CHAPTER 18: MODBUS PROTOCOL
MEMORY MAPPING
MULTILINK ML1600 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
18–17
0496
Port 20: Total frames received
0 to 4294967295
1
F9
0
0498
Port 20: Number of broadcast frames received
0 to 4294967295
1
F9
0
049A
Port 20: Number of multicast frames received
0 to 4294967295
1
F9
0
049C
Port 20: Number of frames with CRC error
0 to 4294967295
1
F9
0
049E
Port 20: Number of oversized frames received
0 to 4294967295
1
F9
0
04A0
Port 20: Number of bad fragments received (<64 bytes)
0 to 4294967295
1
F9
0
04A2
Port 20: Number of jabber frames received
0 to 4294967295
1
F9
0
04A4
Port 20: Number of collisions occurred
0 to 4294967295
1
F9
0
04A6
Port 20: Number of late collisions occurred
0 to 4294967295
1
F9
0
04A8
Port 20: Number of 64-byte frames received/sent
0 to 4294967295
1
F9
0
04AA
Port 20: Number of 65 to 127 byte frames received/sent
0 to 4294967295
1
F9
0
04AC
Port 20: Number of 128 to 255 byte frames received/sent
0 to 4294967295
1
F9
0
04AE
Port 20: Number of 256 to 511 byte frames received/sent
0 to 4294967295
1
F9
0
04B0
Port 20: Number of 512 to 1023 byte frames received/sent
0 to 4294967295
1
F9
0
04B2
Port 20: Number of 1023 to maximum byte frames received/sent 0 to 4294967295
1
F9
0
04B4
Port 20: Number of MAC error packets
0 to 4294967295
1
F9
0
04B6
Port 20: Number of dropped received packets
0 to 4294967295
1
F9
0
04B8
Port 20: Number of multicast frames sent
0 to 4294967295
1
F9
0
04BA
Port 20: Number of broadcast frames sent
0 to 4294967295
1
F9
0
04BC
Port 20: Number of <64 byte fragments with good CRC
0 to 4294967295
1
F9
0
04BE
Port 21: Number of bytes received
0 to 4294967295
1
F9
0
04C0
Port 21: Number of bytes sent
0 to 4294967295
1
F9
0
04C2
Port 21: Number of frames received
0 to 4294967295
1
F9
0
04C4
Port 21: Number of frames sent
0 to 4294967295
1
F9
0
04C6
Port 21: Total bytes received
0 to 4294967295
1
F9
0
04C8
Port 21: Total frames received
0 to 4294967295
1
F9
0
04CA
Port 21: Number of broadcast frames received
0 to 4294967295
1
F9
0
04CC
Port 21: Number of multicast frames received
0 to 4294967295
1
F9
0
04CE
Port 21: Number of frames with CRC error
0 to 4294967295
1
F9
0
04D0
Port 21: Number of oversized frames received
0 to 4294967295
1
F9
0
04D2
Port 21: Number of bad fragments received (<64 bytes)
0 to 4294967295
1
F9
0
04D4
Port 21: Number of jabber frames received
0 to 4294967295
1
F9
0
04D6
Port 21: Number of collisions occurred
0 to 4294967295
1
F9
0
04D8
Port 21: Number of late collisions occurred
0 to 4294967295
1
F9
0
04DA
Port 21: Number of 64-byte frames received/sent
0 to 4294967295
1
F9
0
04DC
Port 21: Number of 65 to 127 byte frames received/sent
0 to 4294967295
1
F9
0
04DE
Port 21: Number of 128 to 255 byte frames received/sent
0 to 4294967295
1
F9
0
04E0
Port 21: Number of 256 to 511 byte frames received/sent
0 to 4294967295
1
F9
0
04E2
Port 21: Number of 512 to 1023 byte frames received/sent
0 to 4294967295
1
F9
0
04E4
Port 21: Number of 1023 to maximum byte frames received/sent 0 to 4294967295
1
F9
0
04E6
Port 21: Number of MAC error packets
0 to 4294967295
1
F9
0
04E8
Port 21: Number of dropped received packets
0 to 4294967295
1
F9
0
04EA
Port 21: Number of multicast frames sent
0 to 4294967295
1
F9
0
04EC
Port 21: Number of broadcast frames sent
0 to 4294967295
1
F9
0
04EE
Port 21: Number of <64 byte fragments with good CRC
0 to 4294967295
1
F9
0
04F0
Port 22: Number of bytes received
0 to 4294967295
1
F9
0
Table 18–1: Modbus memory map (Sheet 15 of 21)
Address
Description
Range
Step
Format
Default