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Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 12–24 VDC, positive logic |
| Output Voltage Range | 10.2 to 28.8 VDC |
| Outputs per Module | 32 (four isolated groups of 8) |
| Logic Type | Positive logic (sourcing) |
| Isolation | 1500 V field-to-logic; 250 V between groups |
| Output Current | 0.5 A max per point; 4 A max per group; 3 A max per common pin |
| Inrush Current | 5.4 A for 10 ms |
| On-state Voltage Drop | 0.3 V DC maximum |
| Off-state Leakage | 0.1 mA maximum |
| On Response Time | 0.5 ms maximum |
| Off Response Time | 0.5 ms maximum |
| Backplane Current | 260 mA max from +5 VDC (all points on) |
| User Supply Current | 16.5 mA/group @ 24 VDC; 9.6 mA/group @ 12 VDC (all 8 on) |
| Connectors | Two 24-pin Fujitsu connectors (front-mounted) |
| Mounting | Any I/O slot in 5- or 10-slot Series 90-30 baseplate |
4. Product Introduction
The GE Fanuc IC693MDL753 is a 32-point discrete output module for the Series 90-30 PLC. It provides positive-logic (sourcing) outputs rated 12/24 VDC at 0.5 A per point. The 32 points are organized into four isolated groups of eight, each with its own common. Maximum current is 4 A per group and 3 A per common pin.
The module sources current from the positive field supply to the load and is compatible with solenoids, indicators, small contactors, and similar DC devices. Response times are 0.5 ms maximum on and off. Field connections are made through two 24-pin Fujitsu connectors on the front of the module. It installs in any available I/O slot and remains a high-density replacement for existing Series 90-30 systems that need more output points in a single slot.
IC693MDL753
IC693MDL753
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LEDs, all outputs dead | Backplane power or module seating | ❌ Low | Measure +5 VDC on backplane; reseat module | Verify power supply and contact before replacing |
| Single output fails to drive load | Open wiring, failed channel, or connector issue | ✅ High | Force output ON and measure voltage at connector pin; check load continuity | Inspect cable/connector; force adjacent channel for comparison |
| Entire group of 8 fails | Group common or field supply problem | ✅ High | Measure voltage at both common pins of the group | Verify field supply and both common pins are connected |
| Output stays ON when commanded OFF | Shorted driver or wiring short | ✅ High | Force OFF and measure residual current/voltage | Isolate load; replace module if channel remains shorted |
| Excessive voltage drop under load | Overloaded point or poor connection | ✅ Medium | Measure voltage drop at 0.5 A load | Keep load ≤0.5 A/point and ≤4 A/group; clean connector pins |
| Connector damage or intermittent contact | Improper cable handling or bent pins | ✅ Medium | Visually inspect 24-pin Fujitsu connectors | Use correct mating cables (IC693CBL327/328 or equivalent); avoid force |
If outputs continue to misbehave after these checks, photograph the module faceplate, connectors, and capture the PLC fault table before contacting technical support.
6. Frequently Asked Questions (FAQ)
Q: Is the IC693MDL753 still in production? A: No. The Series 90-30 platform is mature. Available units are New Surplus or tested refurbished stock. Maintain spares if the system is expected to remain in service long-term.
Q: How are the 32 points organized? A: Four isolated groups of eight points each (A1–A8, B1–B8, C1–C8, D1–D8). Each group has its own common and can be powered from a different 12/24 VDC supply if needed.
Q: Is this a sourcing or sinking module? A: Positive logic / sourcing. The module switches the positive side of the field supply and supplies current to the load. The load returns to the negative side of the field supply.
Q: What connectors does it use? A: Two male 24-pin Fujitsu connectors on the front of the module. Pre-made cables IC693CBL327 and IC693CBL328 are available, or custom cables can be built. Terminal Block Quick Connect (TBQC) options also exist.
Q: What is the maximum current I can draw? A: 0.5 A continuous per point, 4 A continuous per group, and 3 A maximum per individual common pin. Use both common pins of a group when approaching the 4 A group limit.
Q: Can this module be hot-swapped? A: No. Remove field power and power down the rack (or the affected baseplate) before inserting or removing the module. Hot-swapping risks damage to the backplane and the output drivers.
Q: Why is New Surplus priced lower than original list? A: These are unused original modules from OEM or distributor surplus inventory. Each unit is visually inspected, powered on a genuine Series 90-30 rack, and verified for correct LED and output response under load before shipment. Test documentation is available on request.
