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INNOV@-pCO1-IOM-0907-E
8 ARCHITECTURE OF THE CONTROL SYSTEM
8.1 Microprocessor layout
Connector description
1. connector to the power supply [G(+),
G0(-)];
2. fuse 250 Vac, 2A delayed (T2 A);
3. universal analog inputs NTC, 0/1 V, 0/5
V, 0/20 mA, 4/20 mA;
4. passive analog
inputs
NTC
and
ON/OFF;
5. passive analog inputs NTC;
6. Yellow LED indicating power supply on
and 3 indicator LEDs;
7. 0/10 V analogue outputs and PWM
phase-cut outputs;
8. digital inputs at 24 Vac/Vdc;
9. digital inputs at 230 Vac or 24 Vac/Vdc;
10. connector with Vref for 5V power supply
to probes and V Term for power supply
to display;
11. connector for all standard displays in
the pCO series and for downloading the
application program;
12. pLAN local network connector;
13. connector
for
connection
to
the
programming key;
14. digital outputs to relay;
15. flap for selection of analog input type;
16. flap for installation of serial board:
- RS485 for supervisor (optional)
- Gateway (protocol converter, optional)
17. flap for installation of clock board
(optional) .
Figure 15: Layout microprocessore