2 pin layout: plc i/o board pl 400 – HEIDENHAIN TNC 306 Service Manual User Manual
Page 25
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SERVICE MANUAL TNC 306/360
Page 21
HEIDENHAIN Service
6.2.2 Pin Layout: PLC I/O Board PL 400
X1
Pin No.
Assignment
PL 400
X4
Pin No.
Assignment
PL 400
1
O32
1
I126
2
O33
2
I74
3
O34
3
I73
4
O35
4
I72
5
O36
5
I71
6
O37
6
I70
7
O38
7
I69
8
O39
8
I68
9
O40
9
I67
10
O41
10
I66
11
O42
11
I65
12
do not assign
12
I64
X2
Pin No.
Assignment
PL 400
X5
Pin No.
Assignment
PL 400
1
O43
1
I86
2
O44
2
I85
3
O45
3
I84
4
O46
4
I83
5
O47
5
I82
6
O48
6
I81
7
O49
7
I80
8
O50
8
I79
9
O51
9
I78
10
O52
10
I77
11
O53
11
I76
12
do not assign
12
I75
X3
Pin No.
Assignment
PL 400
X6
Pin No.
Assignment
PL 400
1
O54
1
I98
2
O55
2
I97
3
O56
3
I96
4
O57
4
I95
5
O58
5
I94
6
O59
6
I93
7
O60
7
I93
8
O61
8
I91
9
O62
9
I90
10
control ready for operation
10
I89
11
do not assign
11
I88
12
+ 24 V cannot be switched
12
I87
off via EMERGENCY STOP
1) + 24 V must always be connected, even if the outputs are not used.
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