Azbil AVP301 User Manual

2-10
2.2.3 Handling of double-acting reversing relay
A reversing relay is used when a double-acting actuator is used.
■ What is a reversing relay?
The pressure (POUT2) of the reversing relay’s output air (OUT2) is expressed in the fol-
lowing formula.
OUT2 = P
SUP
− OUT1
■ Reversing relay attachment
Detach the dustproof plug on the air piping connection.
Using sealing tape, connect the joint of the reversing relay to the output air port.
Figure 2-8. Reversing Relay Connection
■ Reversing relay air connection
“Air Connection” is stamped on the lower section of the reversing relay.
Figure 2-9. Reversing Relay Standalone View

Azbil AVP301 Specifications

General

Brand	Azbil
Model	AVP301
Category	Valve Positioners
Language	English