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MODBUS PROTOCOL
Table 19–1: Modbus memory map (Sheet 25 of 33)
Address
Description
0550
Port 23: Number of broadcast frames
sent
0552
Port 23: Number of <64 byte fragments
with good CRC
0554
Port 24: Number of bytes received
0556
Port 24: Number of bytes sent
0558
Port 24: Number of frames received
055A
Port 24: Number of frames sent
055C
Port 24: Total bytes received
055E
Port 24: Total frames received
0560
Port 24: Number of broadcast frames
received
0562
Port 24: Number of multicast frames
received
0564
Port 24: Number of frames with CRC
error
0566
Port 24: Number of oversized frames
received
0568
Port 24: Number of bad fragments
received (<64 bytes)
056A
Port 24: Number of jabber frames
received
056C
Port 24: Number of collisions occurred
056E
Port 24: Number of late collisions
occurred
0570
Port 24: Number of 64-byte frames
received/sent
0572
Port 24: Number of 65 to 127 byte
frames received/sent
0574
Port 24: Number of 128 to 255 byte
frames received/sent
0576
Port 24: Number of 256 to 511 byte
frames received/sent
0578
Port 24: Number of 512 to 1023 byte
frames received/sent
057A
Port 24: Number of 1023 to maximum
byte frames received/sent
057C
Port 24: Number of MAC error packets
057E
Port 24: Number of dropped received
packets
0580
Port 24: Number of multicast frames
sent
0582
Port 24: Number of broadcast frames
sent
0584
Port 24: Number of <64 byte fragments
with good CRC
0586
Port 25: Number of bytes received
19–28
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
MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
CHAPTER 19: MODBUS PROTOCOL
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