|
Registers
|
Function Code
|
Modbus Function
|
Data Type and Format
|
Data Format
|
Elements
|
|
00001 - 09999
|
01
|
Read Coil Status
|
Boolean
|
On/Off
|
512
|
|
05
|
Force Single Coil
|
|
10001 - 19999
|
02
|
Read Input Status |
|
20001 - 29999
|
03
|
Read Holding Register
(2 addresses) |
Real
|
-34e38 to +34e38
|
16
|
|
16
|
Preset Holding Register
(2 addresses) |
|
30001 - 39999
|
04
|
Read Input Register
(1 address) |
Integer
|
-32768 to 32767
|
32
|
|
40001 - 49999
|
03
|
Read Holding Register
(1 address) |
|
06
|
Preset Holding Register
(1 address) |
| 50001 - 59999 |
03
|
Read Holding Register
(2 addresses) |
String
|
ASCII
|
64 characters
|
|
16
|
Preset Multiple Registers
(2 addresses) |
| 60000 |
08
|
Loopback Diagnostics
|
String
|
None
|
1 of 64
|
| 70000 - 79999 |
03
|
Read Holding Register
(2 addresses) |
IEEE
|
-34e38 to +34e38
|
16
|
|
16
|
Preset Multiple Register
(2 addresses) |
| 80000 - 89999 |
03
|
Read Holding Register
(2 addresses) |
|
16
|
Preset Multiple Register
(2 addresses) |
| 90001 - 99999 |
03
|
Read Holding Register
(1 address) |
Unsigned Integer
|
0 to 65535
|
32
|
|
06
|
Preset Holding Register
(1 address) |