Pepper Computer Modular Computers RS232 User Manual
SMART I/O User’s Manual
March 12, 1996
©1996 PEP Modular Computers GmbH
Page 3 - 8
Chapter 3 SMART-EXT
Pinouts process side (ST2 and ST4)
Refer to figure 3.4.0.1 for the correct location of these pin-row connectors.
Slots A and B (ST2 and ST4)
The PC board connections to the screw terminals are capable of absorbing a
continuous current of up to 3A each. However, pins 13 and 14 can support up
to 6 Amps.
3.4.2 Parallel I/O Screw Terminals (SCRA and SCRB)
The screw terminal blocks are individually composed of 7 free connections
which, when stacked provide 14 free connections per I/O slot. The pinout
functionality depends on the type of SMART-Modules fitted and the relevant
module should be referred to in the appropriate section of this manual.
Pin Nr.
Signal
Pin Nr.
Signal
1
Screw Terminal 13
2
Screw Terminal 13
3
Screw Terminal 1
4
Screw Terminal 2
5
Screw Terminal 3
6
Screw Terminal 4
7
Screw Terminal 5
8
Screw Terminal 6
9
Screw Terminal 7
10
Screw Terminal 8
11
Screw Terminal 9
12
Screw Terminal 10
13
Screw Terminal 11
14
Screw Terminal 12
15
Screw Terminal 14
16
Screw Terminal 14
WARNING !
Dangerous voltages may be present at the terminals.