Product Introduction
When legacy GE Series 90-30 systems require reliable discrete input interfaces, the GE IC693MDL645 provides a proven solution. This Positive/Negative Discrete Input module belongs to the GE Fanuc Series 90-30 family and offers sixteen (16) input channels with an operating voltage range of 0-30 VDC. It features a single input group with one common terminal, making it suitable for interfacing with pushbuttons, limit switches, proximity sensors, and auxiliary contacts.
Technical Specifications Breakdown
| Parameter |
Value |
| Internal Power Used |
80 mA at 5 VDC, 125 mA at 24 VDC Isolated |
| Input Voltage Range |
0-30 VDC |
| Nominal Input Voltage |
24 VDC |
| Input Current |
7 mA |
| Number of Points |
16 |
| Response Time |
7 ms on, 7 ms off |
| Connector Type |
Terminal Block (20 screws), included |
| Compatible Baseplate |
Series 90-30 5‑slot or 10‑slot |
| LED Indicators |
16 (one per channel) |
| Product Lifecycle Status |
Discontinued/Obsolete |
The GE IC693MDL645 has an ON‑state voltage range of 11.5‑30 VDC and an OFF‑state voltage of 0‑5 VDC. The ON‑state current minimum is 3.2 mA, and the OFF‑state current is 1.1 mA. When all inputs are active, the module draws 80 mA from the 5 V backplane bus and 125 mA from the isolated 24 V bus.
Industry Applications
The GE IC693MDL645 excels in discrete input monitoring across manufacturing lines, packaging equipment, and material handling systems. For instance, it reads the status of conveyor belt sensors, limit switches, or emergency stop pushbuttons. Its positive/negative logic capability supports both sourcing and sinking input devices, offering flexibility in system design. As an obsolete part, it is a reliable drop‑in replacement for existing Series 90-30 installations.
Installation & Setup Guidance
Install the GE IC693MDL645 into any available slot of a Series 90-30 5‑slot or 10‑slot baseplate. Use the included 20‑screw terminal block for field wiring. Ensure the input voltage stays within 0‑30 VDC. The front‑panel LED indicators show the energization state of each channel, simplifying setup and troubleshooting.
Maintenance & Reliability
Because the GE IC693MDL645 is discontinued, regular inspection of the terminal block connections and proper seating in the baseplate help maintain reliability. The LED indicators quickly identify faulty channels, reducing downtime. Keep the module free of dust and moisture for extended service life.
Selection Guide & Purchasing Advice
Before purchasing, verify that your system uses a Series 90-30 rack. The GE IC693MDL645 requires a 5‑slot or 10‑slot baseplate. As an obsolete module, availability may be limited. UBEST Automation (available at ubest101.myshopify.com) offers tested spare parts for industrial control systems. Confirm compatibility with your existing PLC configuration before ordering.