ABB RSS-PIN-48 Input Module

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1. Product Overview

The ABB RSS-PIN-48 is a high-density digital input module designed for industrial automation systems. It collects discrete field signals and transmits them to the control system for processing. The module provides reliable signal isolation, strong noise immunity, and stable performance in demanding industrial environments.

It is typically used in PLC and DCS systems as an interface between field devices and controllers.

2. Technical Specifications

• Model: RSS-PIN-48

• Product Type: Digital Input Module

• Number of Inputs: 48 digital input channels

• Input Signal Type: Dry contact or 24V DC switching signal

• Rated Input Voltage: 24V DC

• Input Voltage Range: 18V – 30V DC

• Input Current: Typical 5–8 mA per channel

• Logic Level: High level active (Logic 1 = 24V)

• Channel Isolation: Group isolation for improved noise immunity

• Response Time: ≤ 10 ms

• Connection Type: Industrial terminal block

• System Communication: Via system backplane bus

• Indicators: LED status indication per channel

• Mounting: Rack or DIN rail mounting depending on system design

• Operating Temperature: 0°C to +55°C

• Storage Temperature: –25°C to +75°C

• Humidity: 5% – 95% non-condensing

• EMC Compliance: Designed for industrial electromagnetic environments

3. Features & Advantages

1. High Channel Density
Provides 48 digital inputs in one module, reducing cabinet space.

2. Reliable Signal Acquisition
Built-in filtering and noise immunity ensure accurate signal detection.

3. Visual Channel Status
LED indicators for each channel simplify troubleshooting and maintenance.

4. Industrial Isolation Protection
Protects the control system from electrical noise and field interference.

5. Easy System Integration
Designed for seamless integration into ABB automation platforms.

4. Typical Applications

• Production line status monitoring

• Power system switch status acquisition

• Oil and gas process control signals

• Machinery operation feedback

• Building automation and infrastructure monitoring

• PLC and DCS field signal collection

5. Installation & Safety Notes

1. Ensure correct voltage level
   Only connect 24V DC signals to input channels.

2. Proper common wiring
   Follow system wiring diagrams to avoid false triggering.

3. Avoid electrical interference
   Keep signal wiring away from high-power cables; use shielded cables if needed.

4. Do not hot swap
   Power off the system before replacing the module.

5. Provide adequate ventilation
   Install in a well-ventilated control cabinet.

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