Carel pCO3 Technical Leaflet page 14

The maximum distance between the pCO and user terminal is shown in the following table.
cable type
telephone
AWG24 shielded cable
AWG20/22 shielded cable
The maximum distance between two pCO
Note:
• a maximum of one terminal (pCOT, pCOI, pGD0, pGD1) can be connected, or two terminals but without using use the backlighting on
display.
• the graphic terminal and aria terminal should be always powered with a separate power supply.
• the 21 Vdc present at +Vterm (J24) can be used to power an external terminal with a maximum input of 2 W. Only one terminal can be
connected
(for example PLD terminal or ARIA terminal) in addition to the one connected to terminal J10.
Other specifi cations
storage conditions
operating conditions
index of protection
environmental pollution
class according to protection against electric shock
PTI of the insulating materials
period of stress across the insulating parts
type of action
type of disconnection or microswitching
category of resistance to heat and fi re
immunity against voltage surges
ageing characteristics (operating hours)
no. of automatic operating cycles
software class and structure
category of immunity to voltage surges (CEI EN 61000-4-5)
The device is not designed to be hand-held
WARNING
• for applications subject to strong vibrations (1.5 mm pk-pk 10/55 Hz), secure the cables connected to the μ pCO
around 3 cm from the connectors
• If the product is installed in industrial environments (application of the EN 61000-6-2 standard) the length of the output connections must
be less than 30 m.
• installation must be performed according to the standards and legislation in force in the country where the appliance is used;
• for safety reasons the appliance must be housed inside an electrical panel, so that the only accessible part is the display and the control
keypad;
• all the very low voltage connections (analogue and digital inputs at 24 Vac/Vdc, analogue outputs, serial bus connections, power) must
have reinforced or double insulation from the mains;
• in the event of malfunctions do not attempt to repair the appliance, but rather contact the CAREL service centre;
• in domestic environments, the connection cable between the pCO
+050003299 - 1.6 03.08.2011
power supply distance
50 m
200 m
500 m
3 controllers with AWG20/22 shielded cable is 500 m.
3
One version of the pCO
-40T70 °C, 90% RH non-condensing
-25T70 °C, 90% RH non-condensing
IP20, IP40 front panel only
2
to be incorporated into Class I and/or II appliances
PCB: PTI250; insulation material: PTI 175
long
1C
microswitching
category D (UL94 - V0)
category II
80,000
100,000 (EN 60730-1); 30,000 (UL 873)
Class A
Category III
power supply
taken from the pCO (150 mA)
taken from the pCO (150 mA)
separate power supply via TCONN6J000
features optically-isolated connection to the pLAN network.
3 and the terminal must be shielded.
6
3
using clamps placed