Mitsubishi Electric MELSEC iQ-R Series User Manual page 183

■Layer 2 RTR flags (Un\G8350 to Un\G8352)
When the following conditions are met, message slots that received RTR messages can be checked.
• The CAN-ID of an RTR message and the CAN-ID of the corresponding message slot match.
• The corresponding message slot is configured as a transmit message slot.
• The corresponding message slot is set to 6FFFH (Manual RTR).
"Layer 2 RTR flag" is updated without regard to output signal Y1.
Each bit in this area will turn on when a valid RTR message is received. The timing of RTR response varies depending on the
setting. ( Page 67 RTR response timing)
When an RTR response message is transmitted, the corresponding bit in this area will be cleared automatically.
Address Bit
Un\G8350 b0
b1

b14
b15
Un\G8351 b0
b1

b14
b15
Un\G8352 b0
b1

b9
b10

b15
Description
RTR message for Layer 2 message slot 1 received
RTR message for Layer 2 message slot 2 received

RTR message for Layer 2 message slot 15 received
RTR message for Layer 2 message slot 16 received
RTR message for Layer 2 message slot 17 received
RTR message for Layer 2 message slot 18 received

RTR message for Layer 2 message slot 31 received
RTR message for Layer 2 message slot 32 received
RTR message for Layer 2 message slot 33 received
RTR message for Layer 2 message slot 34 received

RTR message for Layer 2 message slot 42 received
System area

System area
APPX
Appendix 2 Buffer Memory
A
181