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SME AC-M1 - Digital Inputs

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ACM1_TAU_UserManual_En
Page 21 of 35
SME s.p.a. Via della Tecnica 40 Z.I.
36071 ARZIGNANO (VI) ITALY
Phone +39 0444 470511 - Fax +39 0444 451803
info@grupposme.com - www.grupposme.com
3.5.1 Digital Inputs
Digital Inputs on Controller
Pin
Meaning
Pin
Meaning
K1 - 2
Digital Input 1
K2 - 2
Digital Input 9
K1 - 3
Digital Input 2
K2 - 3
Digital Input 10
K1 - 4
Digital Input 3
K2 - 6
Digital Input 11
K1 - 5
Digital Input 4
K2 - 7
Digital Input 12
K1 - 6
Digital Input 5
K2 - 8
Digital Input 13
K1 - 7
Digital Input 6
K2 - 14
Digital Input 14
K1 - 12
Digital Input 7
K2 - 15
Digital Input 15
K1 - 13
Digital Input 8
K2 - 16
Digital Input 16
K1 - 18
I/O Ground
K2 - 17
Digital Input 17
K2 - 18
Digital Input 18
K2 - 23
Digital Input 19
Wiring
All Digital Inputs are 4mA pull-up except K2-2 and K2-3 which are 20mA pull-up.
All of them have V
L
≤ 1V and V
H
3,5V.
Figure 10 - Negative Logic for Digital Input

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