8-ch Thermocouple Input Module with Modbus TCP
MPN: AT-26003
Features and Benefits
- 8-ch Thermocouple Input
- Compact DIN-rail mountable design
- Protocols: MODBUS TCP
- Watchdog Timer System (2 second) & Communication
- Configuration Tool: Web server & Ethernet Utility
Certifications
- Overview
- Specifications
AT-26003 – 8-Channel Thermocouple Input Module with Modbus TCP
The AT-26003 is an advanced 8-channel thermocouple input module designed for precise temperature measurement and reliable communication over Modbus TCP networks. Supporting a wide range of thermocouple types — K, J, N, R, S, T, B, and E — this module offers exceptional flexibility for various industrial and process control applications.
With 19-bit resolution and a typical accuracy of ±0.7°C (-20°C to +85°C), the AT-26003 ensures high precision and stable temperature readings. It features cold-junction compensation, a web-based configuration interface, and an Ethernet utility tool for easy setup, calibration, and monitoring.
Encased in a rugged mild steel enclosure with DIN rail mounting, the module delivers robust performance, energy efficiency, and seamless integration into existing automation systems.
Thermocouple
| Channel | 8 (differential) |
|---|---|
| Input Type | K, J, N, R, S, T, B, and E |
| Resolution | 19 bit |
| Accuracy | ±0.7°C (max, -20°C to +85°C) Cold-Junction Accuracy |
Environment
| Operating Temperature | 0°C - 60°C |
|---|---|
| Storage Temperature | 0°C - 70°C |
| Operating Humidity | 20-95% RH |
Ethernet Interface
| Network Protocols | MODBUS TCP, TCP/IP, HTTP, DHCP, DNS, UDP, ARP |
|---|---|
| Number of Ports | 1 |
| Interface | RJ-45 Female |
| Full Duplex Mode | Support IEEE 802.3x flow control |
| Half Duplex Mode | Support CSMA/CD Protocol |
| Ethernet Port Specification | RJ-45, 10/100 Mbit/s |
Standards and Certifications
| RoHS |
|---|
Resources Content
Model Content
Specifications
General Information
Electrical Specifications
Structure
Environmental Specification
| Country of Origin | India |
| RFID Frequency | 125 KHz |
| Installation | Plug-and-Play |
| Weight | 150g |
| Reading Distance | 1mm to 40mm |
| Communication Interface | USB |
| USB Class | HID |
| Port 2 | RS-485 : D+, D-, GND |
| Output Format | ASCII (Decimal Tag Number) |
| Card / Tag Supported | EM-4100 Tags, Passive Tags |
| Compatible with | Windows, Linux, Android, MAC |
| Antenna | Built-in |
| Relative Humidity | 5% – 85% |
| Storage Temperature | -5°C to 80°C |
| Operating Temperature | 0°C to 65°C |
| Operating Voltage | 5V @50mA (not required external supply) |
