Base connectors

The SkyVue PRO has three connectors on its base. One connector is for communications; another connector provides power to the unit and the last connector takes power from the unit to the hood heater and blower.

NOTE:

Tilting the unit provides better access to these connectors.

Connector layout

The function of the connector pins is shown in Function of the connector pins for the mains connector, Function of the connector pins for the blower/heater connector, and Function of the connector pins for the communications connector.

Function of the connector pins for the mains connector
Pin	Function	Color of supplied cable cores
1	Live	Brown
2	Not connected	NA
3	Neutral	Blue
4	Earth	Green/yellow

Function of the connector pins for the blower/heater connector
Pin	Function	Color of supplied cable cores
1	Neutral	Black (1)
2	Fan + 12 VDC	Black (2)
3	Thermistor	Black (3)
4	Thermistor (0 V)	Black (4)
5	Switched 230/115 VAC	Black (5)
6	Fan 0 V	Black (6)
E	Earth	Green/yellow

Function of the connector pins for the communications connector
Pin on connector on SkyVue PRO	Color of supplied cable cores	9-pin D connector	RS-232	RS-485 half duplex	RS-485 full duplex/ RS-422
1	Red	8	CTS (DCE) output	B/D+	Y/TXD non-inverting
2	Yellow	7	RTS (DCE) input		B/RXD non-inverting
3	Green	5	Gnd
4	Black			Gnd	Gnd
5	White	2	RXD (DCE) output	A/D–	Z/TXD inverting
6	Blue	3	TXD (DCE) input		A/RXD inverting
E	Screen