The Siemens 6ES7721-2AB11-0DA2 is a PG 720 PII programming device built around a Celeron500 processor. It is the field-service tool used to program, commission, and troubleshoot Siemens S7 PLCs and HMI panels — the kind of unit you'd see on a cart in a panel shop or strapped into a service van for line-down calls.
Siemens 6ES7721-2AB11-0DA2 PG 720 PII, Celeron500, mature
MPN6ES7721-2AB11-0DA2
Siemens 6ES7721-2AB11-0DA2 PG 720 PII, Celeron500, span, lifecycle stage mature.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Frequently asked questions
What is the description of 6ES7721-2AB11-0DA2?
The description is PG 720 PII, Celeron500, span. It is a Siemens programming device with a Celeron 500 MHz processor.
How do I source the 6ES7721-2AB11-0DA2?
Submit an RFQ. This part is sourced to order through distribution channels; we do not carry it on the shelf but can quote it against your request.
MPN
6ES7721-2AB11-0DA2