Flowcell Solenoid Valve Connections - ABB 9438 User Manual

3.6 Flowcell Solenoid Valve Connections – Fig. 3.9
Customer supplied cable to transmitter or PSU
Cross sectional area = 0.5 mm
Minimum current rating
Construction
Nominal diameter
Note.
Use 2 core cable with 9438 080 PSU
(ABB part number 0233 731).
Use 3 core cable with customer supplied 24 V DC supply.
Remove cover to expose terminals
1
and thread the cable through the cable
gland.
Connect the wires as shown. Ensure
2
that the diode remains in the position
indicated (cathode to terminal 1 and
anode to terminal 2).
Fit the cover and tighten the cable
3
gland.
Specification to BS 6500
2
= 3 A
= 16/0.2 mm
= 5.4 mm (minimum 5.0 mm)
Diode
Fig. 3.9 Solenoid Connections
3 ELECTRICAL CONNECTIONS
Solenoid
Cable Gland
+24 V DC via N/O of relay
in 9438 transmitter
(see Fig. 3.4)
3
2
0 V
See Appendix A if
9438 080 PSU is
supplied.
Valve
1
3
11