The GE V7668A series control module, as an important component of the GE industrial control platform, adopts a standardized modular design and is compatible with multiple mainstream controllers from GE (such as VersaMax, RX3i, etc.). It supports various programming methods such as ladder diagram (LD), functional block diagram (FBD), structured text (ST), etc. It can quickly customize control solutions according to the control needs of different industries, balancing the economy of small and medium-sized control scenarios with the scalability of large-scale systems.
Basic overview of module
The industrial control module is the "central nervous system" that connects field devices with the upper system. Its core function is to receive analog/digital signals from sensors and transmitters, complete logical judgment, data operation, and control algorithm execution through the built-in processor, and finally output control signals to drive actuators (such as valves, motors, indicator lights, etc.) to act, while also achieving data interaction with the upper monitoring system.
The GE V7668A series control module, as an important component of the GE industrial control platform, adopts a standardized modular design and is compatible with multiple mainstream controllers from GE (such as VersaMax, RX3i, etc.). It supports various programming methods such as ladder diagram (LD), functional block diagram (FBD), structured text (ST), etc. It can quickly customize control solutions according to the control needs of different industries, balancing the economy of small and medium-sized control scenarios with the scalability of large-scale systems.
Core technical parameters
Technical parameters are key indicators for measuring the performance of control modules. The following is the core parameter information of GE V7668A-131000 350-93100076668-131000 B control module, providing technical basis for equipment selection, system integration, and debugging:
1. Core operational parameters
-Processor model: 32-bit industrial grade RISC processor, with a main frequency of ≥ 200MHz, capable of high-speed computing and multitasking;
-Memory configuration: Program memory ≥ 128KB, data memory ≥ 64KB, supports external SD card expansion storage (maximum support 32GB), used for storing programs, historical data, and logs;
-Programming support: Compatible with IEC 61131-3 standard, supports five programming languages: LD/FBD/ST/IL/SFC, and can achieve visual programming and online debugging through configuration software such as GE Proficy Machine Edition;
-Calculation cycle: Basic logic calculation cycle ≤ 1ms, complex control algorithm (such as PID) calculation cycle ≤ 10ms, meeting real-time control requirements.
2. Input/Output (I/O) specifications
-Analog input (AI): 4-channel differential input, supporting 4-20mA current signal or 0-10V voltage signal, input impedance ≥ 10M Ω (voltage signal), 50 Ω (current signal), measurement accuracy ± 0.1% FS;
-Analog output (AO): 2-channel isolated output, optional output signal types of 4~20mA current or 0~10V voltage, output load capacity ≤ 500 Ω (current signal), ≥ 1k Ω (voltage signal), output accuracy ± 0.2% FS;
-Digital Input (DI): 8-channel dry/wet contact input, supporting 24V DC signal, input current 5-10mA, response time ≤ 10 μ s, channel independent isolation;
-Digital Output (DO): 6-way transistor output (NPN type), output voltage 24V DC, maximum output current per channel 1A, supports Pulse Width Modulation (PWM) output function.
3. Electrical and power parameters
-Power supply: 24V DC ± 20%, supports wide voltage input to adapt to unstable industrial power supply environment, power consumption ≤ 15W (full load state);
-Isolation performance: Optoelectronic isolation is used between input/output/power supply, with an isolation voltage of ≥ 1500V AC (1 minute), effectively suppressing common mode interference and series mode interference;
-Surge protection: Both the power port and I/O port have surge suppression function, which complies with IEC 61000-4-5 standard and can withstand ± 2kV surge impact;
-Electromagnetic compatibility (EMC): Complies with EN 61000-6-2 (industrial environment immunity) and EN 61000-6-4 (industrial environment emission) standards, and operates stably in strong electromagnetic environments.
4. Communication and interface parameters
-Communication interface: 1 RS485 serial interface (supporting Modbus RTU protocol), 1 RJ45 Ethernet interface (supporting EtherNet/IP protocol), supporting dual machine redundant communication (optional);
-Data transmission rate: RS485 interface speed adjustable from 9600~115200bps, Ethernet interface speed adaptive to 10/100Mbps;
-Communication function: Supports device level ring network (DLR) function, with a ring network recovery time of ≤ 5ms, ensuring the reliability of communication links; Support remote I/O expansion, up to 32 I/O modules can be expanded;
-Synchronization function: Supports clock synchronization with other control modules, with a synchronization accuracy of ≤ 1ms, meeting the requirements of multi module collaborative control.
5. Physical and environmental parameters
-Dimensions: 120mm (length) x 80mm (width) x 150mm (height), compatible with standard DIN rail (35mm) installation;
-Working temperature range: -25 ℃~70 ℃, supports low-temperature start-up and high-temperature continuous operation, suitable for extreme industrial environments;
-Humidity range: 10%~95% RH (no condensation), suitable for use in damp environments such as workshops and basements;
-Protection level: IP20 (panel protection), requires cooperation with the control cabinet to achieve dust and water protection;
-Anti vibration performance: Complies with IEC 60068-2-6 standard and can withstand sinusoidal vibrations of 10~500Hz and 1g.
Core functions and features
1. High precision control and flexible configuration
The module is equipped with a high-performance processor and precise signal conditioning circuit, which can achieve high-precision acquisition and control of process parameters such as temperature, pressure, and flow rate. Combined with the built-in PID control algorithm (supporting self-tuning function), it can quickly respond to process parameter fluctuations, stabilize the controlled variable within the set range, and achieve control accuracy of ± 0.5%. At the same time, it supports the development of user-defined functional blocks, which can encapsulate complex control logic into dedicated functional blocks, improving programming efficiency and program maintainability.
2. High reliability and fault self diagnosis
Adopting industrial grade components and reinforced circuit design, it has overvoltage, overcurrent, and short-circuit protection functions. When there is an abnormality in the power supply or I/O port, the module will automatically cut off the fault circuit and issue an alarm signal to prevent the fault from expanding. Built in comprehensive self diagnostic function, which can monitor the status of processors, memory, communication interfaces, and I/O channels in real time. Through status indicator lights and software diagnostic information, the fault location (such as channel faults, communication interruptions, power supply abnormalities, etc.) can be intuitively fed back, shortening the troubleshooting time.
3. Powerful system integration and expansion capabilities
As a compatible module of the GE VersaMax/RX3i system, it can seamlessly interface with the system host and other I/O modules through the backplane bus without the need for additional adaptation circuits. Support cross brand communication with third-party devices (such as Siemens and Schneider's PLC/DCS systems) through EtherNet/IP protocol, and can also be connected to upper management systems such as SCADA and MES to achieve data connectivity from device control to production management. Modular design allows for flexible addition or removal of I/O modules according to the control scale, meeting the needs of small single machine control to large distributed control systems.
4. Convenient debugging and operation functions
The module is equipped with LED status indicator lights (power, operation, communication, I/O status), which can quickly determine the operation status of the equipment on site; Through the Proficy Machine Edition software, online monitoring, program downloading, parameter modification, and fault diagnosis can be achieved, and the "breakpoint debugging" function is supported to facilitate the troubleshooting of program logic errors. Built in data recording function, can automatically store key process parameters and fault logs (storage capacity ≥ 100000), supports exporting data through SD card, providing a basis for production traceability and equipment maintenance.
5. Extreme environmental adaptability
In response to the harsh environment of industrial sites, the module adopts a wide temperature design and PCB board triple anti coating (anti-corrosion, moisture-proof, dust-proof), which can operate stably in high temperature, low temperature, high humidity, and high dust scenarios (such as metallurgical workshops, chemical plant areas, mining equipment) for a long time. The anti vibration and anti impact performance meets industrial standards and can adapt to vibration interference during the operation of mechanical equipment, ensuring stable output of control signals.
Typical application scenarios
-Process industry (chemical/petrochemical): used for closed-loop control of reaction kettle temperature, pressure, and liquid level. By collecting sensor signals and calculating them, control signals are output to adjust the opening of the feed valve and heating power, achieving precise control of the chemical reaction process; Simultaneously monitor the operating status of the equipment and trigger emergency stop protection when faults such as overheating and overpressure occur;
-Discrete manufacturing (automotive/electronics): Undertaking logical control tasks in the production line, such as controlling the start and stop of conveyor belts, the sequence of robotic arm movements, material detection and sorting, collecting limit switch and photoelectric sensor signals through digital input, outputting signals to drive servo motors and solenoid valves, and achieving orderly execution of automated production processes;
-Energy management (photovoltaic/wind power): Used for equipment control in new energy generation systems, such as power regulation of photovoltaic inverters, pitch control of wind turbines, collecting parameters such as voltage, current, wind speed, etc., optimizing power generation efficiency through built-in algorithms, and communicating with grid dispatch systems to achieve coordinated control of grid connected operation;
-Water treatment industry: Control the dosing system, aeration system, and filtration system in the sewage treatment process, based on water quality testing parameters such as pH value COD、 Automatically adjust the dosage and aeration intensity of turbidity to ensure that the effluent quality meets the standard, and record the processing data for environmental traceability;
-Food and beverage industry: used for temperature control (such as sterilization), liquid level control (such as storage tanks), and packaging equipment control in production lines, in accordance with the hygiene standards and safety requirements of the food industry, ensuring product quality stability through precise control.





Email:wang@kongjiangauto.com