Available Applications; Integration Into Modbus Systems; Modbus Registers - HMS Networks Intesis IN770AIR00 O000 Series User Manual

Samsung NASA with KNX, Serial and IP support

6. Available Applications

NOTE
Signals marked as Optional signals are supported by the gateway but may not be supported by the
server devices of the installation. Please refer to the technical documentation of each server device
to know which signals they support.

6.1. Integration into Modbus Systems

6.1.1. Modbus Registers

NOTICE
This part is common for Modbus RTU and TCP.
Functions to read Modbus registers:
• 03 Read Holding Registers.
• 04 Read Input Registers.
Function to write Modbus registers:
• 06 Single Holding Registers.
Modbus register contents are expressed in most significant bit (MSB) .. less significant bit (LSB).
The following tables list all available Modbus registers for the gateway.
NOTICE
Read/write parameter terminology:
• R: Read-only register.
• W: Write-only register.
• RW: Read and write register.
Table 2. Global signals
Register name
On (all the units)
Off (all the units)
Operation Mode Auto (all the units)
Operation Mode Heat (all the units)
Operation Mode Dry (all the units)
Operation Mode Fan (all the units)
Operation Mode Cool (all the units)
Operation Mode Cool Storage (all the units)
Operation Mode Heat Storage (all the units)
Fan Speed Auto (all the units)
Fan Speed Low (all the units)
Fan Speed Mid (all the units)
Fan Speed High (all the units)
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Possible values
1: Set the units On
1: Set the units Off
1: Set Auto Mode
1: Set Heat Mode
1: Set Dry Mode
1: Set Fan Mode
1: Set Cool Mode
1: Set Cool Storage Mode
1: Set Heat Storage Mode
1: Set Fan Speed Auto
1: Set Fan Speed Low
1: Set Fan Speed Mid
1: Set Fan Speed High
Available Applications
Modbus address R/W
20 W
21 W
22 W
23 W
24 W
25 W
26 W
27 W
28 W
29 W
30 W
31 W
32 W
USER MANUAL Version 1.0.6