CHAPTER 18: MODBUS PROTOCOL
MODBUS PROTOCOL
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
18–17
0320
Port 12: Number of 512 to 1023 byte
frames received/sent
0 to
4294967295
1
F9
0
0322
Port 12: Number of 1023 to maximum
byte frames received/sent
0 to
4294967295
1
F9
0
0324
Port 12: Number of MAC error packets
0 to
4294967295
1
F9
0
0326
Port 12: Number of dropped received
packets
0 to
4294967295
1
F9
0
0328
Port 12: Number of multicast frames
sent
0 to
4294967295
1
F9
0
032A
Port 12: Number of broadcast frames
sent
0 to
4294967295
1
F9
0
032C
Port 12: Number of <64 byte fragments
with good CRC
0 to
4294967295
1
F9
0
032E
Port 13: Number of bytes received
0 to
4294967295
1
F9
0
0330
Port 13: Number of bytes sent
0 to
4294967295
1
F9
0
0332
Port 13: Number of frames received
0 to
4294967295
1
F9
0
0334
Port 13: Number of frames sent
0 to
4294967295
1
F9
0
0336
Port 13: Total bytes received
0 to
4294967295
1
F9
0
0338
Port 13: Total frames received
0 to
4294967295
1
F9
0
033A
Port 13: Number of broadcast frames
received
0 to
4294967295
1
F9
0
033C
Port 13: Number of multicast frames
received
0 to
4294967295
1
F9
0
033E
Port 13: Number of frames with CRC
error
0 to
4294967295
1
F9
0
0340
Port 13: Number of oversized frames
received
0 to
4294967295
1
F9
0
0342
Port 13: Number of bad fragments
received (<64 bytes)
0 to
4294967295
1
F9
0
0344
Port 13: Number of jabber frames
received
0 to
4294967295
1
F9
0
0346
Port 13: Number of collisions occurred
0 to
4294967295
1
F9
0
0348
Port 13: Number of late collisions
occurred
0 to
4294967295
1
F9
0
034A
Port 13: Number of 64-byte frames
received/sent
0 to
4294967295
1
F9
0
034C
Port 13: Number of 65 to 127 byte
frames received/sent
0 to
4294967295
1
F9
0
034E
Port 13: Number of 128 to 255 byte
frames received/sent
0 to
4294967295
1
F9
0
0350
Port 13: Number of 256 to 511 byte
frames received/sent
0 to
4294967295
1
F9
0
0352
Port 13: Number of 512 to 1023 byte
frames received/sent
0 to
4294967295
1
F9
0
0354
Port 13: Number of 1023 to maximum
byte frames received/sent
0 to
4294967295
1
F9
0
0356
Port 13: Number of MAC error packets
0 to
4294967295
1
F9
0
Table 18–1: Modbus memory map (Sheet 15 of 33)
Address
Description
Range
Step
Format
Default