CHAPTER 18: MODBUS PROTOCOL

MODBUS PROTOCOL

Table 18–1: Modbus memory map (Sheet 22 of 33)

Address

Description

Range

Step

Format

Default

 

 

 

 

 

 

04A8

Port 20: Number of 64-byte frames

0 to

1

F9

0

 

received/sent

4294967295

 

 

 

 

 

 

 

 

 

04AA

Port 20: Number of 65 to 127 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04AC

Port 20: Number of 128 to 255 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04AE

Port 20: Number of 256 to 511 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04B0

Port 20: Number of 512 to 1023 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04B2

Port 20: Number of 1023 to maximum

0 to

1

F9

0

 

byte frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04B4

Port 20: Number of MAC error packets

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04B6

Port 20: Number of dropped received

0 to

1

F9

0

 

packets

4294967295

 

 

 

 

 

 

 

 

 

04B8

Port 20: Number of multicast frames

0 to

1

F9

0

 

sent

4294967295

 

 

 

 

 

 

 

 

 

04BA

Port 20: Number of broadcast frames

0 to

1

F9

0

 

sent

4294967295

 

 

 

 

 

 

 

 

 

04BC

Port 20: Number of <64 byte fragments

0 to

1

F9

0

 

with good CRC

4294967295

 

 

 

 

 

 

 

 

 

04BE

Port 21: Number of bytes received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04C0

Port 21: Number of bytes sent

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04C2

Port 21: Number of frames received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04C4

Port 21: Number of frames sent

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04C6

Port 21: Total bytes received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04C8

Port 21: Total frames received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04CA

Port 21: Number of broadcast frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04CC

Port 21: Number of multicast frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04CE

Port 21: Number of frames with CRC

0 to

1

F9

0

 

error

4294967295

 

 

 

 

 

 

 

 

 

04D0

Port 21: Number of oversized frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04D2

Port 21: Number of bad fragments

0 to

1

F9

0

 

received (<64 bytes)

4294967295

 

 

 

 

 

 

 

 

 

04D4

Port 21: Number of jabber frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04D6

Port 21: Number of collisions occurred

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04D8

Port 21: Number of late collisions

0 to

1

F9

0

 

occurred

4294967295

 

 

 

 

 

 

 

 

 

04DA

Port 21: Number of 64-byte frames

0 to

1

F9

0

 

received/sent

4294967295

 

 

 

 

 

 

 

 

 

04DC

Port 21: Number of 65 to 127 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

04DE

Port 21: Number of 128 to 255 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

MULTILINK ML1200 MANAGED FIELD SWITCH – INSTRUCTION MANUAL

18–25

Page 315
Image 315
GE ML1200 instruction manual Modbus memory map Sheet 22