Mitsubishi Electric MELSEC iQ-R Series User Manual page 68

Displayed items
Item
Name
Comments
Stream
Function
Response Monitoring
Transmission 
Request
Control Register
Trigger
Trigger Hold Time
Cyclic
Transmission
Response
Message
Monitoring
Setting

Reception
Notification
Trigger
Control Register
Trigger Keep Time
Auto Reply
*1 Displayed only by the "Primary message information" screen.
7 BASIC FUNCTIONS
66
7.4 Transaction List
Description
Configure the message name.
Configure the comment.
Select a stream (SECS message section: 1 to 127).
Select a function (designated message within stream: 1 to 255).
Select this checkbox to monitor the secondary message response corresponding to the primary
message sending.
When a primary message is sent from the SECS/GEM communication software, the wait bit (W bit) of
the primary message is configured to ON, which indicates that there must be a secondary message to
the other party.
Select this checkbox to send a message by a trigger notification from the programmable controller CPU.
Configure the sending request trigger relay.
A sending request trigger results when the sending request trigger relay was held for the configured
time.
If the "Disable" checkbox is selected, sending request trigger processing is carried out without hold
monitoring.

Select this checkbox to send in cycles.
*1
When the sending request trigger is ON, sending occurs at the time interval configured for Interval.
Interval Unit Configure the unit of time for cyclic sending.
Interval Select to set the time interval of cyclic sending.
For details on the configurable range, refer to the following:
Page 67 Interval unit and configuration range
Control Select when a register is used for the interval setting.
Register For details on the configurable range, refer to the following:
Page 67 Interval unit and configuration range

Select this checkbox when dialog monitoring is necessary for sequence processing between the
equipment and host.
This time is monitored when the primary message is sent, the secondary message is received, and then
*1
the primary message to be received from the host has been determined.
T9 Timer Specify the monitoring time.
Response Select the message subject to receipt monitoring.
Message For details of reserve messages, refer to the following:
Page 288 List of reserved transactions and format
Page 290 System error (S9Fx)
Select this checkbox when message reception is reported to the programmable controller CPU.
A trigger notification is sent to the programmable controller CPU during receipt.
Configure the relay to be the reception notification trigger.
Fill this field when "None" was selected for "Handshake specification" at the "Transaction information"
screen.
After the reception notification trigger relay is held for the specified time, control switches OFF
automatically.
*1
Select this checkbox to return a response message without waiting for a response from the
programmable controller CPU after message receipt.
A reception notification handshake is required even for an automatic response.