GT10/GT304.12 Connecting with a PLC by Omron Corp.

Communicating with a peripheral board

The system areas should be set as indicated below.

Address

Value set

Setting contents

DM6600

0201 (HEX)

PLC main unit mode setting (monitor mode)

DM6550

0001 (HEX)

RS232C port mode setting (higher–order link)

DM6551

0004 (HEX)

Communication conditions settings (19200 bits/s, 7 bits, even, 1 bit)

 

 

 

Devices that can be used

Device type

Address range

Points

Relay area

0000CH to 0252CH

253 words

Data memory area

DM0000 to DM6143

6143 words

NOTES

Depending on the type being used, the address range may be limited to a small range. Please refer to the instruction manual of the PLC being used for detailed information.

Data cannot be written to relay areas 253–255CH.

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