SCHNEIDER PC-E984-255
Schneider PC-E984-255 is a CPU module from Schneider Electric’s Modicon TSX Compact series. It is commonly used to build Modicon Quantum 140 or TSX Compact control systems.
Below is a summary of the product’s core specifications and functions:
1. Core Specifications
- Series: Modicon TSX Compact
- CPU Type: CPU 140 (for Quantum 140 PLC systems)
- Memory Capacity: 16K steps of logic memory
- Data Storage: 1 MB or 2 MB backup memory
- Power Supply Requirement: 24 V DC (typically powered in conjunction with other system modules)
2. Key Functions
- High Reliability: As the core processing unit of the Modicon series, the PC-E984-255 is responsible for program execution, data processing, and I/O communication, offering industrial-grade reliability and strong resistance to electrical interference.
- Compatibility: Designed for integration into Modicon Quantum 140 or TSX Compact systems, the module supports use with a wide range of I/O modules, including digital, analog, and communication modules.
- Programming and Debugging: Supports programming and debugging via Schneider Electric’s Unity Pro software (now renamed EcoStruxure Control Expert).
3. Typical Application Scenarios
The PC-E984-255 is widely used in industrial automation systems that require high reliability, including:
- Manufacturing Automation: Assembly lines and logistics systems
- Process Control: Oil & gas, chemical, and pharmaceutical industries
- Energy Management: Power systems and distribution network control

Main brand :
ABB Allen-Bradley Alstom Bently GE MOOG Schneider
Woodward HIMA Honeywell Emerson Foxboro
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Our Main Brands
DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.
Product Categories & Models
1. Distributed Control System (DCS)
- ABB:3AUA0000110429, SYSCON2 746924
- Invensys Foxboro:FBM214, FBM242, B0123HE
- Invensys Triconex:3625, 3700A, 3604E
- Woodward:5462-758B
- HIMA:F2-DO-16-02, F8650E
- Yokogawa:SAI143-S03 S1, F9342L-02
- Honeywell:51402497-200, 51403519-160, 51199194-100, CC-PDO801
- Emerson:KJ4001X1-NB1, 12P3368X012
2. Programmable Logic Controller (PLC)
- Rockwell/Allen Bradley:1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
- ICS Triplex:T8461, T8850, T8403, T8431, T8831, T8310
- Schneider Modicon:140DDI85300
- GE Fanuc:IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
- Siemens:6ES7331-1KF02-0AB0
- Prosoft:MVI46-DFNT
- Bachmann:MPC240
- Woodhead:9905-068 2301A
3. Turbine Supervisory Instrumentation (TSI)
- Bently Nevada:3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
- EPRO:MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
- ENTEK:EK C6622HS, XM124, 1440-SDM02-01RA














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