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G
®
THERMASGARD
Calibratable room temperature measuring transducer THERMASGARD
displaying the actual temperature, in an elegant housing made of plastic, with snap-on lid, base with 4-hole attachment, for installation on vertically or
horizontally installed in-wall flush boxes, with predetermined breaking point for on-wall cable entry. The calibrateable room operating sensor measures the
temperature of non-aggressive gases, particularly air. In this case, a setpoint potentiometer is available as an operating element. For temperature / humidity /
dew point or setpoint readings, optional devices with LCD displays for displaying readings are available. The displays (LCD), as well as the retrieval of
measurement and control values, are triggered via the Modbus interface.
TECHNICAL DATA
Voltage supply:
24 V AC (± 20 %) and
15...36 V DC
Power consumption:
< 1.0 VA ⁄ 24 V DC;
< 2.2 VA ⁄ 24 V AC
Sensor:
digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
Data points:
temperature, relative humidity, dew point,
setpoint potentiometer
Measuring range:
0...+50 °C
typically ± 2.0 % (20...80 % r. H.) at +25 °C, otherwise ± 3.0 %
Deviation, humidity:
Temperature deviation:
typically ± 0.2 K at +25 °C
Zero point offset:
± 10 °C, adjustable by potentiometer
Ambient temperature:
storage –35...+85 °C;
operation 0...+50 °C
Medium:
clean air and
non-aggressive, non-combustible gases
Bus protocol:
Modbus (RTU mode),
address range 0...247 selectable
Signal filtering:
4 s / 32 s
Process connection:
by screws
Housing:
plastic, material ABS,
colour pure white (similar to RAL 9010)
Dimensions:
85 x 85 x 27 mm (Baldur 1)
Installation:
wall mounting or on in-wall flush box, Ø 55 mm,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top ⁄ bottom in case of plain on-wall installation
Permissible air humidity:
< 95 % r. H., non-precipitating air
Protection class:
III (according to EN 60 730)
Protection type:
IP 30 (according to EN 60 529)
Standards:
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014 ⁄ 30 ⁄ EU
Optional:
two-line display with illumination, programmable, cutout
approx. 36 x 15 mm (W x H), for displaying the actual
temperature or an individually programmable display value
(The Modbus interface allows the display to be individually
configured in the 7-segment area and in the dot-matrix area.)
®
THERMASGARD
RTM 1 - Modbus Room operating temperature sensor
Type ⁄ WG01
RTM 1 - Modbus
R T M1- M o d b u s
R T M1- M o d b u s LCD
R T M1- M o d b u s P
R T M1- M o d b u s P LCD
ACCESSORIES
KA2 -Modbus
Communication adapter (USB/RS485) for system connection
LA -Modbus
Line termination device (with terminating resistor) as an active bus termination
RTM 1 - Modbus
Sensor
Output
digital
Modbus
digital
Modbus
digital
Modbus
digital
Modbus
®
RTM1- Modbus with Modbus connection, with ⁄ without optional display for
Schematic diagram
1 2
5 4 3
Plug for
display
1 2
ON
1 2 3 4 5 6 7 8
ON DIP B
1 2 3 4 5 6
offset
5 4 3
Zero point calibration
The sensors are preset and calibrated at the factory.
Adjustment is possible using the two offset potentiometers.
Range of adjustment: approx. ± 10 °C or ± 10 % r.H.
Programmable display
Equipment
–
–
potentiometer
potentiometer
10
Plug for
display
ON
1 2 3 4 5 6 7 8
ON DIP B
1 2 3 4 5 6
offset
DIP A: Bus address
DIP B: Bus parameters
(Baud rate, parity ...)
Telegram indicator
Reception (LED green)
Error (LED red)
LED (internal status)
Offset correction
DIP A
temperature: ± 10°C
Plug for display
contact is
on the right side
Potentio-
meter
Display
Item No.
IP 30
1101-42A6-0000-000
■
1101-42A6-2000-000
1101-42A6-0001-005
■
1101-42A6-2001-005
1906- 1200- 0000-100
1906-1300- 0000- 100
Rev. 2021 - V24
RTM- Modbus
DIP A
Potentio-
meter
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