15 NETWORK COMMON INSTRUCTIONS
15.1 Link Dedicated Instructions
1489
15
• These instructions send the data in the device specified by (s2) and later in the own station to the station connected to the
target station specified by the target network number and target station number of the control data. The data that has been
sent is stored in the channel specified by (s2) in the target station. To read the sent data in the target station, use the RECV/
RECVS instruction. Upon completion of sending data to the target station number, the completion device specified by (d)
turns on.
• For the target stations that can be specified, refer to the following.
Page 1449 Target networks and target station types
• Data can be sent not only to the stations connected to the own station network but also to stations connected to the network
number specified by MELSECNET/H, MELSECNET/10, or Ethernet.
• When executing multiple link dedicated instructions concurrently, be careful not to overlap the channels of the link
dedicated instructions. Multiple link dedicated instructions specifying the same channel cannot be used concurrently.
• The execution status and the completion status of the SEND instruction can be checked with the completion device (d) and
the completion status indication device (d)+1.
CH: Channel
• Completion device (d)
This device turns on during END processing of the scan where the SEND instruction completes, and turns off during the next END processing.
• Completion status indication device (d)+1
This device turns on or off depending on the completion status of the SEND instruction.
When completed successfully: The device remains off.
When completed with an error: The device turns on during END processing of the scan where the SEND instruction completes, and turns off during the next
END processing.
SEND
(s2)
·
·
·
·
CH1
CHn
CH1
CHn
RECV
CPU module CPU module Network moduleNetwork module
[Own station] [Target station]