S+S Regeltechnik HYGRASGARD xx-Modbus-T3 Notice D'instruction page 10

G
®
HYGRASGARD
Calibrateable humidity and temperature sensors with Modbus connection.
For more information, please refer to device-specific instructions/data sheet.
TECHNICAL DATA
Power supply:
Power consumption:
Data points:
Sensor:
Measuring range:
Deviation in humidity:
Deviation in temperature:
Zero point offset:
Ambient temperature:
Medium:
Bus parameters:
Bus interface:
Bus protocol:
Baud rate:
Status indicator:
Signal filtering:
Housing:
Housing dimensions:
Cable connection:
Electrical connection:
Permissible air humidity:
Protection class:
Protection type:
Standards:
Optional:
Schematic diagram
Plug for
display
1 2 3 4
SHD
DIP A: Bus address
DIP B: Bus parameters
(Baud rate, parity...)
xx - Modbus - T3
24 V AC (± 20 %) and 15...36 V DC
< 1.2 W ⁄ 24 V DC; < 1.8 VA ⁄ 24 V AC
temperature [°C], relative humidity [% r.H.],
dew point [°C], absolute humidity [g ⁄ m
mixture ratio [g ⁄ kg], enthalpy [kJ ⁄ kg]
digital humidity sensor with integrated temperature sensor,
low hysteresis, high long-term stability
0...100 % r.H. (humidity)
–35... +80 °C (temperature)
depending on the device type
typically ± 2.0 % (20...80 % r. H.) at +25 °C, otherwise ± 3.0 %
typically ± 0.4 K at +25 °C
± 10 % r.H. (humidity)
± 5 °C (temperature)
–30...+70 °C
clean air and non-aggressive, non-combustible gases
can be configured and addressed via DIP switches in the absence of current delivery (under currentless conditions)
RS 485, galvanically isolated, Bus termination activatable via DIP switches.
Up to 32 devices possible in one segment.
In case of a greater number of devices, RS485 transceivers must be used.
Modbus (RTU mode), address range 0...247 selectable
9600, 19200, 38400 Baud
LED green = Telegram valid / LED red = Telegram error
4 s / 32 s
plastic, UV-resistant, material polyamide, 30 % glass-globe reinforced,
with quick-locking screws (slotted ⁄ Phillips head combination),
colour traffic white (similar to RAL 9016), housing cover for display is transparent!
108 x 78.5 x 43.3 mm (Tyr 3 without display)
108 x 78.5 x 45.8 mm (Tyr 3 with display)
cable gland, plastic (2x M 20 x 1.5; with strain relief, exchangeable,
inner diameter 8 - 13 mm) or
M12 connector according to DIN EN 61076-2-101 (optional on request)
0.2 - 1.5 mm², using push-in terminals
< 95 % r. H., non-precipitating air
III (according to EN 60 730)
IP 65 (according to EN 60 529)
CE conformity, electromagnetic compatibility according
to EN 61326, according to EMC Directive 2014 ⁄ 30 ⁄ EU
Display with illumination, three-line, programmable, cutout approx. 51 x 29 mm (W x H),
for displaying the actual humidity and actual temperature (cyclic)
or a selectable parameter (static)
or an individually programmable display value
A offset B
ON
1 2 3 4 5 6 7 8
5 6 7 8
address
ON DIP B
1 2 3 4 5 6
mode
LED (internal status)
Offset correction
3
],
Plug for
display
1 2 3 4
DIP A: Bus address
DIP B: Bus parameters
(Baud rate, parity...)
Telegram indicator
Reception (LED green)
DIP A
Error (LED red)
Manual offset adjustment
The sensors are pre-set and calibrated at the factory.
For subsequent adjustment of the measured value,
there are two offset potentiometers (A ⁄ B) available.
Range of adjustment: approx. ± 5 °C (A) or ± 10 % r.H. (B).
10
A offset B
ON
1 2 3 4 5 6 7 8
5 6 7 8
address
ON DIP B
SHD
1 2 3 4 5 6
mode
LED (internal status)
Offset correction
Shielding
DIP A
HYGRASGARD ®
xx - Modbus - T3