GE Fanuc IC697MEM717 Memory Module Series 90-70
Introduction:
The IC697MEM717 is an expansion memory module for GE Fanuc Series 90-70 PLCs. It offers 64-512 KB capacity and supports 772 and 771 CPU memory expansion.
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Product Overview
The GE Fanuc IC697MEM717 is an expansion memory module for Series 90-70 PLCs. This module expands the memory of GE 772 and 771 CPUs in GE PLC systems.
The IC697MEM717 expands PCM memory retained by the battery on the CPU or PCM. It does not require any extra slot for data and program storage. Consequently, it adds capacity without consuming additional rack space.
General Specifications
The IC697MEM717 offers flexible memory expansion options.
Brand: GE Fanuc.
Series: Series 90-70.
Part Number: IC697MEM717.
Minimum Storage Capacity: 64 KB.
Module Configuration Supported: Yes.
Program Storage Supported: Yes.
Data Storage Supported: Yes.
Daughterboard Operation Supported: Yes.
Available Memory Capacities:
64 KB.
128 KB.
256 KB.
512 KB.
Memory Retention and Shelf Life
The IC697MEM717 provides reliable data retention during power loss.
Memory Retention: 6 months nominal without applied power.
Shelf Life: 10 years at 20°C (68°F).
The battery ensures user memory is retained even when power is removed. It also keeps the calendar clock running accurately with power disconnected.
Installation Configuration
The IC697MEM717 installs as a daughterboard on the baseboard.
It resides in the same slot as the module it serves. Therefore, no additional slot is required. The memory on the board supplements the memory available on the baseboard.
For CPU Installation:
Technicians must clear the memory before installation. Use Windows programming software or MS-DOS software for this procedure.
For PCM Installation:
Adhere to all instructions provided with the programmable coprocessor module.
Error Checking Features
The IC697MEM717 includes continuous error checking for reliability.
The logic program memory is continually error checked by the PLC CPU. This runs as a background task during normal operation.
PCM error checking on storage memory continues under various conditions. It operates while power is cycled and also during hard and soft resets. Therefore, data integrity is maintained even during system disturbances.
Memory Expansion Benefits
The IC697MEM717 offers several advantages for Series 90-70 users.
Increased Program Capacity:
Additional memory allows larger, more complex control programs. Consequently, advanced automation tasks can be implemented.
Enhanced Data Storage:
The module supports data storage expansion. Therefore, more process variables and historical data can be retained.
No Extra Slot Required:
The daughterboard design fits within the existing module slot. This preserves rack space for other I/O modules.
Battery-Backed Retention:
User memory is retained for 6 months without applied power. The calendar clock also remains accurate during power loss.
Typical Applications
The IC697MEM717 suits various memory expansion needs.
Expanding program memory for GE 772 and 771 CPUs.
Adding data storage capacity for large control applications.
Retaining critical process data during power outages.
Supporting complex PCM functions in Series 90-70 systems.
Upgrading existing PLCs without adding rack slots.
Installation Guidelines
Install the IC697MEM717 as a daughterboard on the baseboard. Ensure the baseboard is powered off before installation.
For CPU Memory Expansion:
Clear the existing memory before installing the module. Use Windows programming software or MS-DOS software for clearing. Then install the IC697MEM717 on the CPU board.
For PCM Memory Expansion:
Follow the instructions provided with the programmable coprocessor module. The IC697MEM717 installs directly on the PCM.
After installation, verify the memory capacity is recognized. The battery will retain data for 6 months if power is removed.
What is in the Box
Please inspect all items upon delivery.
GE Fanuc IC697MEM717 expansion memory module.
Anti-static protective bag.
Installation instruction manual.
Frequently Asked Questions (FAQ)
1. What memory capacities are available for the IC697MEM717?
The IC697MEM717 is available in 64, 128, 256, and 512 KB capacities. The minimum storage capacity is 64 KB.
2. How long does the module retain memory without power?
The IC697MEM717 retains memory for 6 months nominal without applied power. The battery on the baseboard maintains the user memory.
3. Does this module require an extra slot in the rack?
No. The IC697MEM717 installs as a daughterboard in the same slot as the module it serves. Therefore, no extra rack slot is required.
4. What is the shelf life of this memory module?
The IC697MEM717 has a shelf life of 10 years at 20°C (68°F). This applies when stored under optimal ambient temperature conditions.
5. How does the CPU check for memory errors?
The logic program memory is continually error checked by the PLC CPU. This runs as a background task. PCM error checking continues during power cycles, hard resets, and soft resets.