Siemens SIMATIC HMI TP27 - Page 198

B-3
TP27, TP37 Equipment Manual
Release 01/00
Pin assignment of the 25–pin Sub–D socket:
Pin TTL (Centronics)
1 – Strobe
2 + Data Bit 0
3 + Data Bit 1
4 + Data Bit 2
5 + Data Bit 3
6 + Data Bit 4
7 + Data Bit 5
8 + Data Bit 6
9 + Data Bit 7
10 – Acknowledge
11 + Busy
12 + Paper End
13 + Select
14 – Auto Feed
15 – Error
16 – Init Printer
17 – Select Input
18...25 Ground
LPT (TP37 only)
Interface Assi
g
nments
13 1
25 14