7
“pCO compact” +050003343 - 1.3 - 12.09.2016
ENG
2.4 SERIAL specications
Item Type Reference Main specications
Serial ZERO PLAN J4, J5 • Integrated on main board
• Not opto-isolated
• HW driver: RS485
• Connectors: Telephone jack + 3-pin plug-in p. 3.81
CABLE LENGHT
Connector Shielded
cable type
Lmax (m) Power supply
J4 Telephone 50 given by pCO compact (150 mA)
J4 AWG24 200 given by pCO compact (150 mA)
J4 AWG20/22 500 separated by TCONN6J000
J5 AWG20/22 500 -
Serial ONE BMS 1 Serial Card 1 • Not integrated on main
• HW driver: not featured
• Allows all the pCO family optional BMS cards to be used
• Maximum cable lenght: refer to technical leaflet of the serial card
Serial TWO Opto-isolated
FIELD Bus
J8 • Integrated on main board
• Opto-isolated serial
• HW driver: opto-isolated RS485
• 3-pin plug-in connector p. 3.81
• Maximum lenght of shielded cable AWG20/22: 500 m:
tLAN J6/J7
Instead of the FieldBus serial, the following can be used:
• tLAN serial available on a 2-pin connector, p. 3.81 (J7)
• connection to a PLD terminal available via special 4-pin connector (J6)
• J7: maximum lenght of shielded cable (2 wires + shield) AWG20/22: 30 m
• J6: maximum lenght of 4-wires cable (see accessories table): 2 m for domestic
application, 10 m for residential application
Tab. 2.b
Note:
Use only STP or S/UTP cable with both extremity of shield connected to PE (see par. “Electrical connections“).
• The serial 2 has been designed to be MASTER. This implicates that possible pCO compact SLAVEs, can not be connected
using his own serial 2. Nevertheless it is possible connect only one pCO compact using his own serial 2.
2.5 pLAN network/user terminal connection
Type
Asynchronous half duplex RS485
Transmission speed
62.5 Kbps or 115.2 Kbps selected via software
Maximum number of units connectable
Maximum 32 units allowed
Connector for terminal
6-pin shielded telephone (J4)
Connector for pLAN network,
Graphic terminal, Aria terminal
3-pin plug-in connector, pitch 3.81 mm (J5)
Tab. 2.c
Note:
• J4 can only be connected to one terminal (pCOT, pCOI, pGD0 and pGD1) or two terminals without using the backlighting
for the display.
• The Graphic terminal and Aria terminal must be always powered with separate power supplies.
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