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Help CenterGE IC697PWR724 90-70 Series PLC Power Supply Modules
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GE IC697PWR724 is a dedicated 90W 24VDC input power supply module (PSA) for the Series 90‑70 PLC. Its core function is to efficiently convert industrial DC input ranging from 18–32VDC into three isolated DC outputs: +5VDC (max. 18A), +12VDC (max. 1.5A), and ‑12VDC (max. 1A). It provides stable power and logic timing signals for the CPU, I/O modules, communication modules, and backplane bus of the Series 90‑70 PLC. It features electronic short‑circuit protection, overcurrent/overvoltage protection, and 10ms input power failure hold‑up capability. It supports single‑rack or dual‑rack power supply (via the dedicated IC697CBL700 cable) and uses fanless passive cooling. It can operate reliably for long periods in harsh industrial environments with strong electromagnetic interference, wide temperature ranges, and high vibration, such as thermal power, hydropower, nuclear power, metallurgy, and chemical industries. It is a core component in the power supply layer of 90‑70 system control cabinets and is compatible with redundant power supply configurations.
I. Specifications and Physical Parameters
(I) Electrical and Power Parameters
Input specification: Nominal 24VDC, input range 18–32VDC; full‑load input power 160W.
Output specification: Total power 90W; +5VDC (18A), +12VDC (1.5A), ‑12VDC (1A); low output ripple, with electronic short‑circuit/overcurrent protection on the 5V bus.
Dynamic performance: Withstands 10ms input power interruption at full load without output disruption.
Efficiency and derating: High efficiency; power derating per the manual is required at ambient temperatures above 50℃.
Electrical isolation: Enhanced isolation between input‑output and output‑output channels, compliant with IEC 61010 industrial electrical safety standards, suppressing common‑mode/differential‑mode interference.
Protection functions: Built‑in overvoltage, overcurrent, short‑circuit, and reverse polarity protection; automatically limits current or shuts down upon fault, and can automatically reset after normal conditions are restored (some protections require manual confirmation).
Status indication: Front‑panel LED indicators clearly display power operation, normal output, and fault alarm status.
(II) Physical and Installation Parameters
Mounting position: Must be installed in the leftmost slot of the 90‑70 rack, directly plugged into the 48‑pin backplane connector.
Mounting method: Standard slide‑in DIN rail with locking latch for 90‑70 racks; supports dual‑rack cascading (requires IC697CBL700 cable).
Dimensions: Complies with standard module dimensions of the Series 90‑70, suitable for standard industrial control cabinets.
Net weight: Approx. 0.7kg; lightweight design for easy installation and replacement.
Connectors: Industrial‑grade anti‑vibration locking backplane interface; power input uses crimp terminals, resistant to vibration and loosening.
Markings: The module surface is clearly printed with the model IC697PWR724, GE Fanuc logo, and rated parameters for quick on‑site identification and model verification.
(III) Environmental and Protection Parameters
Operating temperature: 0℃ to +70℃ (derating required above 50℃); storage temperature: ‑40℃ to +85℃.
Relative humidity: 5%–95% (non‑condensing), resistant to high‑humidity industrial environments.
Protection degree: Front panel IP20; intended for cabinet installation with basic dust protection.
Electromagnetic immunity: Compliant with EN 61000‑6‑2/6‑4; withstands strong electromagnetic environments generated by frequency converters, high‑voltage busbars, and high‑power motors.
Vibration/shock resistance: Meets IEC 60068‑2‑6 (vibration) / 2‑27 (shock); suitable for long‑term vibration conditions in power plants and metallurgical workshops.
Cooling method: Fanless passive cooling, relying on the enclosure and cabinet air ducts; no additional cooling equipment required.
II. Functions and Features
Triple‑channel precise power supply: Simultaneously outputs +5V, +12V, and ‑12V to meet the power requirements of different modules in the 90‑70 system. Strong short‑circuit protection on the 5V bus prevents single‑module faults from affecting the entire system.
Dual‑rack cascading capability: A single power supply can drive two racks (total load within rated limits) via the dedicated pre‑wired IC697CBL700 cable, simplifying multi‑rack system design.
Power failure hold‑up and timing control: 10ms input power failure hold‑up ensures no loss of PLC programs and uninterrupted control logic. Provides backplane timing signals to ensure safe power‑on/power‑off sequencing of modules.
High reliability and maintenance‑free operation: Industrial‑grade long‑life capacitors and semiconductor devices, fanless design, and long MTBF. Fault LEDs enable clear troubleshooting without complex diagnostic tools.
Seamless integration: Plugs directly into the leftmost slot of the 90‑70 rack without additional conversion modules. Supports parallel connection with redundant power modules to form a 2N redundant power supply system.
Wide input voltage range: Withstands 18–32VDC input, adapting to voltage fluctuations and voltage drops in long‑distance power supply on industrial sites.
III. Application Scenarios
Power generation industry: Series 90‑70 PLC control systems in thermal, hydropower, and nuclear power plants, providing stable power for excitation regulators, DCS interface modules, and safety interlock modules; adapted to strong electromagnetic, high‑vibration, and wide‑temperature environments in power plants.
Metallurgy industry: Series 90‑70 PLC control systems for large rolling mills and electric arc furnaces, supplying power for tension control, roller speed control, and hydraulic station control modules.
Chemical and oil & gas: Series 90‑70 PLC systems in refineries and chemical plants, used for temperature/pressure control of reaction kettles and power supply for I/O modules in hazardous areas; resistant to high‑humidity and corrosive gas environments.
90‑70 system upgrade/expansion: Used as an original standard spare part to replace old power supply modules or supplement power for newly added dual racks; suitable for redundant power supply retrofit projects.
General industry: Series 90‑70 PLC systems in water treatment plants, cement production lines, and paper mills, providing stable and interference‑resistant power support.
IV. Operating Notes
Pre‑installation preparation: Verify the module model IC697PWR724 and confirm compatibility with the 90‑70 rack version. Completely disconnect power and wait for system capacitors to discharge for at least 5 minutes. Wear insulated gloves; hot‑plugging of modules or wiring is strictly prohibited.
Installation and wiring specifications: Must be installed in the leftmost rack slot; incorrect insertion is strictly forbidden. Use stranded copper wires for power input with wire gauge meeting current‑carrying requirements. Distinguish positive and negative poles; reverse power connection is strictly forbidden. Route communication/signal cables separately from power cables; securely connect the power ground to the system protective earth.
Parameter and derating control: Power derating must be implemented per the GE manual at temperatures above 50℃. Total load must not exceed the rated 90W when supplying dual racks. Set up power monitoring points connected to the PLC system for real‑time monitoring of output voltage and fault status.
Environmental control: Install in enclosed, dry, and ventilated control cabinets, away from strong interference sources such as frequency converters, high‑voltage busbars, and excitation transformers. Maintain operating temperature between 0℃–70℃ (preferably below 50℃) and humidity 5%–95% (non‑condensing). Blocking the module’s heat dissipation surface is forbidden; sufficient air duct space must be reserved in the cabinet.
Routine maintenance and safe operation: Regularly clean dust from the module surface and terminal blocks using dry compressed air; wiping with wet cloths or chemical cleaners is strictly prohibited. Inspect power input terminals and rack latches monthly to prevent loosening from vibration. Monitor power operation status and fault records daily via the PLC. Store spare modules in a dry and ventilated environment and perform power‑on testing every 6 months. Unauthorized circuit modification or use of non‑original spare parts is strictly prohibited, as this will void the warranty and create serious safety hazards.
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