S S REGELTECHNIK THERMASGARD ATM2 Outside Temperature or Wet Room Temperature Measuring Transducer Instruction Manual

June 4, 2024
S S REGELTECHNIK

THERMASGARD ATM2 Outside Temperature or Wet Room Temperature Measuring Transducer
Instruction Manual

Outside temperature⁄wet room temperature measuring transducers, calibratable, with multi-range switching and active output

*ATM2-SD series contains the same circuit boards as ATM2 devices. ATM2-SD and ATM2 only differ in the housings: ATM2-SD has housing with a snap-on cover, protection class IP54.

| S+S REGELTECHNIK GMBH
THURN-UND-TAXIS-STR. 22
90411 NÜRNBERG ⁄ GERMANY
FON +49 (0) 911 ⁄ 5 19 47-0
mail@SplusS.de
www.SplusS.de|
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Dimensional drawing

S S REGELTECHNIK THERMASGARD ATM2 Outside Temperature or Wet Room
Temperature Measuring Transducer - Dimensional

THERMASGARD® ATM 2
Calibratable outside temperature measuring transducer THERMASGARD® ATM 2 with eight switchable measuring ranges, external sensor, continuous output, housing made from impact-resistant plastic with quick-release screws, optionally with/without display, with cable gland or M12 connector according to DIN EN 61076-2-101. It is used to detect outside temperatures, and temperatures in wet rooms, e.g. for installation on outside walls, in cold storage buildings and greenhouses, in the industrial sector, and in agriculture.  Installation in outdoor areas preferably on the north side of a building or in a protected place. In the case of direct solar irradiation, we recommend the use of our sun and ball-impact protection hood WS 01 or WS 04 (accessories) or the device version with the installed sun protection hood SS 02 (on request). The sensor is factory-calibrated;  an environmental precision adjustment by an expert is possible.

TECHNICAL DATA

Power supply:| 24 V AC ⁄ DC (± 10 %) for U variant 15…36 V DC  for I variant, depending on working resistance, residual ripple stabilized ± 0.3 V
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Working resistance:| Ra (ohm)   =   (Ub -14 V)  ⁄  0.02 A  for I variant, see load resistance diagram
Load resistance:| RL > 5 kOhm for U variant
Power consumption:| < 1.0 VA  ⁄  24 V DC;  < 2.2 VA  ⁄  24 V AC
Sensor:| Pt1000, DIN EN 60751, class B, (Perfect Sensor Protection) Sensor external
Measuring ranges:| multi-range switching with 8 switchable measuring ranges see table  (other measuring ranges optional) operating  range  –30…+70 °C with manual zero point correction  (± 10 K)
Deviation in temperature:| typically ±  0.2 K at +25 °C
Output:| 0  – 10 V  or  4…20 mA
Connection type:| 2- or 3-wire connection
Electrical connection:| 0.14 – 1.5 mm², via screw terminals
Cable connection:| cable gland, stainless steel V2A (1.4305) (M 20 x 1.5; with strain relief, exchangeable, inner diameter 6 – 12 mm)  or M12 connector (male, 5-pin, A-code) according to DIN EN 61076-2-101
Housing:| plastic, UV-resistant, material polyamide, 30 % glass-globe reinforced, with quick-release screws (slotted ⁄ Phillips head combination), color traffic white (similar to RAL 9016), cover for display is transparent!
Housing dimensions:| 72 x 64 x 37.8 mm (Tyr 1 without display)
72 x 64 x 43.3 mm (Tyr 1 with display)
Protective tube:| made from stainless steel V4A (1.4571),  Ø 6 mm, NL = 65 mm
Process connection:| by means of screws (on the housing base)
Ambient temperature:| measuring transducer –30…+70 °C
Permissible humidity:| < 95 % r.H., non-precipitating air
Protection class:| III (according to EN 60 730)
Protection type:| IP 65   (according to EN 60 529) Housing tested,
TÜV SÜD, Report No.713139052 (Tyr 1)
Standards:| CE conformity, electromagnetic compatibility according to
EN 61326, according to EMC Directive 2014 ⁄ 30 ⁄ EU
Optional:| display with illumination, two-line, cut-out approx. 36 x15 mm (B x H), to display the actual temperature and  internal diagnostics (measuring range exceeded, measuring range not reached, sensor breakage, sensor short circuit)

S S REGELTECHNIK THERMASGARD ATM2 Outside Temperature or Wet Room
Temperature Measuring Transducer - Display

THERMASGARD® Outside temperature ⁄ wet room temperature measuring transducers
Type ⁄ WG01 Sensor
= Q Item No.
ATM 2  with cable gland
ATM2-I Pt1000
ATM2-I LCD Pt1000
ATM2-U Pt1000
ATM2-U LCD Pt1000
ATM 2 – Q  with M12 connector
ATM2-I Q Pt1000
ATM2-I Q LCD Pt1000
ATM2-U Q Pt1000
ATM2-U Q LCD Pt1000
Housing variant “Q”: Cable connection with M12 connector (male, 5-pin,

A-code)
Extra charge:| Other measuring ranges are optional with sun protection hood SS 02

Measuring transducers, calibratable, with active output
TEMPERATURE RANGES:
When selecting measuring transducer ranges, it is necessary to ensure that the maximum temperatures permissible for sensor/enclosure are not exceeded!
Ambient temperature for measuring transducers: – 30 …+ 70 °C
Apparent ohmic resistance = see load resistance diagramS S REGELTECHNIK
THERMASGARD ATM2 Outside Temperature or Wet Room Temperature Measuring
Transducer - Dimension 2

SUPPLY VOLTAGE :
For operating voltage reverse polarity protection, a one-way rectifier or reverse polarity protection diode is integrated into this device variant. This internal one-way rectifier also allows operating 0 – 10 V devices on AC supply voltage.
The output signal is to be tapped by a measuring instrument. The output voltage is measured against zero potential (O V) of the input voltage!
When this device is operated on DC supply voltage, the operating voltage input UB+ is to be used for 15…36 V DC supply and UB – or GND for ground wire!

When several devices are supplied by one 24 V AC voltage supply, it is to be ensured that all ”positive“ operating voltage input terminals (+) of the field devices are connected with each other and all ”negative“ operating voltage input terminals (–) (= reference potential) are connected together (in-phase connection of field devices). All outputs of field devices must be referenced to the same potential!
In case of reversed polarity at one field device, a supply voltage short- circuit would be caused by that device. The consequential short-circuit current flowing through this field device may cause damage to it. Therefore, pay attention to correct wiring!S S REGELTECHNIK THERMASGARD ATM2 Outside
Temperature or Wet Room Temperature Measuring Transducer - Connecting
Shem

ACCESSORIES

WS-01| protection contre le soleil et pare-balle, 184  x  180  x  80 mm, en acier inox V2A (1.4301)| 7100-0040-2000-000
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WS-04| protection contre le soleil et les intempéries, 130 x 180 x 135 mm, en acier inox V2A (1.4301)| 7100-0040-7000-000

Installation and Commissioning

Devices are to be connected under dead-voltage conditions. Devices must only be connected to safety extra-low voltage. Consequential damages caused by a fault in this device are excluded from warranty or liability. These devices must be installed and commissioned by authorized specialists. The technical data and connecting conditions shown on the device labels and in the mounting and operating instructions delivered together with the device are exclusively valid. Deviations from the catalog representation are not explicitly mentioned and are possible in terms of technical progress and continuous improvement of our products. In case of any modifications made by the user, all warranty claims are forfeited. Operating this device close to other devices that do not comply with EMC directives may influence functionality. This device must not be used for monitoring applications, which serve the purpose of protecting persons against hazards or injury, or as an EMERGENCY STOP switch for systems or machinery, or for any other similar safety-relevant purposes.
Dimensions of housing or housing accessories may show slight tolerances on the specifications provided in these instructions.
Modifications of these records are not permitted.
In case of a complaint, only complete devices returned in original packing will be accepted.
Notes on commissioning:
This device was calibrated, adjusted, and tested under standardized conditions. When operating under deviating conditions, we recommend performing an initial manual adjustment on-site during commissioning and subsequently at regular intervals.
Notes regarding mechanical mounting and attachment:
Mounting shall take place while observing all relevant regulations and standards applicable for the place of measurement (e.g. such as welding instructions, etc.). Particularly the  following shall be regarded:

  • VDE ⁄ VDI directive technical temperature measurements, measurement set-up for temperature measurements.
  • The EMC directives must be adhered to.
  • It is imperative to avoid parallel laying of current-carrying lines.
  • We recommend using shielded cables with the shielding being attached at one side to the DDC ⁄ PLC.

Before mounting, make sure that the existing thermometer‘s technical parameters comply with the actual conditions at the place of utilization, in particular in respect of:

  • Measuring range
  • Permissible maximum pressure, flow velocity
  • Oscillations, vibrations, and shocks are to be avoided (< 0.5 g)

CONNECTING CONDITIONS
Output: 0 – 10 V
The output voltage follows linear to the temperature signal applied at the input terminals and generates a proportional output signal of 0 – 10 V.
The voltage outputs are short-circuited proof against the ground wire. Applying voltage supply to the output terminals will destroy the device.
Output: 4 … 20 mA
In the case of the 4 … 20 mA measuring transducer, display, and evaluating elements are connected in series in the current loop. The measuring transducer thereby limits the flowing current in the variance of the input signal. 4 mA are for the measuring transducer‘s internal current consumption. The apparent ohmic resistance can either be connected in the plus or minus path of the measuring transducer. In case of an apparent ohmic resistance in the plus path, power supply and resist.

SAFETY REGULATIONS
These devices shall only be used for their intended purpose. Respective safety regulations issued by the VDE, the states, their control authorities, the TÜV, and the local energy supply company must be observed. The buyer has to ensure adherence to the building and safety regulations and has to avoid all dangers of any kind. We do not assume any warranty for faults or damages arising or resulting from improper use of our equipment or from non-observance of operating instructions. These instruments must be installed by authorized specialists only!
Preferably shielded cables should be used in order to prevent damages ⁄errors. It is imperative to avoid laying parallel with current-carrying lines. EMC directives must be adhered to.

General notes

Our “General Terms and Conditions for Business“ together with the “General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry“  (ZVEI conditions) including supplementary clause “Extended Retention of Title“ apply as the exclusive terms and conditions.
In addition, the following points are to be observed:

  • These instructions must be read before installation and putting in operation and all notes provided therein are to be regarded!

  • A suitable weather and sun protection hood must be used when installed outdoors.

  • Devices must only be connected to safety extra-low voltage and under dead-voltage conditions. To avoid damages and errors the device (e.g. by voltage induction) shielded cables are to be used, laying parallel with current-carrying lines is to be avoided, and EMC directives are to be observed.

  • This device shall only be used for its intended purpose. Respective safety regulations issued by the VDE, the states, their control authorities, the TÜV and the local energy supply company must be observed. The purchaser has to adhere to the building and safety regulations and has to prevent perils of any kind.

  • No warranties or liabilities will be assumed for defects and damages arising from the improper use of this device.

  • Consequential damages caused by a fault in this device are excluded from warranty or liability.

  • These devices must be installed and commissioned by authorized specialists.

  • The technical data and connecting conditions of the mounting and operating instructions delivered together with the device are exclusively valid.
    Deviations from the catalog representation are not explicitly mentioned and are possible in terms of technical progress and continuous improvement of our products.

  • In case of any modifications made by the user, all warranty claims are forfeited.

  • This device must not be installed close to heat sources (e.g. radiators) or be exposed to their heat flow.
    Direct sun irradiation or heat irradiation by similar sources (powerful lamps, halogen spotlights) must absolutely be avoided.

  • Operating this device close to other devices that do not comply with EMC directives may influence functionality.

  • This device must not be used for monitoring applications, which serve the purpose of protecting persons against hazards or injury, or as an EMERGENCY STOP switch  for systems or machinery, or for any other similar safety-relevant purposes.

  • Dimensions of housing or housing accessories may show slight tolerances on the specifications provided in these instructions.

  • Modifications of these records are not permitted.

  • In case of a complaint, only complete devices returned in original packing will be accepted.
    Commissioning is mandatory and may only be performed by qualified personnel!
    These instructions must be read before installation and commissioning and all notes provided therein are to be regarded!

Pin assignment

  1. +UB 24 V AC/DC
  2. Output temperature 0 -10 V [°C]free
    –UB GND
    Shield

Pin assignment

  1. +UB 15…36 V DC
  2. Ausgang Temperatur 4…20 mA [°C]
  3. frei
  4. –UB GND
  5. Shield

S S REGELTECHNIK THERMASGARD ATM2 Outside Temperature or Wet Room
Temperature Measuring Transducer - AnschlussbildS S
REGELTECHNIK THERMASGARD ATM2 Outside Temperature or Wet Room Temperature
Measuring Transducer - Connecting diagram

Measuring ranges (adjustable)| DIP
1| DIP
2| DIP
3
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—20°C …+150°C| ON| ON| ON
—50°C +50°C| OFF| ON| ON
—20°C… +80°C| ON| OFF| ON
—30°C… +60°C| OFF| OFF| ON
0°C… +40°C| ON| ON| OFF
0°C … + 50°C (default)| OFF| ON| OFF
0°C. +100°C| ON| OFF| OFF
0°C …+150°C| OFF| OFF| OFF

*Connection:**
2-wire connection for devices with/without display (not illuminated)
3-wire connection for devices with illuminated display

References

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