GE IC693BEM331 Series 90‑30 Genius Bus Master Module

Description

Hardware & Electrical Specifications

‑ Model：IC693BEM331 ‑ Part Number：IC693BEM331 ‑ Module Type：Series‑90‑30 Genius Bus Master Module ‑ Mounting：Plug‑in onto Series‑90‑30 PLC backplane I/O slot ‑ Backplane power：5 VDC @ 650 mA drawn from rack backplane ‑ Genius bus capacity：max 30 slave nodes per module ‑ Supported baud‑rate：38.4k /76.8k /153.6 k standard /153.6 k extended baud‑rate ‑ Communication services：Global‑Data cyclic broadcast, Datagram acyclic message, Directed Control Data, slave fault reporting ‑ Genius‑bus interface：Screw terminal block on module front for shielded twisted‑pair bus cable ‑ Buffer memory：On‑board dual‑port RAM for data exchange between Genius bus and PLC CPU ‑ PCB treatment：Conformal coated for dust‑moisture‑corrosion resistance ‑ On‑board protection：Bus transient surge suppression, hardware watchdog, comprehensive bus‑error statistic counters ‑ Compatibility note：Cannot run standalone; must work with Series‑90‑30 CPU; baud‑rate must match all Genius slave nodes; terminating resistors required at both physical ends of copper bus trunk; full Genius‑bus simulation test mandatory after replacement。

Environmental Specifications

‑ Operating temperature：0 ℃ ~ +60 ℃ ‑ Storage temperature：‑40 ℃ ~ +85 ℃ ‑ Relative humidity：5%‑95% non‑condensing ‑ Installation location：Indoor industrial control cabinet, IP20 ‑ EMC compliance：IEC 61000‑6‑2 ‑ Certifications：CE, UL Class I Div 2 hazardous‑location certification

Mechanical Data

‑ Weight：approx 0.39 kg ‑ Dimension：Series‑90‑30 standard single‑slot module form‑factor ‑ Handling note：ESD‑sensitive communication circuit, anti‑static wrist‑strap mandatory during handling ‑ Terminal tightening torque：0.6‑1.0 N·m

Main Functions

1. Serve as Genius‑bus master for Series‑90‑30 PLC, manage bus token passing, schedule cyclic data communication for all Genius remote I/O slaves.
2. Realize bidirectional data exchange between Series‑90‑30 CPU and Genius distributed I/O blocks, process global‑data, datagram messages and diagnostic information.
3. Collect bus error counters and slave block fault status, report diagnostic alarms to PLC CPU.
4. LED status indication:   ‑ Green OK：Module power‑on and self‑test pass   ‑ COM：Genius‑bus communication activity indicator   ‑ FAULT：Bus error / slave fault alarm

Installation & Wiring Requirements

1. Cut off Series‑90‑30 PLC rack power before replacement. Hot‑swap is forbidden. Strict anti‑static protection when handling module.
2. Insert IC693BEM331 fully into PLC backplane slot and lock latch.
3. Genius‑bus wiring strictly follow GE Genius hardware manual; use shielded twisted‑pair bus cable; install terminating resistor at both physical ends of bus trunk; separate bus cables from high‑power cables, connect shielding to dedicated protective ground terminal.
4. Complete protective grounding according to GE system specification.
5. After replacement：power‑on PLC, verify OK / COM / FAULT LED status, download Genius hardware configuration, perform bus‑scan and full I/O‑loop commissioning test.
6. Replacement note: Verify CPU firmware compatibility; confirm baud‑rate consistent with all slave devices; full Genius‑bus‑loop simulation test mandatory before unit put‑into‑service.