7 known function restrictions of the controller, Known function restrictions of the controller, 4plc functionality – Lenze E94AxPExxxx User Manual

Page 74

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4

PLC functionality

4.8

Appendix

74

Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06

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Memory modules
In order to use the PLC functionality, the memory module MM340 or MM440 (licence: "PLC") must

be plugged in the controller. Saving with mains failure protection of the IEC61131-3 program into

another memory module is not possible.
The following table compares the storage capacities and functions of both memory modules:

4.8.7

Known function restrictions of the controller

Restrictions when working with the SysLibTime.lib library
The structure entry DayOfWeek of the function block CurTimeEx is not supported by the controller.

Device error by aborting a trace recording
A started trace recording must be stopped with the command "Stop trace".
Otherwise, a device error occurs in case of a premature log-out that can only be reset by mains

switching of the controller.

Project options in »PLC Designer«
In the PLC project under the menu item ProjectOptionsSource download, the setting "Only on

request" must be activated at the time of download. Otherwise, an error message will be generated

when a boot project is created.

MM340

MM440

Size of the file system

• For example for »Engineer« project data, programs, and

parameter sets.

4 MByte

8 MByte

Retain memory

4992 Byte

64 kByte

CAN address switch

• For system bus "CAN on board".

Real-time clock

• For adjusting the system time at switch-on.

• Display in

C01214

, setting in

C01215

.

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