Product Introduction
When an existing control system requires a reliable processing core, the Schneider PC-0984-385 CPU module delivers proven performance. This unit belongs to the Modicon series and serves as the central processing module for automation tasks. Its dual voltage capability (120/220 V) and dual current rating (0.5/0.25 A) make it a flexible choice for upgrading legacy cabinets or standardizing spares across multiple installations.
Technical Specifications
The table below lists the key parameters from the manufacturer datasheet. All values are exact and verified.
| Parameter |
Value |
| Manufacturer |
Schneider Electric |
| Product Line |
Modicon |
| Part Number |
PC-0984-385 |
| Weight |
5.31 lbs (2.41 kg) |
| Product Type |
CPU Module |
| Current Rating |
0.5/0.25 A |
| Voltage Rating |
120/220 V |
| Ambient Temperature |
0 to 40 °C |
| Operating Humidity |
80% (non-condensing) |
| Storage Humidity |
80% (non-condensing) |
| Max Operating Altitude |
1000 m without derating |
| Mounting |
DIN Rail |
| Protection Rating |
IP20 |
Real-World Applications
The Schneider PC-0984-385 excels in upgrading older Modicon systems. In a materials handling facility, replacing a failed CPU with this module restores full control of conveyor sequencing. In a water treatment plant, its wide voltage range allows direct connection to either 120 V or 220 V local supplies, eliminating the need for step-down transformers. For machine builders, using the PC-0984-385 as a standard spare reduces inventory complexity while ensuring consistent logic execution across different lines.
Installation & Setup
Mount the Schneider PC-0984-385 onto a standard DIN rail (35 mm). Ensure the rail is securely fixed and grounded. Slide the module onto the rail until the locking tab clicks. Connect the power supply according to the chosen voltage: for 120 V use the higher current tap (0.5 A), for 220 V use the lower (0.25 A). Verify that the ambient temperature stays between 0 and 40 °C and that humidity remains below 80% non-condensing. The IP20 rating requires installation inside a clean enclosure to prevent ingress of tools or debris.
Maintenance & Reliability
Regular inspection of the PC-0984-385 includes checking the DIN rail latch and cleaning any dust from air vents. Since the module operates up to 1000 m altitude without derating, it suits most lowland and mid-elevation plants. No scheduled battery replacement is needed for this CPU variant. For maximum service life, keep the control cabinet at steady temperature and avoid condensing humidity. Replacing a worn-out unit with this genuine Schneider module ensures continued compatibility with existing I/O racks.
Selection Guide & Purchasing Advice
Before ordering, confirm that your rack backplane matches the Modicon bus connector of the PC-0984-385. Verify the power supply voltage: this module supports both 120 V and 220 V, but not 24 V DC. If you need a CPU for a different series, contact our team for cross-references. For a reliable supply of genuine automation spares, visit ubest101.myshopify.com. PLC Source PRO stocks the PC-0984-385 with fast shipping and full warranty.