MODBUS PROTOCOL

CHAPTER 18: MODBUS PROTOCOL

Table 18–1: Modbus memory map (Sheet 21 of 33)

Address

Description

Range

Step

Format

Default

 

 

 

 

 

 

0470

Port 19: Number of jabber frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

0472

Port 19: Number of collisions occurred

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0474

Port 19: Number of late collisions

0 to

1

F9

0

 

occurred

4294967295

 

 

 

 

 

 

 

 

 

0476

Port 19: Number of 64-byte frames

0 to

1

F9

0

 

received/sent

4294967295

 

 

 

 

 

 

 

 

 

0478

Port 19: Number of 65 to 127 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

047A

Port 19: Number of 128 to 255 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

047C

Port 19: Number of 256 to 511 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

047E

Port 19: Number of 512 to 1023 byte

0 to

1

F9

0

 

frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

0480

Port 19: Number of 1023 to maximum

0 to

1

F9

0

 

byte frames received/sent

4294967295

 

 

 

 

 

 

 

 

 

0482

Port 19: Number of MAC error packets

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0484

Port 19: Number of dropped received

0 to

1

F9

0

 

packets

4294967295

 

 

 

 

 

 

 

 

 

0486

Port 19: Number of multicast frames

0 to

1

F9

0

 

sent

4294967295

 

 

 

 

 

 

 

 

 

0488

Port 19: Number of broadcast frames

0 to

1

F9

0

 

sent

4294967295

 

 

 

 

 

 

 

 

 

048A

Port 19: Number of <64 byte fragments

0 to

1

F9

0

 

with good CRC

4294967295

 

 

 

 

 

 

 

 

 

048C

Port 20: Number of bytes received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

048E

Port 20: Number of bytes sent

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0490

Port 20: Number of frames received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0492

Port 20: Number of frames sent

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0494

Port 20: Total bytes received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0496

Port 20: Total frames received

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

0498

Port 20: Number of broadcast frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

049A

Port 20: Number of multicast frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

049C

Port 20: Number of frames with CRC

0 to

1

F9

0

 

error

4294967295

 

 

 

 

 

 

 

 

 

049E

Port 20: Number of oversized frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04A0

Port 20: Number of bad fragments

0 to

1

F9

0

 

received (<64 bytes)

4294967295

 

 

 

 

 

 

 

 

 

04A2

Port 20: Number of jabber frames

0 to

1

F9

0

 

received

4294967295

 

 

 

 

 

 

 

 

 

04A4

Port 20: Number of collisions occurred

0 to

1

F9

0

 

 

4294967295

 

 

 

 

 

 

 

 

 

04A6

Port 20: Number of late collisions

0 to

1

F9

0

 

occurred

4294967295

 

 

 

 

 

 

 

 

 

18–24

MULTILINK ML1200 MANAGED FIELD SWITCH – INSTRUCTION MANUAL

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GE ML1200 instruction manual Modbus memory map Sheet 21