Registered in England No. 08405712
VAT Registration No. GB163 04 0349
Siretta Ltd
Basingstoke Road
Spencers Wood
Reading
Berkshire RG7 1PW
sales
email
web
+44(0)118 976 9000
www.siretta.com
43
QUARTZ-ONYX
Hardware Manual
Power is supplied via a green 8-way 3.50 mm pitch terminal block which also carries
the RS232/RS485 connections. The mating connector for the terminal block is Phoenix
Contact part number 1840421 or equivalent. All QUARTZ-ONYX models are supplied
with an adapter cable consisting of the 8-way connector with power cable fitted (15 cm
in length) and a socket so that a power supply with a 2.1 mm Barrel Plug (2.1 x 5.5) can
be used to power the QUARTZ-ONYX. A QUARTZ-ONYX purchased with accessories
will include a 12 V, 2 A power supply. If using an alternative power supply, this should at
least 24 W of output power.
The power connector is shared with that of the RS232/RS485 interface. Power
should be connected to V+ and V-. The GND terminals are the ground reference for
the RS232 connections and should not be used for the power supply connection.
Figure 27.
Terminal block to DC power jack adapter supplied with all models
160 mm
Power
