Buffer Memory Details - Mitsubishi Electric MELSEC iQ-R Series User Manual

Buffer memory details

This section explains the details of the buffer memory of the C intelligent function module.
Module status area (Un\G0 to 20)
The status of each LED and operation of a C intelligent function module can be checked.
Buffer memory name
RUN LED status
ERR LED status
CARD RDY LED status
USER LED status
Module operating status
*1 Status in which nothing can be written to input signal (X) and buffer memory.
Network connection status area (Ethernet port CH1) (Un\G47 to 60)
The network connection status of a C intelligent function module (Ethernet port CH1) can be checked in this area.
In a redundant system, the network connection status of system A or system B set in parameters can be checked. Whether
the connective system is system A or system B can be checked in "Redundant System Status" in the system monitor.
Name
IP address (string notation)
IP address
Subnet mask
Default gateway
*1 If "Not Use" is selected in "Use or Not to Use" for CH1 of an RD55UP12-V, a string is not stored.
*2 If "Not Use" is selected in "Use or Not to Use" for CH1 of an RD55UP12-V, '0' is stored in all addresses in this area.
Common settings status area (Ethernet port CH1) (Un\G70 to 76)
The network setting status of the common setting (Ethernet port CH1) can be checked in this area.
In a redundant system, the network setting status of system A or system B set in parameters can be checked. Whether the
connective system is system A or system B can be checked in "Redundant System Status" in the system monitor.
Name
Set whether to use the Ethernet port (CH1)
IP address
Subnet Mask
Default gateway
APPX
92
Appendix 3 Buffer Memory
Address Description
Un\G0 0: OFF, 1: ON, 2: Flashing
Un\G1 0: OFF, 1: ON, 2: Flashing
Un\G2 0: OFF, 1: ON
Un\G3 0: OFF, 1: ON, 2: Flashing
Un\G20 0: Initializing, 1: Running, 3: Stop
Address Description
RD55UP06-V
Un\G47 to 54 IP address is stored in character string.
The initial value is '192.168.3.3.'
Un\G55 to 56 IP address is stored in double word (32 bit value).
The initial value is C0A80303H.
Un\G57 to 58 IP subnet mask is stored in double word (32 bit value).
The initial value is FFFFFF00H (255.255.255.0).
Un\G59 to 60 Default gateway address is stored in double word (32 bit value).
Address Description
RD55UP06-V
Un\G70 System area
Un\G71 to 72 IP address is stored in double word (32 bit value).
Un\G73 to 74
Un\G75 to 76
*1
RD55UP12-V
*1
*2
*2
*2
RD55UP12-V
• 0: Use
• 1: Not Use
The initial value is '0' (Use).