Memory Mapping; Modbus Memory Map; Modbu Memory Map - GE Multilink ML3000 Instruction Manual

MODBUS PROTOCOL

19.2.1 Modbus Memory Map

Table 19–1: Modbus memory map (Sheet 1 of 33)
Address Description
0000 System name (12 registers)
000C System contact (12 registers)
0018 System location (12 registers)
0024 Software version (6 registers)
002A IP address (byte 0)
002B IP address (byte 1)
002C IP address (byte 2)
002D IP address (byte 3)
002E Netmask (byte 0)
002F Netmask (byte 1)
0030 Netmask (byte 2)
0031 Netmask (byte 3)
0032 Gateway (byte 0)
0033 Gateway (byte 1)
0034 Gateway (byte 2)
0035 Gateway (byte 3)
0036 MAC address (3 registers)
0039 Order code (16 registers)
0049 Power alarm 1
004A Power alarm 2
004B Stp State
004C Number of ports
004E Port present map
0050 Port link map
0052 Port stp state map
0054 Port activity map
0056 Port 1 type
0057 Port 2 type
0058 Port 3 type
0059 Port 4 type
005A Port 5 type
005B Port 6 type
005C Port 7 type
005D Port 8 type
005E Port 9 type
005F Port 10 type
0060 Port 11 type
0061 Port 12 type
19–4

19.2 Memory Mapping

The Modbus memory map is shown below. Refer to Format Codes on page 19–36 for
details on the items in the format column.
Range
-
-
-
-
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
1 to 254
-
-
0 to 1
0 to 1
0 to 1
1 to 32
-
-
-
-
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
0 to 6
MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
CHAPTER 19: MODBUS PROTOCOL
Step Format Default
- String Varies
- String multilin.tech
@ge.com
- String Markham, Ontario
- String Varies
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
1 F1 0
- String Varies
- String Varies
1 F2 0
1 F2 0
1 F3 0
1 F1 Varies
- Bitmap Varies
- Bitmap 0
- Bitmap 0
- Bitmap 0
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies
1 F4 Varies