Service manual

SERVICE MANUAL TNC 415B/425
Page 26
Issue: 20.08.95
X46 Machine Operating Panel X47 PLC Expansion Interface
flange socket with female insert (37-pin, D-SUB) 12V interface
flange socket with male insert(25-pin, D-SUB)
Pin No. Assignment Pin No. Assignment
1 I128 1,2,3 0 V * 1
2 I129 4 serial IN 2
3 I130 5,6,17,18 not assigned
4 I131 7 -RESET
5 I132 8 -WRITE EXTERN
6 I133 9 WRITE EXTERN
7 I134 10 -O5
8 I135 11 -O3
9 I136 12 -O1
10 I137 13 shield
11 I138 14,15,16 + 12V * 1
12 I139 19 serial IN 1
13 I140 20 EMERGENCY STOP
14 I141 21 -serial OUT
15 I142 22 serial OUT
16 I143 23 -O4
17 I144 24 -O2
18 I145 25 -O0
19 I146
20 I147
21 I148
22 I149
23 I150
24 I151
25 I152
26 O0
1)
27 O1
1)
28 O2
1)
29 O3
1)
30 O4
1)
31 O5
1)
32 O6
1)
33 O7
1)
34 0 V (PLC)
2)
35 0 V (PLC)
2)
36 + 24V PLC
3) 4)
37 + 24V PLC
3) 4)
1)
O0...O7 simultaneously at X21 (PLC output)
2)
0V PLC reference potential for testing
3)
+ 24 V PLC supply voltage routed via fuse for the inputs
I128 to I152
4)
PLC board version 01/02: + 24V_A can be switched off
PLC board version 03: + 24V cannot be switched off