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MODBUS PROTOCOL
Table 19–1: Modbus memory map (Sheet 15 of 33)
Address
Description
0320
Port 12: Number of 512 to 1023 byte
frames received/sent
0322
Port 12: Number of 1023 to maximum
byte frames received/sent
0324
Port 12: Number of MAC error packets
0326
Port 12: Number of dropped received
packets
0328
Port 12: Number of multicast frames
sent
032A
Port 12: Number of broadcast frames
sent
032C
Port 12: Number of <64 byte fragments
with good CRC
032E
Port 13: Number of bytes received
0330
Port 13: Number of bytes sent
0332
Port 13: Number of frames received
0334
Port 13: Number of frames sent
0336
Port 13: Total bytes received
0338
Port 13: Total frames received
033A
Port 13: Number of broadcast frames
received
033C
Port 13: Number of multicast frames
received
033E
Port 13: Number of frames with CRC
error
0340
Port 13: Number of oversized frames
received
0342
Port 13: Number of bad fragments
received (<64 bytes)
0344
Port 13: Number of jabber frames
received
0346
Port 13: Number of collisions occurred
0348
Port 13: Number of late collisions
occurred
034A
Port 13: Number of 64-byte frames
received/sent
034C
Port 13: Number of 65 to 127 byte
frames received/sent
034E
Port 13: Number of 128 to 255 byte
frames received/sent
0350
Port 13: Number of 256 to 511 byte
frames received/sent
0352
Port 13: Number of 512 to 1023 byte
frames received/sent
0354
Port 13: Number of 1023 to maximum
byte frames received/sent
0356
Port 13: Number of MAC error packets
19–18
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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