Carel pCO5 User Manual

9
+0500040RU - 1.2 - 07.06.2011
ENG
Plug-in connectors
Electrical speci cations of the plug-in connectors used:
Type of connector Pitch 5.08
Rated voltage 250 V
Rated current 12 A
Cable size 0.25 mm
2
- 2.5 mm
2
(AWG: 24 to 12)
Stripping length 7 mm
Screw thread size M3
Tightening torque 0.5-0.6 Nm
Cable AWG and size cross-reference
AWG Size (mm
2
) Current
20 0.5 2
15 1.5 6
14 2.5 8
pCO
5
serial connections
There are three types of serial connections
• pLAN
• BMS
• FieldBus
The FieldBus serial card features Master hardware and so BMS Slave devices must be connected to it. The protocols used for
FieldBus are generally Master (Carel or ModBus®) however Slave can also be used (Carel or Modbus®). The opposite is also true:
Slave protocols will be used on the BMS (Slave hardware) however Master is also possible.
Limits:
• FieldBus serial (Master): a maximum of 64 Slave devices (BMS) can be connected, with the address set between 1
and 207 plus one other FieldBus with Slave function.
• BMS serial (Slave): generally connected to a FieldBus or PC. If connected to a FieldBus a maximum of 16 devices can
be connected. If connected to a PC up to 207 BMS devices can be connected.
• pLAN (Multi Master): maximum 32 devices.
Serial ZERO: PLAN - J10, J11
• Integrated on main board
• Not optically-isolated
• HW driver: RS485
• Connectors: Telephone jack + 3-pin plug-in p. 5.08
Serial ONE: BMS 1 Serial Card
• Not integrated on main board
• HW driver: not present
• Can be used with all pCO family optional BMS cards
Serial TWO: FieldBus 1
• Not integrated on main board
• HW driver: not present
• Can be used with all pCO family optional FieldBus cards
Serial THREE: BMS 2 - J25
• Integrated on main board
• Not optically-isolated (Optically-isolated version also available)
• HW driver: RS485
• 3-pin plug-in connector p. 5.08
Serial FOUR: FieldBus 2 - J26 (and J23 on Large and ExtraLarge version)
• Integrated on main board
• Not optically-isolated
• HW driver: RS485
• 3-pin plug-in connector p. 5.08
• J23 and J26 are electrically insulated but both managed by the same serial port (FOUR).
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Carel pCO5 Specifications

General

Protection Rating	IP20
Connectivity	RS-485
Inputs	Digital, Analog
Outputs	Relay, Analog
Relative Humidity	5 to 95% RH, non-condensing
Communication	Modbus RTU, RS-485
Storage Temperature	-20°C to +70°C