AutomationDirect PLCs, RS232 User Manual

Barcode Scanners Communication
To AutomationDirect PLCs via RS232

To allow the Code barcode readers to communicate to the AutomationDirect PLCs, you must rst set

up the scanner. With the scanner powered up, scan the column of code that correlates with the read­er’s part number.

User will need to select the baud rate, number of data bits, parity, and stop bits and set up RS232
connection through the selected PLC software.

USB Connections (CRA-500-C298, CRA-C508-C298)

RS232 Connections (CRA-501-C298, CRA-C502-C298)

5VDC

TX

RX

0VDC

DB9 to RJ12 (CRA-519-C298)

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CR950/CR1100 Configuration Codes

Conguration changes will take effect immediately and be saved to memory

Reset and Reboot

Note: When a Factory Reset is performed, a Reboot will be necessary.

Factory Reset Reboot Reader

1A

Baud Rate

RS232 Interface

2A

1200 Baud Rate

Reset to RS232

1B

Factory Defaults

RS232 Interface

2B

2400 Baud Rate

1C 1D

2C 2D

RS232 Interface
4800 Baud Rate

Enable RS232
Serial Mode
(Default)

RS232 Interface
9600 Baud Rate

RS232 Interface

3A

19200 Baud Rate

Additional conguration codes can be found in the conguration guides as follows:

CR950 https://www.automationdirect.com/pn/doc/manual/CR950-K301-C298

CR1100 https://www.automationdirect.com/pn/doc/manual/CR1100-K201-C298

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RS232 Interface

3B

38400 Baud Rate

3C 3D

RS232 Interface
57600 Baud Rate

RS232 Interface
115200 Baud Rate
(Default)

CR950/CR1100 Configuration Codes (continued)

Conguration changes will take effect immediately and be saved to memory

Data Bits

RS232 Interface

4A

7 Data Bits

Parity

RS232 Interface

5A

Even Parity

RS232 Interface

4B

8 Data Bits
(Default)

RS232 Interface

5B

No Parity

Stop Bit

RS232 Interface

4C

1 Stop Bit
(Default)

RS232 Interface

5C

Odd Parity

RS232 Interface

4D

2 Stop Bit

Sufx

Sufx Carriage

6A

Return
(RS232 Mode Only)

Additional conguration codes can be found in the conguration guides as follows:

CR950 https://www.automationdirect.com/pn/doc/manual/CR950-K301-C298

CR1100 https://www.automationdirect.com/pn/doc/manual/CR1100-K201-C298

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Sufx Carriage Return

6B

Line Feed
(RS232 Mode Only)
(Default)

Sufx Line Feed

6C

(RS232 Mode Only)

Erase Sufx Data

6C

CR6022 Series Configuration Codes

Conguration changes will take effect immediately and be saved to memory

Reset and Reboot

Reset to RS232

7A

Factory Defaults

Baud Rate

RS232 Interface

8A

1200 Baud Rate

Reset to USB

7B

Factory Defaults

RS232 Interface

8B

2400 Baud Rate

Reboot Reader

7C

RS232 Interface

8C

4800 Baud Rate

Note: When a
Factory Reset is
performed, a Reboot
will be necessary.

RS232 Interface

8D

9600 Baud Rate

RS232 Interface

9A

19200 Baud Rate

Additional conguration codes can be found in the conguration guide as follows:

CR6022 https://www.automationdirect.com/pn/doc/manual/CR6022-C500-C298

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RS232 Interface

9B

38400 Baud Rate

RS232 Interface

9C

57600 Baud Rate

RS232 Interface

9D

115200 Baud Rate
(Default)

CR6022 Series Configuration Codes (continued)

Conguration changes will take effect immediately and be saved to memory

Data Bits

RS232 Interface

10A

7 Data Bits

Parity

RS232 Interface

11A

Even Parity

RS232 Interface

10B

8 Data Bits
(Default)

11B

RS232 Interface
Odd Parity

Stop Bit

RS232 Interface

10C

11C

Stop Bit 1
(Default)

RS232 Interface
No Parity
(Default)

RS232 Interface

10D

Stop Bit 2

Sufx

Sufx Carriage Return

12A

(RS232 Mode Only)

Additional conguration codes can be found in the conguration guide as follows:

CR6022 https://www.automationdirect.com/pn/doc/manual/CR6022-C500-C298

12B

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Sufx Carriage Return

Line Feed
(RS232 Mode Only)

Sufx Line Feed

12C

(RS232 Mode Only)

Erase Sufx Data

12D

(Default)

Productivity PLC Example

The Productivity PLC ASCII Input Task handles the ASCII input received at the RS-232 port of the
CPU. This example assumes the ASCII sending device is terminating each message with a carriage
return (0xD)

The Serial Port needs to be set up. This example assumes Baud Rate = 9600, Parity = Odd,

Data Bits = 8, and Stop Bits = 1, but any conguration can work.

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