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- Temperature
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- Rymaskon
- Modbus | Wireless Modbus
- EtherCAT P
- Accessory
Description
Mean value temperature measuring transducer
THERMASGARD® MWTM - Modbus - SD
Calibratable mean value temperature measuring transducer THERMASGARD®
MWTM - Modbus-SD, with Modbus connection (Y-adapter), in an impact-resistant
plastic housing with quick-locking screws, with bendable sensor rod (3.0 m/ 6.0 m,
fully active), protective tube made from reinforced thermoplastic hose and anti-kink
spring, incl. mounting flange, optionally with/ without display, measures temperature
(–50...+150 °C).
The rod sensor is used to detect the mean temperature (mean value) in gaseous
media. It is used in ventilation and air conditioning ducts over the entire crosssection
or on a defined length (laid along a meandering route, it uniformly detects
the surrounding temperature). For proper mounting of the rod, mounting clamps
MK-05-M (accessories) are available.
Modbus sensor SD with RS485 Modbus interface (not galvanically isolated),
selectable bus termination resistance, DIP switch for setting the bus parameters
and bus address in current-free state, internal LEDs for telegram status display
(illuminated, with customised programming). Uses internal diagnostics to detect
sensor breakage or sensor short circuit as errors. The sensor is factory-calibrated;
an environmental precision adjustment by an expert is possible.
Technical details
Power consumption
< 1,0 W/ 24 V DC
< 2,2 VA/ 24 V AC
< 2,2 VA/ 24 V AC
Data points
température [°C]
Voltage supply
24 V AC (± 20 %) and
15…36 V DC (± 10 %)
15…36 V DC (± 10 %)
Temperature deviation
typically ± 0.2 K at +25 °C
Communication
RS485 interface, not galvanically isolated,
Bus termination activatable via DIP switches.
Bus termination activatable via DIP switches.
Sensor
Pt1000, DIN EN 60751, class B
Measuring range
– 50...+ 150 °C; Tmin –50 °C, Tmax + 80 °C
Zero point offset
± 10 °C
Ambient temperature
Measuring transducer –30...+70 °C
Medium
clean air and
non-aggressive, non-combustible gases
non-aggressive, non-combustible gases
Error detection
sensor breakage, sensor short circuit
Signal filtering
0,3 s / 1 s / 10 s
Sleeve
stainless steel, 1.4571, V4A
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Bus protocol
Modbus (RTU mode),
address range 0...247 selectable
address range 0...247 selectable
Process connection
by mounting flange, plastic MF-06-K (included
in the scope of delivery, galvanised steel optional) and
mounting clamps MK-05-M (included in the scope of delivery)
in the scope of delivery, galvanised steel optional) and
mounting clamps MK-05-M (included in the scope of delivery)
Rod material
protective tube made from reinforced thermoplastic hose,
with anti-kink spring and sleeve, stainless steel V4A (1.4571)
with anti-kink spring and sleeve, stainless steel V4A (1.4571)
Sensor and rod dimensions
Ø = 5.0 mm,
nominal length NL = 3 m
(nominal length optional up to max. 20 m)
nominal length NL = 3 m
(nominal length optional up to max. 20 m)
Probe
active over the entire length
(averaging)
(averaging)
Electrical connection
0.14 - 1.5 mm² via terminal screws
Cable connection
cable gland, plastic 2x M 12 x 1.5 (Y-adapter);
with strain relief, exchangeable,
max. inner diameter 6 mm
with strain relief, exchangeable,
max. inner diameter 6 mm
Housing
plastic, UV-stabilised,
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 !
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 !
Housing dimensions
72 x 64 x 37.8 mm (Tyr 1 without display)
Installation
Observe the admissible values!
Bending radius: > 35 mm
Vibration load: 0.5 g
Tensile load: < 100 N
Bending radius: > 35 mm
Vibration load: 0.5 g
Tensile load: < 100 N
Protection type
IP 65 (according to EN 60 529) Housing tested,
TÜV SÜD, Report No.713139052 (Tyr 1)
TÜV SÜD, Report No.713139052 (Tyr 1)
Standards
CE conformity, electromagnetic compatibility according to
EMC directive 2014/ 30/ EU, EN 61326
EMC directive 2014/ 30/ EU, EN 61326
Optional
display with illumination, two-line,
programmable, cutout approx. 36 x15 mm (W x H),
for displaying the actual temperature, error message or
an individually programmable display value
programmable, cutout approx. 36 x15 mm (W x H),
for displaying the actual temperature, error message or
an individually programmable display value
Features
Baud rate: 9600, 19200, 38400 baud