8235 datasheet(20/22 Pages) PHOENIX

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IB IL RS UNI(-2MBD)-PAC

8235_en_01

PHOENIX CONTACT

Byte 7 ... 9 (Uni1 ... Uni3: universal byte 1 ... 3)

These bytes can be used as universal bytes for direct specifi-

cation of the baud rate or the data width.

Direct specification of baud rate

If the provided baud rates do not correspond to the desired

baud rate, the baud rate can be directly specified. For this,

write the desired baud rate on the Uni1 to Uni3 fields in the

form of a numeric value. Transfer is right-aligned. However,

only the 2 lower bits of Uni1 are permitted.

The maximum value is 18 bits. The maximum value =

3FFFF

hex which corresponds to 262143 baud.

Direct specification of the data width

If the provided combinations of data width, parity and stop bits

are inadequate, they can be directly specified. Use the Uni1

byte. Bit 1 and bit 0 are reserved.

Example for direct specification of the baud rate:

–

Baud rate: 100000 baud

–

100000

dec = 01 86 A0hex

Byte 7

Byte 8

Byte 9

5432107

...

Data width

Baud rate

Parity

Enable parity

Stop

bits

Data bits

res.

Parity

Code [bin]

Meaning

Odd

Even

Constantly at 1

Constantly at 0

Enable parity

Code [bin]

Meaning

0Disable

1Enable

Stop bits

Code [bin]

Meaning

01 stop bit

12 stop bits

Data bits

Code [bin]

Meaning

5 bits

6 bits

7 bits

8 bits

Word

0123456

Byte

OUT

hex

T/P

B/DB

res.

ErrP

Uni1

Uni2

Uni3

res.

OUT

hex

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