8 Digital Input - 8 Digital Relay Output with Modbus RTU
MPN: AT-13433
Features and Benefits
- 8ch digital input/8ch digital relay output
- Protocols: Modbus RTU
- Compact DIN-rail mountable design
- RS-485 Data Direction Control ADDC
Certifications
- Overview
- Specifications
AT-13433 – 8 Digital Input & 8 Digital Relay Output Module with Modbus RTU
The AT-13433 is a versatile Modbus RTU I/O module featuring 8 digital inputs and 8 relay outputs, designed for seamless integration with industrial automation systems. It offers reliable signal monitoring and control in one compact unit, making it ideal for applications requiring both input status detection and output actuation.
The digital inputs support a sinking type configuration with 5000 Vrms isolation, ensuring robust protection against electrical noise. The relay outputs feature SPDT (Form A) contacts rated at 5A @ 250 VAC/30 VDC, with long mechanical and electrical life expectancy for high durability.
With RS-485 Modbus RTU communication, Automatic Data Direction Control (ADDC), and a serial configuration utility, the AT-13433 ensures simple setup and dependable performance in harsh industrial environments.
Communications
| Interface | RS-485 |
|---|
General
| Connectors | 2 x plug-in terminal block (#14~22 AWG) |
|---|---|
| Protocol | Modbus/RTU |
Isolated Digital Input
| Number of Inputs | 8 |
|---|---|
| Isolation voltage | 5000 Vrms |
| Logic Level 1 | Min. 6v |
| Logic Level 0 | Max. 5v |
| Type of Inputs | Sinking |
| Grouping | 8 + Common separate for each DI |
| Max Input current | 10 mA per input |
Isolated Digital Input
| Number of Outputs | 8 Relay output |
|---|---|
| Relay type | 1 form A(SPDT) |
| Contact Material | AgSnO2, AgNi |
| Contact Rating | 5A 250VAC/30VDC |
| Isolation voltage | 1500 VDC |
| Mechanical Life Expectancy | 2 x 10^7 operations |
| Electrical Life Expectancy | 5 x 10^4 operations |
Environmental Limits
| Galvanic Isolation | 2.5 kV |
|---|---|
| Operating Temperature | 0°C - 60°C |
Power Requirements
| Input Voltage | 9 – 36 VDC |
|---|
Standards and Certifications
| RoHS |
|---|
Resources Content
Model Content
RM-8DI8DO
The 8 Digital Input, 8 Digital Output Module is a robust and versatile device designed for industrial automation
and control systems. It features isolated inputs and outputs, ensuring high reliability and protection against
electrical noise and surges, making it ideal for demanding environments. The module offers Ethernet TCP
connectivity, allowing for seamless integration into existing networks and enabling real-time communication
with other devices.
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 |
