Technical data

Hardware Information
8-18
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
Parallel Port LPT1
The parallel port (LPT 1) on the SIMATIC Box PC 620 has the following pinout:
1
13
14
25
Figure 8-3 Parallel Port LPT 1 (Socket)
Pin No.
Signal Designation Input /Output
1 / Strobe (CLK) Output (open collector)
2 Data - Bit 0 Output (TTL level)
3 Data - Bit 1 Output (TTL level)
4 Data - Bit 2 Output (TTL level)
5 Data - Bit 3 Output (TTL level)
6 Data - Bit 4 Output (TTL level)
7 Data - Bit 5 Output (TTL level)
8 Data - Bit 6 Output (TTL level)
9 Data - Bit 7 Output (TTL level)
10 /ACK (Acknowledge) Input (4,7 k pull up)
11 BUSY Input (4,7 k pull up)
12 PE (PAPER END) Input (4,7 k pull up)
13 SELECT Input (4,7 k pull up)
14 / AUTO FEED Output (open collector)
15 / ERROR Input (4,7 k pull up)
16 / INIT Output (open collector)
17 / SELECT IN Output (open collector)
18 GND -
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