123
Programless Communications Section 5-1
■ Station Number Setting
Set to 0000H to match the EJ1 setting.
If the station number of the Serial Communications Unit is set to any value
except 0, set the programless communications node number in the EJ1 to the
same value.
MELSEC-QnAS Series Make the settings shown in the following table for the channels being used.
Note If both channel 1 and channel 2 are used, make sure that the total baud rate
for both channels is 115.2 kbps or less.
Note (a) If settings other than those listed above are made, make the same
settings on the EJ1.
(b) Refer to the PLC operation manual for details on setting methods.
5-1-4 Description of Operation
Set values are read and changed and operation commands are executed by
setting a value in a Request Bits allocated in a PLC memory area.
Setting switch Setting
Station number switch 00
Mode switch Dedicated protocol
Binary mode
Format 5
Transmission
specifications
switch
Operation setting Independent operation
Data bits 8 bits
Parity bit enable/disable Enable
Even parity/odd parity Even
Stop bits 1 bit
Checksum Yes
Write during RUN enable/disable Enable
Setting change enable/disable Enable
Transmission rate 115.2 kbps (See note.)
DM Area Meaning
D00000 Read Response Bits
D00001 Setting Change Response Bits
D00002 Operation Command Response Bits
D00500 Read Request Bits
D00501 Setting Change Request Bits
D00502 Operation Command Request Bits
To Next Page
Loading...
Need help?
General
