HEIDENHAIN TNC 122 Technical Manual - Manual (Page 39)

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TNC 122 11 Machine Parameters 4/97
11.2 Machine Parameter List
Machine
Parameter Function and input Input value
MP 31 Monitoring of encoder signal amplitude
Input values: 0 to 7
Bit 0 Axis X
+0 inactive
+1 active
Bit 1 Axis Y +0 inactive
+2 active
Bit 2 Axis Z +0 inactive
+4 active
MP 40 Displayed axes
Input values: 0 to 7
Bit 0 Axis X
+0 not displayed
+1 displayed
Bit 1 Axis Y +0 not displayed
+2 displayed
Bit 2 Axis Z +0 not displayed
+4 displayed
MP70 Analog output bipolar or unipolar
Input values: 0 or 2
0 = bipolar
1 = unipolar (ensure that MP1040 = 0!)
traversing the end position outputs 0 V
2 = unipolar, traversing the end position inverts
the nominal-value voltage
MP80 Analog voltage source for rapid traverse from
the control or from external source
Input values: 0 to 2
0 =
reserved
1 = analog voltage from external source
2 = analog voltage from control
(Position control loop closed)
MP110.0-2 Assignment of encoder inputs to the machine
axes
Input values: 0 to 2
0 = encoder input X1
1 = encoder input X2
2 = encoder input X3
MP210 Counting direction of encoder signals
Input values: 0 to 7
Bit 0
Axis X +0 = positive
+1 = negative
Bit 1 Axis Y +0 = positive
+2 = negative
Bit 2 Axis Z +0 = positive
+4 = negative
MP330.0-2 Grating period
Input values: 4, 10, 20, 40, 100, 200 [µm]