IC693PCM301L GE Details
The GE IC693PCM301L is a Programmable Coprocessor Module designed for the Series 90-30 PLC system. IC693PCM301L GE acts as a dedicated microcomputer to offload complex communication and data processing from the main CPU.
IC693PCM301L GE Key Details
IC693PCM301L GE Memory: 192 KB total capacity (with 47 KB available for user programming).
GE IC693PCM301L Ports: One 25-pin D-shell connector (internally split into two independent serial ports).
GE IC693PCM301L Protocols: Supports Modbus RTU (Master/Slave) and CCM protocols.
GE IC693PCM301L Languages: Programmable via MegaBasic or C language.
GE IC693PCM301L Power: Consumes 425 mA at 5 VDC.
Battery: Uses the IC693ACC301 lithium battery pack for backup.
Installation: Works only in the CPU baseplate (any slot except Slot 1). Does not support expansion/remote racks or embedded CPUs.
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IC693PCM301L GE Key Application
Device Interfacing: The IC693PCM301L GE connects ASCII hardware like barcode scanners, weigh scales, and printers directly to the PLC system.
Protocol Bridging: It acts as a gateway, using the IC693PCM301L GE hardware to translate data between Modbus RTU (Master/Slave), CCM, and PLC networks.
Custom Computing: This module runs complex math or custom control algorithms using C or MegaBasic scripts executed directly on the IC693PCM301L GE coprocessor.
Data Aggregation: Industrial systems deploy the IC693PCM301L GE as an RTU master to poll and collect data from distributed remote field devices.
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12-Month Warranty: Covers hardware parts with a strict, non-negotiable 12-month warranty period to guarantee performance.
GE Programmable Coprocessor Module FAQ
Q1: What is the primary purpose of the IC693PCM301L in a Series 90-30 PLC system?
A1: The GE Programmable Coprocessor Module functions as an intelligent, programmable microcomputer designed to offload high-bandwidth serial communications and complex mathematical algorithms from the main PLC CPU. By running dedicated MegaBasic or C programs independently, the GE IC693PCM301L ensures that the critical ladder logic scan time of the primary controller remains fast and uncompromised.
Q2: Which communication protocols are natively supported by the IC693PCM301L module?
A2: Out of the box, the GE Programmable Coprocessor Module provides robust hardware support for Modbus RTU (operating in both Master and Slave modes) as well as the legacy GE Fanuc CCM protocol. Furthermore, users can write custom serial drivers in C or MegaBasic, allowing the GE IC693PCM301L to communicate with virtually any raw ASCII peripheral device, such as barcode scanners, weight indicators, and serial printers.
Q3: What are the baseplate installation constraints and hardware compatibility limits for the IC693PCM301L?
A3: The GE Programmable Coprocessor Module must be installed strictly in a CPU baseplate and can occupy any available slot except Slot 1, which is reserved exclusively for the system CPU. Additionally, the GE IC693PCM301L is not compatible with expansion racks, remote I/O drops, or embedded CPU baseplates (such as the CPU311, CPU313, or CPU323 models) due to backplane communication limitations.
Q4: How are the physical serial ports configured on the IC693PCM301L hardware?
A4: The GE Programmable Coprocessor Module features a single, high-density 25-pin D-shell connector on its front face. This single physical interface is internally split to provide two completely independent serial ports (Port 1 and Port 2), both of which are fully configurable via software to establish separate communication links for the GE IC693PCM301L application.
Q5: What type of memory structure does the IC693PCM301L use, and how is data protected during a power outage?
A5: The GE IC693PCM301L contains a total memory footprint of 192 KB, providing a dedicated 47 KB of non-volatile user space for runtime program execution. To prevent data loss or firmware corruption during system shutdowns, the GE IC693PCM301L relies on an external IC693ACC301 lithium battery pack connected to the PLC backplane to maintain the RAM integrity.
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