Led Status; Hub Connection Status Area; Ip Address Duplication Status Storage Area; Area For Sending/Receiving Instructions - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

Own node operation status storage area
■LED status (Un\G5189)
Address
Un\G5189
■Hub connection status area (Un\G5191 to Un\G5194)
The hub connection status of the Ethernet-equipped module is stored.
Address
Un\G5191
Un\G5192
Un\G5193
Un\G5194
■IP address duplication status storage area (Un\G5200 to Un\G5206)
Information when IP address is duplicated is stored.
Address
Un\G5200
Un\G5201 to Un\G5203
Un\G5204 to Un\G5206

Area for sending/receiving instructions

■RECV instruction execution request (Un\G5301)
Address
Un\G5301
■Link dedicated instruction (Un\G5323 to Un\G5325)
The execution result of the link dedicated instruction is stored.
Address
Un\G5323
Description
Stores the on/off status of the P ERR LED.
0: Off
1: On or flashing
Name
Communication mode
Connection status
Communication speed
Disconnection count
Name
Same IP address detection flag
MAC address of the station already connected to the
network
MAC address of the station with the IP address already
used
Description
Stores the RECV instruction execution request status of each channel in b0 to b7 (channel 1 to 8).
On: Requesting
Off: No request
Name
ZNRD instruction execution result
Description
Stores the communication mode.
0: Half-duplex
1: Full-duplex
Stores the connection status.
0: Hub is not connected or disconnected
1: Hub connected
Stores the communication speed.
0: Operating at 10BASE-T
1: Operating at 100BASE-TX
2: Operating at 1000BASE-T
Stores the number of times the cable was disconnected.
Description
Stores IP address duplication status.
0: IP address not duplicated
1: IP address duplicated
Stores the MAC address of the station that has been
already connected to the network in the station with
duplicated IP address.
Un\G5201: 5th byte, 6th byte of the MAC address
Un\G5202: 3rd byte, 4th byte of the MAC address
Un\G5203: 1st byte, 2nd byte of the MAC address
"FFFFFFFFFFFFH" is stored in the station that has been
already connected to the network.
Stores the MAC address of the station with duplicated IP
address in the station that has been already connected to
the network.
Un\G5204: 5th byte, 6th byte of the MAC address
Un\G5205: 3rd byte, 4th byte of the MAC address
Un\G5206: 1st byte, 2nd byte of the MAC address
"FFFFFFFFFFFFH" is stored in the station with duplicated
IP address.
Description
Stores the execution result of the ZNRD instruction.
0: Completed successfully
Other than 0: Completed with an error (An error code is
stored.)
Appendix 3 Buffer Memory
A
APPX
357