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If you cannot use a single-point ground, use a common-point ground.
AS RTU-EC16A P1TA
The common-point ground is permitted.
Do not connect equipment ground wires together as shown below.
AS RTU-EC16A P1TA
The e quipment can n ot be g ro unded in this way .
4.4
Input and Output Wiring
4.4.1 External Input Wiring
The input points X0.0~X0.7 of ASRTU-EC16AP1TA are direct current inputs with two types of wiring: Sinking
and Sourcing. See the two types of wiring below.
Sinking
Under Sinking mode, the current flows into the common terminal S/S and the simplified model is shown
below.
Sinking
2 4V D C
5mA
See the relevant wiring circuit in the following figure.
A noth er p ie ce
o f equipme nt
An oth er pie ce
o f equipme nt
S /S
I N0
Chapter 4 Installing and Wiring
ASRTU EC16 AP1 TA
-
Inte r na l Ci rc ui t
4_
4-5
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