Delta AS218TX-A User Manual

4.8.2.2 Relay Output Circuit
Relay terminals have no polarity. They can be used with alternating current that passes through a load, or with
direct current that passes through a load. The maximum current that can pass through every relay terminal is 2
A, and refer to each product specification for the maximum current that can pass through every common
terminal. Life cycle curve: The lifetime of a relay terminal varies with the working voltage, the load type (the
power factor cosψ, the time constant t(L/R)), and the current passing through the terminal. The relation is
shown in the life cycle curve below.
Contact Current(A)
20
0.5
0.1
0.2
30
50
0.3 0.7
1 2
200
300
500
100
1000
2000
3000
Operation(X10 )
3
120VAC Resistive
30VDC Inductive(t=7ms)
240VAC Inductive(cos 0.4)
ψ =
120VAC Inductive(cos =0.4) ψ
30VDC
Inductive
(t=40ms)
 Relay output circuit
①
Direct-current power supply
②
Emergency stop using an external switch.
③
Fuse: to protect the output circuit, a fuse having a breaking capacity between 5 A to 10 A is connected
to the common terminal.
④
Alternating-current power supply
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Send Quote Requests to info@automatedpt.com
Call +1(800)985-6929 To Order or Order Online At Deltaacdrives.com

Delta AS218TX-A Specifications

General

Brand	Delta
Model	AS218TX-A
Category	Control Unit
Language	English