PEP Modular Computers Modular Computers RS485 User Manual page 51

Chapter 2 SMART-BASE
SMART-Module location #2 (ST1) pinouts
Pin Nr. Signal
1 PITA0
3 PITA2
5 PITA4
7 PITA6
9 System GND GND
11 System VCC
13 CS-SM3
15 Reset
Pinouts process side (ST6, ST4 and ST2) for Modules #0 to #2
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.
March 12, 1996
Description
I/O Controller Port A0
I/O Controller Port A2
I/O Controller Port A4
I/O Controller Port A6
5V VCC
Port Select (Module 2)
Reset (Power ON/OFF)
Pin Nr. Signal
1 Screw Terminal 13
3 Screw Terminal 1
5 Screw Terminal 3
7 Screw Terminal 5
9 Screw Terminal 7
11 Screw Terminal 9
13 Screw Terminal 11
15 Screw Terminal 14
WARNING !
Dangerous voltages may be present at the terminals.
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
Pin Nr. Signal
2 PITA1
4 PITA3
6 PITA5
8 PITA7
10 Serial RxD
12 Serial TxD
14 Serial CLK
16 SM3 Interrupt PI/T
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
Description
I/O Controller Port A1
I/O Controller Port A3
I/O Controller Port A5
I/O Controller Port A7
RxD
TxD
CLK
INT1 to the
I/O Controller
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