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Baumer IVO GmbH & Co. KG 05.13 171.02.185/1

Dauchinger Strasse 58-62 DE-78056 Villingen-Schwenningen Subject to modification

Phone +49 7720 942-0 Fax +49 7720 942-900 in technic and design.

www.baumer.com info.de@baumerivo.com

Instruction Manual

Interface instruction

NE216 progr. 01

1. General

The serial interface can accomplish the same functions as the display and the keyboard of the counter. It is

possible to call up data and to change the programming of parameters. In general, the counter is controlled

via a PC. However, it is also possible to use another device with similar features.

2. Transmission protocol

The transmission is effected character by character in ASCII code. Each character consists of 8 bits. The 8

bit is the parity bit, and in case of "no parity" it will always be sent as zero.

The counter responds to every request of the PC via the serial interface if the data has been correctly trans-

mitted.

Character transmission is introduced with the start-of-text character <STX> and closed by the end-of-text

character <ETX>. In addition, the counter sends a <CR> (carriage return) after <ETX>. This allows the input

of a complete data block by means of one command (in high-level languages such as BASIC).

After <STX> there will follow an address allotted to the counter, making it possible to specifically address the

counter within a serial network. After the address, please indicate the position that you wish to read out or to

program. In case of a programming command, you will need to enter a "P" (for programming) and the data

(parameters).

The protocol is classified into three groups as indicated below:

a) Read memory space (READ instruction):

<STX> identifier line <ETX> [<CR>]

b) Write memory location (WRITE instruction):

<STX> identifier line P data <ETX> [<CR>]

c) Special commands:

<STX> identifier parameters <ETX> [<CR>]

<STX> Start of Text (02Hex)

Address 00...99 (device identifier)

Line 01...XX (see operating chart)

P Programming command

Data Parameter data

Parameter Special commands

<ETX> End of Text (03Hex)

<CR> 0DHex (control token "carriage return")

"CR" is optional but ever replied by the counter.

Example:

Standard <STX> identifier line <ETX> (identifier=35; line=02)

Ascii <STX>3502<ETX>

Hex 02H,33H,35H,30H,32H,03H

Important! The blanks between the particular characters of the commands only serve the purpose of better

legibility. PC input must be without blanks. Control characters (less than 20Hex) are in "pointed"

brackets. Any incorrect protocol received from the PC will be replied by an error message, pro-

vided NE216 remains still accessible. Please refer to chapter “Error messages” on page 4.

1 2 3 4 5 6 7

Sommario

Pagina 1 - Instruction Manual

Baumer IVO GmbH & Co. KG 05.13 171.02.185/1 Dauchinger Strasse 58-62 DE-78056 Villingen-Schwenningen Subject to modification Phone +49 77

Pagina 2

NE216 2 www.baumer.com 2. Reading of memory locations All memory locations indexed with a line number in the programming scheme enable read out (

Pagina 3 - Writing of memory locations

NE216 www.baumer.com 3 3. Writing of memory locations All memory locations indexed with a line number in the programming plan enable writing (pro

Pagina 4 - Special commands

NE216 4 www.baumer.com 4. Special commands In the case of special commands, we are talking about instructions that do not refer to any line number

Pagina 5

NE216 www.baumer.com 5 5. Error messages during data transfer If receiving an invalid data protocol from the PC (for example line not existing o

Pagina 6 - Operating Plan

NE216 6 www.baumer.com 7. Operating Plan Line Default Customer pa-rameterization Description 01 0 PC - current value displayed 02

Pagina 7 - 9. Programming plan

NE216 www.baumer.com 7 9. Programming plan Line 11-17 Status lines 1-7 0 Parameter enabled for programming 1 Delete resp. Input loc

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