2
2
M
M
N
N
S
S
i
i
S
S
S
S
y
y
s
s
t
t
e
e
m
m
S
S
e
e
t
t
u
u
p
p
X31 – 7DI 230 V AC
Figure 32 Connection diagram X31 – DI/DO
Technical Data
Digital Inputs (230 V AC)
Number of digital inputs
7 (DI1…DI7)
Supply for digital inputs
110 - 230 V AC or DC
Isolation Yes
Input signal bounce suppression
Typ. 10 ms
Level class (incl. ripple)
AC 230 V
AC 110 V
DC 230 V
DC 110 V
(signal 0: 40 V; signal 1: 159 V)
(signal 0: 20 V; signal 1: 74 V)
(signal 0: 46 V; signal 1: 175 V)
(signal 0: 22 V; signal 1: 79 V)
Input current per channel
(230 V AC) typ. 3.0 mA
Input resistor to 0 V
79 k
Ω
Cable length unshielded/shielded
max. 300 m / max. 500 m
3
3
2
2
ABB MNS
i
S System Setup & Operation Quick Guide / System Release 6.0 – Rev.2 / Aug. 2011