Rockwell-automation 1203 Serial Communications Module Series A Bedienungsanleitung PDF herunterladen (Seite 22)

Chapter 3

Installation

3-6

Switch SW2

Switch SW2 is used to select:

 Baud rate

 Parity

 Number of Stop Bits

 Point-to-Point or Multi-Drop

 Checksum mode (CRC or BCC)

SW2

8765 43 21

Parity

Setting

Baud Rate

Selection

Stop Bits

Point-to-Point/Multi-Drop

Checksum Mode

AB0399A

Table 3.C

Switch SW2 Settings for BCC/CRC Selection

SW2-8 Function

Off BCC Checksum

On CRC Checksum

Table 3.D

Switch SW2 Settings for Point-to-Point / Multi-Drop Selection

SW2-7 Function

Off Point-to-Point

On Multi-Drop

Table 3.E

Switch SW2 Settings for Number of Stop Bits

SW2-6 Function

Off 1 Stop Bit

On 2 Stop Bits

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 67 68

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Rockwell-automation 1203 Serial Communications Module Series A Bedienungsanleitung Seite 22