CHAPTER 18: MODBUS PROTOCOL
MODBUS PROTOCOL
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
18–3
18.2 Memory Mapping
18.2.1 Modbus Memory Map
The Modbus memory map is shown below. Refer to
Format Codes
on page 18–36 for
details on the items in the format column.
Table 18–1: Modbus memory map (Sheet 1 of 33)
Address
Description
Range
Step
Format
Default
0000
System name (12 registers)
-
-
String
Varies
000C
System contact (12 registers)
-
-
String
multilin.tech
@ge.com
0018
System location (12 registers)
-
-
String
Markham, Ontario
0024
Software version (6 registers)
-
-
String
Varies
002A
IP address (byte 0)
1 to 254
1
F1
0
002B
IP address (byte 1)
1 to 254
1
F1
0
002C
IP address (byte 2)
1 to 254
1
F1
0
002D
IP address (byte 3)
1 to 254
1
F1
0
002E
Netmask (byte 0)
1 to 254
1
F1
0
002F
Netmask (byte 1)
1 to 254
1
F1
0
0030
Netmask (byte 2)
1 to 254
1
F1
0
0031
Netmask (byte 3)
1 to 254
1
F1
0
0032
Gateway (byte 0)
1 to 254
1
F1
0
0033
Gateway (byte 1)
1 to 254
1
F1
0
0034
Gateway (byte 2)
1 to 254
1
F1
0
0035
Gateway (byte 3)
1 to 254
1
F1
0
0036
MAC address (3 registers)
-
-
String
Varies
0039
Order code (16 registers)
-
-
String
Varies
0049
Power alarm 1
0 to 1
1
F2
0
004A
Power alarm 2
0 to 1
1
F2
0
004B
Stp State
0 to 1
1
F3
0
004C
Number of ports
1 to 32
1
F1
Varies
004E
Port present map
-
-
Bitmap
Varies
0050
Port link map
-
-
Bitmap
0
0052
Port stp state map
-
-
Bitmap
0
0054
Port activity map
-
-
Bitmap
0
0056
Port 1 type
0 to 6
1
F4
Varies
0057
Port 2 type
0 to 6
1
F4
Varies
0058
Port 3 type
0 to 6
1
F4
Varies
0059
Port 4 type
0 to 6
1
F4
Varies
005A
Port 5 type
0 to 6
1
F4
Varies
005B
Port 6 type
0 to 6
1
F4
Varies
005C
Port 7 type
0 to 6
1
F4
Varies
005D
Port 8 type
0 to 6
1
F4
Varies
005E
Port 9 type
0 to 6
1
F4
Varies
005F
Port 10 type
0 to 6
1
F4
Varies
0060
Port 11 type
0 to 6
1
F4
Varies
0061
Port 12 type
0 to 6
1
F4
Varies
Содержание MULTILINK ML2400
Страница 36: ...1 28 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH INSTRUCTION MANUAL INTRODUCTION CHAPTER 1 INTRODUCTION ...
Страница 60: ...3 12 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH INSTRUCTION MANUAL INSTALLATION CHAPTER 3 INSTALLATION ...
Страница 68: ...4 8 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH INSTRUCTION MANUAL OPERATION CHAPTER 4 OPERATION ...
Страница 246: ...15 12 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH INSTRUCTION MANUAL IGMP CHAPTER 15 IGMP ...
Страница 326: ...19 6 MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH INSTRUCTION MANUAL APPENDIX CHAPTER 19 APPENDIX ...