ELSNER 30181 eTR 101 Modbus Room Temperature Control Unit, Black

The eTR 101 Modbus environmental temperature control device, model 30181, is designed to measure and display ambient temperature. This device is available in black (RAL 9005) and has a compact and functional design.

Key Features

The eTR 101 Modbus device is equipped with a display that shows the current temperature or setpoint value, as well as the base setpoint movements. The two touch keys (+/-) allow you to easily change the reference temperature or the movements of the base setpoint.

Technical Specifications

• Case: Authentic glass and plastic
• Color: Black (RAL 9005)
• Dimensions: 81.5 mm x 81.5 mm
• Mounting depth: 12 mm
• Total weight: about 70 g
• Ambient operating temperature: 0... +45°C
• Non-condensing ambient humidity (RH): 0..95%
• Storage temperature: -25... +70°C
• Overvoltage category: III
• Pollution degree: 2

Power and Connectivity

• Supply voltage: 24V DC SELV/PELV ± 10%
• Power consumption: ≤ 25mA
• Spring connectors for solid and fiber conductors, with ferrules
• Conductor cross section: 0.2... 0.75 mm², 0.25... 0.34 mm² with ferrule
• Stripping length: 7... 9 mm

RS485 interface

• Protocol: RTU
• RS485 bus load: 1/8 unit load according to the RS485 standard
• RS485 driver performance: min. 2.4 V at 54 Ohms of bus load (corresponding to 32 standard RS485 loads)

Temperature sensor

• Temperature measurement range: -5... +60°C

fitment

The device includes a wall mounting bracket, 4 × 20 mm dowels and 4 3 × 25 mm milled head screws.