balance/scale interface port

to control balance/scale functions and applications.

A control command can have up to 4 characters. Each

character must be transmitted according to the settings

configured in the Setup menu for data transmission.

Format for Control Commands

Format: Esc ! CR LF

Esc: Escape

!: Command char.

CR: Carriage return (optional)

LF: Line feed (optional)

Command character ! Meaning

K Weighing mode 1

L Weighing mode 2

M Weighing mode 3

N Weighing mode 4

O Block keys

P Print

R Release keys

S Restart

T Tare and zero (combined)

U Tare (“tare only”)

V Zero

W External calibration/adjustment

(depends on menu setting)

Synchronization

During data communication between the

balance/scale and an on-line device (computer),

messages consisting of ASCII characters are

transmitted via the interface. For error-free data

communication, the parameters for baud rate,

parity, handshake mode and character format

must be the same for both units.

You can set these parameters in the Setup menu

so that they match those of the on-line device.

You can also define parameters in the balance/

scale to make data output dependent on various

conditions. The conditions that can be config-

ured are described for each of the application

programs.

If you do not plug a peripheral device into

the balance/scale interface port, this will not

generate an error message.

Handshake

The balance/scale interface (Sartorius Balance

Interface = SBI) has transmit and receive buffers.

You can define the handshake parameter in the

Setup menu:

– Hardware handshake (CTS/DTR)

– Software handshake (XON, XOFF)

Hardware Handshake

With a 4-wire interface, 1 or 2 more characters

can be transmitted after CTS.

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