GT10/GT30
Connecting and Communicating with the PLC
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4.12 Connecting with a PLC by Omron Corporation
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
*1 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.
*2 Data cannot be written to relay areas 253-255CH.
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