PLC Systems — New, Reconditioned & Obsolete

Apex sources PLC systems and CPU modules for maintenance teams, system integrators, and procurement departments across Singapore, Southeast Asia and Australia — including discontinued and obsolete controllers that manufacturers no longer produce, new and reconditioned. If your PLC platform is approaching end-of-life, we can help with replacement planning to avoid unplanned downtime, sourcing a direct replacement or a compatible spare.

Siemens SIMATIC

S7-300, S7-1200, and S7-1500 series controllers, including obsolete CPU modules no longer sold new by Siemens.

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Omron CJ and CP Series

CJ2, CJ1, and CP1 series programmable logic controllers, including obsolete CJ1 units still in active service on legacy production lines.

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Mitsubishi MELSEC

Q series universal CPUs for multi-CPU systems and large-scale automation control tasks, sourced new and as tested obsolete stock.

Other PLC Brands

Allen-Bradley, GE Fanuc, Yaskawa and other PLC platforms sourced on request, including [PLACEHOLDER] part numbers and legacy controller families.

Can't find your exact PLC part number? Request a quote and we'll search our supplier network — obsolete and discontinued items included.