Parallel I/O Screw Terminals (Scra And Scrb) - PEP Modular Computers Modular Computers RS485 User Manual

SMART I/O User's Manual
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)
Pin Nr.
1
3
5
7
9
11
13
15
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.
Dangerous voltages may be present at the terminals.

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.
Page 3 - 8
Signal
Screw Terminal 13
Screw Terminal 1
Screw Terminal 3
Screw Terminal 5
Screw Terminal 7
Screw Terminal 9
Screw Terminal 11
Screw Terminal 14
WARNING !
©1996 PEP Modular Computers GmbH
Chapter 3 SMART-EXT
Pin Nr. Signal
2 Screw Terminal 13
4 Screw Terminal 2
6 Screw Terminal 4
8 Screw Terminal 6
10 Screw Terminal 8
12 Screw Terminal 10
14 Screw Terminal 12
16 Screw Terminal 14
March 12, 1996