30
Data transmission handshake is processed at PLC contacts on/off
(two points for each input and output).
Shared memory allocation
250 words
(500 characters)
CH1 end code
configuration area
CH1 sending data length
250 words
(500 characters)
250 words
(500 characters)
250 words
(500 characters)
CH2 end code
configuration area
CH1 receiving data length
CH2 sending data length
CH2 receiving data length
Effective only when DIP SWITCH [shared
memory] is set, and set to lower bytes.
Effective only when the CH1
communication is set to HEX (BIN).
Effective only when the CH2
communication is set to HEX (BIN).
CH1 sending buffer
→
RS-232C (RS485) device
CH1 receiving buffer
←
RS-232C (RS485) device
CH2 sending buffer
→
RS-232C (RS485) device
CH2 receiving buffer
←
RS-232C (485) device
250
500
1
501
251
750
751
1000
1001
1002
1003
1004
1005
1006
Address
Sending buffer area: Data for sending is stored.
Receiving buffer area: Received data is stored.
NOTE
