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Omron · CJ-series PLC / I/O module
CJ1GCPU42H is an Omron PLC controller with Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529); Communication ports EtherNet/IP, EtherCAT. It is used in packaging machines, conveyor transfer cells, small process skids where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Supply voltage | 24 V DC (IEC 61131-2) |
|---|---|
| I/O and communication | |
| Protocols | Ethernet, DeviceNet, the CJ1 lowers overall system cost, takes |
| Mechanical | |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the Omron CJ-series PLC / I/O module specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Omron CJ-series PLC / I/O module variants | |||
| Catalog number | Supply voltage | ||
|---|---|---|---|
| CJ1GCPU42H (this page) | 24 V DC (IEC 61131-2) | ||
| CJ1GCPU42P | 24 V DC (IEC 61131-2) | ||
| CJ1GCPU43H | 24 V DC (IEC 61131-2) | ||
| CJ1GCPU43P | 24 V DC (IEC 61131-2) | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The CJ1GCPU42H is the device-level element in an Omron PLC controller installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in packaging machines, conveyor transfer cells, small process skids, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Omron CJ1GCPU42H — PLC / CPU module used as the device-level control core in an automation panel, handling logic, timing and communication tasks. The figures below are taken from the specification table on this page for catalog number CJ1GCPU42H; record the nameplate data of the unit being replaced before selecting an equivalent.
Datasheets and compliance documents are available on request; quote the full catalog number when enquiring.
Q.Where can I find the certifications data for CJ1GCPU42H?
It is listed in the specification table for Omron CJ1GCPU42H as CE, UL, cULus. Compare it with the nameplate of the installed unit before ordering.
Q.For CJ1GCPU42H, what does the specification table state about supply voltage?
The specification table lists supply voltage = 24 V DC (IEC 61131-2) for Omron CJ1GCPU42H. Confirm this figure against the unit currently in the panel.
Q.Which value is published under operating temperature for catalog number CJ1GCPU42H?
For CJ1GCPU42H, operating temperature is given as 0...+55 °C (IEC 60068-2-1). Use the value as the reference when sourcing a current-production equivalent.
Q.How do I confirm compatibility of CJ1GCPU42H before ordering?
Match the catalog number CJ1GCPU42H and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Q.Can the CJ1GCPU42H replace the unit currently installed in my panel?
Compare catalog number CJ1GCPU42H and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
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Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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