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Serial communication, General information – Burkert Type 8717 User Manual

Page 7

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7

Serial Communication

3.

Serial COMMuniCaTiOn

3.1.

general information

3.1.1.

rS232 - Driver included in the device

(e.g. for types 8626/8006, 8716/8706, 8712/8702)

mfc / mfm

pc (SuB-D 9-pin plug)

RS232 Txd (pin 6 SUB-Hd socket)

Pin 2

RS232 Rxd (pin 14 SUB-Hd socket)

Pin 3

RS232 GNd (pin 15 SUB-Hd socket)

Pin 5

3.1.2.

rS232 - Driver not included in the device

(e.g. for type 8711/8701)

mfc / mfm
Txd

From device

(pin 15 SUB-d plug)

Rxd

From device

(pin 14 SUB-d plug)

GNd

From device

(pin 11 SUB-d plug)

3.1.3.

Transfer protocol

transfer channels

The following lines are used for the serial interface:

Wire-conducted communication
GNd

Ground

Rxd

Reception line (as seen by MFC)

Txd

Transmission line (as seen by MFC)

Data format

The layout of the serial interface protocol is as follows:

Transfer rate

Standard 9600 Bd (differs from HART)

data bits

8

Parity

None (differs from HART)

Stop bits

1

Hardware handshake

No

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MFC Family