2.30 - 260310
10. March 2026
Important Update
After upgrading to this firmware version, it is no longer possible to downgrade to a lower version.
Added Features
- $$MBSALIRM/$$MBSALIRM2/$$MBSALIRM3 Battery Test Detection [T5558]
- WiFi Page Now Includes Search Button for Access Points [T5544]
- BACS4 Module Types C24/C44 Support [T5462]
- BACS4 Module Firmware Upgrade from WebManager [T5350]
- Optic/Acoustic Feedback for USB Log Transfer [T5524]
- Force New Password Registration [T5530]
- Exchange Online (EXO): Support Added [T5557]
- IP Address added to System Variables [T5580]
- AUX: Communication Lost/Restored Events [T5571]
Changed Functionality
- XANTO/ZINTO, improvement of UPS Functions [T5488]
- $$PRFLEX Serial Number Addition [T5563]
- EMail Error Message Updated to Be More Helpful [T4264]
- $$EVOxx Extended BACnet Support [T5506]
- Check Box for Reviewing User Passwords When Logged In [T5603]
Bug Fixes
- Updating from older revisions will properly add IPv6 settings [T5602]
- Sentryum CSS 80-120 UPS Status Adjustment [T5575]
- $$MEGA/MEGAE UPS Monitor screen adjustment [T5564]
- BACS4 Module Equalizing Error On Power Cycle [T5520]
- BACSLog Chart No Longer Displaying [T5622]
- Timeserver Sync Not Working After Reboot [T5607]
- BACS "List Module Numbers Stringwise" Not Working [T5613]
- Incorrect Triggering of "UPS Battery Old" When Configured Value is Too Large [T5610]
- Cannot Save Config when Changing UPS Model [T5614]
Security - TLS 1.3 Support for CS141 WebServer [T4680]
- OpenSSH Version Incremented to 10.2p1 [T5587]
OEM customer specific features, changes and fixes
- OEM 004: OverTemp Alarm Bit Is Now Detected Again [T5620]
- OEM 007: Eurotech added the SENTRYUM CSS 10-120kVA and NextEnergy NXE series
- OEM 008: TriMOD UPS Added [T5538]
- OEM 011: Switched COM1 default to none [T5572]
- OEM 011: Sander added the Eaton, Riello, Masterguard, Emerson, Hauwei and Delta UPS series
- OEM 012: Generex added the Socomec NETYS RT4, Kstar MPIII and MP IV series
- OEM 014: "Li90" UPS Communications Lost [T5467]
- OEM 017: $$MBKEHUA Communication lost [T5573]
- OEM 017: $$MBKEHUA No Battery Failure [T5601]
- OEM 017: Multimatic added the MD-3311-10k UPS
- OEM 035: $$EVO5 "JOVYSTAR-COMPACT M/L" Battery Capacity Display Adjusted [T5589]
- OEM 044: Ablerex added the MS PRO, SMART and PRO series
- OEM 047: S2S added the whole Legrand UPS series
- OEM 053: Riello added the SENTRYUM CSS and NextEnergy NXE series
- OEM 055: Coromatic added the KEHUA UPS series
- OEM 057: BPC added the POWERPRIME series
- OEM 059: Alpha added the Tri Power X33 HIMOD CE UPS
- OEM 061: Sapotec added the Alpha ConPlus series
- OEM 077: EPT Smart Offline UPS added [T5638]
- OEM 079: Name Adjusted from Eltek to Delta [T5576]
- OEM 084: Kohler UPS Ltd. become Rehlko UPS Ltd.
- OEM 097: Tuya Smart Switch Added [T5547]
2.28 - 250930
30. September 2025
Normal Update
Added Features
- MQTT Integration As A Service [T5345]
- BACnet BBMD/FDR Support [T5399]
- BACS Additional Modbus Values [T5541]
Changed Functionality
- Changing BACS String Names will not restart the BACS Bus [T5305]
- Setup Wizard Now Allows the Selection of Cable Type Under UPS Setup [T5521]
- Incoming NTP Requests Are Now Blocked on the CS141 [T3362]
Bug Fixes
- About System Page Showing Incorrect Network Mode [T5556]
- Switching of AUX ports via SNMP Set may not work [T5548]
- Log of time sync job failure on unsupported UPS models [T5545]
- RCCMD traps no longer working, after check upsman failed [T5554]
- SiteMonitor 6, sensor alarms will not be rejected via SNMP V3 [T5540]
- SiteManager/SiteMonitor UPS Status "Disabled" or "Communications Lost" [T5531]
- Backup/Restore Functionality Fixed for 2.26 Backup Restoration [T5528]
- BACS Modbus Values For Serial Number and Battery Capacity Fixed [T5498]
OEM customer specific features, changes and fixes
- OEM 004: Adjusted UPS Pages to Match Physical Color Units [T5499]
- OEM 004: Xanto 6000/10000, $$PREXTXANTO, addition of jobs [T5494]
- OEM 007: Added the Sentryum S3T 30-120kVA series
- OEM 008: Added the Keor DK UPS series [T5514]
- OEM 012: Added the Socomec MODULYS XL
- OEM 014: "Li90" Communication Protocol Changed To Proper One [T5467]
- OEM 015: Added the PowerValue 11/31/33T G2 10-20k series
- OEM 017: ML-1500T, $$PREXT via USB, UPS Monitor values missing [T5504]
- OEM 021: Errepi added the Sentryum S3T 80-120kVA and CSS series
- OEM 026: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 028: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 029: Added the PowerValue 11/31/33T G2 10-20k series
- OEM 030: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 032: "Triton 10-500 kVA slot" Modbus Additional Values [T5470]
- OEM 036: Added the PowerValue 11/31/33T G2 10-20k series
- OEM 039: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 047: Added the Syrius SPS
- OEM 048: Added the Socomec MODULYS XL, Sentryum S3T 80-120kVA and CSS series
- OEM 049: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 055: Added the Socomec MODULYS XL
- OEM 058: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 059: Added the Tri Power X33 80-120kVA and Tri Power CSS Series
- OEM 060: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 061: Added the Sapotec Serie S3T 80-120kVA and Sapotec Serie CSS
- OEM 064: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 066: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 068: Color Scheme Adjusted
- OEM 076: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 077: Added the Sentryum S3T 80-120kVA and CSS series
- OEM 087: Added the Maxi J F H Pro and Maxi J ZSV series
- OEM 090: Added the PowerValue 11RT G2 and 11/31/33T G2 10-20k series
- OEM 097: Added the Tuya Circuit Breaker
2.26 - 250617
17. June 2025
Normal Update
Added Features
- Calibrate All Current Sensors at One Time [T5443]
- Introduction of USB Automatic Log Transfer [T5363]
- USB Device Log Entries for USB Storage/WiFi/UPS Events [T5455]
- UPS Communication Over USB Port [T5347]
- CS141Conf Tool First Time Admin Functionality Added [T5479]
- Samsung Lithium Ion Battery Monitoring Support Added [T4660]
Changed Functionality
- UX Improvement of First Time Admin Registration [T5474]
- SNMP v3 Password Invalid Characters List Updated [T5445]
Bug Fixes
- Not Synchronizing Time with UPS [T5434]
- SM_T_H_COM Temperature Thresholds Incorrect Display on Web Interface [T5460]
- Green/Red LED No Longer Permanently On [T5501]
- USB UPS Connection Reporting Connection Lost [T5511]
- EMail Traps Failing When Equalizing/Balancing is Switched Off [T5503]
OEM customer specific features, changes and fixes
- OEM 003: Piller Protocol SNMP Mapping Updated [T5469]
- OEM 004: Updated Web Interface Color Scheme [T5487]
- OEM 007 053 060: "Sentryum CSS" UPS values missing and/or incorrect [T5485]
- OEM 012: "9PX" UPS Series Battery Voltage Display Fix [T5382]
- OEM 014: "X90-EN2S" System Output Amerage Not Displaying [T5507]
- OEM 022: "UPS Type 12" Missing SNMP Values Added [T5461]
- OEM 051: Adjusted all UPS Model Default Baud Rates [T5493]
- OEM 082: Addition of UPS Model "TWIN RT3 Lithium" [T5472]