 Data is read from the buffer memory area specified by (s)+2 and (s)+3 that is included in the station specified by (s)+1 or from the device of the CPU module.

 The read data is stored in the receive buffer of the master station.

 The read data is stored in the device specified by (d1) and later, and the device specified by (d2) is turned on.

• The completion status of the G(P).RIRD instruction can be checked with the completion device (d2) and the completion

status indication device (d2)+1.

• Completion device (d2)

This device turns on during END processing of the scan where the G(P).RIRD instruction completes, and turns off during the next END processing.

• Completion status indication device (d2)+1

This device turns on or off depending on the completion status of the G(P).RIRD 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 G(P).RIRD instruction completes, and turns off during the

next END processing.

Precautions

• The monitoring time and the number of retries can be set with the following link special registers (SWs).

• Monitoring time setting (SW0009)

• Setting of the number of retries for dedicated instruction (SW000B)

• The G(P).RIRD instruction can be concurrently executed from the master station for two or more local, standby master, or

intelligent device stations. Two or more dedicated instructions cannot be concurrently executed for a single station. Two or

more dedicated instructions, including those other than G(P).RIRD, cannot be concurrently executed from a local station

even for another station. If the next dedicated instruction is issued before completion of the preceding one that has started,

the next one will be ignored. Create the program so that the next dedicated instruction will start after the completion device

turns on, because processing of a dedicated instruction takes several scans until its completion.

Operation error