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CHAPTER 19: MODBUS PROTOCOL
Table 19–1: Modbus memory map (Sheet 18 of 33)
Address
Description
03C8
Port 16: Number of frames received
03CA
Port 16: Number of frames sent
03CC
Port 16: Total bytes received
03CE
Port 16: Total frames received
03D0
Port 16: Number of broadcast frames
received
03D2
Port 16: Number of multicast frames
received
03D4
Port 16: Number of frames with CRC
error
03D6
Port 16: Number of oversized frames
received
03D8
Port 16: Number of bad fragments
received (<64 bytes)
03DA
Port 16: Number of jabber frames
received
03DC
Port 16: Number of collisions occurred
03DE
Port 16: Number of late collisions
occurred
03E0
Port 16: Number of 64-byte frames
received/sent
03E2
Port 16: Number of 65 to 127 byte
frames received/sent
03E4
Port 16: Number of 128 to 255 byte
frames received/sent
03E6
Port 16: Number of 256 to 511 byte
frames received/sent
03E8
Port 16: Number of 512 to 1023 byte
frames received/sent
03EA
Port 16: Number of 1023 to maximum
byte frames received/sent
03EC
Port 16: Number of MAC error packets
03EE
Port 16: Number of dropped received
packets
03F0
Port 16: Number of multicast frames
sent
03F2
Port 16: Number of broadcast frames
sent
03F4
Port 16: Number of <64 byte fragments
with good CRC
03F6
Port 17: Number of bytes received
03F8
Port 17: Number of bytes sent
03FA
Port 17: Number of frames received
03FC
Port 17: Number of frames sent
03FE
Port 17: Total bytes received
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
19–21
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