Product Short Description
The IC697PCM711P is a single‑slot, high‑performance programmable coprocessor (PCM) designed for the GE Fanuc Series 90‑70 PLC platform. It integrates an 80C186 microprocessor running at 12 MHz and operates at 90% of an IBM AT‑class PC’s performance. This module offloads complex, processor‑intensive tasks from the main PLC CPU, enabling dual‑tasking for real‑time computations, operator interface management, data logging, and advanced communication protocols. It communicates with the PLC CPU via the backplane without requiring application‑level support from the main CPU.
Description
Technical Specifications
- Manufacturer: GE Fanuc (now Emerson)
- Series: Series 90‑70 PLC
- Model: IC697PCM711P
- Module Type: Programmable Coprocessor Module
- Processor: 16‑bit 80C186 microprocessor
- Clock Speed: 12 MHz
- Performance: 90% of IBM AT (80286) performance
- Base Memory: 96 KB battery‑backed CMOS RAM (user/program/data)
- Expansion Memory: Up to 512 KB (via optional daughterboard; 64/128/256/512 KB options)
- Programming Language: MegaBasic (extended BASIC for industrial control)
- Onboard Serial Ports: 2 (software‑configurable: RS‑232, RS‑422, or RS‑485)
- Baud Rate: Up to 19.2 Kbaud (individual ports); up to 9.6 Kbaud (simultaneous dual‑port)
- Communication Protocol: CCM2 (Coprocessor Communication Module 2)
- Backplane Interface: High‑speed parallel bus (direct access to PLC memory)
- Real‑Time Clock: Integrated, synchronized to PLC system clock
- Power Consumption: 1.0 A @ 5 VDC (from PLC backplane)
- Battery Type: Lithium (onboard, user‑replaceable)
- Battery Life: 10 years at 20°C (shelf life)
- Memory Retention: 6 months (nominal, no external power)
- Configuration: Software‑based (no DIP switches or jumpers)
- Status Indicators: 3 front‑panel LEDs (Power, Run, Fault)
- Reset Function: Momentary pushbutton (front panel)
- Operating Temperature: ‑10°C to +60°C
- Storage Temperature: ‑25°C to +70°C
- Humidity: 5%–95% non‑condensing
- Dimensions (W×H×D): 44 mm × 292 mm × 222 mm
- Weight: 0.5 kg (1.1 lbs)
- Compatibility: All Series 90‑70 CPUs, VME‑based backplanes
Key Features
- Dual‑Tasking Processing: Offloads complex tasks from the main PLC CPU, enabling parallel execution of control logic and specialized applications (e.g., data analysis, protocol conversion).
- MegaBasic Programming: Supports high‑level MegaBasic language for custom algorithm development, reducing programming time compared to ladder logic for complex math or communication tasks.
- Dual Serial Communication Ports: Two independently configurable ports support simultaneous connection to HMIs, printers, barcode scanners, or third‑party devices, with flexible RS‑232/422/485 selection.
- High‑Speed Backplane Access: Direct, high‑performance access to PLC system and user memory enables fast data exchange between the coprocessor and main CPU without network overhead.
- Expandable Memory: Base 96 KB RAM supports small applications; optional 512 KB expansion enables large program storage, data logging, and recipe management.
- Software Configuration: No hardware jumpers or DIP switches—all port and memory settings are configured via software, reducing setup time and errors.
- Long‑Term Data Protection: Lithium battery provides 10‑year shelf life and 6‑month memory retention during power outages, ensuring program and data integrity.
- Integrated Real‑Time Clock: Synchronized with the PLC’s clock for time‑stamped data logging, event scheduling, and sequence control.
- Diagnostic LEDs & Reset: Three LEDs provide immediate status (power, operation, faults); a front‑panel reset button enables quick module restart without rack power‑down.
- Industrial‑Grade Reliability: Conformal‑coated PCB, wide temperature tolerance, and vibration resistance ensure stable operation in harsh manufacturing and process environments.
Application Scenarios
- Complex Process Control: Executes advanced PID loops, statistical process control (SPC), and mathematical modeling in chemical, pharmaceutical, and food/beverage plants.
- Data Logging & Analytics: Collects, processes, and stores high‑volume production data for quality control, compliance reporting, and predictive maintenance.
- Custom Communication Gateways: Converts between industrial protocols (e.g., RS‑232 to RS‑485) or interfaces legacy devices (scanners, printers) with modern PLC systems.
- Operator Interface (HMI) Support: Runs custom HMI logic, data formatting, and display management to reduce main CPU load in large systems.
- Motion Control Preprocessing: Performs trajectory planning, position calculations, and axis synchronization for multi‑axis motion systems (packaging, textiles, robotics).
- Batch Management: Manages recipe storage, batch sequencing, and event logging for pharmaceutical, chemical, and food processing batch operations.
- Legacy System Integration: Connects older serial‑based equipment to Series 90‑70 PLCs, extending the life of existing machinery without full system replacement.
Compliance & Certifications
- CE Marking (Compliant with European EMC and Low Voltage Directives)
- UL Listed, CSA Certified
- Designed to meet global industrial safety and reliability standards






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