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Application Knowledge Base
Article
Versions-History Controller c750
Versions-History Controller c750
Version V01.08.01.0000
Function extensions:
not existing
Solved function restrictions:
not existing
Function restrictions:
Vulnerability in OPC-UA authentication
Cycle time extensions when starting the c750
SysTargetGetNodeName sporadically returns wrong name
Boot application with encrypted application not possible (no correction planned)
OPC UA Server does not display PLCopen information model
No login possible after communication interruption
c5x0 / c750: Profinet: sporadically the station name is lost after power switching
MMC: Bits "IsPresent" and "IsMandatory" at c250-S without function
USB-Device can not remount after safely remove hardware
SD cards of a certain serial number range are not suited for i950 / c5x0 / c750 (no remedy possible)
Parameter sets of the devices connected to the controller are not stored power safe
Version V01.08.00.0000
Function extensions:
not existing
Solved function restrictions:
OPC UA Server: error message "BadTooManySubscriptions" (fixed to V1.8)
OPC UA server no longer addressable when address range is browsed
OPC-UA Server reports out of memory due to many files on the SD card
PROFINET: Bitwise transmission fails (corrected from V1.8)
Version V01.07.00.0000
Function extensions:
Lenze OPC UA Server with c5x0 and c750
Improved EtherCAT diagnostics
Support of the Lenze EtherCAT Device
Support of secure communication for web-visu
FAST_System_Configuration' object
Object 'ParameterEditor'
FAST Toolbox becomes FAST Framework (Step 1)
Solved function restrictions:
Backplane bus of the controller not running (corrected from V1.7)
Task configuration: Display of a too large jitter value (corrected from V1.7)
c750 does not start without errors after firmware downgrade from V1.7 to V1.6 (corrected from V1.7)
After download or reset cold no data exchange via EtherCAT device (corrected from V1.7)
Error message 'Network: Invalid configuration'.
Version V01.06.01.0000
Function extensions:
not existing
Solved function restrictions:
not existing
Version V01.06.00.0000
Function extensions:
not existing
Solved function restrictions:
PLC logbook contains debugging information (fixed from V1.6)
Function call of 'SysTargetGet...' overwrites application memory (corrected from V1.6)
Version V01.05.00.0000
Function extensions:
Configuration of the automatic firmware update of EtherCAT slaves
Firmware download via Ethernet
EASY Starter supports Lenze controllers c5xx and c750
Ethernet Tunnel via Profinet Interface
OPC-UA: Changed data type when accessing TIME variables
Solved function restrictions:
Profinet communication aborts when using the i950 engineering port at the same time (corrected from V01.05.00)
c5x0 / c750: PLC Designer communication can sporadically not be established to the device after parameter change (fixed from V1.5)
Parameter sets are not transferred to controller (fixed from V1.5)
Parameter sets of the devices connected to the controller are not stored in a power-failure-proof manner (fixed as of EASY Starter V1.19 and c5xx V1.5)
Retain variables are set to initial values by device command 0x2022/43 (fixed as of V1.5)
c5x0 / c750: After setting the Profinet IP address, the controller can no longer be reached via Ethernet (corrected from V1.5.0)
Fields on parameter dialogues do not change colour online and do not show correct values (fixed from V1.5, V3.20)
IP address is not taken over when device is replaced (corrected from V1.5)
EtherCAT bus becomes operational, although parameters could not be written during the initialization phase (corrected)
Version V01.04.00.0000
Function extensions:
not existing
Solved function restrictions:
L_ETC_GetMasterDiagnostic: Output xNotAllSlavesOperational becomes not TRUE (fixed with V1.4)
Version V01.03.01.0000
Function extensions:
New parameters
Device search for controller backplane bus
Parallel parameter set download
i550: Parameter set download if required
Solved function restrictions:
not existing
Version V01.03.00.0000
Function extensions:
not existing
Solved function restrictions:
c550, c750: The fan does not switch on (fixed from V01.03)
URL for linking this AKB article:
https://www.lenze.com/en-de/go/akb/202300366/1/
Meta data
Taxonomy: Controller c750
AKB-ID: 202300366
Last update: 2023/09/13
Category: Versions Histories
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