Description
In expansive manufacturing floors where paint spray booths pull discrete signals from solenoid valves scattered across zones or chemical reactors aggregate analog levels from distant tanks, the GE IC697BEM733 creates distributed I/O islands that slash cabling costs and boost diagnostics. Picture a glass plant coordinating furnace feeders—remote racks house relays and thermocouples hundreds of feet from the main PLC, dodging signal degradation over long runs that once fried twisted pairs. Or envision textile winders where over 100 points of tension sensors feed back without bus overloads; a single dropout used to halt spools, wasting yarn and labor. This module anchors industrial automation by turning Series 90-70 racks into Genius remote scanners, interfacing up to 128 bytes each of inputs/outputs over high-speed serial drops at 153.6kbaud. In paper mills, it scans moisture probes; in cement silos, it monitors vibrators reliably. Operators map points via Logicmaster 90-70, with bus sweeps delivering status every 20ms for HMI oversight. Why it thrives in control systems? Onboard intelligence handles force tables and diagnostics independently, freeing CPUs from remote chores. From packaging palletizers to water pump houses, the GE IC697BEM733 extends 90-70 reach economically, making sprawl feel local.
Remote Scanner Function
The GE IC697BEM733 mounts as a single-slot Genius Remote I/O Scanner in GE Fanuc Series 90-70 remote racks, linking IC697 discrete/analog modules to host PLCs over dual Genius buses for redundancy and 128-byte I/O payloads per drop. It fits alongside CPUs like the 781 or power supplies in expansion bases, using two parallel DB25 connectors for daisy-chains up to 32 scanners network-wide. Logicmaster configures baud rates (76.8-153.6k), addresses, and force lists, with optional 1MB SRAM for local buffering.
Integrators rely on its autonomy: scanners poll I/O autonomously, streaming data packets with health bits (power, bus OK, faults) to masters without ladder intervention. VMEbus compatibility supports high-density mixes, firmware like V3.0+ adding parity checks. In multi-rack plants, it segments traffic seamlessly. The GE IC697BEM733 transforms centralized PLCs into networked empires.
Scanner Strengths
Maintenance teams in remote drops praise the GE IC697BEM733 for front-panel clarity—LEDs light POWER, BUS A/B, FAULT, and FORCE status, with %I diagnostics pinpointing open modules or comms timeouts instantly. Dual buses auto-failover on cable cuts, sustaining scans under 250ms latency; 128-byte refs cover full racks without splits. EMI-hardened DB25s run 1000m unshielded, terminators snap in for stability.
Compact design sips 700mA at 5VDC, passively cooled through 60°C with vibration mounts for conveyor sheds. Self-tests verify SRAM on boot, supporting hot inserts in non-powered slots.
Decades-strong, it outlives field wiring in gritty mills. The GE IC697BEM733 scans where others stutter.
- IC697BEM733
Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC697BEM733 |
| Brand | GE Fanuc (Series 90-70) |
| Type | Genius Remote I/O Scanner Module |
| Power Supply | 5 VDC (700 mA max) |
| Operating Temperature | 0 to 60 degrees Celsius |
| Mounting | Series 90-70 Rack Slot |
| Dimensions | Standard single-slot (approx. 5.5″ H x 1″ W) |
| Weight | Approximately 0.5 lbs |
| Interfaces | 2x DB25 Genius Bus |
| Certifications | CE, UL (PLC compliant) |
| Cooling | Passive (convection) |
| Environmental Rating | Industrial (vibration resistant) |
| I/O Capacity | 128 bytes input/output per scanner |
Compatible Modules
IC697CPU781 – High-end 90-70 CPU hosting multiple BEM733 drops centrally.
IC697BEM731 – Earlier BEM variant for lighter remote I/O loads.
IC697PWR722 – Rack PSU powering BEM733 scanners steadily.
IC693MDM501 – Discrete mixer expanding inputs in BEM drops.
IC697ALG440 – Analog module for process vars over Genius via BEM.
IC697CMM711 – Comm module bridging BEM networks to serial HMIs.
IC693CHS391 – Remote chassis optimized for BEM733 mounting.
Scanner Practices
Latch the GE IC697BEM733 into remote rack slot 1 post-power supply, daisy-chaining DB25s with terminators at ends—set baud identically across drops via handheld monitor, testing bus health pre-full load. Match scanner addresses uniquely (1-31), verifying forces propagate from host. Shield only if EMI exceeds norms; equalize cable stubs under 100m.
Monthly, trace FAULT LEDs and bus counters for retries; clean contacts in flour-dusted bakeries. Firmware loads via serial during halts—retain configs first. This regimen keeps the GE IC697BEM733 scanning tirelessly.



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