APPX
Appendix 3 Buffer Memory
345
A
CPU module (built-in Ethernet port part)
The following table lists the buffer memory addresses related to the Ethernet function of the CPU module (built-in Ethernet
port part).
Address Application Name
Decimal Hexadecimal
50 to 51 32H to 33H Own node setting status
storage area
Own node IP address
60 to 61 3CH to 3DH Subnet mask
64 to 65 40H to 41H Default gateway IP address
74 to 76 4AH to 4CH Own node MAC address
77 4DH Own node network number
78 4EH Station number
80 50H Send frame setting
82 52H Communication speed setting
83 53H Auto-open UDP port number
84 54H MELSOFT connection TCP port number
85 55H MELSOFT connection UDP port number
86 56H MELSOFT direct connection port number
87 57H Network number/Station number setting status
100 64H Communication load
status of the built-in
Ethernet port
Receive packet count per unit time (one
second)
Receive packet count (current) per unit
time (one second)
101 65H Receive packet count (maximum) per unit
time (one second)
102 66H Send packet count per unit time (one
second)
Send packet count (current) per unit time
(one second)
103 67H Send packet count (maximum) per unit
time (one second)
130 to 145 82H to 91H Connection status
storage area
Connection No.1 latest error code to Connection No.16 latest error code
146 92H System port latest error
code storage area
FTP server latest error code
147 93H MELSOFT direct connection latest error code
148 94H FTP client latest error code
150 to 151 96H to 97H Status for each protocol IP packet Received packet total count
152 to 153 98H to 99H Received packet checksum error discard
count
154 to 155 9AH to 9BH Sent packet total count
172 to 173 ACH to ADH Simultaneous transmission error detection
count
(Receive buffer full count)
179 B3H Receive abort count
182 to 183 B6H to B7H ICMP packet Received packet total count
184 to 185 B8H to B9H Received packet checksum error discard
count
186 to 187 BAH to BBH Sent packet total count
188 to 189 BCH to BDH Received echo request total count
190 to 191 BEH to BFH Sent echo replay total count
192 to 193 C0H to C1H Sent echo request total count
194 to 195 C2H to C3H Received echo reply total count
196 to 197 C4H to C5H TCP packet Received packet total count
198 to 199 C6H to C7H Received packet checksum error discard
count
200 to 201 C8H to C9H Sent packet total count
204 to 205 CCH to CDH UDP packet Received packet total count
206 to 207 CEH to CFH Received packet checksum error discard
count
208 to 209 D0H to D1H Sent packet total count
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