Firmware Revisions for P1-550

Latest shipping version:

• Version: 1.2.10.10
• Download the latest version

Recent Firmware History:

Version: 1.2.10.10
Details:
New feature:
1.) Changed to allow Modbus access to a single Modbus address within an S32/F32 tag
2.) Implemented fix for Large Block NAND sector fault

Version: P1-550 firmware 1.2.9.35
Details:
P1-550
Firmware 1.2.9.35

Bugs fixed:
1.) Resolved issue where CPU can become inoperable after ~2500 project transfer events.

Version: 1.2.9.30
Details:
P1-550
Firmware 1.2.9.30
Release Date: February 16th, 2021

Bugs fixed:
1.) Abnormal IGMP traffic causing Watchdog Timeout failure.
2.) Web Server access to Data Log file only showing data from first access due to caching. This fix applies to Chrome and Edge only.

Version: 1.2.9.27
Details:
P1-550
Firmware 1.2.9.27
Release Date: September 15th, 2020

Bugs fixed:
1.) Incomplete data flush to PMD card upon PMD Eject
2.) Incomplete data flush to PMD upon EPF (early power fail) event
3.) Modbus TCP Server. When writing a block of mixed 32-bit and 16-bit integers
to the PLC, the data can get written to the wrong location and return an illegal
data address exception in certain situations
4.) Using specific SD cards can cause the CPU to fail to load the project from memory during power-up

Version: 1.2.8.30
Details:
P1-550
Firmware 1.2.8.30
Release Date: October 22nd, 2019

Improvements:

1.) Added Non-Critical Error Code E05112 "SROM Read Failure"
2.) Added 2 new error codes E04206 (MemDev near file cnt limit) and E04207 (MemDev file cnt limit)
3.) Eject memory device when 200 file limit reached

Bugs fixed:

1.) CPU may set incorrect MAC address on power up.
2.) Problem reading battery voltage System Tag SWR-001518.
3.) May not be able to set CPU RTC (Real Time Clock).

Version: 1.2.8.25
Details:
1.) Initial release