USER INTERFACE
2.13.2018
103
14.3. Holding-Registers
14.3.1. Function-Codes
Name
Code (dec.)
Code (hex.)
Description
Read Holding Registers
03
03
Read multiple Holding Registers from the
Write Single Registers
06
06
Write a single holding register to the
Write Multiple Registers
16
10
Write multiple contiguous holding registers (1-
123) to the
. Use this function if you
want to change values which which have a
datalength greater than 1 register (float-values).
Read/Write Multiple registers 23
17
Combination of one read operation and one write
operation in a single MODBUS transaction. The
write operation is performed before the read.
14.3.2. Register table
Register-
address
Protocol
Address
Datatype Description
Adjustable range
0
ushort
Start/Stop the unit
0: Unit is in OFF-Mode
1: Unit is started
1
ushort
Acting variable input
0: Controller
1: Digital
2: EPROG
2 – 3
float
Working temperature (Setpoint)
Setpoint min. – Setpoint max.
4
short
Heating/Cooling power via
MODBUS
-100 … 100
Control parameters
10
ushort
Temperature control of internal
bath/external PT100 sensor
0: Temperature control of
internal bath
1: External control with
Pt100 sensor
11
ushort
Selftuning function
0: No selftuning
1: Single selftuning of the
controlled system after the
next start.
2: Continual selftuning of the
controlled system
whenever a new setpoint
is to be reached.
12 – 13
float
Xp control parameter of the
internal controller
0.1 … 99.9 1/K
14
ushort
Tn control parameter of the
internal controller
3 … 9999 s
15
ushort
Tv control parameter of the
internal controller
0 …999 s