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- Accessory
Description
Immersion temperature measuring transducer
THERMASGARD® TM 65 - Modbus - SD
Patented quality product (Immersion sensor patent no. DE 10 2012 017 500.0) TM65-Modbus-SD
Calibratable temperature measuring transducer with sensor tube THERMASGARD®
TM 65 - Modbus-SD, with Modbus connection (Y-adapter), in an impact-resistant plastic
housing with quick-locking screws, stainless steel-protective tube (100 - 200 mm),
optionally with/ without display, measures temperature (–50...+150 °C).
The duct sensor is used to detect the temperature in liquid or gaseous media. Use the
stainless steel immersion sleeves for aggressive media. It is used in heating engineering,
ventilation and air conditioning ducts, pipes, storage systems, compact district heating
stations, warm and cold water systems, oil and lubrication cycle systems, machine and
systems engineering and the entire industry sector.
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
Voltage supply
24 V AC (± 20 %) and
15…36 V DC (± 10 %)
15…36 V DC (± 10 %)
Sensor
Pt1000, DIN EN 60751, class B
(Perfect Sensor Protection)
(Perfect Sensor Protection)
Measuring range
–50...+150 °C
Accuracy
typically ± 0.2 K at +25 °C
Zero point offset
± 10 °C
Ambient temperature
Measuring transducer –30...+70 °C
Medium
depending on selected immersion sleeve
Error detection
sensor breakage, sensor short circuit
Signal filtering
0,3 s / 1 s / 10 s
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Communication
RS485 interface, not galvanically isolated,
Bus termination activatable via DIP switches.
Bus termination activatable via DIP switches.
Bus protocol
Modbus (RTU mode),
address range 0...247 selectable
address range 0...247 selectable
Protective tube
stainless steel, 1.4571, V4A, Ø = 6 mm
inserted length (EL) = 100 - 200 mm (see table)
inserted length (EL) = 100 - 200 mm (see table)
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 43.3 mm (Tyr 1 with Display)
Protection type
IP 67 (according to EN 60 529)* housing tested,
TÜV SÜD, Report No. 713139052 (Tyr 1)
* housing in the built-in state
TÜV SÜD, Report No. 713139052 (Tyr 1)
* housing in the built-in state
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