Mitsubishi Electric MELSEC iQ-R Series User Manual page 484

Own node operation status storage area (LED on/off status)
■Own node operation status storage area (LED on/off status) (Un\G2102341)
ERR LED (b0)
• 1: On/flashing
• 0: Off
Own node operation status storage area (switching hub connection information area)
■Communication mode (Un\G2102343, Un\G4199495)
• 0: Half-duplex
• 1: Full-duplex
■Connection status (Un\G2102344, Un\G4199496)
• 0: Switching hub not connected/disconnected
• 1: Switching hub connected
■Communication speed (Un\G2102345, Un\G4199497)
• 0: Operating at 10BASE-T
• 1: Operating at 100BASE-TX
• 2: Operating at 1000BASE-T
■The number of disconnection (Un\G2102346, Un\G4199498)
The number of times the cable was disconnected is stored.
IP address duplication status storage area
■IP address duplication flag (Un\G2102352, Un\G4199504)
• 0: IP address not duplicated
• 1: IP address duplicated
■MAC address of the station already connected to the network (Un\G2102353 to Un\G2102355,
Un\G4199505 to Un\G4199507)
It is stored in the station with duplicated IP address.
■MAC address of the station with the IP address already used (Un\G2102356 to Un\G2102358,
Un\G4199508 to Un\G4199510)
It is stored in the station that has been already connected to the network.
Area for sending/receiving instructions (RECV instruction execution request)
■Area for sending/receiving instructions (RECV instruction execution request) (Un\G2102453)
RECV instruction execution request
• 1: Requesting
• 0: No request
Channels 1 to 8 are displayed in units of bits.
APPX
482
Appendix 3 Buffer Memory