2 plc inputs/outputs on the pl 400 – HEIDENHAIN TNC 335 Technical Manual User Manual
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TNC 360
11 PLC inputs/outputs
3-47
11.4.2 PLC inputs/outputs on the PL 400
The PLC inputs/outputs on the PL 400 are distributed among nine connectors.
Assignments as follows:
X1
X2
Pin Number
Assignment
PL 400
Pin Number
Assignment
PL 400
1
O32
1
O43
2
O33
2
O44
3
O34
3
O45
4
O35
4
O46
5
O36
5
O47
6
O37
6
O48
7
O38
7
O49
8
O39
8
O50
9
O40
9
O51
10
O41
10
O52
11
O42
11
O53
12
Do not use
12
Do not use
X3
X4
Pin Number
Assignment
PL 400
Pin Number
Assignment
PL 400
1
O54
1
I126
2
O55
2
I74
3
O56
2)
3
I73
4
O57
2)
4
I72
5
O58
5
I71
6
O59
2)
6
I70
7
O60
2)
7
I69
8
O61
2)
8
I68
9
O62
2)
9
I67
10
Control is operational
10
I66
11
Do not use
11
I65
12
+24 V cannot be switched
off via ext. EMERGENCY
OFF
1)
12
I64
1) +24 V must always be connected, even if the outputs are not used.
2) Outputs cannot be switched off via EMERGENCY STOP
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