Psu Connections; Wiring Schematic; Specification; A.4 Psu Connections - ABB 9438 User Manual

A.4 PSU Connections – Fig. A.3
110/115 V AC
230/240 V AC
Mains cable in
To earth
terminal in lid
Earth bonding stud.
(Enclosure must be bonded
to earth via this stud)
A.5 Wiring Schematic – Fig. A.4
Important Note. PSU should be earth bonded.
Note. 0V is internally connected to earth.
90 – 264 V a.c.
Mains. supply
C
Switch Mode PSU
(up to 4 D.O. Systems)
C NO
Relay 2
9438 Transmitter
Solenoid Valve Powered Via Optional PSU
Fig. A.4 Wiring Schematic
APPENDIX A – 9438 080 24 V DC POWER SUPPLY UNIT (OPTIONAL)
To solenoid valve on flowcell assembly (maximum: 4 valves)
Pre-wired to
terminal block
To 4641/4646 transmitter solenoid valve relay (maximum: 4)
Fig. A.3 PSU Connections
Switched Output to
Solenoid Valve
0V +24V
N/O
Solenoid Valve
SWITCHED OUTPUT TO SOL VALVE
SOL 4 SOL 3 SOL 2
E N L
TX4 TX3 TX2
TO RELAY 2 OF TRANSMITTERS
A.6 Specification
Overall dimensions
160 x 98 x 62 mm
(6.3 x 3.86 x 2.44 in.)
Output power
24 V @ 2.5 A, 60 W maximum from all outputs
Holdup time
6 ms at full load 115/230 V AC
Line regulation
0.3% over operating range
Load regulation
0.5% from minimum load to full load
Power supply
Voltage requirements
90 to 264 V AC, 47 to 63 Hz
SOL 1
TX1
35