8-ch Analog Input Module with Modbus TCP
MPN: AT-21013 (Current) / AT-21023 (Voltage)
Features and Benefits
- 8ch analog input (voltage or current)
- Protocols: MODBUS TCP
- Watchdog Timer System (2 second) & Communication
- Configuration Tool: Web server & Ethernet Utility
- Compact DIN-rail mountable design
Certifications
- Overview
- Specifications
AT-21013 / AT-21023 – 8-Channel Analog Input Module with Modbus TCP
The AT-21013 (Current) and AT-21023 (Voltage) are high-performance 8-channel Analog Input Modules designed to provide reliable and accurate signal acquisition over Modbus TCP networks. These modules are ideal for industrial automation, process monitoring, and remote data acquisition applications.
Built for flexibility and precision, the AT-21013 and AT-21023 support multiple input ranges including 0–5V, 0–10V, 0–20mA, and 4–20mA, with 12-bit resolution ensuring accurate analog-to-digital conversion. The modules feature web-based configuration and Ethernet utility tools for simple setup and integration into existing systems.
With robust Ethernet communication, watchdog timers, and status indicators, these modules ensure uninterrupted and secure data transmission. Designed in a durable mild steel enclosure with powder coating and DIN rail mounting, they provide both industrial reliability and ease of installation.
Analog Input
| Channels | 8 |
|---|---|
| Input Type | Voltage/Current |
| Input Range | 0-5V/0-10V/0-20mA/4-20mA |
| Resolution | 12 Bit |
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
Electrical
Environmental
Mechanical
Inputs & Outputs
Features
| Country of Origin | India |
| Certifications | ROHS |
| Operating Voltage | DC 9V-36V |
| Power Consumption | 4.2 W@12V, 4.8 W@24V |
| Logic Level 1 (Min.) | 6V |
| Logic Level 0 (Max.) | 5V |
| Isolation Voltage | 1500 VDC |
| Operating Temperature | 0°C to 60°C |
| Operating Humidity | 20% - 95% RH (non-condensing) |
| Storage Temperature | 0°C to 75°C |
| Mechanical Life Expectancy | 2 × 10⁷ operations |
| Electrical Life Expectancy | 5 × 10⁴ operations |
| Mounting Type | Din Rail Mounting |
| Enclosure Material | ABS |
| Enclosure Protection Class | IP40 |
| Enclosure Dimensions | W: 90mm, L: 70mm, H: 110mm |
| Weight | 190g |
| Type of Inputs | Sinking |
| Contact Material | AgSnO2, AgNi |
| Contact Rating | 5A 250VAC/30VDC |
| Grouping | 8+1 Common |
| Indicator | Power ON, Ethernet, Digital input/output status LED's |
| Configuration Tool | Web Server Configuration |
| Reset Function | YES |
