| Topic Area | 2nd Edition (2006) | 3rd Edition (2018/2020) |
| :--- | :--- | :--- |
| Industrial Networks | DeviceNet, ControlNet | EtherNet/IP, OPC UA, TSN |
| Cybersecurity | Mentioned as “physical security” | Full ISA/IEC 62443 framework |
| Wireless | One paragraph on radio telemetry | 22 pages on WirelessHART & ISA100 |
| Data Storage | Local historical databases | Cloud historians & edge computing |
| Human Factors | Basic HMI color theory | Alarm rationalization (ISA 18.2) |
If you are studying for the CAP (Certified Automation Professional) exam or the CCST (Certified Control Systems Technician) exam, the third edition is the mandatory syllabus.
A monthly subscription ($49/month) gives you access to 60,000+ technical books, including the complete ISA ABOK 3rd Ed. This is the most cost-effective route if you need the PDF for a 2-month CAP exam prep window.
A Guide To The Automation Body Of Knowledge Third Edition Pdf Full Today
| Topic Area | 2nd Edition (2006) | 3rd Edition (2018/2020) |
| :--- | :--- | :--- |
| Industrial Networks | DeviceNet, ControlNet | EtherNet/IP, OPC UA, TSN |
| Cybersecurity | Mentioned as “physical security” | Full ISA/IEC 62443 framework |
| Wireless | One paragraph on radio telemetry | 22 pages on WirelessHART & ISA100 |
| Data Storage | Local historical databases | Cloud historians & edge computing |
| Human Factors | Basic HMI color theory | Alarm rationalization (ISA 18.2) |
If you are studying for the CAP (Certified Automation Professional) exam or the CCST (Certified Control Systems Technician) exam, the third edition is the mandatory syllabus. | Topic Area | 2nd Edition (2006) |
A monthly subscription ($49/month) gives you access to 60,000+ technical books, including the complete ISA ABOK 3rd Ed. This is the most cost-effective route if you need the PDF for a 2-month CAP exam prep window. ControlNet | EtherNet/IP
