Overview
The Fanuc IC693MDL645C is a discrete 16-point digital input module engineered for the GE Fanuc Series 90-30 PLC platform. This module accepts 24 VDC input signals and supports both positive and negative logic configurations, making it a flexible solution for interfacing pushbuttons, limit switches, proximity sensors, and other field devices to the Series 90-30 controller. Although discontinued by the manufacturer, the IC693MDL645C remains a critical component for legacy system maintenance and upgrades.
Key Features
- 16 Discrete Input Points: Single input group with dedicated common power terminal for streamlined wiring
- Dual Logic Support: Configurable for positive or negative logic operation, compatible with both sourcing and sinking field devices
- 24 VDC Rated Voltage: Accepts signals from 0 to 30 VDC with nominal 24 VDC operation
- LED Status Indicators: Individual LEDs per channel for real-time signal monitoring and troubleshooting
- Field-Side Isolation: 1500 Volts isolation between field and logic circuits for noise immunity
- Terminal Block Interface: 20-position removable screw terminal block for reliable field wiring
Technical Specifications
- Input Voltage Range: 0 to 30 VDC
- Nominal Input Voltage: 24 VDC
- Input Current Rating: 7 mA at rated voltage
- Response Time: 7 ms ON / 7 ms OFF
- Logic Threshold ON-State: 11.5 to 30 VDC
- Logic Threshold OFF-State: 0 to 5 VDC
- Internal Power Draw: 80 mA at 5 VDC; 125 mA at 24 VDC isolated
- Field-Logic Isolation: 1500 Volts
- Terminal Block Type: 20-position removable screw terminal
- Mounting Compatibility: Series 90-30 5-slot or 10-slot baseplate I/O slots
Typical Applications
The Fanuc IC693MDL645C is widely deployed in manufacturing and process control environments including:
- Machine tool control and automated assembly lines
- Batch processing and chemical plant automation
- HVAC and facility management systems
- Water treatment and utility automation
- Packaging machinery and conveyor systems
- Legacy PLC upgrades and spare parts inventory
Compatibility & Replacements
Compatible With
- GE Fanuc Series 90-30 PLC controller platforms
- Series 90-30 5-slot and 10-slot baseplates
- GE Fanuc Series 90-30 power supplies (IC693P series)
- Pushbutton switches and selector switches
- Limit switches and proximity sensors (sourcing and sinking types)
- 24 VDC field device networks
Replaces / Drop-In Replacement For
- Fanuc IC693MDL645 (all revisions: A through N and 0)
- GE Fanuc IC693MDL645B, IC693MDL645D, IC693MDL645E
- GE Fanuc IC693MDL645F, IC693MDL645G, IC693MDL645H
- GE Fanuc IC693MDL645J, IC693MDL645K, IC693MDL645L
- GE Fanuc IC693MDL645M, IC693MDL645N
Works With
- SRTP (Series 90-30 Real-Time Protocol) serial communications
- SNP (Starter Net Protocol) multidrop networks
- GE Series 90-30 Ethernet option modules (IC649AEA series)
- Genius Communications modules (IC693CMM series)
- CPM (Control Program Monitor) and Series 90 PCM programming software
- Third-party SCADA and HMI systems via serial or Ethernet gateways
