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CHAPTER 19: MODBUS PROTOCOL
Table 19–1: Modbus memory map (Sheet 24 of 33)
Address
Description
0518
Port 22: Number of MAC error packets
051A
Port 22: Number of dropped received
packets
051C
Port 22: Number of multicast frames
sent
051E
Port 22: Number of broadcast frames
sent
0520
Port 22: Number of <64 byte fragments
with good CRC
0522
Port 23: Number of bytes received
0524
Port 23: Number of bytes sent
0526
Port 23: Number of frames received
0528
Port 23: Number of frames sent
052A
Port 23: Total bytes received
052C
Port 23: Total frames received
052E
Port 23: Number of broadcast frames
received
0530
Port 23: Number of multicast frames
received
0532
Port 23: Number of frames with CRC
error
0534
Port 23: Number of oversized frames
received
0536
Port 23: Number of bad fragments
received (<64 bytes)
0538
Port 23: Number of jabber frames
received
053A
Port 23: Number of collisions occurred
053C
Port 23: Number of late collisions
occurred
053E
Port 23: Number of 64-byte frames
received/sent
0540
Port 23: Number of 65 to 127 byte
frames received/sent
0542
Port 23: Number of 128 to 255 byte
frames received/sent
0544
Port 23: Number of 256 to 511 byte
frames received/sent
0546
Port 23: Number of 512 to 1023 byte
frames received/sent
0548
Port 23: Number of 1023 to maximum
byte frames received/sent
054A
Port 23: Number of MAC error packets
054C
Port 23: Number of dropped received
packets
054E
Port 23: Number of multicast frames
sent
MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
Range
Step
Format
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
0 to
1
F9
4294967295
MODBUS PROTOCOL
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19–27
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