Block Diagram (Simplified) - Omicron CT SB2 User Manual

PC interface
9-pole SUB-D connector, female.
Connection of CT SB2 to a PC (to serial COM
interface or USB interface via USB-serial
adapter).
CTA interface
9-pole SUB-D connector, male.
Connection of CT SB2 to the remote control
interface of CT Analyzer.
Figure 3-2: Side view of CT SB2 with mains connection unit, PC and CTA interfaces, and equipotential
bonding connector
3.2

Block diagram (simplified)

PRIM
Relays
Control
Mains
Power Supply
Figure 3-3: Simplified block diagram of CT SB2
OMICRON
Mains fuse: 2 x T2.0A / 250V, high breaking capacity
ON/OFF switch
BURDEN
BURDEN
Relays Switching relays
Mains socket (IEC320)
Equipotential bonding connector
(4mm socket combined with knurled nut
for clamp connection)
TAPS
CTA
RS232
CTA
RS232
PC
Hardware
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