Overview
The IDEC FL1B-M08C2R2 is a combo I/O expansion module that extends the capabilities of IDEC SmartRelay programmable controllers. This module provides 4 AC/DC digital inputs and 4 relay outputs in a compact, DIN-rail mountable package. Operating across a wide universal voltage range of 100–240V AC/DC (50/60 Hz), the FL1B-M08C2R2 enables flexible automation solutions for industrial control and process monitoring applications.
Key Features
- 4 AC/DC Inputs + 4 Relay Outputs: Mixed digital I/O for comprehensive input/output control
- Universal Voltage Support: 100-240V AC/DC rated voltage with allowable range 20.4V–28.8V DC, 85–265V AC
- Compact Design: Fits seamlessly into existing SmartRelay expansion slots for minimal footprint
- Reliable Relay Outputs: AC/DC relay contacts rated for industrial switching applications
- Industrial Certifications: CULus Listed, IEC61131/VDEO631, EMC Compliant, C-Ticked Listed
- Expansion Capability: Up to 50 maximum I/O points with multiple expansion modules available
Technical Specifications
- Power Supply – Rated Voltage: 100-240V AC/DC
- Power Supply – Allowable Voltage Range: 20.4V–28.8V DC, 85–265V AC, 100–253V DC
- Rated Frequency: 50/60 Hz (47–63 Hz)
- Input Current (Typical): 20–75 mA (24V DC), 10–30 mA (100V AC), 10–20 mA (240V AC), 5–15 mA (100V DC), 5–10 mA (240V DC)
- Allowable Momentary Power Interruption: 5 ms (24V DC), 10 ms (100V AC), 20 ms (240V AC), 5 ms
- Power Consumption: 0.4–1.8W (24V DC), 0.9–2.7W (24V AC), 1.1–3.5W (100V AC), 2.4–4.8W (240V AC)
- I/O Configuration: 8 total points (4 in / 4 out), AC/DC input, relay output
- Communication: Compatible with SmartRelay serial/Ethernet networks
- Mounting: DIN-rail mount, compatible with IDEC SmartRelay expansion interfaces
Typical Applications
The FL1B-M08C2R2 is widely deployed in:
- Industrial equipment control and monitoring systems
- HVAC and environmental control systems
- Motor and pump control circuits
- Manufacturing process automation
- Building automation and energy management
- Conveyor and material handling systems
Compatibility & Replacements
Compatible With
- IDEC SmartRelay FL1B-series CPU modules (FL1B-H12RCC, FL1B-B12RCC, and others)
- IDEC SmartRelay expansion interface slots (two expansion ports per base unit)
- All IDEC SmartRelay I/O expansion modules in the FL1B series
- Standard 24 VDC control circuits and universal 100–240V AC/DC power supplies
Replaces / Drop-In Replacement For
The FL1B-M08C2R2 is a specific combo I/O module designation. Verify compatibility with your system integrator before ordering. Related analog input module alternative: FL1B-J2B2 (Analog Input Module, 12/24V DC). Related digital relay module variants: FL1B-M08D2R2 (24V AC/DC variant).
Works With
- Programming Software: WindLGC (standard IDEC SmartRelay programming tool)
- Communication Protocols: SmartRelay native serial protocol, Modbus RTU, AS-Interface (via optional communication modules)
- Expansion Modules: Compatible with analog input modules (FL1B-J2B2) and other digital I/O variants for mixed I/O configurations
- Memory Storage: EEPROM-based program and data storage










