HEIDENHAIN TNC 122 Technical Manual - Manual (Page 13)

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TNC 122 8 Pin Layout 4/97
X41 TNC 122 Connection-assignment TNC 121
Contact Contact
PLC inputs
1 I8 High=M26/ Low=M27
PLC outputs
2 I9 High=M24/ Low=M25
Feed rate override
3 I10 High=M22/ Low=M23 or M09
PLC power supply
4 I11 High=M20/ Low=M21 or M05
5 I12 M08 coolant ON/ M09 OFF
Terminal board, 6 I13 M04 left spindle ON/ M05 OFF
48 contacts 7 I14 M03 right spindle ON/ M05 OFF
8 I15 acknowledgment M function
9 +24 V PLC
10 Control-is-ready output
11 O13 M04 left spindle ON/ M05 OFF or High=M18/
Low M19
12 O11 High=M20/ Low=M21 or M05
13 O9 High=M24/ Low=M25
14 O7 High=M28/ Low=M29
15 O5 Output for negative traverse direction (for one-
quadrant drives)
Erosion (205430) M02,M30 switches the output = 0 13
16 O4 Output for rapid traverse
(erosion 205430 M02,M30 Stop-erosion output=0) 11
17 O3 Output for Z axis enable 18
18 O2 Output for Y axis enable 20
19 O1 Output for X axis enable 22
20 O0 Output for Manual operating mode 16
21 not assigned
22 0 V Analog voltage 8
23 +/– 10 V Analog voltage (depending on MP 70) 9
24 Feed rate override ( wiper ) 4
25 I0 Input NC start 1
26 I1 Input NC stop 2
27 I2 Input rapid traverse key (Erosion 205430 erosion
ended, acknowledge with M36) 7
28 I3 Input for control-is-ready acknowledgment
29 I4 not assigned
30 I5 not assigned
31 I6 High=M23/ Low=M33
32 I7 High=M28/ Low=M29
33 0 V PLC 6