GE PLC CPU Module IS420UCSCH1C， IS400JPDHG1A， IS420PVIBH1B

Overview of GE PLC modules

The PLC modules of GE (now part of Emerson Automation Solutions) are renowned for their high reliability, flexible scalability, and industrial grade durability, and are widely used in manufacturing, energy, transportation, and infrastructure industries. Its core product line includes the PACSystems series (such as RX3i, RX7i) and VersaMax series, supporting diverse needs from compact control to complex process management.

Core module types and functions

cpu module

Function: Perform logical operations, data processing, and system management.

Representative model:

PACSystems RX3i CPE310: Multi core processor that supports high-speed control (1ms logical scan cycle).

VersaMax Nano/Micro: an economical CPU suitable for controlling small devices.

characteristic:

Support redundant configuration (dual CPU hot standby) to ensure high availability of the system.

Built in Ethernet port (10/100/1000 Mbps), supporting OPC UA and Ethernet/IP communication.

Compatible with IEC 61131-3 programming language (ladder diagram, structured text, functional block diagram).

i/o module

Function: Collect digital/analog signals and output control commands, connect sensors, actuators and other on-site devices.

Typical series:

PACSystems RX3i I/O: Modular design, supports hot swapping (such as IC694ALG220 8-channel analog input).

VersaMax I/O: Compact, suitable for distributed control (such as IC200ALG230 4-channel current output).

characteristic:

Support signal isolation, filtering, and disconnection detection (such as cold end compensation for thermocouple modules).

High density configuration (such as 32 channel digital input module IC694MDL645).

Compatible with multiple signal types (4-20mA, RTD, TC, DI/DO, high-speed counting).

communication module

Function: Implement PLC and upper computer HMI、 Interconnection of remote I/O or other devices.

Typical protocols and models:

Fieldbus: Profibus DP (IC694PBM300), Modbus RTU/TCP (IC694ETM001).

Industrial Ethernet: Ethernet/IP (IC694ENU002), GENIUS bus (IC693BEM331).

characteristic:

Support redundant network architecture (dual ring network or star topology).

Gateway function (such as serial to Ethernet module IC695ETM001).

Power module

Function: Provide stable power supply for PLC racks and support redundant inputs.

Model example:

PACSystems IC694PWR321: 24VDC input, 5A output.

VersaMax IC200PWR001: 85-264VAC wide voltage input.

characteristic:

Overvoltage/overcurrent protection, compliant with IEC 61000-4 anti-interference standard.

Support hot swappable replacement (when configuring redundant power supplies).

Specialized module

Motion control module: such as IC694APU300, supports multi axis servo control.

Safety module: certified with SIL 2/3 (such as IC693PBM300 safety Profibus module).

High speed counting module: such as IC694CNT001, supports 100kHz pulse input.

Technical features and advantages

High performance and scalability

Multi core processing: PACSystems RX3i uses Intel processors and supports complex algorithms and large data processing.

Backplane bandwidth: The PCI bus architecture (RX3i) provides high-speed data transmission (>100Mbps).

Modular Expansion: A single rack supports up to 64 modules (RX3i), and distributed I/O is expanded through Ethernet.

Environmental adaptability

Wide temperature operation: -20 ° C to+60 ° C (standard type), optional -40 ° C to+70 ° C industrial grade models.

Anti vibration/impact: Complies with IEC 60068-2-6 (vibration) and IEC 60068-2-27 (impact) standards.

Protection level: Module IP20 (inside control cabinet), on-site I/O station can reach IP67 (with protective casing).

Intelligence and compatibility

Proficy software ecosystem:

Proficy Machine Edition: A unified programming, debugging, and diagnostic platform.

Proficy HMI/SCADA: Seamless integration of human-machine interface and data monitoring.

Multi protocol support: compatible with Modbus, OPC UA, PROFINET, etc., making it easy to interface with third-party devices.

Typical application scenarios

Intelligent Manufacturing: Robot Control for Automotive Production Lines (PACSystems+Motion Control Module).

Energy management: Logic control of wind farm inverters (VersaMax distributed I/O).

Water treatment: pump station automation and flow regulation (RX3i PID control function).

Transportation system: subway signal control and safety interlocking (redundant CPU+safety module).

Selection and Configuration Points

key parameter

I/O capacity: Select the number of module channels and signal types based on the number and type of measurement points.

Processing speed: Complex control requires the selection of multi-core CPUs (such as RX3i CPE330).

Communication requirements: Prioritize Ethernet modules (such as IC694ENU002) when multiple devices are connected to the network.

Redundant design

Key systems such as power SCADA require redundant CPUs, power supplies, and network modules.

Use dual machine hot standby software (such as PACSystems High Availability).

Environmental adaptation

Choose the VersaMax on-site I/O station with IP67 protection for high humidity/dust environments.

Modules with heat sinks or forced air cooling cabinets are used in high-temperature areas.

Installation and maintenance recommendations

Installation specifications

Grounding: The rack is individually grounded (impedance ≤ 1 Ω), and the signal and power lines are laid in layers.

Heat dissipation: The module spacing should be ≥ 10mm, and ventilation space should be reserved for high temperature environments.

maintenance operations

Regularly backup programs to the Proficy repository to prevent data loss.

Clean the module's heat dissipation holes and fan (dust accumulation may cause overheating faults).

Check the module status (such as IC694ERR001 fault code) through Diagnostic LED or Proficy Logix.

Common Model Examples

CPU modules: RX3i CPE310, VersaMax IC200 CPU001.

I/O modules: IC694MDL645 (32DI), IC694ALG220 (8AI).

Communication module: IC694ETM001 (Ethernet) IC694PBM300（Profibus）。

model

CPU module IC695CPE302

CPU module IC695CPE305

Module IC695CPE330

Module IC695CPE310

Module IC698CRE040

Module IS220PDIAH1B

Module DS200CPCAG1ABB

Module IS215VPROH1B

Module IS220PDIOH1B

Module IS200TTURH1C

Module IS420UCSCH1C

Module IS400JPDHG1A

Module IS420PVIBH1B