Watson-Marlow qdos H-FLO Reference Manual page 79

14.2.4.9 Wiring Information—Control output #2 connection
(Universal+ only)
The following information applies to the Universal+ model only for the control output #2
connection.
Function Pin
Pin 2
RELAY 3
Pin 3
Pin 4
Pin 1
RELAY 4
Pin 7
Pin 6
Pin 5
ANALOG
2M
Pin 8
Signal
RELAY3-NC
24 V 1 A DC Resistive
RELAY3-COM
24 V 1 A DC Resistive
RELAY3-NO
24 V 1 A DC Resistive
RELAY4-NC
24 V 1 A DC Resistive
RELAY4-COM
24 V 1 A DC Resistive
RELAY4-NO
24 V 1 A DC Resistive
No user connection
4-20mA#2M
Analogue 2 -
Reference/Pass
through (Floating
ground)
Configurable Wiring Diagram
Yes
Yes
No
Yes
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