HEIDENHAIN TNC 122 Technical Manual - Manual (Page 33)

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TNC 122 9 Machine Integration 4/97
Machine parameters can select whether the RAM and the EPROM are to be tested when the
control is switched on. When commissioning it is recommended that the memory test be
deactivated. The message “Memory test” is displayed during the memory test.
MP7690
Memory test at switch-on
Input values: 0 to 3
0 = EPROM and RAM test at switch-on
1 = EPROM test at switch-on
2 = RAM test at switch-on
3 = No memory test at switch-on
The TNC 122 can also be used when no machine is connected to it. MP7210 sets the modes it can
then be used in.
MP7210
Programming station
Input values: 0 to 2
0 = Control
1 = Programming station, PLC active
2 = Programming station, PLC not active