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Product Introduction
The GE IC693PCM301 is a Programmable Coprocessor Module (PCM) designed for the GE Fanuc Series 90-30 PLC family. It provides advanced data manipulation, complex algorithm implementation, and custom communication protocol handling that go beyond the capabilities of standard PLC logic. Engineered with flexibility and high performance in mind, the IC693PCM301 enables seamless integration of BASIC and C applications, offering a powerful co-processing environment within the automation system.
This module acts as an embedded microcomputer within the PLC, allowing the user to offload time-intensive tasks such as string parsing, ASCII device interfacing, or proprietary protocol conversions. It is particularly suited for systems that require sophisticated communication or data-handling logic without compromising scan time on the main CPU.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | GE IC693PCM301 |
| Product Type | Programmable Coprocessor Module |
| PLC Family | GE Fanuc Series 90-30 |
| Processor | Zilog Z180 (Z8S180), 8-bit |
| User Memory | 192 KB battery-backed SRAM |
| Operating System | DOS-Compatible |
| Programming Languages | BASIC, C |
| Supported Baud Rates | 110 to 38,400 bps (asynchronous) |
| Serial Ports | 2 x RS-232 (DB-25 female connectors) |
| Battery Backup | Yes (for RAM retention) |
| Power Consumption | 5V DC, 550 mA |
| Module Type | Single-slot module |
| Installation | Baseplate-mounted (Series 90-30 rack) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (W x H x D) | 140 x 140 x 35 mm |
| Weight | 0.476 kg |
Product Applications
The IC693PCM301 is widely applied in industrial automation environments where complex data processing and serial communication are needed. Common use cases include:
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Interfacing with bar code scanners, printers, HMIs, or serial sensors.
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Handling legacy device protocols not natively supported by the PLC.
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Performing mathematical computations beyond ladder logic.
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Implementing custom communication interfaces (e.g., Modbus ASCII, proprietary formats).
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Parsing and generating complex ASCII strings for data manipulation.
It is especially beneficial in manufacturing lines, utilities, transportation systems, and OEM equipment where custom logic and external device communication are integral to the control process.
Product Advantages
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Offloads CPU Tasks: Offloads complex or time-intensive operations from the PLC CPU, improving overall system performance.
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Flexible Programming: Supports both BASIC and C programming, enabling engineers to design precise custom logic.
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Expanded Serial Communication: Two serial ports provide robust options for device integration.
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Battery-backed Memory: Ensures critical user programs and data persist across power cycles.
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Scalable Integration: Fits seamlessly into the Series 90-30 architecture, maintaining compatibility and reducing integration time.
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Legacy Device Support: Facilitates continued use of legacy serial devices, reducing upgrade costs.
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Developer Tools: Comes with programming tools and debug environments for effective code development and testing.
Frequently Asked Questions (FAQ)
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What programming languages does the IC693PCM301 support?
The module supports BASIC and C programming languages for developing custom applications. -
Can I connect barcode scanners to this module?
Yes, it is commonly used to interface barcode scanners and other serial ASCII devices. -
Does it require a separate power supply?
No, it draws power directly from the PLC rack via the backplane. -
Is it hot-swappable?
No, you should power down the system before installing or removing the module. -
How much user memory does it have?
The module offers 192 KB of battery-backed SRAM for user applications and data. -
What kind of devices can I connect to its serial ports?
You can connect RS-232 compatible devices like printers, HMIs, and sensors. -
Does it support Modbus?
Yes, with custom programming in BASIC or C, it can implement Modbus ASCII or RTU protocols. -
How can I program the module?
Programming is done using the PCM Development Toolkit, which allows development and loading of C or BASIC programs. -
Can it communicate with other PLCs?
Yes, it can exchange data with other PLCs or control devices over serial protocols. -
What happens to the data if power is lost?
The battery-backed memory retains programs and data during power outages.
Related or Compatible Models
| Model Number | Description |
|---|---|
| IC693PCM311 | Advanced version of PCM301 with additional features |
| IC693CPU374 | Ethernet-enabled CPU module for 90-30 series |
| IC693CMM321 | Serial Communications Module for RS-232/RS-485 |
| IC693ALG223 | Analog input module (16-bit resolution) |
| IC693MDL645 | 16-point discrete input module |
| IC693CHS391 | 10-slot baseplate for 90-30 series modules |
Popular Models from GE Fanuc Series
| Model Number | Description |
|---|---|
| IC693CPU363 | High-performance CPU module with built-in serial and Ethernet |
| IC695CPU320 | RX3i CPU for PACSystems with 1GHz processor |
| IC693CMM311 | Serial communication module for 90-30 PLCs |
| IC693MDL734 | 32-point isolated input module |
| IC693PWR321 | Standard power supply module for 90-30 system |
| IC200MDL750 | Versamax 32-point discrete input module |
