GE Fanuc IC697MDL750E 24 VDC 32-Point Digital Input Module
Manufacturer: GE Fanuc
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Part Number: IC697MDL750E
Condition：New with Original Package
Product Type: Digital Input Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC697MDL750E Series 90-70 Digital Input Module
The GE Fanuc IC697MDL750E, also cataloged as the IC697MDL750 Digital Input Module, operates as a dedicated hardware component for 24 VDC discrete signal acquisition within Series 90-70 PLC platforms. The module interfaces 32 isolated positive-logic input channels, converting field sensor states into system logic signals. It routes binary input states to the CPU across the backplane bus while providing 250 V RMS isolation to protect backplane electronics from field electrical noise.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC697MDL750E |
| Brand | GE Fanuc |
| Origin | USA |
| Weight | 0.45 kg |
| Dimensions | 132 x 36 x 152 mm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | 150 mA at 5 VDC (0.75 W from backplane) |
| System Architecture | GE Fanuc Series 90-70 PLC |
| Channel Count | 32 positive logic inputs |
| Nominal Voltage | 24 VDC |
| Voltage Range | 0 to 30 VDC |
| ON Voltage Level | Greater than 13 VDC |
| OFF Voltage Level | Less than 5 VDC |
| Current Consumption per Point | 7 mA typical at 24 VDC |
| Input Response Time | 1 ms typical |
| Isolation | 250 V RMS channel-to-PLC backplane |
| Status Display | 1 LED indicator per channel |
| Storage Temp | -40 to +85 deg C |
| Relative Humidity | 5% to 95% non-condensing |
I/O Density Scaling & Backplane Bus Integration
The IC697MDL750E scales I/O density within a single rack slot by packing 32 positive-logic DC inputs into a standard form factor. The module communicates with the central CPU across the Series 90-70 high-speed parallel backplane bus, transferring channel states every scan cycle while drawing 150 mA from the +5 VDC backplane supply rail. Built-in hardware filtering suppresses high-frequency electrical noise, maintaining signal validity across long field cable runs. Firmware flash compatibility across system revisions allows the module to maintain deterministic signal execution without requiring chassis modifications or software updates.
Frequently Asked Questions
Q: What is the power distribution requirement for the IC697MDL750E input circuits?
A: The module draws logic power (150 mA at 5 VDC) directly from the chassis backplane. Field sensors require an external 24 VDC power supply connected to the input terminal wiring block to drive the individual 7 mA input loops.
Q: How do technicians verify individual channel activity on the hardware faceplate?
A: The front panel contains an array of 32 dedicated LEDs mapped directly to input channels 1 through 32. An illuminated LED indicates that the field voltage exceeds the 13 VDC ON threshold.
Q: Can the IC697MDL750E process sinking or negative-logic field devices?
A: No, the module circuitry operates strictly on positive-logic (sourcing) input signals where the field device switches the positive terminal of the 24 VDC supply to the module terminal.
Field Installation Guidelines
Slot the IC697MDL750E vertically into any available slot of an IC697 rack, ensuring the rear backplane connectors align before fully seating the board. Tighten top and bottom retaining screws to secure mechanical grounding to the rack chassis. Always disconnect rack power before inserting or removing the module to prevent electrical arcing across backplane pins.
Route 24 VDC signal wiring through separate cable trays or conduits distinct from high-voltage AC lines to prevent capacitive coupling. Ground field cable shielding at one end only, preferably at the cabinet entry point, to avoid ground loops. Ensure field common lines maintain solid reference connections to avoid floating input voltages that can trigger false ON states.