Manufacturer: Omron
Product No.: CJ1G-CPU45H
Country of origin:Japan
Product Type: PLC CPU Modules
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Optimizing process throughput in advanced factory automation loops, the Omron CJ1G-CPU45H functions as a highly reliable central processing engine within the SYSMAC CJ1 controller families. It offers rapid-cycle execution speed and robust memory allocations to handle sophisticated motion profile mappings, sequential batching, and high-density industrial control matrices. Designed with a loopless, backplaneless form factor, this CPU mounts directly to adjacent I/O modules to conserve space within high-density control panels.
| Manufacturer | Omron Industrial Automation |
| Model Number | CJ1G-CPU45H |
| Product Series | SYSMAC CJ1G |
| Program Capacity | 60 Ksteps |
| Data Memory Capacity | 128 Kwords (DM: 32 Kwords, EM: 32 Kwords x 3 banks) |
| Max I/O Capacity | 1280 points |
| Current Consumption | 0.91 A at 5 VDC |
| Operating Temperature | 0 to 55 degC |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 1.5 kg |
| Port / Interface | Functional Assignment |
|---|---|
| Peripheral Port | Direct connection to CX-Programmer tools via dedicated programming cables (e.g., CS1W-CN118) |
| RS-232C Port | Host Link, NT Link, Modbus-RTU master/slave, or no-protocol serial communications |
| Memory Card Slot | Accepts standard CompactFlash memory cards for user program back-ups and raw parameter logging |
The CJ1G-CPU45H serves as an equivalent direct-drop replacement for legacy CJ1G-CPUxx series units. When replacing non-H series controllers, verify that instruction timing differences are evaluated in your existing CX-Programmer routines. If upgrading to CJ2M controllers, please review memory card type differences (CompactFlash vs. MicroSD) and reconfigure option board allocations accordingly.
Because this CPU draws up to 0.91 A directly from the 5 VDC internal system bus, ensure the power supply unit (e.g., CJ1W-PA202) has sufficient remaining overhead to support adjacent high-current analog and communications modules. Avoid placing high-temperature producing modules directly next to the CPU unit to prevent localized heat build-up, which can shorten the operating lifespan of the internal backup battery.
Set DIP switches situated behind the front compartment cover prior to mounting. Switch 5, for instance, dictates the RS-232C serial port communication protocols; toggling this switch bypasses standard PLC setup parameters to force the port into direct Host Link (SYSWAY) configuration for easy troubleshooting retrieval. Always verify that the Functional Ground (FG) terminal on the master power supply rack is bonded directly to a low-resistance earth ground to shield the CPU from transient electrical noise.
CRITICAL WARNING
Ensure all main AC and field-side DC power sources are completely de-energized and locked out before inserting or removing the CPU unit from the DIN rail assembly. Attempting live removal will cause permanent chip damage to the CPU bus interface or lead to unpredictable machine behavior.
Align the interlocking plastic connectors on the side of the CPU with those of the adjacent power supply module.
Carefully push the modules together until they click, then secure the yellow locking sliders located at the top and bottom of the unit to lock them together.
Hook the assembly onto the DIN rail, snap it flatly into position, and mount end-plates to secure the rack structure against vibration.
Global Express Shipping
Returns & Warranty
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|
Understand how industrial coils create magnetic force, induce voltage, generate switching transients, and fail in relays, solenoids, transformers, motors, and proximity sensors. in service.
Design control-system redundancy by mapping shared dependencies, separating power and network paths, defining failover behavior, exposing degraded operation, and proof-testing every tolerated fault.
A structured control-cabinet troubleshooting method covering safe work, drawings, power paths, branch protection, DC supplies, return circuits, PLC outputs, fault records and repair verification.
A practical voltage-testing guide for industrial control panels, covering reference points, meter selection, live-dead-live checks, voltage drop, ghost voltage, stored energy and intermittent faults.
A practical lockout tagout guide covering hazardous-energy identification, isolation, stored-energy control, verification, group work, temporary testing, restoration, inspections and audits.
A field guide to point-of-use compressed-air preparation covering filters, regulators, drains, dryers, lubrication, pressure loss, isolation, monitoring, commissioning and leak testing.
