Pepper-computer Modular Computers RS485 Bedienungsanleitung PDF herunterladen (Seite 86)

SMART I/O User’s Manual

March 12, 1996

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.

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 319 320

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Pepper-computer Modular Computers RS485 Bedienungsanleitung Seite 86