NCS-TT108M Rail-Mounted 8-Channel Modbus Temperature Transmitter

NCS-TT108M

Product Overview

NCS-TT108M Smart Temperature Transmitter is an eight-channel, DIN-rail-mounted temperature transmitter designed for multi-point temperature measurement in industrial field applications. It supports measurements from various types of resistance temperature detectors (RTDs), thermocouples (TCs), resistors (Ω), and voltage (mV) sensors, and is compatible with the Modbus communication protocol. It is widely used in process industries such as petroleum, chemical, power generation, and metallurgy.

Output Signal Modbus-RTU Protocol (RS485)
Supply Voltage (24±20%)VDC
Sensor Wiring 2-Wire or 3-Wire Connection
Input Signal Types Resistance (Ω): 0-500Ω, 0-4000Ω;

RTD: Cu50, Cu100, Pt100, Pt1000;

Voltage (mV): -100mV~100mV;

Thermocouple (TC): B, E, J, K, N, R, S, T

Channel Count 8 Channels
Accuracy Class Refer to User Manual
Electrical Isolation Input Channel to Bus: 500VAC;
Between Temp Conversion Modules: 500VAC;
Input Channel, Bus to Ground: 500VAC;
No Isolation Between Two Temp Input Channels Within Module
Response Time 0.8s
Startup Time ≤5s
EMC IEC 61326 (GB/T 18268)
LCD Display Supported
Keypad Operation Supported
Operating Temperature (-20~70)℃
Humidity Range (5~95)%RH
Storage Temperature (-50~85)℃
Vibration Spec 5~150Hz, 3.5mm Displacement, 5g Acceleration
Protection Rating IP20; IP67 (With Outdoor Enclosure)
Weight Approx. 0.50kg;
2.06kg (With Outdoor Enclosure)
  • Complies with Modbus RTU (RS485) standards for reliable and standardized industrial communication.
  • Supports measurement of various RTDs, thermocouples, resistance, and voltage signals.
  • 8-channel input with support for 2-wire and 3-wire RTD connections.
  • PT100 measurement accuracy is better than Class 0.1 at room temperature.
  • Cold junction compensation accuracy for thermocouple inputs up to ±1°C.
  • Supports open-circuit and short-circuit detection to help identify sensor faults.
  • Supports LCD display and local device configuration through onboard buttons.

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