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MODBUS PROTOCOL
Table 19–1: Modbus memory map (Sheet 19 of 33)
Address
Description
0400
Port 17: Total frames received
0402
Port 17: Number of broadcast frames
received
0404
Port 17: Number of multicast frames
received
0406
Port 17: Number of frames with CRC
error
0408
Port 17: Number of oversized frames
received
040A
Port 17: Number of bad fragments
received (<64 bytes)
040C
Port 17: Number of jabber frames
received
040E
Port 17: Number of collisions occurred
0410
Port 17: Number of late collisions
occurred
0412
Port 17: Number of 64-byte frames
received/sent
0414
Port 17: Number of 65 to 127 byte
frames received/sent
0416
Port 17: Number of 128 to 255 byte
frames received/sent
0418
Port 17: Number of 256 to 511 byte
frames received/sent
041A
Port 17: Number of 512 to 1023 byte
frames received/sent
041C
Port 17: Number of 1023 to maximum
byte frames received/sent
041E
Port 17: Number of MAC error packets
0420
Port 17: Number of dropped received
packets
0422
Port 17: Number of multicast frames
sent
0424
Port 17: Number of broadcast frames
sent
0426
Port 17: Number of <64 byte fragments
with good CRC
0428
Port 18: Number of bytes received
042A
Port 18: Number of bytes sent
042C
Port 18: Number of frames received
042E
Port 18: Number of frames sent
0430
Port 18: Total bytes received
0432
Port 18: Total frames received
0434
Port 18: Number of broadcast frames
received
0436
Port 18: Number of multicast frames
received
19–22
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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