The ABB 1SAP150000R0271 is a PM590-ETH processor module for ABB's distributed automation PLC family — the one with a local LCD and three communication ports onboard. Ethernet, two RS232/485, and FBP (fieldbus plug) mean it can talk to a VFD on Modbus RTU while the backplane handles I/O and a second serial port talks to a panel meter. Total memory 5120 kB splits into 3072 kB user data (RAM) and 2048 kB user program; that's enough for a medium-size process skid but watch the program capacity if you're hammering large ladder routines. Supply voltage 20.4 to 28.8 V DC — standard 24 V bus, but the lower edge is only 20.4, so a droopy supply or long cable run needs a sanity check. Operating temperature 0–60 °C, fine for most panel environments.
ABB 1SAP150000R0271 PM590-ETH Processor Module, Active
MPN1SAP150000R0271
Active
ABB PM590-ETH distributed automation processor module, 5.12 MB total memory, Ethernet + 2 × RS232/485 + FBP, LCD display, 24 V DC, IP20.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| IP protection degree | IP20 |
| Parameter | Value |
|---|---|
| RoHS compliance | Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019 |
| REACH compliance | True - contains substances > 0.1 mass percentage |
Product details
Frequently asked questions
What is the memory split on the PM590-ETH?
Total memory is 5120 kB, divided into 3072 kB user data (RAM) and 2048 kB user program. The program memory is fixed; you cannot swap application and data space.
MPN
1SAP150000R0271