S+S Regeltechnik HYGRASGARD RFTF-Modbus Notice D'instruction page 22

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HYGRASGARD
READOUT IN THE DISPLAY
The display value depends on the set unit system (see table "Function 05 Write Single Coil").
If required, the unit can be switched from SI (default) to imperial units.
Standard display (cyclic)
By default, the display indicates the following measured values with the corresponding units cyclically and consecutively:
temperature [°C] [°F], relative humidity [% RH], resolution is 1/10 of values.
Alternative display (static)
The Modbus interface can be used to program an alternative output variable instead of the standard display:
dew point [°C] [°F], absolute humidity [g/m
relative humidity [% RH], temperature [°C] [°F] or setpoint potentiometer (%)
In this case, the first line indicates the value and indexwhile the second line indicates the corresponding unit statically.
The index indicates the display type, e.g. dew-point temperature (see the table "Function 06 Write Single Register").
Freely configurable display
The Modbus interface allows the display screen to be individually configured, both in the 7 and 14 segment range and in
the dot-matrix range. This means that messages such as those from the PLC can be displayed.
For the individual display, the register 4x0001 (physical value displayed) must contain the value 10.
The registers 4x0002 to 4x0012 contain information about the characters and segments to be displayed.
The dot-matrix area is also programmable in the Default setting (register 4x0001 contains the value 0).
In this case, the current measured value is automatically displayed in the 7-segment area.
Composition of Segment Pattern (Register 4x0005)
Bit 0 ...... Dot A
Bit 1 ...... Dot B
Bit 2 ...... Dot C
Bit 3 ...... Dot D
Bit 4 ...... Dot DP
Bit 5 ...... Percent
Bit 6 ...... - -
Bit 7 ...... - -
Bit 8 ...... - -
Bit 9 ...... - -
Bit 10 .... - -
Bit 11 .... - -
Bit 12 .... - -
Bit 13 .... - -
Bit 14 .... - -
Bit 15 .... - -
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RFTF - Modbus | Configuration
3 ] [gr/ft 3 ], mixing ratio [g/kg] [gr/ lb], enthalpy [kJ/kg] [Btu/lb],
Dot A Dot B
Dot Matrix A
1. Reading, Index
2. Unit
Dot DP Dot C Dot D
B C D E
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Percent
14-Segment 1
14-Segment 2
F G