Hirschmann HiSecOS EAGLE30 - Meaning of the Function Code Values

Network Security > DPI > Modbus Enforcer
Network Security
168
RM GUI HiSecOS EAGLE20/30
Release 3.0 09/2015
4.9.4 Meaning of the Function Code values
# Meaning Address range
1 Read Coils <0..65535> -
2 Read Diskrete Inputs <0..65535> -
3 Read Holding Registers <0..65535> -
4 Read Input Registers <0..65535> -
5 Write Single Coil <0..65535> -
6 Write Single Register <0..65535> -
7 Read Eception Status - -
8 Diagnostic - -
11 Get Comm Event Counter - -
12 Get Comm Event Log - -
13 Program (584/984) - -
14 Poll (584/984) - -
15 Write Multiple Coils <0..65535> -
16 Write Multiple Registers <0..65535> -
17 Report Slave ID - -
20 Read File Record - -
21 Write File Record - -
22 Mask Write Register <0..65535> -
23 Read/Write Multipple Registers <0..65535> <0..65535>
24 Read FIFO Queue <0..65535> -
40 Program (ConCept) - -
42 Concept Symbol Table - -
43 Encapsulated Interface Transport - -
48 Advantech Co. Ltd. - Management Functions - -
66 Scan Data Inc. - Expanded Read Holding Registers - -
67 Scan Data Inc. - Expanded Write Holding Registers - -
90 unity Programming/OFS - -
100 Scattered Register Read - -
125 Schneider Electric - Firmware Replacement - -
126 Schneider Electric - Program - -