GE Fanuc IC693MDL655 Series 90-30 32-Point Discrete Input Module
Manufacturer: GE Fanuc
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Part Number: IC693MDL655-L
Condition：New with Original Package
Product Type: Digital I/O Cards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC693MDL655 Series 90-30 Discrete Input Module
The GE Fanuc IC693MDL655, also cataloged as the IC693MDL655 Discrete Input Module, operates as a dedicated hardware component for 24 VDC discrete signal conditioning and digital state acquisition within GE Fanuc Series 90-30 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC693MDL655 |
| Brand | GE Fanuc |
| Origin | Unspecified |
| Weight | 0.60 kg (1.31 lbs) |
| Dimensions | Unspecified |
| Operating Temp | Unspecified |
| Power Consumption | 195 mA @ 5 VDC; 224 mA @ 24 VDC |
| Module Type | Discrete I/O |
| Number of Inputs | 32 points |
| Input Groups | 4 groups (8 channels per group) |
| Nominal Input Voltage | 24 VDC |
| Input Voltage Range | 0-30 VDC |
| On-State Voltage Range | 11.5 - 30.0 VDC |
| Off-State Voltage Range | 0-5.0 VDC |
| On-State Current | 3.2 mA |
| Off-State Current | 1.1 mA |
| Input Current Rating | 7 mA per channel |
| Wiring Configuration | Positive / Negative logic (Sink/Source) |
| Response Time | 2 ms on / 2 ms off (maximum) |
Backplane Bus Communication Velocity and Firmware Compatibility
The module exchanges digitized field input states directly across the Series 90-30 parallel backplane bus using high-velocity logic scanning to maintain low deterministic latency. Internal signal conditioning circuits isolate each of the four 8-channel input groups, enabling flexible wiring setups under both positive (sinking) and negative (sourcing) field logic configurations. Optocouplers provide galvanic isolation between field terminal pins and the backplane bus, preventing electrical transients from interfering with CPU memory operations. Firmware flash compatibility across system hardware revisions ensures synchronous updates during CPU sweep cycles without degrading backplane communication timing.
Frequently Asked Questions
Q: How does the IC693MDL655 handle backplane current loads across system supply rails?
A: The module draws up to 195 mA from the 5 VDC backplane bus for internal logic processing and up to 224 mA from the 24 VDC bus to power field input circuits.
Q: Can the 32 input channels be wired for both sinking and sourcing field devices?
A: The module supports both positive and negative logic wiring across four isolated groups of eight channels each, allowing split wiring layouts depending on field device configurations.
Q: What response delay occurs when transitioning input states on the module?
A: Internal hardware filters yield a maximum turn-on response time of 2 ms and a maximum turn-off response time of 2 ms for discrete status changes.
Field Installation Guidelines
Power down the Series 90-30 rack backplane before inserting or removing the input module from its chassis slot. Wear an ESD grounding wrist strap attached to an unpainted metal chassis earth point to prevent static discharge to sensitive onboard components. Align the module housing with the rack chassis guides, insert the module firmly into the target backplane connector slot, and secure the top and bottom retaining hooks to establish chassis grounding.
Route 24 VDC discrete field input conductors in grounded, dedicated wire ducting separate from AC power lines and high-current drive motor leads. Maintain a minimum separation distance of 200 mm from high-voltage cables to mitigate inductive cross-talk. Connect common returns for each 8-channel group according to positive or negative logic layout guidelines, and terminate cable shields at a single point on the cabinet protective earth (PE) bus.