Product Core Brief

• Model:
• Brand: GE Fanuc / Emerson Automation
• Series: Series 90-30 PLC
• Core Function: 5-slot integrated backplane with embedded Turbo CPU (all-in-one chassis controller). Onboard processor directly executes control logic; remaining slots for power supply and I/O modules. Designed for small discrete automation equipment.
• Product Type: Embedded CPU Integrated 5-Slot Baseplate (Not a plug-in single-slot CPU module)
• Key Specs: 10 MHz Intel 80188 Turbo CPU | Max 12KB user program memory | No onboard front serial port (serial via power supply RS485) | No floating-point arithmetic support Note: Discontinued legacy entry-level Series90-30 embedded rack; new original stock extremely scarce, surplus & refurbished available. Cannot hot swap any modules on this baseplate. Distinct difference vs CPU351/364: those are pluggable single-slot CPU modules for separate IC693CHS backplanes. is a complete integrated chassis, cannot be inserted into other backplanes. Variants: IC693CPU313LT / IC693CPU313W conformal coated versions.

 

Key Technical Specifications

• Processor: Intel 80188 Turbo, 10 MHz
• Typical Boolean Scan Time: 0.6 ms / 1000 boolean contacts
• Supported Programming Languages: LD, FBD
• Memory User Logic Memory: Max 12 KB (older firmware limited to 6KB) Register memory: 1024 words %R No battery-backed RTC onboard
• I/O Capacity Discrete I/O total: Max 160 (%I + %Q combined) Analog: Max 64 %AI, 32 %AQ
• Communication No front panel serial port; serial SNP/SNP-X bus routed through power supply RS485 terminal Only SNP Slave supported natively; Modbus RTU requires additional communication module No built-in Ethernet; Ethernet needs IC693ETM module
• Important Limitation: Does NOT support floating-point math, PCM/CCM coprocessor modules
• Backplane Power Draw: 430 mA @5 VDC
• Slot Layout: 5 slots total; one dedicated power supply slot + four I/O slots
• Operating Temperature: 0°C ~ +60°C horizontal cabinet mounting
• Storage Temperature: -40°C ~ +85°C
• Mounting: DIN rail or panel mount
• Compatible Power Supply: IC693PWR series (IC693PWR321 / PWR330 etc.)
• Supported Software: Logicmaster 90, Proficy Machine Edition
• Agency Certifications: UL508, Class I Div.2, CE

 

Product Introduction

is the entry-level integrated embedded controller within Series 90-30 family. Unlike CPU351/364 which are standalone plug-in CPU boards, the CPU core is permanently built into the 5-slot baseplate. Target applications: small machinery, packaging equipment with limited I/O count, simple discrete control without analog calculation or floating-point algorithms.

Critical Family Distinction

1. : Embedded CPU integrated 5-slot baseplate, fixed CPU inside chassis
2. IC693CPU351 / CPU364 / CPU374: Separable single-slot CPU modules, installed onto empty IC693CHS391/392 backplanes Not physically interchangeable. You cannot take a CPU313 processor out, nor install a CPU351 into a CPU313 baseplate.

Major Functional Restrictions

• No floating-point instructions; cannot execute PID using floating-point algorithms
• Limited program memory (12KB max)
• No front serial programming port; programming cable connects to power supply RS485
• No real-time clock without extra accessory modules
• Cannot support large-scale I/O expansion racks

 

QA & Testing SOP (Transparency Building)

1. Incoming Inspection: Verify part marking. Inspect all backplane edge connectors for oxidation, cracks; check chassis housing integrity.
2. Live Testing: Install valid IC693 power supply and I/O modules onto the baseplate. Apply rack power, download test ladder program, verify I/O scanning and SNP serial communication, run continuous 24-hour stability test.
3. Electrical Testing: Check 5V backplane rail stability; insulation resistance ≥10MΩ between backplane traces and chassis ground.
4. Documentation: Photograph slot layout before disassembly; record hardware revision marking.
5. Final QC & Packaging: Pack inside anti-static shielding. Attach dated QC test tag confirming backplane bus and controller operation validation prior to shipment.

 

Installation Pitfalls & Guide

❗ No Hot Swap Support: All I/O and power supply modules cannot be hot swapped. Full rack power shutdown mandatory before removal. ❗ No Front Serial Port: Programming connection must utilize the RS485 terminal on the IC693 power supply module. ❗ Floating-Point Restriction: Existing programs using floating-point math cannot run on . ❗ I/O Quantity Limit: Total discrete points cannot exceed combined 160 (%I+%Q). ❗ Memory Planning: Program size must stay under 12KB; older hardware revisions only support 6KB. ❗ Expansion Limitation: Not recommended for multi-rack expansion systems; select CPU351/364 for larger systems. ❗ ESD Risk: Static discharge damages embedded CPU logic, leading to boot failure or intermittent I/O scan faults.

Replacement Guide

1. Pre-install: Lockout-tagout rack power; back up complete PLC project. Confirm program does not use floating-point instructions. Photograph slot wiring layout.
2. Removal: Power off rack, remove power supply and all I/O modules, dismount the entire chassis.
3. Install: Mount new , install power supply first, then all I/O modules matching original slot positions.
4. Power-on Test: Restore rack power; connect Proficy Machine Edition via power supply serial port, download program, verify all discrete/analog I/O points scan normally.

 

FAQ

Q: Does support hot swapping? A: No. All modules on this embedded baseplate require full rack power off before replacement.

Q: What is the main difference between and IC693CPU351? A:

• : Embedded CPU integrated 5-slot chassis, 12KB memory, no floating-point, no front serial port
• IC693CPU351: Separate plug-in single-slot CPU for empty backplanes, larger memory, dual onboard serial ports, supports floating-point They are not interchangeable hardware.

Q: Can I run floating-point PID control on ? A: No. The processor lacks floating-point instruction set support.

Q: Does have built-in Ethernet? A: No. Ethernet communication requires external IC693ETM module.

Q: Can I expand with multiple remote I/O racks? A: Supported but limited; this CPU is designed for small standalone systems. For multi-rack systems, upgrade to CPU351 or higher models.

Q: Will my existing Series90-30 program work after chassis replacement? A: Only if the program does not contain floating-point instructions and fits within 12KB memory limit. Always validate before commissioning.